| 1 | /* |
| 2 | |
| 3 | Derby - Class org.apache.derby.client.net.NetStatementReply |
| 4 | |
| 5 | Copyright (c) 2001, 2005 The Apache Software Foundation or its licensors, where applicable. |
| 6 | |
| 7 | Licensed under the Apache License, Version 2.0 (the "License"); |
| 8 | you may not use this file except in compliance with the License. |
| 9 | You may obtain a copy of the License at |
| 10 | |
| 11 | http://www.apache.org/licenses/LICENSE-2.0 |
| 12 | |
| 13 | Unless required by applicable law or agreed to in writing, software |
| 14 | distributed under the License is distributed on an "AS IS" BASIS, |
| 15 | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 16 | See the License for the specific language governing permissions and |
| 17 | limitations under the License. |
| 18 | |
| 19 | */ |
| 20 | |
| 21 | package org.apache.derby.client.net; |
| 22 | |
| 23 | import org.apache.derby.client.am.ColumnMetaData; |
| 24 | import org.apache.derby.client.am.DisconnectException; |
| 25 | import org.apache.derby.client.am.PreparedStatementCallbackInterface; |
| 26 | import org.apache.derby.client.am.ResultSetCallbackInterface; |
| 27 | import org.apache.derby.client.am.Section; |
| 28 | import org.apache.derby.client.am.SqlState; |
| 29 | import org.apache.derby.client.am.SqlException; |
| 30 | import org.apache.derby.client.am.Statement; |
| 31 | import org.apache.derby.client.am.StatementCallbackInterface; |
| 32 | import org.apache.derby.client.am.Types; |
| 33 | import org.apache.derby.client.am.Utils; |
| 34 | import org.apache.derby.jdbc.ClientDriver; |
| 35 | import org.apache.derby.client.am.ClientJDBCObjectFactory; |
| 36 | import org.apache.derby.shared.common.i18n.MessageUtil; |
| 37 | import org.apache.derby.shared.common.reference.JDBC30Translation; |
| 38 | import org.apache.derby.client.am.ClientMessageId; |
| 39 | import org.apache.derby.shared.common.reference.SQLState; |
| 40 | import org.apache.derby.shared.common.reference.MessageId; |
| 41 | |
| 42 | public class NetStatementReply extends NetPackageReply implements StatementReplyInterface { |
| 43 | NetStatementReply(NetAgent netAgent, int bufferSize) { |
| 44 | super(netAgent, bufferSize); |
| 45 | } |
| 46 | |
| 47 | //----------------------------- entry points --------------------------------- |
| 48 | |
| 49 | public void readPrepareDescribeOutput(StatementCallbackInterface statement) throws DisconnectException { |
| 50 | startSameIdChainParse(); |
| 51 | parsePRPSQLSTTreply(statement); |
| 52 | endOfSameIdChainData(); |
| 53 | } |
| 54 | |
| 55 | public void readExecuteImmediate(StatementCallbackInterface statement) throws DisconnectException { |
| 56 | startSameIdChainParse(); |
| 57 | parseEXCSQLIMMreply(statement); |
| 58 | endOfSameIdChainData(); |
| 59 | } |
| 60 | |
| 61 | public void readOpenQuery(StatementCallbackInterface statement) throws DisconnectException { |
| 62 | startSameIdChainParse(); |
| 63 | parseOPNQRYreply(statement); |
| 64 | endOfSameIdChainData(); |
| 65 | } |
| 66 | |
| 67 | public void readExecute(PreparedStatementCallbackInterface preparedStatement) throws DisconnectException { |
| 68 | startSameIdChainParse(); |
| 69 | parseEXCSQLSTTreply(preparedStatement); |
| 70 | endOfSameIdChainData(); |
| 71 | } |
| 72 | |
| 73 | public void readPrepare(StatementCallbackInterface statement) throws DisconnectException { |
| 74 | startSameIdChainParse(); |
| 75 | parsePRPSQLSTTreply(statement); |
| 76 | endOfSameIdChainData(); |
| 77 | } |
| 78 | |
| 79 | public void readDescribeInput(PreparedStatementCallbackInterface preparedStatement) throws DisconnectException { |
| 80 | if (longBufferForDecryption_ != null) { |
| 81 | buffer_ = longBufferForDecryption_; |
| 82 | pos_ = longPosForDecryption_; |
| 83 | count_ = longCountForDecryption_; |
| 84 | if (longBufferForDecryption_ != null && count_ > longBufferForDecryption_.length) { |
| 85 | count_ = longBufferForDecryption_.length; |
| 86 | } |
| 87 | dssLength_ = 0; |
| 88 | longBufferForDecryption_ = null; |
| 89 | } |
| 90 | |
| 91 | startSameIdChainParse(); |
| 92 | parseDSCSQLSTTreply(preparedStatement, 1); // anything other than 0 for input |
| 93 | endOfSameIdChainData(); |
| 94 | } |
| 95 | |
| 96 | public void readDescribeOutput(PreparedStatementCallbackInterface preparedStatement) throws DisconnectException { |
| 97 | startSameIdChainParse(); |
| 98 | parseDSCSQLSTTreply(preparedStatement, 0); // 0 for output |
| 99 | endOfSameIdChainData(); |
| 100 | } |
| 101 | |
| 102 | public void readExecuteCall(StatementCallbackInterface statement) throws DisconnectException { |
| 103 | startSameIdChainParse(); |
| 104 | parseEXCSQLSTTreply(statement); |
| 105 | endOfSameIdChainData(); |
| 106 | } |
| 107 | |
| 108 | |
| 109 | //----------------------helper methods---------------------------------------- |
| 110 | |
| 111 | //------------------parse reply for specific command-------------------------- |
| 112 | |
| 113 | // These methods are "private protected", which is not a recognized java privilege, |
| 114 | // but means that these methods are private to this class and to subclasses, |
| 115 | // and should not be used as package-wide friendly methods. |
| 116 | |
| 117 | private void parsePRPSQLSTTreply(StatementCallbackInterface statement) throws DisconnectException { |
| 118 | int peekCP = parseTypdefsOrMgrlvlovrs(); |
| 119 | |
| 120 | if (peekCP == CodePoint.SQLDARD) { |
| 121 | // the sqlcagrp is most likely null for insert/update/deletes. if it is null, then we can |
| 122 | // peek ahead for the column number which most likely will be 0. if it is 0, then we will |
| 123 | // not new up a ColumnMetaData, and we can skip the rest of the bytes in sqldard. |
| 124 | // if sqlcargrp is not null, (most likely for select's) then we will not peek ahead for the |
| 125 | // column number since it will never be 0 in a select case. |
| 126 | ColumnMetaData columnMetaData = null; |
| 127 | NetSqlca netSqlca = null; |
| 128 | boolean nullSqlca = peekForNullSqlcagrp(); |
| 129 | if (nullSqlca && peekNumOfColumns() == 0) { |
| 130 | netSqlca = parseSQLDARD(columnMetaData, true); // true means to skip the rest of SQLDARD bytes |
| 131 | } else { |
| 132 | columnMetaData = ClientDriver.getFactory().newColumnMetaData(netAgent_.logWriter_); |
| 133 | netSqlca = parseSQLDARD(columnMetaData, false); // false means do not skip SQLDARD bytes. |
| 134 | } |
| 135 | |
| 136 | statement.completePrepareDescribeOutput(columnMetaData, |
| 137 | netSqlca); |
| 138 | } else if (peekCP == CodePoint.SQLCARD) { |
| 139 | NetSqlca netSqlca = parseSQLCARD(null); |
| 140 | statement.completePrepare(netSqlca); |
| 141 | } else { |
| 142 | parsePrepareError(statement); |
| 143 | } |
| 144 | |
| 145 | } |
| 146 | |
| 147 | // Parse the reply for the Describe SQL Statement Command. |
| 148 | // This method handles the parsing of all command replies and reply data |
| 149 | // for the dscsqlstt command. |
| 150 | private void parseDSCSQLSTTreply(PreparedStatementCallbackInterface ps, |
| 151 | int metaDataType) // 0 is output, else input |
| 152 | throws DisconnectException { |
| 153 | int peekCP = parseTypdefsOrMgrlvlovrs(); |
| 154 | |
| 155 | if (peekCP == CodePoint.SQLDARD) { |
| 156 | ColumnMetaData columnMetaData = null; |
| 157 | |
| 158 | if (columnMetaData == null) { |
| 159 | columnMetaData = ClientDriver.getFactory().newColumnMetaData(netAgent_.logWriter_); |
| 160 | } |
| 161 | |
| 162 | NetSqlca netSqlca = parseSQLDARD(columnMetaData, false); // false means do not skip SQLDARD bytes |
| 163 | if (columnMetaData.columns_ == 0) { |
| 164 | columnMetaData = null; |
| 165 | } |
| 166 | |
| 167 | if (metaDataType == 0) // DESCRIBE OUTPUT |
| 168 | { |
| 169 | ps.completeDescribeOutput(columnMetaData, netSqlca); |
| 170 | } else { |
| 171 | ps.completeDescribeInput(columnMetaData, netSqlca); |
| 172 | } |
| 173 | } else if (peekCP == CodePoint.SQLCARD) { |
| 174 | NetSqlca netSqlca = parseSQLCARD(null); |
| 175 | if (metaDataType == 0) // DESCRIBE OUTPUT |
| 176 | { |
| 177 | ps.completeDescribeOutput(null, netSqlca); |
| 178 | } else { |
| 179 | ps.completeDescribeInput(null, netSqlca); |
| 180 | } |
| 181 | } else { |
| 182 | parseDescribeError(ps); |
| 183 | } |
| 184 | |
| 185 | } |
| 186 | |
| 187 | // Parse the reply for the Execute Immediate SQL Statement Command. |
| 188 | // This method handles the parsing of all command replies and reply data |
| 189 | // for the excsqlimm command. |
| 190 | private void parseEXCSQLIMMreply(StatementCallbackInterface statement) throws DisconnectException { |
| 191 | int peekCP = parseTypdefsOrMgrlvlovrs(); |
| 192 | |
| 193 | if (peekCP == CodePoint.RDBUPDRM) { |
| 194 | parseRDBUPDRM(); |
| 195 | peekCP = parseTypdefsOrMgrlvlovrs(); |
| 196 | } |
| 197 | |
| 198 | switch (peekCP) { |
| 199 | case CodePoint.ENDUOWRM: |
| 200 | parseENDUOWRM(statement.getConnectionCallbackInterface()); |
| 201 | parseTypdefsOrMgrlvlovrs(); |
| 202 | case CodePoint.SQLCARD: |
| 203 | NetSqlca netSqlca = parseSQLCARD(null); |
| 204 | |
| 205 | |
| 206 | statement.completeExecuteImmediate(netSqlca); |
| 207 | break; |
| 208 | default: |
| 209 | parseExecuteImmediateError(statement); |
| 210 | break; |
| 211 | } |
| 212 | |
| 213 | } |
| 214 | |
| 215 | // Parse the reply for the Open Query Command. |
| 216 | // This method handles the parsing of all command replies and reply data for the opnqry command. |
| 217 | // will be replaced by parseOPNQRYreply (see parseOPNQRYreplyProto) |
| 218 | private void parseOPNQRYreply(StatementCallbackInterface statementI) throws DisconnectException { |
| 219 | int peekCP = peekCodePoint(); |
| 220 | |
| 221 | if (peekCP == CodePoint.OPNQRYRM) { |
| 222 | parseOpenQuery(statementI); |
| 223 | peekCP = peekCodePoint(); |
| 224 | if (peekCP == CodePoint.RDBUPDRM) { |
| 225 | parseRDBUPDRM(); |
| 226 | peekCP = peekCodePoint(); |
| 227 | } |
| 228 | } else if (peekCP == CodePoint.RDBUPDRM) { |
| 229 | parseRDBUPDRM(); |
| 230 | parseOpenQuery(statementI); |
| 231 | peekCP = peekCodePoint(); |
| 232 | } else if (peekCP == CodePoint.OPNQFLRM) { |
| 233 | parseOpenQueryFailure(statementI); |
| 234 | peekCP = peekCodePoint(); |
| 235 | } else { |
| 236 | parseOpenQueryError(statementI); |
| 237 | peekCP = peekCodePoint(); |
| 238 | } |
| 239 | |
| 240 | } |
| 241 | |
| 242 | // Called by NETSetClientPiggybackCommand.read() |
| 243 | private void parseEXCSQLSETreply(StatementCallbackInterface statement) throws DisconnectException { |
| 244 | int peekCP = parseTypdefsOrMgrlvlovrs(); |
| 245 | |
| 246 | if (peekCP == CodePoint.RDBUPDRM) { |
| 247 | parseRDBUPDRM(); |
| 248 | parseTypdefsOrMgrlvlovrs(); |
| 249 | } else if (peekCP == CodePoint.ENDUOWRM) { |
| 250 | parseENDUOWRM(statement.getConnectionCallbackInterface()); |
| 251 | parseTypdefsOrMgrlvlovrs(); |
| 252 | } |
| 253 | |
| 254 | if (peekCP == CodePoint.SQLCARD) { |
| 255 | NetSqlca netSqlca = parseSQLCARD(null); |
| 256 | statement.completeExecuteSetStatement(netSqlca); |
| 257 | } else { |
| 258 | parseExecuteSetStatementError(statement); |
| 259 | } |
| 260 | |
| 261 | } |
| 262 | |
| 263 | // Parse the reply for the Execute SQL Statement Command. |
| 264 | // This method handles the parsing of all command replies and reply data |
| 265 | // for the excsqlstt command. |
| 266 | // Also called by CallableStatement.readExecuteCall() |
| 267 | private void parseEXCSQLSTTreply(StatementCallbackInterface statementI) throws DisconnectException { |
| 268 | // first handle the transaction component, which consists of one or more |
| 269 | // reply messages indicating the transaction state. |
| 270 | // These are ENDUOWRM, CMMRQSRM, or RDBUPDRM. If RDBUPDRM is returned, |
| 271 | // it may be followed by ENDUOWRM or CMMRQSRM |
| 272 | int peekCP = peekCodePoint(); |
| 273 | if (peekCP == CodePoint.RDBUPDRM) { |
| 274 | parseRDBUPDRM(); |
| 275 | peekCP = peekCodePoint(); |
| 276 | } |
| 277 | |
| 278 | if (peekCP == CodePoint.ENDUOWRM) { |
| 279 | parseENDUOWRM(statementI.getConnectionCallbackInterface()); |
| 280 | peekCP = peekCodePoint(); |
| 281 | } |
| 282 | |
| 283 | // Check for a RSLSETRM, this is first rm of the result set summary component |
| 284 | // which would be returned if a stored procedure was called which returned result sets. |
| 285 | if (peekCP == CodePoint.RSLSETRM) { |
| 286 | parseResultSetProcedure(statementI); |
| 287 | peekCP = peekCodePoint(); |
| 288 | if (peekCP == CodePoint.RDBUPDRM) { |
| 289 | parseRDBUPDRM(); |
| 290 | } |
| 291 | return; |
| 292 | } |
| 293 | |
| 294 | // check for a possible TYPDEFNAM or TYPDEFOVR which may be present |
| 295 | // before the SQLCARD or SQLDTARD. |
| 296 | peekCP = parseTypdefsOrMgrlvlovrs(); |
| 297 | |
| 298 | // an SQLCARD may be retunred if there was no output data, result sets or parameters, |
| 299 | // or in the case of an error. |
| 300 | if (peekCP == CodePoint.SQLCARD) { |
| 301 | NetSqlca netSqlca = parseSQLCARD(null); |
| 302 | |
| 303 | statementI.completeExecute(netSqlca); |
