Examples with SqmParameterMappingModelResolutionAccess org.hibernate.query.sqm.spi.SqmParameterMappingModelResolutionAccess used on opensource projects

Example 1 with SqmParameterMappingModelResolutionAccess

use of org.hibernate.query.sqm.spi.SqmParameterMappingModelResolutionAccess in project hibernate-orm by hibernate.

the class CteInsertHandler method execute.

@Override
public int execute(DomainQueryExecutionContext executionContext) {
    final SqmInsertStatement<?> sqmInsertStatement = getSqmStatement();
    final SessionFactoryImplementor factory = executionContext.getSession().getFactory();
    final EntityPersister entityDescriptor = getEntityDescriptor().getEntityPersister();
    final String explicitDmlTargetAlias;
    if (sqmInsertStatement.getTarget().getExplicitAlias() == null) {
        explicitDmlTargetAlias = "dml_target";
    } else {
        explicitDmlTargetAlias = sqmInsertStatement.getTarget().getExplicitAlias();
    }
    final MultiTableSqmMutationConverter sqmConverter = new MultiTableSqmMutationConverter(entityDescriptor, sqmInsertStatement, sqmInsertStatement.getTarget(), explicitDmlTargetAlias, domainParameterXref, executionContext.getQueryOptions(), executionContext.getSession().getLoadQueryInfluencers(), executionContext.getQueryParameterBindings(), factory);
    final TableGroup insertingTableGroup = sqmConverter.getMutatingTableGroup();
    final Map<SqmParameter<?>, List<List<JdbcParameter>>> parameterResolutions;
    if (domainParameterXref.getSqmParameterCount() == 0) {
        parameterResolutions = Collections.emptyMap();
    } else {
        parameterResolutions = new IdentityHashMap<>();
    }
    // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    // visit the insertion target using our special converter, collecting
    // information about the target paths
    final int size = sqmStatement.getInsertionTargetPaths().size();
    final List<Map.Entry<SqmCteTableColumn, Assignment>> targetPathColumns = new ArrayList<>(size);
    final List<SqmCteTableColumn> targetPathSqmCteColumns = new ArrayList<>(size);
    final Map<SqmParameter<?>, MappingModelExpressible<?>> paramTypeResolutions = new LinkedHashMap<>();
    final NamedTableReference entityTableReference = new NamedTableReference(cteTable.getCteName(), TemporaryTable.DEFAULT_ALIAS, true, sessionFactory);
    final InsertStatement insertStatement = new InsertStatement(entityTableReference);
    final BaseSqmToSqlAstConverter.AdditionalInsertValues additionalInsertValues = sqmConverter.visitInsertionTargetPaths((assignable, columnReferences) -> {
        // Find a matching cte table column and set that at the current index
        for (SqmCteTableColumn column : cteTable.getColumns()) {
            if (column.getType() == ((Expression) assignable).getExpressionType()) {
                insertStatement.addTargetColumnReferences(columnReferences);
                targetPathSqmCteColumns.add(column);
                targetPathColumns.add(new AbstractMap.SimpleEntry<>(column, new Assignment(assignable, (Expression) assignable)));
                return;
            }
        }
        throw new IllegalStateException("Couldn't find matching cte column for: " + ((Expression) assignable).getExpressionType());
    }, sqmInsertStatement, entityDescriptor, insertingTableGroup, (sqmParameter, mappingType, jdbcParameters) -> {
        parameterResolutions.computeIfAbsent(sqmParameter, k -> new ArrayList<>(1)).add(jdbcParameters);
        paramTypeResolutions.put(sqmParameter, mappingType);
    });
    final boolean assignsId = targetPathSqmCteColumns.contains(cteTable.getColumns().get(0));
    // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    // Create the statement that represent the source for the entity cte
    final Stack<SqlAstProcessingState> processingStateStack = sqmConverter.getProcessingStateStack();
    final SqlAstProcessingState oldState = processingStateStack.pop();
    final Statement queryStatement;
