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HHH-15046: db2 version override for SQLAstTranslator

This commit is contained in:
Atgoogat 2022-01-24 13:36:48 +01:00 committed by Christian Beikov
parent 706bd15222
commit 77ea0c7c1f
3 changed files with 15 additions and 10 deletions
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16
hibernate-core/src/main/java/org/hibernate/dialect/DB2SqlAstTranslator.java
View File

@ -51,7 +51,7 @@ public class DB2SqlAstTranslator<T extends JdbcOperation> extends AbstractSqlAst
@Override
public void visitBooleanExpressionPredicate(BooleanExpressionPredicate booleanExpressionPredicate) {
if ( getDialectVersion().isSameOrAfter( 11 ) ) {
if ( getDB2Version().isSameOrAfter( 11 ) ) {
booleanExpressionPredicate.getExpression().accept( this );
}
else {
@ -132,12 +132,12 @@ public class DB2SqlAstTranslator<T extends JdbcOperation> extends AbstractSqlAst
// Check if current query part is already row numbering to avoid infinite recursion
return getQueryPartForRowNumbering() != queryPart && (
useOffsetFetchClause( queryPart ) && !isRowsOnlyFetchClauseType( queryPart )
|| getDialectVersion().isBefore( 11, 1 ) && ( queryPart.isRoot() && hasLimit() || !( queryPart.getFetchClauseExpression() instanceof Literal ) )
|| getDB2Version().isBefore( 11, 1 ) && ( queryPart.isRoot() && hasLimit() || !( queryPart.getFetchClauseExpression() instanceof Literal ) )
);
}
protected boolean supportsOffsetClause() {
return getDialectVersion().isSameOrAfter( 11, 1 );
return getDB2Version().isSameOrAfter( 11, 1 );
}
@Override
@ -228,7 +228,7 @@ public class DB2SqlAstTranslator<T extends JdbcOperation> extends AbstractSqlAst
@Override
protected void renderComparison(Expression lhs, ComparisonOperator operator, Expression rhs) {
if ( getDialectVersion().isSameOrAfter( 11, 1 ) ) {
if ( getDB2Version().isSameOrAfter( 11, 1 ) ) {
renderComparisonStandard( lhs, operator, rhs );
}
else {
@ -296,12 +296,8 @@ public class DB2SqlAstTranslator<T extends JdbcOperation> extends AbstractSqlAst
// For DB2 we use #renderReturningClause to render a wrapper around the DML statement
}
private DatabaseVersion getDialectVersion() {
final var dialect = getDialect();
if (dialect instanceof DB2Dialect) {
return ((DB2Dialect) dialect).getDB2Version();
}
return dialect.getVersion();
public DatabaseVersion getDB2Version() {
return this.getDialect().getVersion();
}
}

4
hibernate-core/src/main/java/org/hibernate/dialect/DB2iSqlAstTranslator.java
View File

@ -48,4 +48,8 @@ public class DB2iSqlAstTranslator<T extends JdbcOperation> extends DB2SqlAstTran
renderComparisonStandard( lhs, operator, rhs );
}
@Override
public DatabaseVersion getDB2Version() {
return DatabaseVersion.make(9, 0);
}
}

5
hibernate-core/src/main/java/org/hibernate/dialect/DB2zSqlAstTranslator.java
View File

@ -75,4 +75,9 @@ public class DB2zSqlAstTranslator<T extends JdbcOperation> extends DB2SqlAstTran
append( CLOSE_PARENTHESIS );
renderDerivedTableReference( tableReference );
}
@Override
public DatabaseVersion getDB2Version() {
return DatabaseVersion.make(9, 0);
}
}