HHH-7298 seems DB2 do not support set lock timeout from statement level

This commit is contained in:
Strong Liu 2012-06-01 17:31:43 +08:00
parent 0996a970ab
commit c02de61f24
1 changed files with 48 additions and 39 deletions

View File

@ -176,67 +176,67 @@ public class DB2Dialect extends Dialect {
getDefaultProperties().setProperty( Environment.STATEMENT_BATCH_SIZE, NO_BATCH );
}
@Override
public String getLowercaseFunction() {
return "lcase";
}
@Override
public String getAddColumnString() {
return "add column";
}
@Override
public boolean dropConstraints() {
return false;
}
@Override
public boolean supportsIdentityColumns() {
return true;
}
@Override
public String getIdentitySelectString() {
return "values identity_val_local()";
}
@Override
public String getIdentityColumnString() {
return "generated by default as identity"; //not null ... (start with 1) is implicit
}
@Override
public String getIdentityInsertString() {
return "default";
}
@Override
public String getSequenceNextValString(String sequenceName) {
return "values nextval for " + sequenceName;
}
@Override
public String getCreateSequenceString(String sequenceName) {
return "create sequence " + sequenceName;
}
@Override
public String getDropSequenceString(String sequenceName) {
return "drop sequence " + sequenceName + " restrict";
}
@Override
public boolean supportsSequences() {
return true;
}
@Override
public boolean supportsPooledSequences() {
return true;
}
@Override
public String getQuerySequencesString() {
return "select seqname from sysibm.syssequences";
}
@Override
public boolean supportsLimit() {
return true;
}
@Override
public boolean supportsVariableLimit() {
return false;
}
@Override
public String getLimitString(String sql, int offset, int limit) {
if ( offset == 0 ) {
return sql + " fetch first " + limit + " rows only";
@ -262,30 +262,36 @@ public class DB2Dialect extends Dialect {
*
* @return zeroBasedFirstResult
*/
@Override
public int convertToFirstRowValue(int zeroBasedFirstResult) {
return zeroBasedFirstResult;
}
@Override
public String getForUpdateString() {
return " for read only with rs use and keep update locks";
}
@Override
public boolean useMaxForLimit() {
return true;
}
@Override
public boolean supportsOuterJoinForUpdate() {
return false;
}
@Override
public boolean supportsNotNullUnique() {
return false;
}
@Override
public boolean supportsExistsInSelect() {
return false;
}
//as far as I know, DB2 doesn't support this
@Override
public boolean supportsLockTimeouts() {
return false;
}
@Override
public String getSelectClauseNullString(int sqlType) {
String literal;
switch ( sqlType ) {
@ -326,15 +332,15 @@ public class DB2Dialect extends Dialect {
)
);
}
@Override
public boolean supportsUnionAll() {
return true;
}
@Override
public int registerResultSetOutParameter(CallableStatement statement, int col) throws SQLException {
return col;
}
@Override
public ResultSet getResultSet(CallableStatement ps) throws SQLException {
boolean isResultSet = ps.execute();
// This assumes you will want to ignore any update counts
@ -346,35 +352,35 @@ public class DB2Dialect extends Dialect {
// but you can't do it now or the ResultSet you just got will be closed
return rs;
}
@Override
public boolean supportsCommentOn() {
return true;
}
@Override
public boolean supportsTemporaryTables() {
return true;
}
@Override
public String getCreateTemporaryTableString() {
return "declare global temporary table";
}
@Override
public String getCreateTemporaryTablePostfix() {
return "not logged";
}
@Override
public String generateTemporaryTableName(String baseTableName) {
return "session." + super.generateTemporaryTableName( baseTableName );
}
@Override
public boolean supportsCurrentTimestampSelection() {
return true;
}
@Override
public String getCurrentTimestampSelectString() {
return "values current timestamp";
}
@Override
public boolean isCurrentTimestampSelectStringCallable() {
return false;
}
@ -387,6 +393,7 @@ public class DB2Dialect extends Dialect {
*
* @return True.
*/
@Override
public boolean supportsParametersInInsertSelect() {
return true;
}
@ -397,32 +404,34 @@ public class DB2Dialect extends Dialect {
*
* @return True.
*/
@Override
public boolean requiresCastingOfParametersInSelectClause() {
return true;
}
@Override
public boolean supportsResultSetPositionQueryMethodsOnForwardOnlyCursor() {
return false;
}
//DB2 v9.1 doesn't support 'cross join' syntax
//DB2 v9.1 doesn't support 'cross join' syntax
@Override
public String getCrossJoinSeparator() {
return ", ";
}
// Overridden informational metadata ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
@Override
public boolean supportsEmptyInList() {
return false;
}
@Override
public boolean supportsLobValueChangePropogation() {
return false;
}
@Override
public boolean doesReadCommittedCauseWritersToBlockReaders() {
return true;
}
@Override
public boolean supportsTupleDistinctCounts() {
return false;
}