| 304 | } else if (peekCP == CodePoint.SQLDTARD) { |
| 305 | // in the case of singleton select or if a stored procedure was called which had |
| 306 | // parameters but no result sets, an SQLSTARD may be returned |
| 307 | // keep the PreparedStatementCallbackInterface, since only preparedstatement and callablestatement |
| 308 | // has parameters or singleton select which translates to sqldtard. |
| 309 | NetSqldta netSqldta = null; |
| 310 | boolean useCachedSingletonRowData = false; |
| 311 | if (((Statement) statementI).cachedSingletonRowData_ == null) { |
| 312 | netSqldta = new NetSqldta(netAgent_); |
| 313 | } else { |
| 314 | netSqldta = (NetSqldta) ((Statement) statementI).cachedSingletonRowData_; |
| 315 | netSqldta.resetDataBuffer(); |
| 316 | netSqldta.extdtaData_.clear(); |
| 317 | useCachedSingletonRowData = true; |
| 318 | } |
| 319 | NetSqlca netSqlca = |
| 320 | parseSQLDTARD(netSqldta); |
| 321 | |
| 322 | // there may be externalized LOB data which also gets returned. |
| 323 | peekCP = peekCodePoint(); |
| 324 | while (peekCP == CodePoint.EXTDTA) { |
| 325 | copyEXTDTA(netSqldta); |
| 326 | peekCP = peekCodePoint(); |
| 327 | } |
| 328 | statementI.completeExecuteCall(netSqlca, netSqldta); |
| 329 | } else { |
| 330 | // if here, then assume an error reply message was returned. |
| 331 | parseExecuteError(statementI); |
| 332 | } |
| 333 | |
| 334 | } |
| 335 | |
| 336 | protected void parseResultSetProcedure(StatementCallbackInterface statementI) throws DisconnectException { |
| 337 | // when a stored procedure is called which returns result sets, |
| 338 | // the next thing to be returned after the optional transaction component |
| 339 | // is the summary component. |
| 340 | // |
| 341 | // Parse the Result Set Summary Component which consists of a |
| 342 | // Result Set Reply Message, SQLCARD or SQLDTARD, and an SQL Result Set |
| 343 | // Reply data object. Also check for possible TYPDEF overrides before the |
| 344 | // OBJDSSs. |
| 345 | // This method returns an ArrayList of generated sections which contain the |
| 346 | // package and section information for the result sets which were opened on the |
| 347 | // server. |
| 348 | |
| 349 | // the result set summary component consists of a result set reply message. |
| 350 | java.util.ArrayList sectionAL = parseRSLSETRM(); |
| 351 | |
| 352 | // following the RSLSETRM is an SQLCARD or an SQLDTARD. check for a |
| 353 | // TYPDEFNAM or TYPDEFOVR before looking for these objects. |
| 354 | int peekCP = parseTypdefsOrMgrlvlovrs(); |
| 355 | |
| 356 | // The SQLCARD and the SQLDTARD are mutually exclusive. |
| 357 | // The SQLDTARD is returned if the stored procedure had parameters. |
| 358 | // (Note: the SQLDTARD contains an sqlca also. this is the sqlca for the |
| 359 | // stored procedure call. |
| 360 | NetSqldta netSqldta = null; |
| 361 | NetSqlca netSqlca = null; |
| 362 | if (peekCP == CodePoint.SQLCARD) { |
| 363 | netSqlca = parseSQLCARD(null); |
| 364 | } else { |
| 365 | // keep the PreparedStatementCallbackInterface, since only preparedstatement and callablestatement |
| 366 | // has parameters or singleton select which translates to sqldtard. |
| 367 | netSqldta = new NetSqldta(netAgent_); |
| 368 | netSqlca = parseSQLDTARD(netSqldta); |
| 369 | } |
| 370 | |
| 371 | // check for a possible TYPDEFNAM or TYPDEFOVR |
| 372 | // before the SQL Result Set Reply Data object |
| 373 | peekCP = parseTypdefsOrMgrlvlovrs(); |
| 374 | |
| 375 | int numberOfResultSets = parseSQLRSLRD(sectionAL); |
| 376 | |
| 377 | // The result set summary component parsed above indicated how many result sets were opened |
| 378 | // by the stored pocedure call. It contained section information for |
| 379 | // each of these result sets. Loop through the section array and |
| 380 | // parse the result set component for each of the retunred result sets. |
| 381 | NetResultSet[] resultSets = new NetResultSet[numberOfResultSets]; |
| 382 | for (int i = 0; i < numberOfResultSets; i++) { |
| 383 | // parse the result set component of the stored procedure reply. |
| 384 | NetResultSet netResultSet = parseResultSetCursor(statementI, (Section) sectionAL.get(i)); |
| 385 | resultSets[i] = netResultSet; |
| 386 | } |
| 387 | |
| 388 | // LOBs may have been returned for one of the stored procedure parameters so |
| 389 | // check for any externalized data. |
| 390 | peekCP = peekCodePoint(); |
| 391 | while (peekCP == CodePoint.EXTDTA) { |
| 392 | copyEXTDTA(netSqldta); |
| 393 | peekCP = peekCodePoint(); |
| 394 | } |
| 395 | statementI.completeExecuteCall(netSqlca, netSqldta, resultSets); |
| 396 | } |
| 397 | |
| 398 | // Parse the Result Set component of the reply for a stored procedure |
| 399 | // call which returns result sets. |
| 400 | // The Result Set component consists of an Open Query Reply Message |
| 401 | // followed by an optional SQLCARD, followed by an optional |
| 402 | // SQL Column Information Reply data object, followed by a Query Descriptor. |
| 403 | // There may also be Query Data or an End of Query Reply Message. |
| 404 | protected NetResultSet parseResultSetCursor(StatementCallbackInterface statementI, |
| 405 | Section section) throws DisconnectException { |
| 406 | // The first item returne is an OPNQRYRM. |
| 407 | NetResultSet netResultSet = parseOPNQRYRM(statementI, false); |
| 408 | |
| 409 | // The next to be returned is an OBJDSS so check for any TYPDEF overrides. |
| 410 | int peekCP = parseTypdefsOrMgrlvlovrs(); |
| 411 | |
| 412 | // An SQLCARD may be returned if there were any warnings on the OPEN. |
| 413 | NetSqlca netSqlca = null; |
| 414 | if (peekCP == CodePoint.SQLCARD) { |
| 415 | netSqlca = parseSQLCARD(null); |
| 416 | peekCP = parseTypdefsOrMgrlvlovrs(); |
| 417 | } |
| 418 | |
| 419 | // the SQLCINRD contains SQLDA like information for the result set. |
| 420 | ColumnMetaData resultSetMetaData = null; |
| 421 | if (peekCP == CodePoint.SQLCINRD) { |
| 422 | resultSetMetaData = parseSQLCINRD(); |
| 423 | peekCP = parseTypdefsOrMgrlvlovrs(); |
| 424 | } |
| 425 | |
| 426 | // A Query Descriptor must be present. |
| 427 | // We cannot cache the cursor if result set is returned from a stored procedure, so |
| 428 | // there is no cached cursor to use here. |
| 429 | parseQRYDSC(netResultSet.netCursor_); |
| 430 | peekCP = peekCodePoint(); |
| 431 | statementI.completeExecuteCallOpenQuery(netSqlca, netResultSet, resultSetMetaData, section); |
| 432 | |
| 433 | // Depending on the blocking rules, QRYDTA may have been returned on the open. |
| 434 | while (peekCP == CodePoint.QRYDTA) { |
| 435 | parseQRYDTA(netResultSet); |
| 436 | peekCP = peekCodePoint(); |
| 437 | } |
| 438 | |
| 439 | // Under some circumstances, the server may have closed the cursor. |
| 440 | // This will be indicated by an ENDQRYRM. |
| 441 | if (peekCP == CodePoint.ENDQRYRM) { |
| 442 | parseEndQuery((ResultSetCallbackInterface) netResultSet); |
| 443 | } |
| 444 | |
| 445 | return netResultSet; |
| 446 | } |
| 447 | |
| 448 | protected void parseOpenQuery(StatementCallbackInterface statementI) throws DisconnectException { |
| 449 | NetResultSet netResultSet = parseOPNQRYRM(statementI, true); |
| 450 | |
| 451 | NetSqlca sqlca = null; |
| 452 | int peekCP = peekCodePoint(); |
| 453 | if (peekCP != CodePoint.QRYDSC) { |
| 454 | |
| 455 | peekCP = parseTypdefsOrMgrlvlovrs(); |
| 456 | |
| 457 | if (peekCP == CodePoint.SQLDARD) { |
| 458 | ColumnMetaData columnMetaData = ClientDriver.getFactory().newColumnMetaData(netAgent_.logWriter_); |
| 459 | NetSqlca netSqlca = parseSQLDARD(columnMetaData, false); // false means do not skip SQLDARD bytes |
| 460 | |
| 461 | //For java stored procedure, we got the resultSetMetaData from server, |
| 462 | //Do we need to save the resultSetMetaData and propagate netSqlca? |
| 463 | //The following statement are doing the both, but it do more than |
| 464 | //we want. It also mark the completion of Prepare statement. |
| 465 | // |
| 466 | // this will override the same call made from parsePrepareDescribe |
| 467 | // this will not work, this is not the DA for the stored proc params |
| 468 | statementI.completePrepareDescribeOutput(columnMetaData, netSqlca); |
| 469 | peekCP = parseTypdefsOrMgrlvlovrs(); |
| 470 | } |
| 471 | // check if the DARD is mutually exclusive with CARD, if so, then the following if should be an elese |
| 472 | |
| 473 | if (peekCP == CodePoint.SQLCARD) { |
| 474 | sqlca = parseSQLCARD(null); |
| 475 | peekCP = parseTypdefsOrMgrlvlovrs(); |
| 476 | } |
| 477 | } |
| 478 | parseQRYDSC(netResultSet.netCursor_); |
| 479 | |
| 480 | peekCP = peekCodePoint(); |
| 481 | while (peekCP == CodePoint.QRYDTA) { |
| 482 | parseQRYDTA(netResultSet); |
| 483 | peekCP = peekCodePoint(); |
| 484 | } |
| 485 | |
| 486 | if (peekCP == CodePoint.SQLCARD) { |
| 487 | NetSqlca netSqlca = parseSQLCARD(null); |
| 488 | statementI.completeSqlca(netSqlca); |
| 489 | peekCP = peekCodePoint(); |
| 490 | } |
| 491 | |
| 492 | if (peekCP == CodePoint.ENDQRYRM) { |
| 493 | parseEndQuery(netResultSet); |
| 494 | } |
| 495 | |
| 496 | statementI.completeOpenQuery(sqlca, netResultSet); |
| 497 | } |
| 498 | |
| 499 | protected void parseEndQuery(ResultSetCallbackInterface resultSetI) throws DisconnectException { |
| 500 | parseENDQRYRM(resultSetI); |
| 501 | parseTypdefsOrMgrlvlovrs(); |
| 502 | NetSqlca netSqlca = parseSQLCARD(null); |
| 503 | resultSetI.earlyCloseComplete(netSqlca); |
| 504 | } |
| 505 | |
| 506 | void parseOpenQueryFailure(StatementCallbackInterface statementI) throws DisconnectException { |
| 507 | parseOPNQFLRM(statementI); |
| 508 | parseTypdefsOrMgrlvlovrs(); |
| 509 | NetSqlca netSqlca = parseSQLCARD(null); |
| 510 | statementI.completeOpenQuery(netSqlca, null); |
| 511 | } |
| 512 | |
| 513 | void parsePrepareError(StatementCallbackInterface statement) throws DisconnectException { |
| 514 | int peekCP = peekCodePoint(); |
| 515 | switch (peekCP) { |
| 516 | case CodePoint.ABNUOWRM: |
| 517 | { |
| 518 | NetSqlca sqlca = parseAbnormalEndUow(statement.getConnectionCallbackInterface()); |
| 519 | statement.completeSqlca(sqlca); |
| 520 | break; |
| 521 | } |
| 522 | case CodePoint.CMDCHKRM: |
| 523 | parseCMDCHKRM(); |
| 524 | break; |
| 525 | case CodePoint.DTAMCHRM: |
| 526 | parseDTAMCHRM(); |
| 527 | break; |
| 528 | case CodePoint.OBJNSPRM: |
| 529 | parseOBJNSPRM(); |
| 530 | break; |
| 531 | case CodePoint.RDBNACRM: |
| 532 | parseRDBNACRM(); |
| 533 | break; |
| 534 | case CodePoint.SQLERRRM: |
| 535 | { |
| 536 | NetSqlca sqlca = parseSqlErrorCondition(); |
| 537 | statement.completeSqlca(sqlca); |
| 538 | break; |
| 539 | } |
| 540 | default: |
| 541 | parseCommonError(peekCP); |
| 542 | } |
| 543 | } |
| 544 | |
| 545 | void parseExecuteImmediateError(StatementCallbackInterface statement) throws DisconnectException { |
| 546 | int peekCP = peekCodePoint(); |
| 547 | switch (peekCP) { |
| 548 | case CodePoint.ABNUOWRM: |
| 549 | { |
| 550 | NetSqlca sqlca = parseAbnormalEndUow(statement.getConnectionCallbackInterface()); |
| 551 | statement.completeSqlca(sqlca); |
| 552 | break; |
| 553 | } |
| 554 | case CodePoint.CMDCHKRM: |
| 555 | parseCMDCHKRM(); |
| 556 | break; |
| 557 | case CodePoint.DTAMCHRM: |
| 558 | parseDTAMCHRM(); |
| 559 | break; |
| 560 | case CodePoint.OBJNSPRM: |
| 561 | parseOBJNSPRM(); |
| 562 | break; |
| 563 | case CodePoint.RDBNACRM: |
| 564 | parseRDBNACRM(); |
| 565 | break; |
| 566 | case CodePoint.SQLERRRM: |
| 567 | { |
| 568 | NetSqlca sqlca = parseSqlErrorCondition(); |
| 569 | statement.completeSqlca(sqlca); |
| 570 | break; |
| 571 | } |
| 572 | default: |
| 573 | parseCommonError(peekCP); |
| 574 | break; |
| 575 | } |
| 576 | } |
| 577 | |
| 578 | |
| 579 | void parseDescribeError(StatementCallbackInterface statement) throws DisconnectException { |
| 580 | int peekCP = peekCodePoint(); |
| 581 | switch (peekCP) { |
| 582 | case CodePoint.ABNUOWRM: |
| 583 | { |
| 584 | NetSqlca sqlca = parseAbnormalEndUow(statement.getConnectionCallbackInterface()); |
| 585 | statement.completeSqlca(sqlca); |
| 586 | break; |
| 587 | } |
| 588 | case CodePoint.CMDCHKRM: |
| 589 | parseCMDCHKRM(); |
| 590 | break; |
| 591 | case CodePoint.RDBNACRM: |
| 592 | parseRDBNACRM(); |
| 593 | break; |
| 594 | case CodePoint.SQLERRRM: |
| 595 | { |
| 596 | NetSqlca sqlca = parseSqlErrorCondition(); |
| 597 | statement.completeSqlca(sqlca); |
| 598 | break; |
| 599 | } |
| 600 | default: |
| 601 | parseCommonError(peekCP); |
| 602 | } |
| 603 | } |
| 604 | |
| 605 | |
| 606 | void parseOpenQueryError(StatementCallbackInterface statementI) throws DisconnectException { |
| 607 | int peekCP = peekCodePoint(); |
| 608 | switch (peekCP) { |
| 609 | case CodePoint.ABNUOWRM: |
| 610 | { |
| 611 | NetSqlca sqlca = parseAbnormalEndUow(statementI.getConnectionCallbackInterface()); |
| 612 | statementI.completeSqlca(sqlca); |
| 613 | break; |
| 614 | } |
| 615 | case CodePoint.CMDCHKRM: |
| 616 | parseCMDCHKRM(); |
| 617 | break; |
| 618 | case CodePoint.DTAMCHRM: |
| 619 | parseDTAMCHRM(); |
| 620 | break; |
