HHH-19560 Remove TupleTransformer and ResultListTransformer from interpretation caching

Author: beikov

hibernate-core/src/main/java/org/hibernate/dialect/function/SqlFunction.java

@@ -5,16 +5,22 @@
 package org.hibernate.dialect.function;
 
 import java.util.List;
+import java.util.function.Supplier;
 
+import org.checkerframework.checker.nullness.qual.Nullable;
+import org.hibernate.metamodel.mapping.BasicValuedMapping;
 import org.hibernate.metamodel.model.domain.ReturnableType;
 import org.hibernate.query.sqm.function.AbstractSqmSelfRenderingFunctionDescriptor;
+import org.hibernate.query.sqm.produce.function.FunctionReturnTypeResolver;
 import org.hibernate.query.sqm.produce.function.StandardArgumentsValidators;
-import org.hibernate.query.sqm.produce.function.StandardFunctionReturnTypeResolvers;
+import org.hibernate.query.sqm.sql.SqmToSqlAstConverter;
+import org.hibernate.query.sqm.tree.SqmTypedNode;
 import org.hibernate.sql.ast.SqlAstTranslator;
 import org.hibernate.sql.ast.spi.SqlAppender;
 import org.hibernate.sql.ast.tree.SqlAstNode;
 import org.hibernate.sql.ast.tree.expression.QueryLiteral;
 import org.hibernate.type.JavaObjectType;
+import org.hibernate.type.spi.TypeConfiguration;
 
 /**
  * A function to pass through a SQL fragment.
@@ -28,7 +34,24 @@ public SqlFunction() {
 		super(
 				"sql",
 				StandardArgumentsValidators.min( 1 ),
-				StandardFunctionReturnTypeResolvers.invariant( JavaObjectType.INSTANCE ),
+				new FunctionReturnTypeResolver() {
+					@Override
+					public ReturnableType<?> resolveFunctionReturnType(
+							ReturnableType<?> impliedType,
+							@Nullable SqmToSqlAstConverter converter,
+							List<? extends SqmTypedNode<?>> arguments,
+							TypeConfiguration typeConfiguration) {
+						return impliedType != null
+								? impliedType
+								: typeConfiguration.getBasicTypeForJavaType( Object.class );
+					}
+
+					@Override
+					public BasicValuedMapping resolveFunctionReturnType(Supplier<BasicValuedMapping> impliedTypeAccess, List<? extends SqlAstNode> arguments) {
+						final BasicValuedMapping impliedType = impliedTypeAccess.get();
+						return impliedType != null ? impliedType : JavaObjectType.INSTANCE;
+					}
+				},
 				null
 		);
 	}

hibernate-core/src/main/java/org/hibernate/query/sql/internal/NativeQueryImpl.java

@@ -1005,9 +1005,7 @@ private SelectInterpretationsKey selectInterpretationsKey(ResultSetMapping resul
 		return new SelectInterpretationsKey(
 				getQueryString(),
 				resultSetMapping,
-				getSynchronizedQuerySpaces(),
-				getQueryOptions().getTupleTransformer(),
-				getQueryOptions().getResultListTransformer()
+				getSynchronizedQuerySpaces()
 		);
 	}
 

hibernate-core/src/main/java/org/hibernate/query/sql/spi/SelectInterpretationsKey.java

@@ -20,36 +20,36 @@ public class SelectInterpretationsKey implements QueryInterpretationCache.Key {
 	private final String sql;
 	private final JdbcValuesMappingProducer jdbcValuesMappingProducer;
 	private final Collection<String> querySpaces;
-	private final TupleTransformer<?> tupleTransformer;
-	private final ResultListTransformer<?> resultListTransformer;
 	private final int hash;
 
+	@Deprecated(forRemoval = true)
 	public SelectInterpretationsKey(
 			String sql,
 			JdbcValuesMappingProducer jdbcValuesMappingProducer,
 			Collection<String> querySpaces,
 			TupleTransformer<?> tupleTransformer,
 			ResultListTransformer<?> resultListTransformer) {
+		this( sql, jdbcValuesMappingProducer, querySpaces );
+	}
+
+	public SelectInterpretationsKey(
+			String sql,
+			JdbcValuesMappingProducer jdbcValuesMappingProducer,
+			Collection<String> querySpaces) {
 		this.sql = sql;
 		this.jdbcValuesMappingProducer = jdbcValuesMappingProducer;
 		this.querySpaces = querySpaces;
-		this.tupleTransformer = tupleTransformer;
-		this.resultListTransformer = resultListTransformer;
 		this.hash = generateHashCode();
 	}
 
 	private SelectInterpretationsKey(
 			String sql,
 			JdbcValuesMappingProducer jdbcValuesMappingProducer,
 			Collection<String> querySpaces,
-			TupleTransformer<?> tupleTransformer,
-			ResultListTransformer<?> resultListTransformer,
 			int hash) {
 		this.sql = sql;
 		this.jdbcValuesMappingProducer = jdbcValuesMappingProducer;
 		this.querySpaces = querySpaces;
-		this.tupleTransformer = tupleTransformer;
-		this.resultListTransformer = resultListTransformer;
 		this.hash = hash;
 	}
 
@@ -64,8 +64,6 @@ public QueryInterpretationCache.Key prepareForStore() {
 				sql,
 				jdbcValuesMappingProducer.cacheKeyInstance(),
 				new HashSet<>( querySpaces ),
-				tupleTransformer,
-				resultListTransformer,
 				hash
 		);
 	}
@@ -89,8 +87,6 @@ public boolean equals(Object o) {
 		}
 		return sql.equals( that.sql )
 			&& Objects.equals( jdbcValuesMappingProducer, that.jdbcValuesMappingProducer )
-			&& Objects.equals( querySpaces, that.querySpaces )
-			&& Objects.equals( tupleTransformer, that.tupleTransformer )
-			&& Objects.equals( resultListTransformer, that.resultListTransformer );
+			&& Objects.equals( querySpaces, that.querySpaces );
 	}
 }

