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HHH-19261 - query hints in Oracle are not concatenated with comma's, but with spaces #10586

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Merged
merged 1 commit into from
Jul 18, 2025
+28 −2
Merged

HHH-19261 - query hints in Oracle are not concatenated with comma's, but with spaces #10586

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14 changes: 14 additions & 0 deletions ...community-dialects/src/main/java/org/hibernate/community/dialect/OracleLegacyDialect.java
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Original file line number Diff line number Diff line change
Expand Up @@ -13,6 +13,7 @@
import java.sql.Types;
import java.time.temporal.ChronoField;
import java.time.temporal.TemporalAccessor;
import java.util.List;
import java.util.Locale;
import java.util.TimeZone;
import java.util.regex.Matcher;
Expand Down Expand Up @@ -109,7 +110,9 @@

import jakarta.persistence.TemporalType;

import static java.lang.String.join;
import static org.hibernate.exception.spi.TemplatedViolatedConstraintNameExtractor.extractUsingTemplate;
import static org.hibernate.internal.util.StringHelper.isEmpty;
import static org.hibernate.query.sqm.TemporalUnit.DAY;
import static org.hibernate.query.sqm.TemporalUnit.HOUR;
import static org.hibernate.query.sqm.TemporalUnit.MINUTE;
Expand Down Expand Up @@ -1109,6 +1112,17 @@ public boolean useFollowOnLocking(String sql, QueryOptions queryOptions) {
);
}

@Override
public String getQueryHintString(String query, List<String> hintList) {
if ( hintList.isEmpty() ) {
return query;
}
else {
final String hints = join( " ", hintList );
return isEmpty( hints ) ? query : getQueryHintString( query, hints );
}
}

@Override
public String getQueryHintString(String sql, String hints) {
final String statementType = statementType( sql );
Expand Down
14 changes: 13 additions & 1 deletion hibernate-core/src/main/java/org/hibernate/dialect/OracleDialect.java
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Original file line number Diff line number Diff line change
Expand Up @@ -13,6 +13,7 @@
import java.sql.Types;
import java.time.temporal.ChronoField;
import java.time.temporal.TemporalAccessor;
import java.util.List;
import java.util.TimeZone;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
Expand Down Expand Up @@ -81,7 +82,6 @@
import org.hibernate.type.StandardBasicTypes;
import org.hibernate.type.descriptor.java.PrimitiveByteArrayJavaType;
import org.hibernate.type.descriptor.jdbc.AggregateJdbcType;
import org.hibernate.type.descriptor.jdbc.ArrayJdbcType;
import org.hibernate.type.descriptor.jdbc.BlobJdbcType;
import org.hibernate.type.descriptor.jdbc.JdbcType;
import org.hibernate.type.descriptor.jdbc.NullJdbcType;
Expand All @@ -94,6 +94,7 @@

import jakarta.persistence.TemporalType;

import static java.lang.String.join;
import static java.util.regex.Pattern.CASE_INSENSITIVE;
import static org.hibernate.LockOptions.NO_WAIT;
import static org.hibernate.LockOptions.SKIP_LOCKED;
Expand Down Expand Up @@ -1119,6 +1120,17 @@ public boolean useFollowOnLocking(String sql, QueryOptions queryOptions) {
|| queryOptions.hasLimit() && queryOptions.getLimit().getFirstRow() != null;
}

@Override
public String getQueryHintString(String query, List<String> hintList) {
if ( hintList.isEmpty() ) {
return query;
}
else {
final String hints = join( " ", hintList );
return isEmpty( hints ) ? query : getQueryHintString( query, hints );
}
}

@Override
public String getQueryHintString(String sql, String hints) {
final String statementType = statementType( sql );
Expand Down
2 changes: 1 addition & 1 deletion hibernate-core/src/test/java/org/hibernate/orm/test/queryhint/OracleQueryHintTest.java
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Expand Up @@ -96,7 +96,7 @@ public void testQueryHint(SessionFactoryScope scope) {
} );

statementInspector.assertExecutedCount( 1 );
assertTrue( statementInspector.getSqlQueries().get( 0 ).contains( "select /*+ ALL_ROWS, USE_CONCAT */" ) );
assertTrue( statementInspector.getSqlQueries().get( 0 ).contains( "select /*+ ALL_ROWS USE_CONCAT */" ) );
statementInspector.clear();

// ensure the insertion logic can handle a comment appended to the front
Expand Down