| 621 | case CodePoint.OBJNSPRM: |
| 622 | parseOBJNSPRM(); |
| 623 | break; |
| 624 | case CodePoint.QRYPOPRM: |
| 625 | parseQRYPOPRM(); |
| 626 | break; |
| 627 | case CodePoint.RDBNACRM: |
| 628 | parseRDBNACRM(); |
| 629 | break; |
| 630 | default: |
| 631 | parseCommonError(peekCP); |
| 632 | } |
| 633 | } |
| 634 | |
| 635 | void parseExecuteError(StatementCallbackInterface statementI) throws DisconnectException { |
| 636 | int peekCP = peekCodePoint(); |
| 637 | switch (peekCP) { |
| 638 | case CodePoint.ABNUOWRM: |
| 639 | { |
| 640 | NetSqlca sqlca = parseAbnormalEndUow(statementI.getConnectionCallbackInterface()); |
| 641 | statementI.completeSqlca(sqlca); |
| 642 | break; |
| 643 | } |
| 644 | case CodePoint.CMDCHKRM: |
| 645 | parseCMDCHKRM(); |
| 646 | break; |
| 647 | case CodePoint.DTAMCHRM: |
| 648 | parseDTAMCHRM(); |
| 649 | break; |
| 650 | case CodePoint.OBJNSPRM: |
| 651 | parseOBJNSPRM(); |
| 652 | break; |
| 653 | case CodePoint.RDBNACRM: |
| 654 | parseRDBNACRM(); |
| 655 | break; |
| 656 | case CodePoint.SQLERRRM: |
| 657 | { |
| 658 | NetSqlca sqlca = parseSqlErrorCondition(); |
| 659 | statementI.completeSqlca(sqlca); |
| 660 | break; |
| 661 | } |
| 662 | default: |
| 663 | parseCommonError(peekCP); |
| 664 | break; |
| 665 | } |
| 666 | } |
| 667 | |
| 668 | void parseExecuteSetStatementError(StatementCallbackInterface statement) throws DisconnectException { |
| 669 | int peekCP = peekCodePoint(); |
| 670 | switch (peekCP) { |
| 671 | case CodePoint.ABNUOWRM: |
| 672 | { |
| 673 | NetSqlca sqlca = parseAbnormalEndUow(statement.getConnectionCallbackInterface()); |
| 674 | statement.completeSqlca(sqlca); |
| 675 | break; |
| 676 | } |
| 677 | case CodePoint.CMDCHKRM: |
| 678 | parseCMDCHKRM(); |
| 679 | break; |
| 680 | case CodePoint.DTAMCHRM: |
| 681 | parseDTAMCHRM(); |
| 682 | break; |
| 683 | case CodePoint.OBJNSPRM: |
| 684 | parseOBJNSPRM(); |
| 685 | break; |
| 686 | case CodePoint.RDBNACRM: |
| 687 | parseRDBNACRM(); |
| 688 | break; |
| 689 | case CodePoint.SQLERRRM: |
| 690 | { |
| 691 | NetSqlca sqlca = parseSqlErrorCondition(); |
| 692 | statement.completeSqlca(sqlca); |
| 693 | break; |
| 694 | } |
| 695 | default: |
| 696 | parseCommonError(peekCP); |
| 697 | break; |
| 698 | } |
| 699 | } |
| 700 | |
| 701 | |
| 702 | //-----------------------------parse DDM Reply Messages----------------------- |
| 703 | |
| 704 | /** |
| 705 | * Open Query Complete Reply Message indicates to the requester |
| 706 | * that an OPNQRY or EXCSQLSTT command completed normally and that |
| 707 | * the query process has been initiated. It also indicates the |
| 708 | * type of query protocol and cursor used for the query. |
| 709 | * <p> |
| 710 | * When an EXCSQLSTT contains an SQL statement that invokes a |
| 711 | * stored procedure, and the procedure completes, an OPNQRYRM is |
| 712 | * returned for each answer set. |
| 713 | * |
| 714 | * @param statementI statement callback interface |
| 715 | * @param isOPNQRYreply If true, parse a reply to an OPNQRY |
| 716 | * command. Otherwise, parse a reply to an EXCSQLSTT command. |
| 717 | * @return a <code>NetResultSet</code> value |
| 718 | * @exception DisconnectException |
| 719 | */ |
| 720 | protected NetResultSet parseOPNQRYRM(StatementCallbackInterface statementI, |
| 721 | boolean isOPNQRYreply) |
| 722 | throws DisconnectException |
| 723 | { |
| 724 | // these need to be initialized to the correct default values. |
| 725 | int svrcod = CodePoint.SVRCOD_INFO; |
| 726 | boolean svrcodReceived = false; |
| 727 | int qryprctyp = 0; |
| 728 | boolean qryprctypReceived = false; |
| 729 | int sqlcsrhld = 0xF0; // 0xF0 is false (default), 0xF1 is true. |
| 730 | boolean sqlcsrhldReceived = false; |
| 731 | int qryattscr = 0xF0; // 0xF0 is false (default), 0xF1 is true. |
| 732 | boolean qryattscrReceived = false; |
| 733 | int qryattsns = CodePoint.QRYUNK; |
| 734 | boolean qryattsnsReceived = false; |
| 735 | int qryattupd = CodePoint.QRYUNK; |
| 736 | boolean qryattupdReceived = false; |
| 737 | long qryinsid = 0; |
| 738 | boolean qryinsidReceived = false; |
| 739 | |
| 740 | |
| 741 | int qryattset = 0xF0; // 0xF0 is false (default), 0xF1 is true. |
| 742 | boolean qryattsetReceived = false; |
| 743 | |
| 744 | parseLengthAndMatchCodePoint(CodePoint.OPNQRYRM); |
| 745 | //pushLengthOnCollectionStack(); |
| 746 | int ddmLength = getDdmLength(); |
| 747 | ensureBLayerDataInBuffer(ddmLength); |
| 748 | int peekCP = peekCodePoint(); |
| 749 | int length = 0; |
| 750 | |
| 751 | //while (peekCP != Reply.END_OF_COLLECTION) { |
| 752 | while (ddmLength > 0) { |
| 753 | |
| 754 | boolean foundInPass = false; |
| 755 | |
| 756 | if (peekCP == CodePoint.SVRCOD) { |
| 757 | foundInPass = true; |
| 758 | svrcodReceived = checkAndGetReceivedFlag(svrcodReceived); |
| 759 | length = peekedLength_; |
| 760 | svrcod = parseFastSVRCOD(CodePoint.SVRCOD_INFO, CodePoint.SVRCOD_SESDMG); |
| 761 | ddmLength = adjustDdmLength(ddmLength, length); |
| 762 | peekCP = peekCodePoint(); |
| 763 | } |
| 764 | |
| 765 | if (peekCP == CodePoint.QRYPRCTYP) { |
| 766 | foundInPass = true; |
| 767 | qryprctypReceived = checkAndGetReceivedFlag(qryprctypReceived); |
| 768 | length = peekedLength_; |
| 769 | qryprctyp = parseFastQRYPRCTYP(); |
| 770 | ddmLength = adjustDdmLength(ddmLength, length); |
| 771 | peekCP = peekCodePoint(); |
| 772 | } |
| 773 | |
| 774 | if (peekCP == CodePoint.SQLCSRHLD) { |
| 775 | // Indicates whether the requester specified the HOLD option. |
| 776 | // When specified, the cursor is not closed upon execution of a commit operation. |
| 777 | foundInPass = true; |
| 778 | sqlcsrhldReceived = checkAndGetReceivedFlag(sqlcsrhldReceived); |
| 779 | length = peekedLength_; |
| 780 | sqlcsrhld = parseFastSQLCSRHLD(); |
| 781 | ddmLength = adjustDdmLength(ddmLength, length); |
| 782 | peekCP = peekCodePoint(); |
| 783 | } |
| 784 | |
| 785 | if (peekCP == CodePoint.QRYATTSCR) { |
| 786 | foundInPass = true; |
| 787 | qryattscrReceived = checkAndGetReceivedFlag(qryattscrReceived); |
| 788 | length = peekedLength_; |
| 789 | qryattscr = parseFastQRYATTSCR(); |
| 790 | ddmLength = adjustDdmLength(ddmLength, length); |
| 791 | peekCP = peekCodePoint(); |
| 792 | } |
| 793 | |
| 794 | if (peekCP == CodePoint.QRYATTSNS) { |
| 795 | foundInPass = true; |
| 796 | qryattsnsReceived = checkAndGetReceivedFlag(qryattsnsReceived); |
| 797 | length = peekedLength_; |
| 798 | qryattsns = parseFastQRYATTSNS(); |
| 799 | ddmLength = adjustDdmLength(ddmLength, length); |
| 800 | peekCP = peekCodePoint(); |
| 801 | } |
| 802 | |
| 803 | if (peekCP == CodePoint.QRYATTUPD) { |
| 804 | foundInPass = true; |
| 805 | qryattupdReceived = checkAndGetReceivedFlag(qryattupdReceived); |
| 806 | length = peekedLength_; |
| 807 | qryattupd = parseFastQRYATTUPD(); |
| 808 | ddmLength = adjustDdmLength(ddmLength, length); |
| 809 | peekCP = peekCodePoint(); |
| 810 | } |
| 811 | |
| 812 | if (peekCP == CodePoint.QRYINSID) { |
| 813 | foundInPass = true; |
| 814 | qryinsidReceived = checkAndGetReceivedFlag(qryinsidReceived); |
| 815 | length = peekedLength_; |
| 816 | qryinsid = parseFastQRYINSID(); |
| 817 | ddmLength = adjustDdmLength(ddmLength, length); |
| 818 | peekCP = peekCodePoint(); |
| 819 | } |
| 820 | |
| 821 | if (peekCP == CodePoint.QRYATTSET) { |
| 822 | foundInPass = true; |
| 823 | qryattsetReceived = checkAndGetReceivedFlag(qryattsetReceived); |
| 824 | length = peekedLength_; |
| 825 | qryattset = parseFastQRYATTSET(); |
| 826 | ddmLength = adjustDdmLength(ddmLength, length); |
| 827 | peekCP = peekCodePoint(); |
| 828 | } |
| 829 | |
| 830 | |
| 831 | if (!foundInPass) { |
| 832 | doPrmnsprmSemantics(peekCP); |
| 833 | } |
| 834 | |
| 835 | } |
| 836 | checkRequiredObjects(svrcodReceived, qryprctypReceived, qryinsidReceived); |
| 837 | |
| 838 | netAgent_.setSvrcod(svrcod); |
| 839 | |
| 840 | // hack for now until event methods are used below |
| 841 | Statement statement = (Statement) statementI; |
| 842 | |
| 843 | // if there is a cached Cursor object, then use the cached cursor object. |
| 844 | NetResultSet rs = null; |
| 845 | if (statement.cachedCursor_ != null) { |
| 846 | statement.cachedCursor_.resetDataBuffer(); |
| 847 | ((NetCursor) statement.cachedCursor_).extdtaData_.clear(); |
| 848 | try { |
| 849 | rs = (NetResultSet)ClientDriver.getFactory().newNetResultSet |
| 850 | (netAgent_, |
| 851 | (NetStatement) statement.materialStatement_, |
| 852 | statement.cachedCursor_, |
| 853 | qryprctyp, //protocolType, CodePoint.FIXROWPRC | |
| 854 | // CodePoint.LMTBLKPRC |
| 855 | sqlcsrhld, //holdOption, 0xF0 for false (default) | 0xF1 for true. |
| 856 | qryattscr, //scrollOption, 0xF0 for false (default) | 0xF1 for true. |
| 857 | qryattsns, //sensitivity, CodePoint.QRYUNK | |
| 858 | // CodePoint.QRYINS | |
| 859 | // CodePoint.QRYSNSSTC |
| 860 | qryattset, |
| 861 | qryinsid, //instanceIdentifier, 0 (if not returned, check default) or number |
| 862 | calculateResultSetType(qryattscr, qryattsns, statement.resultSetType_), |
| 863 | calculateResultSetConcurrency(qryattupd, statement.resultSetConcurrency_), |
| 864 | calculateResultSetHoldability(sqlcsrhld)); |
| 865 | } catch(SqlException sqle) { |
| 866 | throw new DisconnectException(netAgent_,sqle); |
| 867 | } |
| 868 | } else { |
| 869 | try { |
| 870 | rs = (NetResultSet)ClientDriver.getFactory().newNetResultSet |
| 871 | (netAgent_, |
| 872 | (NetStatement) statement.materialStatement_, |
| 873 | new NetCursor(netAgent_, qryprctyp), |
| 874 | qryprctyp, //protocolType, CodePoint.FIXROWPRC | |
| 875 | // CodePoint.LMTBLKPRC |
| 876 | sqlcsrhld, //holdOption, 0xF0 for false (default) | 0xF1 for true. |
| 877 | qryattscr, //scrollOption, 0xF0 for false (default) | 0xF1 for true. |
| 878 | qryattsns, //sensitivity, CodePoint.QRYUNK | CodePoint.QRYINS |
| 879 | qryattset, |
| 880 | qryinsid, //instanceIdentifier, 0 (if not returned, check default) or number |
| 881 | calculateResultSetType(qryattscr, qryattsns, statement.resultSetType_), |
| 882 | calculateResultSetConcurrency(qryattupd, statement.resultSetConcurrency_), |
| 883 | calculateResultSetHoldability(sqlcsrhld)); |
| 884 | } catch(SqlException sqle) { |
| 885 | throw new DisconnectException(netAgent_,sqle); |
| 886 | } |
| 887 | |
| 888 | } |
| 889 | |
| 890 | // QRYCLSIMP only applies to OPNQRY, not EXCSQLSTT |
| 891 | final boolean qryclsimp = |
| 892 | isOPNQRYreply && |
| 893 | (rs.resultSetType_ == java.sql.ResultSet.TYPE_FORWARD_ONLY) && |
| 894 | netAgent_.netConnection_.serverSupportsQryclsimp(); |
| 895 | rs.netCursor_.setQryclsimpEnabled(qryclsimp); |
| 896 | |
| 897 | return rs; |
| 898 | } |
| 899 | |
| 900 | |
| 901 | // Also called by NetResultSetReply subclass. |
| 902 | // The End of Query Reply Message indicates that the query process has |
| 903 | // terminated in such a manner that the query or result set is now closed. |
| 904 | // It cannot be resumed with the CNTQRY command or closed with the CLSQRY command. |
| 905 | // The ENDQRYRM is always followed by an SQLCARD. |
| 906 | protected void parseENDQRYRM(ResultSetCallbackInterface resultSetI) throws DisconnectException { |
| 907 | boolean svrcodReceived = false; |
| 908 | int svrcod = CodePoint.SVRCOD_INFO; |
| 909 | boolean rdbnamReceived = false; |
| 910 | String rdbnam = null; |
| 911 | |
| 912 | parseLengthAndMatchCodePoint(CodePoint.ENDQRYRM); |
| 913 | pushLengthOnCollectionStack(); |
| 914 | int peekCP = peekCodePoint(); |
| 915 | |
| 916 | while (peekCP != Reply.END_OF_COLLECTION) { |
| 917 | |
| 918 | boolean foundInPass = false; |
| 919 | |
| 920 | if (peekCP == CodePoint.SVRCOD) { |
| 921 | foundInPass = true; |
| 922 | svrcodReceived = checkAndGetReceivedFlag(svrcodReceived); |
| 923 | svrcod = parseSVRCOD(CodePoint.SVRCOD_WARNING, CodePoint.SVRCOD_ERROR); |
| 924 | peekCP = peekCodePoint(); |
| 925 | } |
| 926 | |
| 927 | if (peekCP == CodePoint.RDBNAM) { |
| 928 | foundInPass = true; |
| 929 | rdbnamReceived = checkAndGetReceivedFlag(rdbnamReceived); |
| 930 | rdbnam = parseRDBNAM(true); |
| 931 | peekCP = peekCodePoint(); |
| 932 | } |
| 933 | if (!foundInPass) { |
| 934 | doPrmnsprmSemantics(peekCP); |
| 935 | } |
| 936 | |
| 937 | } |
| 938 | popCollectionStack(); |
| 939 | checkRequiredObjects(svrcodReceived); |
| 940 | |
| 941 | netAgent_.setSvrcod(svrcod); |
| 942 | |
| 943 | } |
| 944 | |
| 945 | |
| 946 | // Query Previously Opened Reply Message is issued when an |
| 947 | // OPNQRY command is issued for a query that is already open. |
| 948 | // A previous OPNQRY command might have opened the query |
| 949 | // which may not be closed. |
| 950 | // PROTOCOL Architects an SQLSTATE of 58008 or 58009. |
| 951 | // |
| 952 | // Messages |
| 953 | // SQLSTATE : 58009 |
| 954 | // Execution failed due to a distribution protocol error that caused deallocation of the conversation. |
| 955 | // SQLCODE : -30020 |
| 956 | // Execution failed because of a Distributed Protocol |
| 957 | // Error that will affect the successful execution of subsequent |
