HHH-17982 Implement some JPA 3.2 methods

hibernate-core/src/main/java/org/hibernate/query/hql/internal/SemanticQueryBuilder.java

@@ -276,39 +276,37 @@ import static org.hibernate.type.spi.TypeConfiguration.isJdbcTemporalType;
 public class SemanticQueryBuilder<R> extends HqlParserBaseVisitor<Object> implements SqmCreationState {
 
 	private static final Logger log = Logger.getLogger( SemanticQueryBuilder.class );
-	private static final Set<String> JPA_STANDARD_FUNCTIONS;
+	private static final Set<String> JPA_STANDARD_FUNCTIONS = Set.of(
+			"avg",
+			"max",
+			"min",
+			"sum",
+			"count",
+			"length",
+			"locate",
+			"abs",
+			"sqrt",
+			"mod",
+			"size",
+			"index",
+			"current_date",
+			"current_time",
+			"current_timestamp",
+			"concat",
+			"substring",
+			"trim",
+			"lower",
+			"upper",
+			"coalesce",
+			"nullif",
+			"left",
+			"right",
+			"replace"
+	);
 
 	private static final BasicTypeImpl<Object> OBJECT_BASIC_TYPE =
 			new BasicTypeImpl<>( new UnknownBasicJavaType<>(Object.class), ObjectJdbcType.INSTANCE );
 
-	static {
-		final Set<String> jpaStandardFunctions = new HashSet<>();
-		// Extracted from the BNF in JPA spec 4.14.
-		jpaStandardFunctions.add( "avg" );
-		jpaStandardFunctions.add( "max" );
-		jpaStandardFunctions.add( "min" );
-		jpaStandardFunctions.add( "sum" );
-		jpaStandardFunctions.add( "count" );
-		jpaStandardFunctions.add( "length" );
-		jpaStandardFunctions.add( "locate" );
-		jpaStandardFunctions.add( "abs" );
-		jpaStandardFunctions.add( "sqrt" );
-		jpaStandardFunctions.add( "mod" );
-		jpaStandardFunctions.add( "size" );
-		jpaStandardFunctions.add( "index" );
-		jpaStandardFunctions.add( "current_date" );
-		jpaStandardFunctions.add( "current_time" );
-		jpaStandardFunctions.add( "current_timestamp" );
-		jpaStandardFunctions.add( "concat" );
-		jpaStandardFunctions.add( "substring" );
-		jpaStandardFunctions.add( "trim" );
-		jpaStandardFunctions.add( "lower" );
-		jpaStandardFunctions.add( "upper" );
-		jpaStandardFunctions.add( "coalesce" );
-		jpaStandardFunctions.add( "nullif" );
-		JPA_STANDARD_FUNCTIONS = jpaStandardFunctions;
-	}
-
 	/**
 	 * Main entry point into analysis of HQL/JPQL parse tree - producing
 	 * a semantic model of the query.
@@ -1073,11 +1071,6 @@ public class SemanticQueryBuilder<R> extends HqlParserBaseVisitor<Object> implem
 		else {
 			firstIndex = 0;
 		}
-		if ( creationOptions.useStrictJpaCompliance() ) {
-			throw new StrictJpaComplianceViolation(
-					StrictJpaComplianceViolation.Type.SET_OPERATIONS
-			);
-		}
 		final SqmQueryPart<?> firstQueryPart = (SqmQueryPart<?>) children.get( firstIndex ).accept( this );
 		SqmQueryGroup<?> queryGroup;
 		if ( firstQueryPart instanceof SqmQueryGroup<?>) {

hibernate-core/src/main/java/org/hibernate/query/sqm/internal/SqmCriteriaNodeBuilder.java

@@ -427,7 +427,13 @@ public class SqmCriteriaNodeBuilder implements NodeBuilder, SqmCreationContext,
 
