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HHH-15576 Emulation of tuple comparison produces a wrong SQL query for NOT EQUAL operator

This commit is contained in:
Andrea Boriero 2022-10-04 11:03:49 +02:00 committed by Andrea Boriero
parent b2e4348d62
commit 90b308511d
1 changed files with 13 additions and 2 deletions
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15
hibernate-core/src/main/java/org/hibernate/sql/ast/spi/AbstractSqlAstTranslator.java
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@ -1950,8 +1950,7 @@ public abstract class AbstractSqlAstTranslator<T extends JdbcOperation> implemen
} }
break; break;
} }
case EQUAL: case EQUAL: {
case NOT_EQUAL: {
final String operatorText = operator.sqlText(); final String operatorText = operator.sqlText();
String separator = NO_SEPARATOR; String separator = NO_SEPARATOR;
for ( int i = 0; i < size; i++ ) { for ( int i = 0; i < size; i++ ) {
@ -1963,6 +1962,18 @@ public abstract class AbstractSqlAstTranslator<T extends JdbcOperation> implemen
} }
break; break;
} }
case NOT_EQUAL: {
final String operatorText = operator.sqlText();
String separator = NO_SEPARATOR;
for ( int i = 0; i < size; i++ ) {
appendSql( separator );
lhsExpressions.get( i ).accept( this );
appendSql( operatorText );
rhsExpressions.get( i ).accept( this );
separator = " or ";
}
break;
}
case LESS_THAN_OR_EQUAL: case LESS_THAN_OR_EQUAL:
// Optimized (a, b) <= (1, 2) as: a <= 1 and not (a = 1 and b > 2) // Optimized (a, b) <= (1, 2) as: a <= 1 and not (a = 1 and b > 2)
// Normal (a, b) <= (1, 2) as: a < 1 or a = 1 and (b <= 2) // Normal (a, b) <= (1, 2) as: a < 1 or a = 1 and (b <= 2)