| 958 | // commands and SQL statements: Reason Code <reason-code>. |
| 959 | // Some possible reason codes include: |
| 960 | // 121C Indicates that the user is not authorized to perform the requested command. |
| 961 | // 1232 The command could not be completed because of a permanent error. |
| 962 | // In most cases, the server will be in the process of an abend. |
| 963 | // 220A The target server has received an invalid data description. |
| 964 | // If a user SQLDA is specified, ensure that the fields are |
| 965 | // initialized correctly. Also, ensure that the length does not |
| 966 | // exceed the maximum allowed length for the data type being used. |
| 967 | // |
| 968 | // The command or statement cannot be processed. The current |
| 969 | // transaction is rolled back and the application is disconnected |
| 970 | // from the remote database. |
| 971 | // |
| 972 | // |
| 973 | // Returned from Server: |
| 974 | // SVRCOD - required (8 - ERROR) |
| 975 | // RDBNAM - required |
| 976 | // PKGNAMCSN - required |
| 977 | // SRVDGN - optional |
| 978 | // |
| 979 | private void parseQRYPOPRM() throws DisconnectException { |
| 980 | boolean svrcodReceived = false; |
| 981 | int svrcod = CodePoint.SVRCOD_INFO; |
| 982 | boolean rdbnamReceived = false; |
| 983 | String rdbnam = null; |
| 984 | boolean pkgnamcsnReceived = false; |
| 985 | Object pkgnamcsn = null; |
| 986 | |
| 987 | parseLengthAndMatchCodePoint(CodePoint.QRYPOPRM); |
| 988 | pushLengthOnCollectionStack(); |
| 989 | int peekCP = peekCodePoint(); |
| 990 | |
| 991 | while (peekCP != Reply.END_OF_COLLECTION) { |
| 992 | |
| 993 | boolean foundInPass = false; |
| 994 | |
| 995 | if (peekCP == CodePoint.SVRCOD) { |
| 996 | foundInPass = true; |
| 997 | svrcodReceived = checkAndGetReceivedFlag(svrcodReceived); |
| 998 | svrcod = parseSVRCOD(CodePoint.SVRCOD_ERROR, CodePoint.SVRCOD_ERROR); |
| 999 | peekCP = peekCodePoint(); |
| 1000 | } |
| 1001 | |
| 1002 | if (peekCP == CodePoint.RDBNAM) { |
| 1003 | foundInPass = true; |
| 1004 | rdbnamReceived = checkAndGetReceivedFlag(rdbnamReceived); |
| 1005 | rdbnam = parseRDBNAM(true); |
| 1006 | peekCP = peekCodePoint(); |
| 1007 | } |
| 1008 | if (peekCP == CodePoint.PKGNAMCSN) { |
| 1009 | foundInPass = true; |
| 1010 | pkgnamcsnReceived = checkAndGetReceivedFlag(pkgnamcsnReceived); |
| 1011 | pkgnamcsn = parsePKGNAMCSN(true); |
| 1012 | peekCP = peekCodePoint(); |
| 1013 | } |
| 1014 | |
| 1015 | if (!foundInPass) { |
| 1016 | doPrmnsprmSemantics(peekCP); |
| 1017 | } |
| 1018 | |
| 1019 | } |
| 1020 | popCollectionStack(); |
| 1021 | checkRequiredObjects(svrcodReceived, |
| 1022 | rdbnamReceived, |
| 1023 | pkgnamcsnReceived); |
| 1024 | |
| 1025 | netAgent_.setSvrcod(svrcod); |
| 1026 | agent_.accumulateChainBreakingReadExceptionAndThrow(new DisconnectException(agent_, |
| 1027 | new ClientMessageId(SQLState.DRDA_CONNECTION_TERMINATED), |
| 1028 | MessageUtil.getCompleteMessage(MessageId.CONN_DRDA_QRYOPEN, |
| 1029 | SqlException.CLIENT_MESSAGE_RESOURCE_NAME, |
| 1030 | (Object [])null))); |
| 1031 | } |
| 1032 | |
| 1033 | // Open Query Failure (OPNQFLRM) Reply Message indicates that the |
| 1034 | // OPNQRY command failed to open the query. The reason that the |
| 1035 | // target relational database was unable to open the query is reported in an |
| 1036 | // SQLCARD reply data object. |
| 1037 | // Whenever an OPNQFLRM is returned, an SQLCARD object must also be returned |
| 1038 | // following the OPNQFLRM. |
| 1039 | // |
| 1040 | // Returned from Server: |
| 1041 | // SVRCOD - required (8 - ERROR) |
| 1042 | // RDBNAM - required |
| 1043 | // SRVDGN - optional |
| 1044 | private void parseOPNQFLRM(StatementCallbackInterface statement) throws DisconnectException { |
| 1045 | boolean svrcodReceived = false; |
| 1046 | int svrcod = CodePoint.SVRCOD_INFO; |
| 1047 | boolean rdbnamReceived = false; |
| 1048 | String rdbnam = null; |
| 1049 | |
| 1050 | parseLengthAndMatchCodePoint(CodePoint.OPNQFLRM); |
| 1051 | pushLengthOnCollectionStack(); |
| 1052 | int peekCP = peekCodePoint(); |
| 1053 | |
| 1054 | while (peekCP != Reply.END_OF_COLLECTION) { |
| 1055 | |
| 1056 | boolean foundInPass = false; |
| 1057 | |
| 1058 | if (peekCP == CodePoint.SVRCOD) { |
| 1059 | foundInPass = true; |
| 1060 | svrcodReceived = checkAndGetReceivedFlag(svrcodReceived); |
| 1061 | svrcod = parseSVRCOD(CodePoint.SVRCOD_ERROR, CodePoint.SVRCOD_ERROR); |
| 1062 | peekCP = peekCodePoint(); |
| 1063 | } |
| 1064 | |
| 1065 | if (peekCP == CodePoint.RDBNAM) { |
| 1066 | // skip the rdbnam since it doesn't tell us anything new. |
| 1067 | // there is no way to return it to the application anyway. |
| 1068 | // not having to convert this to a string is a time saver also. |
| 1069 | foundInPass = true; |
| 1070 | rdbnamReceived = checkAndGetReceivedFlag(rdbnamReceived); |
| 1071 | rdbnam = parseRDBNAM(true); |
| 1072 | peekCP = peekCodePoint(); |
| 1073 | } |
| 1074 | if (!foundInPass) { |
| 1075 | doPrmnsprmSemantics(peekCP); |
| 1076 | } |
| 1077 | |
| 1078 | } |
| 1079 | popCollectionStack(); |
| 1080 | checkRequiredObjects(svrcodReceived, rdbnamReceived); |
| 1081 | |
| 1082 | netAgent_.setSvrcod(svrcod); |
| 1083 | |
| 1084 | // get SQLSTATE from SQLCARD... |
| 1085 | } |
| 1086 | |
| 1087 | // RDB Result Set Reply Message (RSLSETRM) indicates that an |
| 1088 | // EXCSQLSTT command invoked a stored procedure, that the execution |
| 1089 | // of the stored procedure generated one or more result sets, and |
| 1090 | // additional information aobut these result sets follows the SQLCARD and |
| 1091 | // SQLDTARD in the reply data of the response |
| 1092 | // |
| 1093 | // Returned from Server: |
| 1094 | // SVRCOD - required (0 INFO) |
| 1095 | // PKGSNLST - required |
| 1096 | // SRVDGN - optional |
| 1097 | protected java.util.ArrayList parseRSLSETRM() throws DisconnectException { |
| 1098 | boolean svrcodReceived = false; |
| 1099 | int svrcod = CodePoint.SVRCOD_INFO; |
| 1100 | boolean pkgsnlstReceived = false; |
| 1101 | java.util.ArrayList pkgsnlst = null; |
| 1102 | |
| 1103 | parseLengthAndMatchCodePoint(CodePoint.RSLSETRM); |
| 1104 | pushLengthOnCollectionStack(); |
| 1105 | int peekCP = peekCodePoint(); |
| 1106 | |
| 1107 | while (peekCP != Reply.END_OF_COLLECTION) { |
| 1108 | |
| 1109 | boolean foundInPass = false; |
| 1110 | |
| 1111 | if (peekCP == CodePoint.SVRCOD) { |
| 1112 | foundInPass = true; |
| 1113 | svrcodReceived = checkAndGetReceivedFlag(svrcodReceived); |
| 1114 | svrcod = parseSVRCOD(CodePoint.SVRCOD_INFO, CodePoint.SVRCOD_INFO); |
| 1115 | peekCP = peekCodePoint(); |
| 1116 | } |
| 1117 | |
| 1118 | if (peekCP == CodePoint.PKGSNLST) { |
| 1119 | // contain repeatable PKGNAMCSN |
| 1120 | foundInPass = true; |
| 1121 | pkgsnlstReceived = checkAndGetReceivedFlag(pkgsnlstReceived); |
| 1122 | pkgsnlst = parsePKGSNLST(); |
| 1123 | peekCP = peekCodePoint(); |
| 1124 | } |
| 1125 | |
| 1126 | if (!foundInPass) { |
| 1127 | doPrmnsprmSemantics(peekCP); |
| 1128 | } |
| 1129 | |
| 1130 | } |
| 1131 | popCollectionStack(); |
| 1132 | checkRequiredObjects(svrcodReceived, pkgsnlstReceived); |
| 1133 | |
| 1134 | netAgent_.setSvrcod(svrcod); |
| 1135 | |
| 1136 | return pkgsnlst; |
| 1137 | } |
| 1138 | |
| 1139 | //--------------------- parse DDM Reply Data-------------------------------------- |
| 1140 | |
| 1141 | |
| 1142 | // SQL Data Reply Data consists of output data from the relational database (RDB) |
| 1143 | // processing of an SQL statement. It also includes a description of the data. |
| 1144 | // |
| 1145 | // Returned from Server: |
| 1146 | // FDODSC - required |
| 1147 | // FDODTA - required |
| 1148 | protected NetSqlca parseSQLDTARD(NetSqldta netSqldta) throws DisconnectException { |
| 1149 | boolean fdodscReceived = false; |
| 1150 | boolean fdodtaReceived = false; |
| 1151 | |
| 1152 | parseLengthAndMatchCodePoint(CodePoint.SQLDTARD); |
| 1153 | pushLengthOnCollectionStack(); |
| 1154 | |
| 1155 | NetSqlca netSqlca = null; |
| 1156 | int peekCP = peekCodePoint(); |
| 1157 | while (peekCP != Reply.END_OF_COLLECTION) { |
| 1158 | |
| 1159 | boolean foundInPass = false; |
| 1160 | |
| 1161 | if (peekCP == CodePoint.FDODSC) { |
| 1162 | foundInPass = true; |
| 1163 | fdodscReceived = checkAndGetReceivedFlag(fdodscReceived); |
| 1164 | parseFDODSC(netSqldta); |
| 1165 | peekCP = peekCodePoint(); |
| 1166 | } |
| 1167 | |
| 1168 | if (peekCP == CodePoint.FDODTA) { |
| 1169 | foundInPass = true; |
| 1170 | fdodtaReceived = checkAndGetReceivedFlag(fdodtaReceived); |
| 1171 | netSqlca = parseFDODTA(netSqldta); |
| 1172 | peekCP = peekCodePoint(); |
| 1173 | } |
| 1174 | |
| 1175 | if (!foundInPass) { |
| 1176 | doPrmnsprmSemantics(peekCP); |
| 1177 | } |
| 1178 | |
| 1179 | } |
| 1180 | popCollectionStack(); |
| 1181 | checkRequiredObjects(fdodscReceived, fdodtaReceived); |
| 1182 | netSqldta.calculateColumnOffsetsForRow(); |
| 1183 | return netSqlca; |
| 1184 | } |
| 1185 | |
| 1186 | protected void parseQRYDSC(NetCursor cursor) throws DisconnectException { |
| 1187 | parseLengthAndMatchCodePoint(CodePoint.QRYDSC); |
| 1188 | parseSQLDTARDarray(cursor, false); // false means don't just skip the bytes |
| 1189 | } |
| 1190 | |
| 1191 | private void parseFDODSC(NetCursor cursor) throws DisconnectException { |
| 1192 | parseLengthAndMatchCodePoint(CodePoint.FDODSC); |
| 1193 | parseSQLDTARDarray(cursor, false); // false means don't just skip the bytes |
| 1194 | } |
| 1195 | |
| 1196 | private void parseSQLDTARDarray(NetCursor cursor, boolean skipBytes) throws DisconnectException { |
| 1197 | if (skipBytes) { |
| 1198 | skipBytes(); |
| 1199 | } |
| 1200 | int previousTripletType = FdocaConstants.SQLDTARD_TRIPLET_TYPE_START; |
| 1201 | int previousTripletId = FdocaConstants.SQLDTARD_TRIPLET_ID_START; |
| 1202 | int mddProtocolType = 0; |
| 1203 | int columnCount = 0; |
| 1204 | netAgent_.targetTypdef_.clearMddOverrides(); |
| 1205 | |
| 1206 | int ddmLength = getDdmLength(); |
| 1207 | ensureBLayerDataInBuffer(ddmLength); |
| 1208 | |
| 1209 | while (ddmLength > 0) { |
| 1210 | |
| 1211 | int tripletLength = readFastUnsignedByte(); |
| 1212 | int tripletType = readFastUnsignedByte(); |
| 1213 | int tripletId = readFastUnsignedByte(); |
| 1214 | |
| 1215 | switch (tripletType) { |
| 1216 | |
| 1217 | case FdocaConstants.MDD_TRIPLET_TYPE: |
| 1218 | if ((tripletLength != FdocaConstants.MDD_TRIPLET_SIZE) || |
| 1219 | (tripletId != FdocaConstants.NULL_LID)) { |
| 1220 | descriptorErrorDetected(); |
| 1221 | } |
| 1222 | checkPreviousSQLDTARDtriplet(previousTripletType, |
| 1223 | FdocaConstants.SQLDTARD_TRIPLET_TYPE_MDD, |
| 1224 | previousTripletId, |
| 1225 | FdocaConstants.SQLDTARD_TRIPLET_ID_0); |
| 1226 | previousTripletType = FdocaConstants.SQLDTARD_TRIPLET_TYPE_MDD; |
| 1227 | previousTripletId = FdocaConstants.SQLDTARD_TRIPLET_ID_0; |
| 1228 | |
| 1229 | // read in remaining MDD bytes |
| 1230 | int mddClass = readFastUnsignedByte(); |
| 1231 | int mddType = readFastUnsignedByte(); |
| 1232 | int mddRefType = readFastUnsignedByte(); |
| 1233 | mddProtocolType = readFastUnsignedByte(); |
| 1234 | break; |
| 1235 | |
| 1236 | case FdocaConstants.NGDA_TRIPLET_TYPE: // rename to NGDA_TRIPLET_CODEPOINT |
| 1237 | if (tripletId != FdocaConstants.SQLDTAGRP_LID) { |
| 1238 | descriptorErrorDetected(); |
| 1239 | } |
| 1240 | checkPreviousSQLDTARDtriplet(previousTripletType, |
| 1241 | FdocaConstants.SQLDTARD_TRIPLET_TYPE_GDA, |
| 1242 | previousTripletId, |
| 1243 | FdocaConstants.SQLDTARD_TRIPLET_ID_D0); |
| 1244 | previousTripletType = FdocaConstants.SQLDTARD_TRIPLET_TYPE_GDA; |
| 1245 | previousTripletId = FdocaConstants.SQLDTARD_TRIPLET_ID_0; |
| 1246 | |
| 1247 | // add a quick check to see if the table is altered (columns are added or deleted) |
| 1248 | // before reusing the cached cursor. note: this check does not catch the case |
| 1249 | // where the number of columns stay the same, but the column type or length changes, |
| 1250 | // i.e. from integer to char. |
| 1251 | int columns = peekTotalColumnCount(tripletLength); |
| 1252 | // peek ahead to get the total number of columns. |
| 1253 | cursor.initializeColumnInfoArrays(netAgent_.targetTypdef_, columns, netAgent_.targetSqlam_); |
| 1254 | columnCount += parseSQLDTAGRPdataLabelsAndUpdateColumn(cursor, columnCount, tripletLength); |
| 1255 | break; |
| 1256 | |
| 1257 | |
| 1258 | case FdocaConstants.RLO_TRIPLET_TYPE: // rename to RLO_TRIPLET_CODEPOINT |
| 1259 | |
| 1260 | switch (tripletId) { |
| 1261 | case FdocaConstants.SQLCADTA_LID: |
| 1262 | if (tripletLength != FdocaConstants.SQLCADTA_RLO_SIZE) { |
| 1263 | descriptorErrorDetected(); // DSCERRCD_06 |
| 1264 | } |
| 1265 | checkPreviousSQLDTARDtriplet(previousTripletType, |
| 1266 | FdocaConstants.SQLDTARD_TRIPLET_TYPE_RLO, |
| 1267 | previousTripletId, |
| 1268 | FdocaConstants.SQLDTARD_TRIPLET_ID_E0); |
| 1269 | previousTripletType = FdocaConstants.SQLDTARD_TRIPLET_TYPE_RLO; |
| 1270 | previousTripletId = FdocaConstants.SQLDTARD_TRIPLET_ID_E0; |