    if (sqmInsertStatement instanceof SqmInsertSelectStatement) {
        final QueryPart queryPart = sqmConverter.visitQueryPart(((SqmInsertSelectStatement<?>) sqmInsertStatement).getSelectQueryPart());
        queryPart.visitQuerySpecs(querySpec -> {
            // in which case we will fill the row_number column instead of the id column
            if (additionalInsertValues.applySelections(querySpec, sessionFactory)) {
                final SqmCteTableColumn rowNumberColumn = cteTable.getColumns().get(cteTable.getColumns().size() - 1);
                final ColumnReference columnReference = new ColumnReference((String) null, rowNumberColumn.getColumnName(), false, null, null, (JdbcMapping) rowNumberColumn.getType(), sessionFactory);
                insertStatement.getTargetColumnReferences().set(insertStatement.getTargetColumnReferences().size() - 1, columnReference);
                targetPathSqmCteColumns.set(targetPathSqmCteColumns.size() - 1, rowNumberColumn);
            }
            if (!assignsId && entityDescriptor.getIdentifierGenerator() instanceof PostInsertIdentifierGenerator) {
                final BasicType<Integer> rowNumberType = sessionFactory.getTypeConfiguration().getBasicTypeForJavaType(Integer.class);
                querySpec.getSelectClause().addSqlSelection(new SqlSelectionImpl(1, 0, new Over<>(new SelfRenderingFunctionSqlAstExpression("row_number", (appender, args, walker) -> appender.appendSql("row_number()"), Collections.emptyList(), rowNumberType, rowNumberType), Collections.emptyList(), Collections.emptyList())));
            }
        });
        queryStatement = new SelectStatement(queryPart);
    } else {
        final List<SqmValues> sqmValuesList = ((SqmInsertValuesStatement<?>) sqmInsertStatement).getValuesList();
        final List<Values> valuesList = new ArrayList<>(sqmValuesList.size());
        for (SqmValues sqmValues : sqmValuesList) {
            final Values values = sqmConverter.visitValues(sqmValues);
            additionalInsertValues.applyValues(values);
            valuesList.add(values);
        }
        final QuerySpec querySpec = new QuerySpec(true);
        final NavigablePath navigablePath = new NavigablePath(entityDescriptor.getRootPathName());
        final List<String> columnNames = new ArrayList<>(targetPathColumns.size());
        for (Map.Entry<SqmCteTableColumn, Assignment> entry : targetPathColumns) {
            for (ColumnReference columnReference : entry.getValue().getAssignable().getColumnReferences()) {
                columnNames.add(columnReference.getColumnExpression());
                querySpec.getSelectClause().addSqlSelection(new SqlSelectionImpl(1, 0, columnReference));
            }
        }
        final ValuesTableGroup valuesTableGroup = new ValuesTableGroup(navigablePath, entityDescriptor.getEntityPersister(), valuesList, insertingTableGroup.getPrimaryTableReference().getIdentificationVariable(), columnNames, true, factory);
        querySpec.getFromClause().addRoot(valuesTableGroup);
        queryStatement = new SelectStatement(querySpec);
    }
    processingStateStack.push(oldState);
    sqmConverter.pruneTableGroupJoins();
    if (!assignsId && entityDescriptor.getIdentifierGenerator() instanceof PostInsertIdentifierGenerator) {
        // Add the row number to the assignments
        final SqmCteTableColumn rowNumberColumn = cteTable.getColumns().get(cteTable.getColumns().size() - 1);
        final ColumnReference columnReference = new ColumnReference((String) null, rowNumberColumn.getColumnName(), false, null, null, (JdbcMapping) rowNumberColumn.getType(), sessionFactory);
        insertStatement.getTargetColumnReferences().add(columnReference);
        targetPathSqmCteColumns.add(rowNumberColumn);
    }
    final CteTable entityCteTable = BaseSqmToSqlAstConverter.createCteTable(getCteTable(), targetPathSqmCteColumns, factory);
    // Create the main query spec that will return the count of rows
    final QuerySpec querySpec = new QuerySpec(true, 1);