 	@Override
 	public <T> CriteriaSelect<T> unionAll(CriteriaSelect<? extends T> left, CriteriaSelect<? extends T> right) {
-		return null;
+		if ( left instanceof Subquery<?> ) {
+			assert right instanceof Subquery<?>;
+			//noinspection unchecked
+			return setOperation( SetOperator.UNION_ALL, (Subquery<T>) left, (Subquery<T>) right );
+		}
+		//noinspection unchecked
+		return setOperation( SetOperator.UNION_ALL, (JpaCriteriaQuery<T>) left, (JpaCriteriaQuery<T>) right );
 	}
 
 	@Override
@@ -437,12 +443,24 @@ public class SqmCriteriaNodeBuilder implements NodeBuilder, SqmCreationContext,
 
 	@Override
 	public <T> CriteriaSelect<T> except(CriteriaSelect<T> left, CriteriaSelect<?> right) {
-		return null;
+		if ( left instanceof Subquery<?> ) {
+			assert right instanceof Subquery<?>;
+			//noinspection unchecked
+			return setOperation( SetOperator.EXCEPT, (Subquery<T>) left, (Subquery<T>) right );
+		}
+		//noinspection unchecked
+		return setOperation( SetOperator.EXCEPT, (JpaCriteriaQuery<T>) left, (JpaCriteriaQuery<T>) right );
 	}
 
 	@Override
 	public <T> CriteriaSelect<T> exceptAll(CriteriaSelect<T> left, CriteriaSelect<?> right) {
-		return null;
+		if ( left instanceof Subquery<?> ) {
+			assert right instanceof Subquery<?>;
+			//noinspection unchecked
+			return setOperation( SetOperator.EXCEPT_ALL, (Subquery<T>) left, (Subquery<T>) right );
+		}
+		//noinspection unchecked
+		return setOperation( SetOperator.EXCEPT_ALL, (JpaCriteriaQuery<T>) left, (JpaCriteriaQuery<T>) right );
 	}
 
 	@Override
@@ -588,12 +606,24 @@ public class SqmCriteriaNodeBuilder implements NodeBuilder, SqmCreationContext,
 
 	@Override
 	public <T> CriteriaSelect<T> intersect(CriteriaSelect<? super T> left, CriteriaSelect<? super T> right) {
-		return null;
+		if ( left instanceof Subquery<?> ) {
+			assert right instanceof Subquery<?>;
+			//noinspection unchecked
+			return setOperation( SetOperator.INTERSECT, (Subquery<T>) left, (Subquery<T>) right );
+		}
+		//noinspection unchecked
+		return setOperation( SetOperator.INTERSECT, (JpaCriteriaQuery<T>) left, (JpaCriteriaQuery<T>) right );
 	}
 
 	@Override
 	public <T> CriteriaSelect<T> intersectAll(CriteriaSelect<? super T> left, CriteriaSelect<? super T> right) {
-		return null;
+		if ( left instanceof Subquery<?> ) {
+			assert right instanceof Subquery<?>;
+			//noinspection unchecked
+			return setOperation( SetOperator.INTERSECT_ALL, (Subquery<T>) left, (Subquery<T>) right );
+		}
+		//noinspection unchecked
+		return setOperation( SetOperator.INTERSECT_ALL, (JpaCriteriaQuery<T>) left, (JpaCriteriaQuery<T>) right );
 	}
 
 	@SuppressWarnings({ "rawtypes", "unchecked" })
@@ -1614,6 +1644,16 @@ public class SqmCriteriaNodeBuilder implements NodeBuilder, SqmCreationContext,
 		return new JpaCriteriaParameter<>( name, parameterType, notBasic, this );
 	}
 
+	@Override
+	public SqmExpression<String> concat(List<Expression<String>> expressions) {
+		//noinspection unchecked
+		return getFunctionDescriptor( "concat" ).generateSqmExpression(
+				(List<? extends SqmTypedNode<?>>) (List<?>) expressions,
+				null,
+				getQueryEngine()
+		);
+	}
+
 	@Override
 	public SqmExpression<String> concat(Expression<String> x, Expression<String> y) {
 		final SqmExpression<String> xSqmExpression = (SqmExpression<String>) x;
@@ -1918,11 +1958,6 @@ public class SqmCriteriaNodeBuilder implements NodeBuilder, SqmCreationContext,
 				);
 	}
 