| 1271 | checkFastRLO(FdocaConstants.RLO_SQLCADTA); |
| 1272 | break; |
| 1273 | |
| 1274 | case FdocaConstants.SQLDTARD_LID: |
| 1275 | if (tripletLength != FdocaConstants.SQLDTARD_RLO_SIZE) { |
| 1276 | descriptorErrorDetected(); // DSCERRCD_06 |
| 1277 | } |
| 1278 | checkPreviousSQLDTARDtriplet(previousTripletType, |
| 1279 | FdocaConstants.SQLDTARD_TRIPLET_TYPE_RLO, |
| 1280 | previousTripletId, |
| 1281 | FdocaConstants.SQLDTARD_TRIPLET_ID_F0); |
| 1282 | previousTripletType = FdocaConstants.SQLDTARD_TRIPLET_TYPE_RLO; |
| 1283 | previousTripletId = FdocaConstants.SQLDTARD_TRIPLET_ID_F0; |
| 1284 | checkFastRLO(FdocaConstants.RLO_SQLDTARD); |
| 1285 | break; |
| 1286 | default: |
| 1287 | descriptorErrorDetected(); // DSCERRCD_07 |
| 1288 | break; |
| 1289 | } |
| 1290 | break; |
| 1291 | |
| 1292 | case FdocaConstants.CPT_TRIPLET_TYPE: // rename to CPT_TRIPLET_CODEPOINT |
| 1293 | if (tripletId != FdocaConstants.NULL_LID) { |
| 1294 | descriptorErrorDetected(); |
| 1295 | } |
| 1296 | checkPreviousSQLDTARDtriplet(previousTripletType, |
| 1297 | FdocaConstants.SQLDTARD_TRIPLET_TYPE_CPT, |
| 1298 | previousTripletId, |
| 1299 | FdocaConstants.SQLDTARD_TRIPLET_ID_0); |
| 1300 | previousTripletType = FdocaConstants.SQLDTARD_TRIPLET_TYPE_CPT; |
| 1301 | previousTripletId = FdocaConstants.SQLDTARD_TRIPLET_ID_0; |
| 1302 | |
| 1303 | columnCount += parseSQLDTAGRPdataLabelsAndUpdateColumn(cursor, columnCount, tripletLength); |
| 1304 | break; |
| 1305 | |
| 1306 | |
| 1307 | case FdocaConstants.SDA_TRIPLET_TYPE: // rename to SDA_TRIPLET_CODEPOINT |
| 1308 | if (tripletLength != FdocaConstants.SDA_TRIPLET_SIZE) { |
| 1309 | descriptorErrorDetected(); // DSCERRCD_06 |
| 1310 | } |
| 1311 | checkPreviousSQLDTARDtriplet(previousTripletType, |
| 1312 | FdocaConstants.SQLDTARD_TRIPLET_TYPE_SDA, |
| 1313 | previousTripletId, |
| 1314 | FdocaConstants.SQLDTARD_TRIPLET_ID_SDA); |
| 1315 | previousTripletType = FdocaConstants.SQLDTARD_TRIPLET_TYPE_SDA; |
| 1316 | previousTripletId = FdocaConstants.SQLDTARD_TRIPLET_ID_SDA; |
| 1317 | netAgent_.targetTypdef_.setMddOverride(mddProtocolType, // mdd protocol type |
| 1318 | tripletId, // fdocaTripletLid |
| 1319 | readFastUnsignedByte(), // fdocaFieldType |
| 1320 | readFastInt(), // ccsid |
| 1321 | readFastUnsignedByte(), // characterSize |
| 1322 | readFastUnsignedByte(), // mode |
| 1323 | readFastShort()); |
| 1324 | break; |
| 1325 | |
| 1326 | default: |
| 1327 | descriptorErrorDetected(); //DSCERRCD_01 |
| 1328 | break; |
| 1329 | } |
| 1330 | |
| 1331 | ddmLength -= tripletLength; |
| 1332 | } |
| 1333 | |
| 1334 | adjustLengths(getDdmLength()); |
| 1335 | |
| 1336 | // Allocate a char buffer after all of the descriptors have been parsed out. |
| 1337 | cursor.allocateCharBuffer(); |
| 1338 | |
| 1339 | checkPreviousSQLDTARDtriplet(previousTripletType, |
| 1340 | FdocaConstants.SQLDTARD_TRIPLET_TYPE_END, |
| 1341 | previousTripletId, |
| 1342 | FdocaConstants.SQLDTARD_TRIPLET_ID_END); |
| 1343 | |
| 1344 | } |
| 1345 | |
| 1346 | private void checkPreviousSQLDTARDtriplet(int previousTripletType, |
| 1347 | int tripletType, |
| 1348 | int previousTripletId, |
| 1349 | int tripletId) throws DisconnectException { |
| 1350 | if (FdocaConstants.SQLDTARD_TRIPLET_TYPES[previousTripletType][tripletType] == false) { |
| 1351 | descriptorErrorDetected(); // DSCERRCD_02 move error identity into array |
| 1352 | } |
| 1353 | if (FdocaConstants.SQLDTARD_TRIPLET_IDS[previousTripletId][tripletId] == false) { |
| 1354 | descriptorErrorDetected(); // DSCERRCD_02 move error identity into array |
| 1355 | } |
| 1356 | } |
| 1357 | |
| 1358 | |
| 1359 | private void checkFastRLO(int[][] rlo) throws DisconnectException { |
| 1360 | for (int i = 0; i < rlo.length; i++) { |
| 1361 | int lid = readFastUnsignedByte(); |
| 1362 | if (lid != rlo[i][FdocaConstants.RLO_GROUP_LID]) { |
| 1363 | descriptorErrorDetected(); // DSCERRCD_42 |
| 1364 | } |
| 1365 | int elementTaken = readFastUnsignedByte(); |
| 1366 | if (elementTaken != rlo[i][FdocaConstants.RLO_ELEMENT_TAKEN]) { |
| 1367 | descriptorErrorDetected(); // DSCERRCD_07 |
| 1368 | } |
| 1369 | int repFactor = readFastUnsignedByte(); |
| 1370 | if (repFactor != rlo[i][FdocaConstants.RLO_REP_FACTOR]) { |
| 1371 | descriptorErrorDetected(); // DSCERRCD_07 |
| 1372 | } |
| 1373 | } |
| 1374 | } |
| 1375 | |
| 1376 | // Possible errors to detect include: |
| 1377 | // DSCERRCD_01 - FDOCA triplet is not used in PROTOCOL descriptors or type code is invalid |
| 1378 | // DSCERRCD_02 - FDOCA triplet sequence error |
| 1379 | // DSCERRCD_03 - An array description is required and this is not one |
| 1380 | // (too many or too few RLO triplets) |
| 1381 | // DSCERRCD_04 - A row description is required and this is not one |
| 1382 | // (too many or too few RLO triplets) |
| 1383 | // DSCERRCD_05 - Late Environmental Descriptor just received not supported |
| 1384 | // DSCERRCD_06 - Malformed triplet, required parameter is missing |
| 1385 | // DSCERRCD_07 - Parameter value is not acceptable |
| 1386 | // DSCERRCD_11 - MDD present is not recognized as an SQL descriptor |
| 1387 | // DSCERRCD_12 - MDD class is not recognized as a valid SQL class |
| 1388 | // DSCERRCD_13 - MDD type not recognized as a valid SQL type |
| 1389 | // DSCERRCD_21 - Representation is incompatible with SQL type (in prior MDD) |
| 1390 | // DSCERRCD_22 - CCSID is not supported |
| 1391 | // DSCERRCD_32 - GDA references a local identifier which is not an SDA or GDA |
| 1392 | // DSCERRCD_33 - GDA length override exceeds limits |
| 1393 | // DSCERRCD_34 - GDA precision exceeds limits |
| 1394 | // DSCERRCD_35 - GDA scale greater than precision or scale negative |
| 1395 | // DSCERRCD_36 - GDA length override missing or incompatible with data type |
| 1396 | // DSCERRCD_41 - RLO references a LID which is not an RLO or GDA. |
| 1397 | // DSCERRCD_42 - RLO fails to reference a required GDA or RLO. |
| 1398 | private void descriptorErrorDetected() throws DisconnectException { |
| 1399 | agent_.accumulateChainBreakingReadExceptionAndThrow(new DisconnectException(agent_, |
| 1400 | new ClientMessageId(SQLState.DRDA_CONNECTION_TERMINATED), |
| 1401 | MessageUtil.getCompleteMessage(MessageId.CONN_DRDA_INVALIDFDOCA, |
| 1402 | SqlException.CLIENT_MESSAGE_RESOURCE_NAME, |
| 1403 | (Object [])null))); |
| 1404 | } |
| 1405 | |
| 1406 | protected void parseQRYDTA(NetResultSet netResultSet) throws DisconnectException { |
| 1407 | parseLengthAndMatchCodePoint(CodePoint.QRYDTA); |
| 1408 | if (longValueForDecryption_ == null) { |
| 1409 | int ddmLength = getDdmLength(); |
| 1410 | ensureBLayerDataInBuffer(ddmLength); |
| 1411 | } |
| 1412 | parseSQLDTARDdata(netResultSet.netCursor_); |
| 1413 | if (longValueForDecryption_ == null) { |
| 1414 | adjustLengths(getDdmLength()); |
| 1415 | } else { |
| 1416 | longValueForDecryption_ = null; |
| 1417 | } |
| 1418 | if (longBufferForDecryption_ != null) { |
| 1419 | buffer_ = longBufferForDecryption_; |
| 1420 | pos_ = longPosForDecryption_; |
| 1421 | if (count_ > longBufferForDecryption_.length) { |
| 1422 | count_ = longBufferForDecryption_.length; |
| 1423 | } else if (longCountForDecryption_ != 0) { |
| 1424 | count_ = longCountForDecryption_; |
| 1425 | longCountForDecryption_ = 0; |
| 1426 | } |
| 1427 | dssLength_ = 0; |
| 1428 | longBufferForDecryption_ = null; |
| 1429 | } |
| 1430 | |
| 1431 | |
| 1432 | } |
| 1433 | |
| 1434 | NetSqlca parseFDODTA(NetCursor netCursor) throws DisconnectException { |
| 1435 | parseLengthAndMatchCodePoint(CodePoint.FDODTA); |
| 1436 | int ddmLength = getDdmLength(); |
| 1437 | ensureBLayerDataInBuffer(ddmLength); |
| 1438 | mark(); |
| 1439 | NetSqlca netSqlca = parseSQLCARDrow(null); |
| 1440 | int length = getFastSkipSQLCARDrowLength(); |
| 1441 | adjustLengths(length); |
| 1442 | parseFastSQLDTARDdata(netCursor); |
| 1443 | return netSqlca; |
| 1444 | } |
| 1445 | |
| 1446 | void parseFastSQLDTARDdata(NetCursor netCursor) throws DisconnectException { |
| 1447 | netCursor.dataBufferStream_ = getFastData(netCursor.dataBufferStream_); |
| 1448 | netCursor.dataBuffer_ = netCursor.dataBufferStream_.toByteArray(); |
| 1449 | netCursor.lastValidBytePosition_ = netCursor.dataBuffer_.length; |
| 1450 | } |
| 1451 | |
| 1452 | void parseSQLDTARDdata(NetCursor netCursor) throws DisconnectException { |
| 1453 | if (longValueForDecryption_ == null) { |
| 1454 | netCursor.dataBufferStream_ = getData(netCursor.dataBufferStream_); |
| 1455 | netCursor.dataBuffer_ = netCursor.dataBufferStream_.toByteArray(); |
| 1456 | } else { |
| 1457 | int size = netCursor.dataBufferStream_.size(); |
| 1458 | if (size == 0) { |
| 1459 | netCursor.dataBuffer_ = longValueForDecryption_; |
| 1460 | //longValue_ = null; |
| 1461 | } else { |
| 1462 | byte[] newArray = new byte[size + longValueForDecryption_.length]; |
| 1463 | System.arraycopy(netCursor.dataBuffer_, 0, newArray, 0, size); |
| 1464 | System.arraycopy(longValueForDecryption_, 0, newArray, size, longValueForDecryption_.length); |
| 1465 | netCursor.dataBuffer_ = newArray; |
| 1466 | //longValue_ = null; |
| 1467 | } |
| 1468 | } |
| 1469 | |
| 1470 | netCursor.lastValidBytePosition_ = netCursor.dataBuffer_.length; |
| 1471 | } |
| 1472 | |
| 1473 | protected void copyEXTDTA(NetCursor netCursor) throws DisconnectException { |
| 1474 | try { |
| 1475 | parseLengthAndMatchCodePoint(CodePoint.EXTDTA); |
| 1476 | byte[] data = null; |
| 1477 | if (longValueForDecryption_ == null) { |
| 1478 | data = (getData(null)).toByteArray(); |
| 1479 | } else { |
| 1480 | data = longValueForDecryption_; |
| 1481 | dssLength_ = 0; |
| 1482 | longValueForDecryption_ = null; |
| 1483 | } |
| 1484 | netCursor.extdtaData_.add(data); |
| 1485 | } catch (java.lang.OutOfMemoryError e) { |
| 1486 | agent_.accumulateChainBreakingReadExceptionAndThrow(new DisconnectException(agent_, |
| 1487 | new ClientMessageId(SQLState.NET_LOB_DATA_TOO_LARGE_FOR_JVM), |
| 1488 | e)); |
| 1489 | } |
| 1490 | } |
| 1491 | |
| 1492 | //------------------------parse DDM Scalars----------------------------- |
| 1493 | |
| 1494 | // RDB Package name, consistency token, and section number |
| 1495 | // specifies the fully qualified name of a relational |
| 1496 | // database package, its consistency token, and a specific |
| 1497 | // section within a package. |
| 1498 | // |
| 1499 | // Only called for generated secctions from a callable statement. |
| 1500 | // |
| 1501 | protected Object parsePKGNAMCSN(boolean skip) throws DisconnectException { |
| 1502 | parseLengthAndMatchCodePoint(CodePoint.PKGNAMCSN); |
| 1503 | if (skip) { |
| 1504 | skipBytes(); |
| 1505 | return null; |
| 1506 | } |
| 1507 | |
| 1508 | // Still need to populate the logical members in case of an "set current packageset" |
| 1509 | String rdbnam = null; |
| 1510 | String rdbcolid = null; |
| 1511 | String pkgid = null; |
| 1512 | byte[] pkgcnstkn = null; |
| 1513 | |
| 1514 | int pkgsn = 0; |
| 1515 | byte[] pkgnamcsnBytes = null; |
| 1516 | int pkgnamcsnLength = 0; |
| 1517 | |
| 1518 | int ddmLength = getDdmLength(); |
| 1519 | int offset = 0; |
| 1520 | |
| 1521 | ensureBLayerDataInBuffer(ddmLength); |
| 1522 | |
| 1523 | if (ddmLength == 64) { |
| 1524 | // read all the bytes except the section number into the byte[] for caching |
| 1525 | pkgnamcsnLength = ddmLength - 2; |
| 1526 | //pkgnamcsnBytes = readBytes (pkgnamcsnLength); |
| 1527 | pkgnamcsnBytes = new byte[pkgnamcsnLength]; |
| 1528 | // readFast() does a read without moving the read head. |
| 1529 | offset = peekFastBytes(pkgnamcsnBytes, offset, pkgnamcsnLength); |
| 1530 | |
| 1531 | // populate the logical members |
| 1532 | rdbnam = readFastString(18); // RDB name |
| 1533 | rdbcolid = readFastString(18); // RDB Collection ID |
| 1534 | pkgid = readFastString(18); // RDB Package ID |
| 1535 | pkgcnstkn = readFastBytes(8); // Package Consistency Token |
| 1536 | } else if ((ddmLength >= 71) && (ddmLength <= 781)) { |
| 1537 | // this is the new SCLDTA format. |
| 1538 | |
| 1539 | // new up a byte[] to cache all the bytes except the 2-byte section number |
| 1540 | pkgnamcsnBytes = new byte[ddmLength - 2]; |
| 1541 | |
| 1542 | // get rdbnam |
| 1543 | int scldtaLen = peekFastLength(); |
| 1544 | if (scldtaLen < 18 || scldtaLen > 255) { |
| 1545 | agent_.accumulateChainBreakingReadExceptionAndThrow( |
| 1546 | new DisconnectException(agent_, |
| 1547 | new ClientMessageId( |
| 1548 | SQLState.NET_SQLCDTA_INVALID_FOR_RDBNAM), |
| 1549 | new Integer(scldtaLen))); |
| 1550 | return null; |
| 1551 | } |
| 1552 | // read 2+scldtaLen number of bytes from the reply buffer into the pkgnamcsnBytes |
| 1553 | //offset = readBytes (pkgnamcsnBytes, offset, 2+scldtaLen); |
| 1554 | offset = peekFastBytes(pkgnamcsnBytes, offset, 2 + scldtaLen); |
| 1555 | skipFastBytes(2); |
| 1556 | rdbnam = readFastString(scldtaLen); |
| 1557 | |
| 1558 | // get rdbcolid |
| 1559 | scldtaLen = peekFastLength(); |
| 1560 | if (scldtaLen < 18 || scldtaLen > 255) { |
| 1561 | agent_.accumulateChainBreakingReadExceptionAndThrow(new DisconnectException(agent_, |