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

@@ -74,7 +74,6 @@
 public class ConcreteSqmSelectQueryPlan<R> implements SelectQueryPlan<R> {
 	private final SqmSelectStatement<?> sqm;
 	private final DomainParameterXref domainParameterXref;
-	private final RowTransformer<R> rowTransformer;
 	private final SqmInterpreter<Object, ResultsConsumer<?, R>> executeQueryInterpreter;
 	private final SqmInterpreter<List<R>, Void> listInterpreter;
 	private final SqmInterpreter<ScrollableResultsImplementor<R>, ScrollMode> scrollInterpreter;
@@ -91,8 +90,6 @@ public ConcreteSqmSelectQueryPlan(
 		this.sqm = sqm;
 		this.domainParameterXref = domainParameterXref;
 
-		this.rowTransformer = determineRowTransformer( sqm, resultType, tupleMetadata, queryOptions );
-
 		final ListResultsConsumer.UniqueSemantic uniqueSemantic =
 				sqm.producesUniqueResults() && !containsCollectionFetches( queryOptions )
 						? ListResultsConsumer.UniqueSemantic.NONE
@@ -117,7 +114,7 @@ public ConcreteSqmSelectQueryPlan(
 						jdbcSelect,
 						jdbcParameterBindings,
 						listInterpreterExecutionContext( hql, executionContext, jdbcSelect, subSelectFetchKeyHandler ),
-						rowTransformer,
+						determineRowTransformer( sqm, resultType, tupleMetadata, executionContext.getQueryOptions() ),
 						null,
 						resultCountEstimate,
 						resultsConsumer
@@ -149,7 +146,7 @@ public ConcreteSqmSelectQueryPlan(
 						jdbcSelect,
 						jdbcParameterBindings,
 						listInterpreterExecutionContext( hql, executionContext, jdbcSelect, subSelectFetchKeyHandler ),
-						rowTransformer,
+						determineRowTransformer( sqm, resultType, tupleMetadata, executionContext.getQueryOptions() ),
 						(Class<R>) executionContext.getResultType(),
 						uniqueSemantic,
 						resultCountEstimate
@@ -185,7 +182,7 @@ public ConcreteSqmSelectQueryPlan(
 						scrollMode,
 						jdbcParameterBindings,
 						new SqmJdbcExecutionContextAdapter( executionContext, jdbcSelect ),
-						rowTransformer,
+						determineRowTransformer( sqm, resultType, tupleMetadata, executionContext.getQueryOptions() ),
 						resultCountEstimate
 				);
 			}

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

@@ -9,8 +9,6 @@
 import java.util.Set;
 
 import org.hibernate.LockOptions;
-import org.hibernate.query.ResultListTransformer;
-import org.hibernate.query.TupleTransformer;
 import org.hibernate.query.spi.QueryInterpretationCache;
 import org.hibernate.query.sqm.spi.InterpretationsKeySource;
 
@@ -28,8 +26,6 @@ public static SqmInterpretationsKey createInterpretationsKey(InterpretationsKeyS
 					query.hashCode(),
 					keySource.getResultType(),
 					keySource.getQueryOptions().getLockOptions(),
-					keySource.getQueryOptions().getTupleTransformer(),
-					keySource.getQueryOptions().getResultListTransformer(),
 					memoryEfficientDefensiveSetCopy( keySource.getLoadQueryInfluencers().getEnabledFetchProfileNames() )
 			);
 		}
@@ -86,8 +82,6 @@ public static QueryInterpretationCache.Key generateNonSelectKey(InterpretationsK
 	private final Object query;
 	private final Class<?> resultType;
 	private final LockOptions lockOptions;
-	private final TupleTransformer<?> tupleTransformer;
-	private final ResultListTransformer<?> resultListTransformer;
 	private final Collection<String> enabledFetchProfiles;
 	private final int hashCode;
 
@@ -96,15 +90,11 @@ private SqmInterpretationsKey(
 			int hash,
 			Class<?> resultType,
 			LockOptions lockOptions,
-			TupleTransformer<?> tupleTransformer,
-			ResultListTransformer<?> resultListTransformer,
 			Collection<String> enabledFetchProfiles) {
 		this.query = query;
 		this.hashCode = hash;
 		this.resultType = resultType;
 		this.lockOptions = lockOptions;
-		this.tupleTransformer = tupleTransformer;
-		this.resultListTransformer = resultListTransformer;
 		this.enabledFetchProfiles = enabledFetchProfiles;
 	}
 
@@ -116,8 +106,6 @@ public QueryInterpretationCache.Key prepareForStore() {
 				resultType,
 				// Since lock options might be mutable, we need a copy for the cache key
 				lockOptions.makeDefensiveCopy(),
-				tupleTransformer,
-				resultListTransformer,
 				enabledFetchProfiles
 		);
 	}
@@ -139,8 +127,6 @@ public boolean equals(Object other) {
 			&& this.query.equals( that.query )
 			&& Objects.equals( this.resultType, that.resultType )
 			&& Objects.equals( this.lockOptions, that.lockOptions )
-			&& Objects.equals( this.tupleTransformer, that.tupleTransformer )
-			&& Objects.equals( this.resultListTransformer, that.resultListTransformer )
 			&& Objects.equals( this.enabledFetchProfiles, that.enabledFetchProfiles );
 	}