-	@Override
-	public <N, T extends Temporal> SqmExpression<N> extract(TemporalField<N, T> field, Expression<T> temporal) {
-		return null;
-	}
-
 	@Override
 	public <T> SqmFunction<T> function(String name, Class<T> type, Expression<?>[] args) {
 		final BasicType<T> resultType = getTypeConfiguration().standardBasicTypeForJavaType( type );
@@ -2244,7 +2279,15 @@ public class SqmCriteriaNodeBuilder implements NodeBuilder, SqmCreationContext,
 
 	@Override
 	public SqmPredicate and(List<Predicate> restrictions) {
-		return null;
+		if ( restrictions == null || restrictions.isEmpty() ) {
+			return conjunction();
+		}
+
+		final List<SqmPredicate> predicates = new ArrayList<>( restrictions.size() );
+		for ( Predicate expression : restrictions ) {
+			predicates.add( (SqmPredicate) expression );
+		}
+		return new SqmJunctionPredicate( Predicate.BooleanOperator.AND, predicates, this );
 	}
 
 	@Override
@@ -2805,11 +2848,6 @@ public class SqmCriteriaNodeBuilder implements NodeBuilder, SqmCreationContext,
 		return not( like( x, pattern, escapeChar ) );
 	}
 
-	@Override
-	public SqmExpression<String> concat(List<Expression<String>> expressions) {
-		return null;
-	}
-
 	@Override
 	public SqmPredicate notIlike(Expression<String> x, Expression<String> pattern) {
 		return not( ilike( x, pattern ) );
@@ -2957,6 +2995,51 @@ public class SqmCriteriaNodeBuilder implements NodeBuilder, SqmCreationContext,
 		);
 	}
 
+	@Override
+	public <N, T extends Temporal> SqmExpression<N> extract(TemporalField<N, T> field, Expression<T> temporal) {
+		Class<?> resultType = Integer.class;
+		final TemporalUnit temporalUnit;
+		switch ( field.toString() ) {
+			case "year":
+				temporalUnit = TemporalUnit.YEAR;
+				break;
+			case "quarter":
+				temporalUnit = TemporalUnit.QUARTER;
+				break;
+			case "month":
+				temporalUnit = TemporalUnit.MONTH;
+				break;
+			case "week":
+				temporalUnit = TemporalUnit.WEEK;
+				break;
+			case "day":
+				temporalUnit = TemporalUnit.DAY;
+				break;
+			case "hour":
+				temporalUnit = TemporalUnit.HOUR;
+				break;
+			case "minute":
+				temporalUnit = TemporalUnit.MINUTE;
+				break;
+			case "second":
+				temporalUnit = TemporalUnit.SECOND;
+				resultType = Double.class;
+				break;
+			case "date":
+				temporalUnit = TemporalUnit.DATE;
+				resultType = LocalDate.class;
+				break;
+			case "time":
+				temporalUnit = TemporalUnit.TIME;
+				resultType = LocalTime.class;
+				break;
+			default:
+				throw new IllegalArgumentException( "Invalid temporal field [" + field + "]" );
+		}
+		//noinspection unchecked
+		return extract( temporal, temporalUnit, (Class<N>) resultType );
+	}
+
 	private <T> SqmFunction<T> extract(
 			Expression<? extends TemporalAccessor> datetime,
 			TemporalUnit temporalUnit,

hibernate-core/src/main/java/org/hibernate/query/sqm/tree/select/SqmQuerySpec.java

@@ -355,11 +355,16 @@ public class SqmQuerySpec<T> extends SqmQueryPart<T>
 
 	@Override
 	public SqmQuerySpec<T> setRestriction(Expression<Boolean> restriction) {
+		if ( restriction == null ) {
+			setWhereClause( null );
+		}
+		else {
 			SqmWhereClause whereClause = getWhereClause();
 			if ( whereClause == null ) {
 				setWhereClause( whereClause = new SqmWhereClause( nodeBuilder() ) );
 			}
 			whereClause.setPredicate( nodeBuilder().wrap( restriction ) );
+		}
 		return this;
 	}