| 1562 | new ClientMessageId(SQLState.NET_SQLCDTA_INVALID_FOR_RDBCOLID), |
| 1563 | new Integer(scldtaLen))); |
| 1564 | return null; |
| 1565 | } |
| 1566 | // read 2+scldtaLen number of bytes from the reply buffer into the pkgnamcsnBytes |
| 1567 | offset = peekFastBytes(pkgnamcsnBytes, offset, 2 + scldtaLen); |
| 1568 | skipFastBytes(2); |
| 1569 | rdbcolid = readFastString(scldtaLen); |
| 1570 | |
| 1571 | // get pkgid |
| 1572 | scldtaLen = peekFastLength(); |
| 1573 | if (scldtaLen < 18 || scldtaLen > 255) { |
| 1574 | agent_.accumulateChainBreakingReadExceptionAndThrow(new DisconnectException(agent_, |
| 1575 | new ClientMessageId(SQLState.NET_SQLCDTA_INVALID_FOR_PKGID), |
| 1576 | new Integer(scldtaLen))); |
| 1577 | return null; // To make compiler happy. |
| 1578 | } |
| 1579 | // read 2+scldtaLen number of bytes from the reply buffer into the pkgnamcsnBytes |
| 1580 | offset = peekFastBytes(pkgnamcsnBytes, offset, 2 + scldtaLen); |
| 1581 | skipFastBytes(2); |
| 1582 | pkgid = readFastString(scldtaLen); |
| 1583 | |
| 1584 | // get consistency token |
| 1585 | offset = peekFastBytes(pkgnamcsnBytes, offset, 8); |
| 1586 | pkgcnstkn = readFastBytes(8); |
| 1587 | |
| 1588 | } else { |
| 1589 | agent_.accumulateChainBreakingReadExceptionAndThrow(new DisconnectException(agent_, |
| 1590 | new ClientMessageId(SQLState.NET_PGNAMCSN_INVALID_AT_SQLAM), |
| 1591 | new Integer(ddmLength), new Integer(netAgent_.targetSqlam_))); |
| 1592 | return null; // To make compiler happy. |
| 1593 | } |
| 1594 | |
| 1595 | pkgsn = readFastUnsignedShort(); // Package Section Number. |
| 1596 | adjustLengths(ddmLength); |
| 1597 | // this is a server generated section |
| 1598 | // the -1 is set for holdability and it is not used for generated sections |
| 1599 | Section section = new Section(this.agent_, pkgid, pkgsn, null, -1, true); |
| 1600 | section.setPKGNAMCBytes(pkgnamcsnBytes); |
| 1601 | return section; |
| 1602 | } |
| 1603 | |
| 1604 | // Query Protocol type specifies the type of query protocol |
| 1605 | // the target SQLAM uses. |
| 1606 | protected int parseQRYPRCTYP() throws DisconnectException { |
| 1607 | parseLengthAndMatchCodePoint(CodePoint.QRYPRCTYP); |
| 1608 | int qryprctyp = parseCODPNTDR(); |
| 1609 | if ((qryprctyp != CodePoint.FIXROWPRC) && (qryprctyp != CodePoint.LMTBLKPRC)) { |
| 1610 | doValnsprmSemantics(CodePoint.QRYPRCTYP, qryprctyp); |
| 1611 | } |
| 1612 | return qryprctyp; |
| 1613 | } |
| 1614 | |
| 1615 | protected int parseFastQRYPRCTYP() throws DisconnectException { |
| 1616 | matchCodePoint(CodePoint.QRYPRCTYP); |
| 1617 | int qryprctyp = readFastUnsignedShort(); |
| 1618 | if ((qryprctyp != CodePoint.FIXROWPRC) && (qryprctyp != CodePoint.LMTBLKPRC)) { |
| 1619 | doValnsprmSemantics(CodePoint.QRYPRCTYP, qryprctyp); |
| 1620 | } |
| 1621 | return qryprctyp; |
| 1622 | } |
| 1623 | |
| 1624 | // hold cursor position state indicates whether the requester specified |
| 1625 | // the HOLD option on the SQL DECLARE CURSOR statement. When the HOLD |
| 1626 | // option is specified, the cursor is not closed upon execution of a |
| 1627 | // commit operation. |
| 1628 | // The value TRUE indicates that the requester specifies the HOLD |
| 1629 | // operation. The value FALSSE indicates that the requeter is not |
| 1630 | // specifying the HOLD option. |
| 1631 | protected int parseSQLCSRHLD() throws DisconnectException { |
| 1632 | parseLengthAndMatchCodePoint(CodePoint.SQLCSRHLD); |
| 1633 | int sqlcsrhld = readUnsignedByte(); |
| 1634 | // 0xF0 is false (default), 0xF1 is true // use constants in if |
| 1635 | if ((sqlcsrhld != 0xF0) && (sqlcsrhld != 0xF1)) { |
| 1636 | doValnsprmSemantics(CodePoint.SQLCSRHLD, sqlcsrhld); |
| 1637 | } |
| 1638 | return sqlcsrhld; |
| 1639 | } |
| 1640 | |
| 1641 | protected int parseFastSQLCSRHLD() throws DisconnectException { |
| 1642 | matchCodePoint(CodePoint.SQLCSRHLD); |
| 1643 | int sqlcsrhld = readFastUnsignedByte(); |
| 1644 | // 0xF0 is false (default), 0xF1 is true // use constants in if |
| 1645 | if ((sqlcsrhld != 0xF0) && (sqlcsrhld != 0xF1)) { |
| 1646 | doValnsprmSemantics(CodePoint.SQLCSRHLD, sqlcsrhld); |
| 1647 | } |
| 1648 | return sqlcsrhld; |
| 1649 | } |
| 1650 | |
| 1651 | // Query Attribute for Scrollability indicates whether |
| 1652 | // a cursor is scrollable or non-scrollable |
| 1653 | protected int parseQRYATTSCR() throws DisconnectException { |
| 1654 | parseLengthAndMatchCodePoint(CodePoint.QRYATTSCR); |
| 1655 | int qryattscr = readUnsignedByte(); // use constants in if |
| 1656 | if ((qryattscr != 0xF0) && (qryattscr != 0xF1)) { |
| 1657 | doValnsprmSemantics(CodePoint.QRYATTSCR, qryattscr); |
| 1658 | } |
| 1659 | return qryattscr; |
| 1660 | } |
| 1661 | |
| 1662 | protected int parseFastQRYATTSCR() throws DisconnectException { |
| 1663 | matchCodePoint(CodePoint.QRYATTSCR); |
| 1664 | int qryattscr = readFastUnsignedByte(); // use constants in if |
| 1665 | if ((qryattscr != 0xF0) && (qryattscr != 0xF1)) { |
| 1666 | doValnsprmSemantics(CodePoint.QRYATTSCR, qryattscr); |
| 1667 | } |
| 1668 | return qryattscr; |
| 1669 | } |
| 1670 | |
| 1671 | // enabled for rowset positioning. |
| 1672 | protected int parseQRYATTSET() throws DisconnectException { |
| 1673 | parseLengthAndMatchCodePoint(CodePoint.QRYATTSET); |
| 1674 | int qryattset = readUnsignedByte(); // use constants in if |
| 1675 | if ((qryattset != 0xF0) && (qryattset != 0xF1)) { |
| 1676 | doValnsprmSemantics(CodePoint.QRYATTSET, qryattset); |
| 1677 | } |
| 1678 | return qryattset; |
| 1679 | } |
| 1680 | |
| 1681 | protected int parseFastQRYATTSET() throws DisconnectException { |
| 1682 | matchCodePoint(CodePoint.QRYATTSET); |
| 1683 | int qryattset = readFastUnsignedByte(); // use constants in if |
| 1684 | if ((qryattset != 0xF0) && (qryattset != 0xF1)) { |
| 1685 | doValnsprmSemantics(CodePoint.QRYATTSET, qryattset); |
| 1686 | } |
| 1687 | return qryattset; |
| 1688 | } |
| 1689 | |
| 1690 | // Query attribute for Sensitivity indicats the sensitivity |
| 1691 | // of an opened cursor to changes made to the underlying |
| 1692 | // base table. |
| 1693 | protected int parseQRYATTSNS() throws DisconnectException { |
| 1694 | parseLengthAndMatchCodePoint(CodePoint.QRYATTSNS); |
| 1695 | int qryattsns = readUnsignedByte(); |
| 1696 | switch (qryattsns) { |
| 1697 | case CodePoint.QRYUNK: |
| 1698 | case CodePoint.QRYINS: |
| 1699 | break; |
| 1700 | default: |
| 1701 | doValnsprmSemantics(CodePoint.QRYATTSNS, qryattsns); |
| 1702 | break; |
| 1703 | } |
| 1704 | return qryattsns; |
| 1705 | } |
| 1706 | |
| 1707 | protected int parseFastQRYATTSNS() throws DisconnectException { |
| 1708 | matchCodePoint(CodePoint.QRYATTSNS); |
| 1709 | int qryattsns = readFastUnsignedByte(); |
| 1710 | switch (qryattsns) { |
| 1711 | case CodePoint.QRYUNK: |
| 1712 | case CodePoint.QRYSNSSTC: |
| 1713 | case CodePoint.QRYINS: |
| 1714 | break; |
| 1715 | default: |
| 1716 | doValnsprmSemantics(CodePoint.QRYATTSNS, qryattsns); |
| 1717 | break; |
| 1718 | } |
| 1719 | return qryattsns; |
| 1720 | } |
| 1721 | |
| 1722 | // Query Attribute for Updatability indicates the updatability |
| 1723 | // of an opened cursor. |
| 1724 | protected int parseQRYATTUPD() throws DisconnectException { |
| 1725 | parseLengthAndMatchCodePoint(CodePoint.QRYATTUPD); |
| 1726 | int qryattupd = readUnsignedByte(); |
| 1727 | switch (qryattupd) { |
| 1728 | case CodePoint.QRYUNK: |
| 1729 | case CodePoint.QRYRDO: |
| 1730 | case CodePoint.QRYUPD: |
| 1731 | break; |
| 1732 | default: |
| 1733 | doValnsprmSemantics(CodePoint.QRYATTUPD, qryattupd); |
| 1734 | break; |
| 1735 | } |
| 1736 | return qryattupd; |
| 1737 | } |
| 1738 | |
| 1739 | protected int parseFastQRYATTUPD() throws DisconnectException { |
| 1740 | matchCodePoint(CodePoint.QRYATTUPD); |
| 1741 | int qryattupd = readFastUnsignedByte(); |
| 1742 | switch (qryattupd) { |
| 1743 | case CodePoint.QRYUNK: |
| 1744 | case CodePoint.QRYRDO: |
| 1745 | case CodePoint.QRYUPD: |
| 1746 | break; |
| 1747 | default: |
| 1748 | doValnsprmSemantics(CodePoint.QRYATTUPD, qryattupd); |
| 1749 | break; |
| 1750 | } |
| 1751 | return qryattupd; |
| 1752 | } |
| 1753 | |
| 1754 | |
| 1755 | private long parseFastQRYINSID() throws DisconnectException { |
| 1756 | matchCodePoint(CodePoint.QRYINSID); |
| 1757 | return readFastLong(); |
| 1758 | } |
| 1759 | |
| 1760 | |
| 1761 | // RDB Package Namce, Consistency Token, and Section Number List |
| 1762 | // specifies a list of fully qualified names of specific sections |
| 1763 | // within one or more packages. |
| 1764 | protected java.util.ArrayList parsePKGSNLST() throws DisconnectException { |
| 1765 | Object pkgnamcsn = null; |
| 1766 | java.util.ArrayList pkgsnlst = new java.util.ArrayList(); // what default size should we use |
| 1767 | |
| 1768 | parseLengthAndMatchCodePoint(CodePoint.PKGSNLST); |
| 1769 | pushLengthOnCollectionStack(); |
| 1770 | while (peekCodePoint() != Reply.END_OF_COLLECTION) { |
| 1771 | pkgnamcsn = parsePKGNAMCSN(false); |
| 1772 | pkgsnlst.add(pkgnamcsn); |
| 1773 | } |
| 1774 | popCollectionStack(); |
| 1775 | return pkgsnlst; |
| 1776 | } |
| 1777 | |
| 1778 | protected NetSqlca parseSQLDARD(ColumnMetaData columnMetaData, |
| 1779 | boolean skipBytes) throws DisconnectException { |
| 1780 | parseLengthAndMatchCodePoint(CodePoint.SQLDARD); |
| 1781 | return parseSQLDARDarray(columnMetaData, skipBytes); |
| 1782 | } |
| 1783 | |
| 1784 | protected int parseSQLRSLRD(java.util.ArrayList sectionAL) throws DisconnectException { |
| 1785 | parseLengthAndMatchCodePoint(CodePoint.SQLRSLRD); |
| 1786 | return parseSQLRSLRDarray(sectionAL); |
| 1787 | } |
| 1788 | |
| 1789 | protected ColumnMetaData parseSQLCINRD() throws DisconnectException { |
| 1790 | parseLengthAndMatchCodePoint(CodePoint.SQLCINRD); |
| 1791 | int ddmLength = getDdmLength(); |
| 1792 | ensureBLayerDataInBuffer(ddmLength); |
| 1793 | ColumnMetaData cm = parseSQLCINRDarray(); |
| 1794 | adjustLengths(getDdmLength()); |
| 1795 | return cm; |
| 1796 | } |
| 1797 | |
| 1798 | |
| 1799 | //--------------------------parse FDOCA objects------------------------ |
| 1800 | |
| 1801 | // SQLDARD : FDOCA EARLY ARRAY |
| 1802 | // SQL Descriptor Area Row Description with SQL Communications Area |
| 1803 | // |
| 1804 | // FORMAT FOR SQLAM <= 6 |
| 1805 | // SQLCARD; ROW LID 0x64; ELEMENT TAKEN 0(all); REP FACTOR 1 |
| 1806 | // SQLNUMROW; ROW LID 0x68; ELEMENT TAKEN 0(all); REP FACTOR 1 |
| 1807 | // SQLDAROW; ROW LID 0x60; ELEMENT TAKEN 0(all); REP FACTOR 0(all) |
| 1808 | // |
| 1809 | // FORMAT FOR SQLAM >= 7 |
| 1810 | // SQLCARD; ROW LID 0x64; ELEMENT TAKEN 0(all); REP FACTOR 1 |
| 1811 | // SQLDHROW; ROW LID 0xE0; ELEMENT TAKEN 0(all); REP FACTOR 1 |
| 1812 | // SQLNUMROW; ROW LID 0x68; ELEMENT TAKEN 0(all); REP FACTOR 1 |
| 1813 | // SQLDAROW; ROW LID 0x60; ELEMENT TAKEN 0(all); REP FACTOR 0(all) |
| 1814 | NetSqlca parseSQLDARDarray(ColumnMetaData columnMetaData, |
| 1815 | boolean skipBytes) throws DisconnectException { |
| 1816 | int ddmLength = 0; |
| 1817 | if (!ensuredLengthForDecryption_ && longValueForDecryption_ == null) { //if ensuredLength = true, means we already ensured length in decryptData, so don't need to do it again |
| 1818 | ddmLength = getDdmLength(); |
| 1819 | ensureBLayerDataInBuffer(ddmLength); |
| 1820 | |
| 1821 | } |
| 1822 | if (longValueForDecryption_ != null) { |
| 1823 | buffer_ = longValueForDecryption_; |
| 1824 | pos_ = 0; |
| 1825 | count_ = longValueForDecryption_.length; |
| 1826 | //dssLength_ = 0; |
| 1827 | } |
| 1828 | |
| 1829 | |
| 1830 | NetSqlca netSqlca = null; |
| 1831 | if (skipBytes) { |
| 1832 | mark(); |
| 1833 | netSqlca = parseSQLCARDrow(null); |
| 1834 | skipFastBytes(ddmLength - getFastSkipSQLCARDrowLength()); |
| 1835 | adjustLengths(getDdmLength()); |
| 1836 | return netSqlca; |
| 1837 | } else { |
| 1838 | netSqlca = parseSQLCARDrow(null); |
| 1839 | } |
| 1840 | |
| 1841 | parseSQLDHROW(columnMetaData); |
| 1842 | |
| 1843 | int columns = parseSQLNUMROW(); |
| 1844 | if (columns > columnMetaData.columns_) // this will only be true when columnMetaData.columns_ = 0 under deferred prepare |
| 1845 | // under deferred prepare the CMD arrays are not allocated until now, no guesses were made |
| 1846 | { |
| 1847 | columnMetaData.initializeCache(columns); |
| 1848 | } else // column count was guessed, don't bother reallocating arrays, just truncate their lengths |
| 1849 | { |
| 1850 | columnMetaData.columns_ = columns; |
| 1851 | } |
| 1852 | |
| 1853 | // is this correct for 0 SQLNUMROW |
| 1854 | // does rest of code expect a null ColumnMetaData object |
| 1855 | // or does rest of code expect an non null object |
| 1856 | // with columns_ set to 0 |
| 1857 | |
| 1858 | for (int i = 0; i < columnMetaData.columns_; i++) { |
| 1859 | parseSQLDAROW(columnMetaData, i); |
| 1860 | } |
| 1861 | |
| 1862 | if (longValueForDecryption_ == null) { |
| 1863 | adjustLengths(getDdmLength()); |
| 1864 | } else { |
| 1865 | dssLength_ = 0; |
| 1866 | longValueForDecryption_ = null; |
| 1867 | } |
| 1868 | |
| 1869 | |
| 1870 | return netSqlca; |
| 1871 | } |
| 1872 | |
| 1873 | |
| 1874 | // SQLRSLRD : FDOCA EARLY ARRAY |
| 1875 | // Data Array of a Result Set |
| 1876 | // |
| 1877 | // FORMAT FOR ALL SQLAM LEVELS |
| 1878 | // SQLNUMROW; ROW LID 0x68; ELEMENT TAKEN 0(all); REP FACTOR 1 |
| 1879 | // SQLRSROW; ROW LID 0x6F; ELEMENT TAKEN 0(all); REP FACTOR 0(all) |
| 1880 | // |
| 1881 | // SQL Result Set Reply Data (SQLRSLRD) is a byte string that specifies |
| 1882 | // information about result sets returned as reply data in the response to |
| 1883 | // an EXCSQLSTT command that invokes a stored procedure |
| 1884 | int parseSQLRSLRDarray(java.util.ArrayList sectionAL) throws DisconnectException { |
| 1885 | int numOfResultSets = parseSQLNUMROW(); |
| 1886 | for (int i = 0; i < numOfResultSets; i++) { |
| 1887 | parseSQLRSROW((Section) sectionAL.get(i)); |
| 1888 | } |
| 1889 | return numOfResultSets; |
| 1890 | } |
| 1891 | |
| 1892 | // SQLCINRD : FDOCA EARLY ARRAY |
| 1893 | // SQL Result Set Column Array Description |
| 1894 | // |
| 1895 | // FORMAT FOR SQLAM <= 6 |
| 1896 | // SQLNUMROW; ROW LID 0x68; ELEMENT TAKEN 0(all); REP FACTOR 1 |
| 1897 | // SQLCIROW; ROW LID 0x6B; ELEMENT TAKEN 0(all); REP FACTOR 0(all) |
| 1898 | // |
| 1899 | // FORMAT FOR SQLAM >= 7 |
| 1900 | // SQLDHROW; ROW LID 0xE0; ELEMENT TAKEN 0(all); REP FACTOR 1 |
| 1901 | // SQLNUMROW; ROW LID 0x68; ELEMENT TAKEN 0(all); REP FACTOR 1 |
| 1902 | // SQLDAROW; ROW LID 0x60; ELEMENT TAKEN 0(all); REP FACTOR 0(all) |
| 1903 | // |
| 1904 | // SQL Result Set Column Information Reply Data (SQLCINRD) is a byte string |
| 1905 | // that specifies information about columns for a result set returned as |
| 1906 | // reply data in the response to an EXCSQLSTT command that invodes a stored |
| 1907 | // procedure |
| 1908 | ColumnMetaData parseSQLCINRDarray() throws DisconnectException { |
| 1909 | ColumnMetaData columnMetaData = ClientDriver.getFactory().newColumnMetaData(netAgent_.logWriter_); |
| 1910 | |
| 1911 | parseSQLDHROW(columnMetaData); |
| 1912 | |
| 1913 | // possibly change initializeCache to not new up arrays if |
| 1914 | // parseSQLNUMROW returns 0 |
| 1915 | columnMetaData.initializeCache(parseFastSQLNUMROW()); |
| 1916 | |
| 1917 | // is this correct for 0 SQLNUMROW, |
| 1918 | // does rest of code expect a null ColumnMetaData object |
| 1919 | // or does rest of code expect an non null object |
| 1920 | // with columns_ set to 0 |
| 1921 | for (int i = 0; i < columnMetaData.columns_; i++) { |
| 1922 | parseSQLDAROW(columnMetaData, i); |
| 1923 | } |
| 1924 | |
| 1925 | return columnMetaData; |
| 1926 | } |
| 1927 | |
| 1928 | // SQLDAROW : FDOCA EARLY ROW |
| 1929 | // SQL Data Area Row Description |
| 1930 | // |
| 1931 | // FORMAT FOR ALL SQLAM LEVELS |
| 1932 | // SQLDAGRP; GROUP LID 0x50; ELEMENT TAKEN 0(all); REP FACTOR 1 |
| 1933 | private void parseSQLDAROW(ColumnMetaData columnMetaData, |
| 1934 | int columnNumber) throws DisconnectException { |
| 1935 | parseSQLDAGRP(columnMetaData, columnNumber); |
| 1936 | } |
| 1937 | |
| 1938 | // SQLDHROW : FDOCA EARLY ROW |
| 1939 | // SQL Descriptor Header Row Description |
| 1940 | // |
| 1941 | // FORMAT FOR SQLAM >= 7 |
| 1942 | // SQLDHGRP; GROUP LID 0xD0; ELEMENT TAKEN 0(all); REP FACTOR 1 |
| 1943 | private void parseSQLDHROW(ColumnMetaData columnMetaData) throws DisconnectException { |
| 1944 | parseSQLDHGRP(columnMetaData); |
| 1945 | } |
| 1946 | |
| 1947 | // SQLRSROW : FDOCA EARLY ROW |
| 1948 | // SQL Row Description for One Result Set Row |
| 1949 | // |
| 1950 | // FORMAT FOR ALL SQLAM LEVELS |
| 1951 | // SQLRSGRP; GROUP LID 0x5F; ELEMENT TAKEN 0(all); REP FACTOR 1 |
| 1952 | private void parseSQLRSROW(Section section) throws DisconnectException { |
| 1953 | parseSQLRSGRP(section); |
| 1954 | } |
| 1955 | |
| 1956 | |
| 1957 | // These methods are "private protected", which is not a recognized java privilege, |
| 1958 | // but means that these methods are private to this class and to subclasses, |
| 1959 | // and should not be used as package-wide friendly methods. |
| 1960 | |
| 1961 | // SQLDAGRP : EARLY FDOCA GROUP |
| 1962 | // SQL Data Area Group Description |
| 1963 | // |
| 1964 | // FORMAT FOR SQLAM <= 6 |
| 1965 | // SQLPRECISION; PROTOCOL TYPE I2; ENVLID 0x04; Length Override 2 |
| 1966 | // SQLSCALE; PROTOCOL TYPE I2; ENVLID 0x04; Length Override 2 |
| 1967 | // SQLLENGTH; PROTOCOL TYPE I4; ENVLID 0x02; Length Override 4 |
| 1968 | // SQLTYPE; PROTOCOL TYPE I2; ENVLID 0x04; Length Override 2 |
| 1969 | // SQLCCSID; PROTOCOL TYPE FB; ENVLID 0x26; Length Override 2 |
| 1970 | // SQLNAME_m; PROTOCOL TYPE VCM; ENVLID 0x3E; Length Override 30 |
| 1971 | // SQLNAME_s; PROTOCOL TYPE VCS; ENVLID 0x32; Length Override 30 |
| 1972 | // SQLLABEL_m; PROTOCOL TYPE VCM; ENVLID 0x3E; Length Override 30 |
| 1973 | // SQLLABEL_s; PROTOCOL TYPE VCS; ENVLID 0x32; Length Override 30 |
| 1974 | // SQLCOMMENTS_m; PROTOCOL TYPE VCM; ENVLID 0x3E; Length Override 254 |
| 1975 | // SQLCOMMENTS_m; PROTOCOL TYPE VCS; ENVLID 0x32; Length Override 254 |
| 1976 | // |
| 1977 | // FORMAT FOR SQLAM == 6 |
| 1978 | // SQLPRECISION; PROTOCOL TYPE I2; ENVLID 0x04; Length Override 2 |
| 1979 | // SQLSCALE; PROTOCOL TYPE I2; ENVLID 0x04; Length Override 2 |
| 1980 | // SQLLENGTH; PROTOCOL TYPE I8; ENVLID 0x16; Length Override 8 |
| 1981 | // SQLTYPE; PROTOCOL TYPE I2; ENVLID 0x04; Length Override 2 |
| 1982 | // SQLCCSID; PROTOCOL TYPE FB; ENVLID 0x26; Length Override 2 |
| 1983 | // SQLNAME_m; PROTOCOL TYPE VCM; ENVLID 0x3E; Length Override 30 |
| 1984 | // SQLNAME_s; PROTOCOL TYPE VCS; ENVLID 0x32; Length Override 30 |
| 1985 | // SQLLABEL_m; PROTOCOL TYPE VCM; ENVLID 0x3E; Length Override 30 |
| 1986 | // SQLLABEL_s; PROTOCOL TYPE VCS; ENVLID 0x32; Length Override 30 |
| 1987 | // SQLCOMMENTS_m; PROTOCOL TYPE VCM; ENVLID 0x3E; Length Override 254 |
| 1988 | // SQLCOMMENTS_m; PROTOCOL TYPE VCS; ENVLID 0x32; Length Override 254 |
| 1989 | // SQLUDTGRP; PROTOCOL TYPE N-GDA; ENVLID 0x51; Length Override 0 |
| 1990 | // |
| 1991 | // FORMAT FOR SQLAM >= 7 |
| 1992 | // SQLPRECISION; PROTOCOL TYPE I2; ENVLID 0x04; Length Override 2 |
| 1993 | // SQLSCALE; PROTOCOL TYPE I2; ENVLID 0x04; Length Override 2 |
| 1994 | // SQLLENGTH; PROTOCOL TYPE I8; ENVLID 0x16; Length Override 8 |
| 1995 | // SQLTYPE; PROTOCOL TYPE I2; ENVLID 0x04; Length Override 2 |
| 1996 | // SQLCCSID; PROTOCOL TYPE FB; ENVLID 0x26; Length Override 2 |
| 1997 | // SQLDOPTGRP; PROTOCOL TYPE N-GDA; ENVLID 0xD2; Length Override 0 |
| 1998 | private void parseSQLDAGRP(ColumnMetaData columnMetaData, |
| 1999 | int columnNumber) throws DisconnectException { |
| 2000 | long columnLength = 0; |
| 2001 | |
| 2002 | // 2-byte precision |
| 2003 | int precision = readFastShort(); |
| 2004 | |
| 2005 | // 2-byte scale |
| 2006 | int scale = readFastShort(); |
| 2007 | |
| 2008 | // 8 byte sqllength |
| 2009 | columnLength = readFastLong(); |
| 2010 | |
| 2011 | // create a set method after sqlType and ccsid is read |
| 2012 | // possibly have it set the nullable |
| 2013 | int sqlType = readFastShort(); |
| 2014 | |
| 2015 | // 2-byte sqlccsid |
| 2016 | // (NOTE: SQLCCSID is always flown as BIG ENDIAN, not as data!) |
| 2017 | // The C-Common Client also does the following: |
| 2018 | // 1. Determine which type of code page is to be used for this variable: |
| 2019 | // 2. Map the CCSID to the correct codepage: |
| 2020 | // 3. "Split" the CCSID to see whether it is for SBCS or MBCS: |
| 2021 | int ccsid = readFastUnsignedShort(); |
| 2022 | |
| 2023 | columnMetaData.sqlPrecision_[columnNumber] = precision; |
| 2024 | columnMetaData.sqlScale_[columnNumber] = scale; |
| 2025 | columnMetaData.sqlLength_[columnNumber] = columnLength; |
| 2026 | columnMetaData.sqlType_[columnNumber] = sqlType; |
| 2027 | // Set the nullables |
| 2028 | columnMetaData.nullable_[columnNumber] = Utils.isSqlTypeNullable(sqlType); |
| 2029 | columnMetaData.sqlCcsid_[columnNumber] = ccsid; |
| 2030 | columnMetaData.types_[columnNumber] = |
| 2031 | Types.mapDERBYTypeToDriverType(true, sqlType, columnLength, ccsid); // true means isDescribed |
| 2032 | parseSQLDOPTGRP(columnMetaData, columnNumber); |
| 2033 | } |
| 2034 | |
| 2035 | // SQLUDTGRP : EARLY FDOCA GROUP |
| 2036 | // SQL User-Defined Data Group Description |
| 2037 | // |
| 2038 | // FORMAT FOR SQLAM >= 7 |
| 2039 | // SQLUDTXTYPE; PROTOCOL TYPE I4; ENVLID 0X02; Length Override 4 |
| 2040 | // SQLUDTRDB; PROTOCOL TYPE VCS; ENVLID 0X32; Length Override 255 |
| 2041 | // SQLUDTSCHEMA_m; PROTOCOL TYPE VCM; ENVLID 0X3E; Length Override 255 |
| 2042 | // SQLUDTSCHEMA_s; PROTOCOL TYPE VCS; ENVLID 0X32; Length Override 255 |
| 2043 | // SQLUDTNAME_m; PROTOCOL TYPE VCM; ENVLID 0X3E; Length Override 255 |
| 2044 | // SQLUDTNAME_s; PROTOCOL TYPE VCS; ENVLID 0X32; Length Override 255 |
| 2045 | private void parseSQLUDTGRP(ColumnMetaData columnMetaData, |
| 2046 | int columnNumber) throws DisconnectException { |
| 2047 | if (readFastUnsignedByte() == CodePoint.NULLDATA) { |
| 2048 | return; |
| 2049 | } |
| 2050 | |
| 2051 | } |
| 2052 | |
| 2053 | // SQLDOPTGRP : EARLY FDOCA GROUP |
| 2054 | // SQL Descriptor Optional Group Description |
| 2055 | // |
| 2056 | // FORMAT FOR SQLAM >= 7 |
| 2057 | // SQLUNNAMED; PROTOCOL TYPE I2; ENVLID 0x04; Length Override 2 |
| 2058 | // SQLNAME_m; PROTOCOL TYPE VCM; ENVLID 0x3E; Length Override 255 |
| 2059 | // SQLNAME_s; PROTOCOL TYPE VCS; ENVLID 0x32; Length Override 255 |
| 2060 | // SQLLABEL_m; PROTOCOL TYPE VCM; ENVLID 0x3E; Length Override 255 |
| 2061 | // SQLLABEL_s; PROTOCOL TYPE VCS; ENVLID 0x32; Length Override 255 |
| 2062 | // SQLCOMMENTS_m; PROTOCOL TYPE VCM; ENVLID 0x3E; Length Override 255 |
| 2063 | // SQLCOMMENTS_s; PROTOCOL TYPE VCS; ENVLID 0x32; Length Override 255 |
| 2064 | // SQLUDTGRP; PROTOCOL TYPE N-GDA; ENVLID 0x5B; Length Override 0 |
| 2065 | // SQLDXGRP; PROTOCOL TYPE N-GDA; ENVLID 0xD4; Length Override 0 |
| 2066 | private void parseSQLDOPTGRP(ColumnMetaData columnMetaData, |
| 2067 | int columnNumber) throws DisconnectException { |
| 2068 | if (readFastUnsignedByte() == CodePoint.NULLDATA) { |
| 2069 | return; |
| 2070 | } |
| 2071 | |
| 2072 | // SQLUNNAMED; PROTOCOL TYPE I2; ENVLID 0x04; Length Override 2 |
| 2073 | short sqlunnamed = readFastShort(); |
| 2074 | |
| 2075 | // SQLNAME_m; PROTOCOL TYPE VCM; ENVLID 0x3E; Length Override 255 |
| 2076 | // SQLNAME_s; PROTOCOL TYPE VCS; ENVLID 0x32; Length Override 255 |
| 2077 | String name = parseFastVCMorVCS(); |
| 2078 | |
| 2079 | // SQLLABEL_m; PROTOCOL TYPE VCM; ENVLID 0x3E; Length Override 255 |
| 2080 | // SQLLABEL_s; PROTOCOL TYPE VCS; ENVLID 0x32; Length Override 255 |
| 2081 | String label = parseFastVCMorVCS(); |
| 2082 | |
| 2083 | // SQLCOMMENTS_m; PROTOCOL TYPE VCM; ENVLID 0x3E; Length Override 255 |
| 2084 | // SQLCOMMENTS_s; PROTOCOL TYPE VCS; ENVLID 0x32; Length Override 255 |
| 2085 | String colComments = parseFastVCMorVCS(); |
| 2086 | |
| 2087 | if (columnMetaData.sqlName_ == null) { |
| 2088 | columnMetaData.sqlName_ = new String[columnMetaData.columns_]; |
| 2089 | } |
| 2090 | if (columnMetaData.sqlLabel_ == null) { |
| 2091 | columnMetaData.sqlLabel_ = new String[columnMetaData.columns_]; |
| 2092 | } |
| 2093 | if (columnMetaData.sqlUnnamed_ == null) { |
| 2094 | columnMetaData.sqlUnnamed_ = new short[columnMetaData.columns_]; |
| 2095 | } |
| 2096 | if (columnMetaData.sqlComment_ == null) { |
| 2097 | columnMetaData.sqlComment_ = new String[columnMetaData.columns_]; |
| 2098 | } |
| 2099 | columnMetaData.sqlName_[columnNumber] = name; |
| 2100 | columnMetaData.sqlLabel_[columnNumber] = label; |
| 2101 | columnMetaData.sqlUnnamed_[columnNumber] = sqlunnamed; |
| 2102 | columnMetaData.sqlComment_[columnNumber] = colComments; |
| 2103 | |
| 2104 | // possibly move all the assignments into a single method on the columnMetaData object |
| 2105 | |
| 2106 | parseSQLUDTGRP(columnMetaData, columnNumber); |
| 2107 | parseSQLDXGRP(columnMetaData, columnNumber); |
| 2108 | } |
| 2109 | |
| 2110 | // SQLDXGRP : EARLY FDOCA GROUP |
| 2111 | // SQL Descriptor Extended Group Description |
| 2112 | // |
| 2113 | // FORMAT FOR SQLAM >=7 |
| 2114 | // SQLXKEYMEM; PROTOCOL TYPE I2; ENVLID 0x04; Length Override 2 |
| 2115 | // SQLXUPDATEABLE; PROTOCOL TYPE I2; ENVLID 0x04; Length Override 2 |
| 2116 | // SQLXGENERATED; PROTOCOL TYPE I2; ENVLID 0x04; Length Override 2 |
| 2117 | // SQLXPARMMODE; PROTOCOL TYPE I2; ENVLID 0x04; Length Override 2 |
| 2118 | // SQLXRDBNAM; PROTOCOL TYPE VCS; ENVLID 0x32; Length Override 255 |
| 2119 | // SQLXCORNAME_m; PROTOCOL TYPE VCM; ENVLID 0x3E; Length Override 255 |
| 2120 | // SQLXCORNAME_s; PROTOCOL TYPE VCS; ENVLID 0x32; Length Override 255 |
| 2121 | // SQLXBASENAME_m; PROTOCOL TYPE VCM; ENVLID 0x3E; Length Override 255 |
| 2122 | // SQLXBASENAME_s; PROTOCOL TYPE VCS; ENVLID 0x32; Length Override 255 |
| 2123 | // SQLXSCHEMA_m; PROTOCOL TYPE VCM; ENVLID 0x3E; Length Override 255 |
| 2124 | // SQLXSCHEMA_s; PROTOCOL TYPE VCS; ENVLID 0x32; Length Override 255 |
| 2125 | // SQLXNAME_m; PROTOCOL TYPE VCM; ENVLID 0x3E; Length Override 255 |
| 2126 | // SQLXNAME_s; PROTOCOL TYPE VCS; ENVLID 0x32; Length Override 255 |
| 2127 | private void parseSQLDXGRP(ColumnMetaData columnMetaData, |
| 2128 | int column) throws DisconnectException { |
| 2129 | if (readFastUnsignedByte() == CodePoint.NULLDATA) { |
| 2130 | return; |
| 2131 | } |
| 2132 | |
| 2133 | |
| 2134 | // SQLXKEYMEM; PROTOCOL TYPE I2; ENVLID 0x04; Length Override 2 |
| 2135 | short sqlxkeymem = readFastShort(); |
| 2136 | |
| 2137 | // SQLXUPDATEABLE; PROTOCOL TYPE I2; ENVLID 0x04; Length Override 2 |
| 2138 | short sqlxupdateable = readFastShort(); |
| 2139 | |
| 2140 | // SQLXGENERATED; PROTOCOL TYPE I2; ENVLID 0x04; Length Override 2 |
| 2141 | short sqlxgenerated = readFastShort(); |
| 2142 | |
| 2143 | // SQLXPARMMODE; PROTOCOL TYPE I2; ENVLID 0x04; Length Override 2 |
| 2144 | short sqlxparmmode = readFastShort(); |
| 2145 | |
| 2146 | // SQLXRDBNAM; PROTOCOL TYPE VCS; ENVLID 0x32; Length Override 255 |
| 2147 | String sqlxrdbnam = parseFastVCS(); |
| 2148 | |
| 2149 | // SQLXCORNAME_m; PROTOCOL TYPE VCM; ENVLID 0x3E; Length Override 255 |
| 2150 | // SQLXCORNAME_s; PROTOCOL TYPE VCS; ENVLID 0x32; Length Override 255 |
| 2151 | String sqlxcorname = parseFastVCMorVCS(); |
| 2152 | |
| 2153 | // SQLXBASENAME_m; PROTOCOL TYPE VCM; ENVLID 0x3E; Length Override 255 |
| 2154 | // SQLXBASENAME_s; PROTOCOL TYPE VCS; ENVLID 0x32; Length Override 255 |
| 2155 | String sqlxbasename = parseFastVCMorVCS(); |
| 2156 | |
| 2157 | // SQLXSCHEMA_m; PROTOCOL TYPE VCM; ENVLID 0x3E; Length Override 255 |
| 2158 | // SQLXSCHEMA_s; PROTOCOL TYPE VCS; ENVLID 0x32; Length Override 255 |
| 2159 | String sqlxschema = parseFastVCMorVCS(); |
| 2160 | |
| 2161 | // SQLXNAME_m; PROTOCOL TYPE VCM; ENVLID 0x3E; Length Override 255 |
| 2162 | // SQLXNAME_s; PROTOCOL TYPE VCS; ENVLID 0x32; Length Override 255 |
| 2163 | String sqlxname = parseFastVCMorVCS(); |
| 2164 | |
| 2165 | if (columnMetaData.sqlxKeymem_ == null) { |
| 2166 | columnMetaData.sqlxKeymem_ = new short[columnMetaData.columns_]; |
| 2167 | } |
| 2168 | if (columnMetaData.sqlxGenerated_ == null) { |
| 2169 | columnMetaData.sqlxGenerated_ = new short[columnMetaData.columns_]; |
| 2170 | } |
| 2171 | if (columnMetaData.sqlxParmmode_ == null) { |
| 2172 | columnMetaData.sqlxParmmode_ = new short[columnMetaData.columns_]; |
| 2173 | } |
| 2174 | if (columnMetaData.sqlxCorname_ == null) { |
| 2175 | columnMetaData.sqlxCorname_ = new String[columnMetaData.columns_]; |
| 2176 | } |
| 2177 | if (columnMetaData.sqlxName_ == null) { |
| 2178 | columnMetaData.sqlxName_ = new String[columnMetaData.columns_]; |
| 2179 | } |
| 2180 | if (columnMetaData.sqlxBasename_ == null) { |
| 2181 | columnMetaData.sqlxBasename_ = new String[columnMetaData.columns_]; |
| 2182 | } |
| 2183 | if (columnMetaData.sqlxUpdatable_ == null) { |
| 2184 | columnMetaData.sqlxUpdatable_ = new int[columnMetaData.columns_]; |
| 2185 | } |
| 2186 | if (columnMetaData.sqlxSchema_ == null) { |
| 2187 | columnMetaData.sqlxSchema_ = new String[columnMetaData.columns_]; |
| 2188 | } |
| 2189 | if (columnMetaData.sqlxRdbnam_ == null) { |
| 2190 | columnMetaData.sqlxRdbnam_ = new String[columnMetaData.columns_]; |
| 2191 | } |
| 2192 | |
| 2193 | columnMetaData.sqlxKeymem_[column] = sqlxkeymem; |
| 2194 | columnMetaData.sqlxGenerated_[column] = sqlxgenerated; |
| 2195 | columnMetaData.sqlxParmmode_[column] = sqlxparmmode; |
| 2196 | columnMetaData.sqlxCorname_[column] = sqlxcorname; |
| 2197 | columnMetaData.sqlxName_[column] = sqlxname; |
| 2198 | columnMetaData.sqlxBasename_[column] = sqlxbasename; |
| 2199 | columnMetaData.sqlxUpdatable_[column] = sqlxupdateable; |
| 2200 | columnMetaData.sqlxSchema_[column] = (sqlxschema == null) ? columnMetaData.sqldSchema_ : sqlxschema; |
| 2201 | columnMetaData.sqlxRdbnam_[column] = (sqlxrdbnam == null) ? columnMetaData.sqldRdbnam_ : sqlxrdbnam; |
| 2202 | } |
| 2203 | |
| 2204 | // SQLDHGRP : EARLY FDOCA GROUP |
| 2205 | // SQL Descriptor Header Group Description |
| 2206 | // |
| 2207 | // FORMAT FOR SQLAM >= 7 |
| 2208 | // SQLDHOLD; PROTOCOL TYPE I2; ENVLID 0x04; Length Override 2 |
| 2209 | // SQLDRETURN; PROTOCOL TYPE I2; ENVLID 0x04; Length Override 2 |
| 2210 | // SQLDSCROLL; PROTOCOL TYPE I2; ENVLID 0x04; Length Override 2 |
| 2211 | // SQLDSENSITIVE; PROTOCOL TYPE I2; ENVLID 0x04; Length Override 2 |
| 2212 | // SQLDFCODE; PROTOCOL TYPE I2; ENVLID 0x04; Length Override 2 |
| 2213 | // SQLDKEYTYPE; PROTOCOL TYPE I2; ENVLID 0x04; Length Override 2 |
| 2214 | // SQLDRDBNAM; PROTOCOL TYPE VCS; ENVLID 0x32; Length Override 255 |
| 2215 | // SQLDSCHEMA_m; PROTOCOL TYPE VCM; ENVLID 0x3E; Length Override 255 |
| 2216 | // SQLDSCHEMA_s; PROTOCOL TYPE VCS; ENVLID 0x32; Length Override 255 |
| 2217 | private void parseSQLDHGRP(ColumnMetaData columnMetaData) throws DisconnectException { |
| 2218 | if (readFastUnsignedByte() == CodePoint.NULLDATA) { |
| 2219 | return; |
| 2220 | } |
| 2221 | |
| 2222 | |
| 2223 | // SQLDHOLD; PROTOCOL TYPE I2; ENVLID 0x04; Length Override 2 |
| 2224 | short sqldhold = readFastShort(); |
| 2225 | |
| 2226 | // SQLDRETURN; PROTOCOL TYPE I2; ENVLID 0x04; Length Override 2 |
| 2227 | short sqldreturn = readFastShort(); |
| 2228 | |
| 2229 | // SQLDSCROLL; PROTOCOL TYPE I2; ENVLID 0x04; Length Override 2 |
| 2230 | short sqldscroll = readFastShort(); |
| 2231 | |
| 2232 | // SQLDSENSITIVE; PROTOCOL TYPE I2; ENVLID 0x04; Length Override 2 |
| 2233 | short sqldsensitive = readFastShort(); |
| 2234 | |
| 2235 | // SQLDFCODE; PROTOCOL TYPE I2; ENVLID 0x04; Length Override 2 |
| 2236 | short sqldfcode = readFastShort(); |
| 2237 | |
| 2238 | // SQLDKEYTYPE; PROTOCOL TYPE I2; ENVLID 0x04; Length Override 2 |
| 2239 | short sqldkeytype = readFastShort(); |
| 2240 | |
| 2241 | // SQLDRDBNAM; PROTOCOL TYPE VCS; ENVLID 0x32; Length Override 255 |
| 2242 | String sqldrdbnam = parseFastVCS(); |
| 2243 | |
| 2244 | // SQLDSCHEMA_m; PROTOCOL TYPE VCM; ENVLID 0x3E; Length Override 255 |
| 2245 | // SQLDSCHEMA_s; PROTOCOL TYPE VCS; ENVLID 0x32; Length Override 255 |
| 2246 | String sqldschema = parseFastVCMorVCS(); |
| 2247 | |
| 2248 | columnMetaData.sqldHold_ = sqldhold; |
| 2249 | columnMetaData.sqldReturn_ = sqldreturn; |
| 2250 | columnMetaData.sqldScroll_ = sqldscroll; |
| 2251 | columnMetaData.sqldSensitive_ = sqldsensitive; |
| 2252 | columnMetaData.sqldFcode_ = sqldfcode; |
| 2253 | columnMetaData.sqldKeytype_ = sqldkeytype; |
| 2254 | columnMetaData.sqldRdbnam_ = sqldrdbnam; |
| 2255 | columnMetaData.sqldSchema_ = sqldschema; |
| 2256 | } |
| 2257 | |
| 2258 | // SQLRSGRP : EARLY FDOCA GROUP |
| 2259 | // SQL Result Set Group Description |
| 2260 | // |
| 2261 | // FORMAT FOR SQLAM >= 7 |
| 2262 | // SQLRSLOCATOR; PROTOCOL TYPE RSL; ENVLID 0x14; Length Override 4 |
| 2263 | // SQLRSNAME_m; PROTOCOL TYPE VCM; ENVLID 0x3E; Length Override 255 |
| 2264 | // SQLRSNAME_s; PROTOCOL TYPE VCS; ENVLID 0x32; Length Override 255 |
| 2265 | // SQLRSNUMROWS; PROTOCOL TYPE I4; ENVLID 0x02; Length Override 4 |
| 2266 | private void parseSQLRSGRP(Section section) throws DisconnectException { |
| 2267 | |
| 2268 | int rsLocator = readInt(); |
| 2269 | String rsName = parseVCMorVCS(); // ignore length change bt SQLAM 6 and 7 |
| 2270 | int rsNumRows = readInt(); |
| 2271 | // currently rsLocator and rsNumRows are not being used. |
| 2272 | section.setCursorName(rsName); |
| 2273 | } |
| 2274 | |
| 2275 | |
| 2276 | // this is duplicated in parseColumnMetaData, but different |
| 2277 | // DAGroup under NETColumnMetaData requires a lot more stuffs including |
| 2278 | // precsion, scale and other stuffs |
| 2279 | private String parseFastVCMorVCS() throws DisconnectException { |
| 2280 | String stringToBeSet = null; |
| 2281 | |
| 2282 | int vcm_length = readFastUnsignedShort(); |
| 2283 | if (vcm_length > 0) { |
| 2284 | stringToBeSet = readFastString(vcm_length, netAgent_.targetTypdef_.getCcsidMbcEncoding()); |
| 2285 | } |
| 2286 | int vcs_length = readFastUnsignedShort(); |
| 2287 | if (vcm_length > 0 && vcs_length > 0) { |
| 2288 | agent_.accumulateChainBreakingReadExceptionAndThrow(new DisconnectException(agent_, |
| 2289 | new ClientMessageId(SQLState.NET_VCM_VCS_LENGTHS_INVALID))); |
| 2290 | } else if (vcs_length > 0) { |
| 2291 | stringToBeSet = readFastString(vcs_length, netAgent_.targetTypdef_.getCcsidSbcEncoding()); |
| 2292 | } |
| 2293 | |
| 2294 | return stringToBeSet; |
| 2295 | } |
| 2296 | |
| 2297 | private String parseVCMorVCS() throws DisconnectException { |
| 2298 | String stringToBeSet = null; |
| 2299 | |
| 2300 | int vcm_length = readUnsignedShort(); |
| 2301 | if (vcm_length > 0) { |
| 2302 | stringToBeSet = readString(vcm_length, netAgent_.targetTypdef_.getCcsidMbcEncoding()); |
| 2303 | } |
| 2304 | int vcs_length = readUnsignedShort(); |
| 2305 | if (vcm_length > 0 && vcs_length > 0) { |
| 2306 | agent_.accumulateChainBreakingReadExceptionAndThrow(new DisconnectException(agent_, |
| 2307 | new ClientMessageId(SQLState.NET_VCM_VCS_LENGTHS_INVALID))); |
| 2308 | } else if (vcs_length > 0) { |
| 2309 | stringToBeSet = readString(vcs_length, netAgent_.targetTypdef_.getCcsidSbcEncoding()); |
| 2310 | } |
| 2311 | |
| 2312 | return stringToBeSet; |
| 2313 | } |
| 2314 | |
| 2315 | //----------------------non-parsing computational helper methods-------------- |
| 2316 | private int calculateResultSetType(int qryattscr, int qryattsns, int defaultType) { |
| 2317 | // We are passing in defaultType "FOWARD_ONLY", in case desired type |
| 2318 | // cannot be obtained,we don't want to set the type to Statement's type, |
| 2319 | // but we will set it to the default. |
| 2320 | |
| 2321 | if (qryattscr == 0xF0) { |
| 2322 | return java.sql.ResultSet.TYPE_FORWARD_ONLY; |
| 2323 | } |
| 2324 | |
| 2325 | switch (qryattsns) { |
| 2326 | case CodePoint.QRYINS: |
| 2327 | return java.sql.ResultSet.TYPE_SCROLL_INSENSITIVE; |
| 2328 | default: |
| 2329 | return defaultType; |
| 2330 | } |
| 2331 | } |
| 2332 | |
| 2333 | private int calculateResultSetConcurrency(int qryattupd, int defaultConcurrency) { |
| 2334 | // QRYATTUPD does come back for forward-only cursors if the desired concurrency cannot be |
| 2335 | // obtained, in which case we don't want to set the concurrency to the default, but |
| 2336 | // we want to set it to the actual concurrency. |
| 2337 | switch (qryattupd) { |
| 2338 | case CodePoint.QRYRDO: |
| 2339 | return java.sql.ResultSet.CONCUR_READ_ONLY; |
| 2340 | case CodePoint.QRYUPD: |
| 2341 | return java.sql.ResultSet.CONCUR_UPDATABLE; |
| 2342 | default: |
| 2343 | return defaultConcurrency; |
| 2344 | } |
| 2345 | } |
| 2346 | |
| 2347 | private int calculateResultSetHoldability(int sqlcsrhld) { |
| 2348 | if (sqlcsrhld == 0xF0) { |
| 2349 | return JDBC30Translation.CLOSE_CURSORS_AT_COMMIT; |
| 2350 | } else { |
| 2351 | return JDBC30Translation.HOLD_CURSORS_OVER_COMMIT; |
| 2352 | } |
| 2353 | } |
| 2354 | |
| 2355 | private int parseSQLDTAGRPdataLabelsAndUpdateColumn(NetCursor cursor, int columnIndex, int tripletLength) |
| 2356 | throws DisconnectException { |
| 2357 | int numColumns = (tripletLength - 3) / 3; |
| 2358 | for (int i = columnIndex; i < columnIndex + numColumns; i++) { |
| 2359 | cursor.qrydscTypdef_.updateColumn(cursor, i, readFastUnsignedByte(), readFastUnsignedShort()); |
| 2360 | } |
| 2361 | return numColumns; |
| 2362 | } |
| 2363 | |
| 2364 | |
| 2365 | private String parseSQLSTT() throws DisconnectException { |
| 2366 | parseLengthAndMatchCodePoint(CodePoint.SQLSTT); |
| 2367 | return parseSQLSTTGRP(); |
| 2368 | } |
| 2369 | |
| 2370 | private String parseSQLSTTGRP() throws DisconnectException { |
| 2371 | int mixedNullInd = readUnsignedByte(); |
| 2372 | int singleNullInd = 0; |
| 2373 | String sqlsttString = null; |
| 2374 | int stringLength = 0; |
| 2375 | |
| 2376 | if (mixedNullInd == CodePoint.NULLDATA) { |
| 2377 | singleNullInd = readUnsignedByte(); |
| 2378 | if (singleNullInd == CodePoint.NULLDATA) { |
| 2379 | // throw DTAMCHRM |
| 2380 | doDtamchrmSemantics(); |
| 2381 | } |
| 2382 | // read 4-byte length |
| 2383 | stringLength = readInt(); |
| 2384 | // read sqlstt string |
| 2385 | sqlsttString = readString(stringLength, netAgent_.targetTypdef_.getCcsidSbcEncoding()); |
| 2386 | } else { |
| 2387 | // read 4-byte length |
| 2388 | stringLength = readInt(); |
| 2389 | // read sqlstt string |
| 2390 | sqlsttString = readString(stringLength, netAgent_.targetTypdef_.getCcsidMbcEncoding()); |
| 2391 | // read null indicator |
| 2392 | singleNullInd = readUnsignedByte(); |
| 2393 | } |
| 2394 | return sqlsttString; |
| 2395 | } |
| 2396 | |
| 2397 | public void readSetSpecialRegister(StatementCallbackInterface statement) throws DisconnectException { |
| 2398 | startSameIdChainParse(); |
| 2399 | parseEXCSQLSETreply(statement); |
| 2400 | endOfSameIdChainData(); |
| 2401 | } |
| 2402 | } |
| 2403 | |
| 2404 | |
| 2405 | |
| 2406 | |