    final List<DomainResult<?>> domainResults = new ArrayList<>(1);
    final SelectStatement statement = new SelectStatement(querySpec, domainResults);
    final CteStatement entityCte;
    if (additionalInsertValues.requiresRowNumberIntermediate()) {
        final CteTable fullEntityCteTable = BaseSqmToSqlAstConverter.createCteTable(getCteTable(), factory);
        final String baseTableName = "base_" + entityCteTable.getTableExpression();
        final CteStatement baseEntityCte = new CteStatement(entityCteTable.withName(baseTableName), queryStatement, // The query cte will be reused multiple times
        CteMaterialization.MATERIALIZED);
        statement.addCteStatement(baseEntityCte);
        final CteColumn rowNumberColumn = fullEntityCteTable.getCteColumns().get(fullEntityCteTable.getCteColumns().size() - 1);
        final ColumnReference rowNumberColumnReference = new ColumnReference("e", rowNumberColumn.getColumnExpression(), false, null, null, rowNumberColumn.getJdbcMapping(), factory);
        final CteColumn idColumn = fullEntityCteTable.getCteColumns().get(0);
        final BasicValuedMapping idType = (BasicValuedMapping) idColumn.getJdbcMapping();
        final Optimizer optimizer = ((OptimizableGenerator) entityDescriptor.getIdentifierGenerator()).getOptimizer();
        final BasicValuedMapping integerType = (BasicValuedMapping) rowNumberColumn.getJdbcMapping();
        final Expression rowNumberMinusOneModuloIncrement = new BinaryArithmeticExpression(new BinaryArithmeticExpression(rowNumberColumnReference, BinaryArithmeticOperator.SUBTRACT, new QueryLiteral<>(1, (BasicValuedMapping) rowNumberColumn.getJdbcMapping()), integerType), BinaryArithmeticOperator.MODULO, new QueryLiteral<>(optimizer.getIncrementSize(), integerType), integerType);
        // Create the CTE that fetches a new sequence value for the row numbers that need it
        {
            final QuerySpec rowsWithSequenceQuery = new QuerySpec(true);
            rowsWithSequenceQuery.getFromClause().addRoot(new CteTableGroup(new NamedTableReference(baseTableName, "e", false, factory)));
            rowsWithSequenceQuery.getSelectClause().addSqlSelection(new SqlSelectionImpl(1, 0, rowNumberColumnReference));
            final String fragment = ((BulkInsertionCapableIdentifierGenerator) entityDescriptor.getIdentifierGenerator()).determineBulkInsertionIdentifierGenerationSelectFragment(sessionFactory.getSqlStringGenerationContext());
            rowsWithSequenceQuery.getSelectClause().addSqlSelection(new SqlSelectionImpl(2, 1, new SelfRenderingSqlFragmentExpression(fragment)));
            rowsWithSequenceQuery.applyPredicate(new ComparisonPredicate(rowNumberMinusOneModuloIncrement, ComparisonOperator.EQUAL, new QueryLiteral<>(0, integerType)));
            final CteTable rowsWithSequenceCteTable = new CteTable(ROW_NUMBERS_WITH_SEQUENCE_VALUE, Arrays.asList(rowNumberColumn, idColumn), sessionFactory);
            final SelectStatement rowsWithSequenceStatement = new SelectStatement(rowsWithSequenceQuery);
            final CteStatement rowsWithSequenceCte = new CteStatement(rowsWithSequenceCteTable, rowsWithSequenceStatement, // The query cte will be reused multiple times
            CteMaterialization.MATERIALIZED);
            statement.addCteStatement(rowsWithSequenceCte);
        }
        // Create the CTE that represents the entity cte
        {
            final QuerySpec entityQuery = new QuerySpec(true);
            final NavigablePath navigablePath = new NavigablePath(baseTableName);
            final TableGroup baseTableGroup = new TableGroupImpl(navigablePath, null, new NamedTableReference(baseTableName, "e", false, factory), null);
            final TableGroup rowsWithSequenceTableGroup = new CteTableGroup(new NamedTableReference(ROW_NUMBERS_WITH_SEQUENCE_VALUE, "t", false, factory));
            baseTableGroup.addTableGroupJoin(new TableGroupJoin(rowsWithSequenceTableGroup.getNavigablePath(), SqlAstJoinType.LEFT, rowsWithSequenceTableGroup, new ComparisonPredicate(new BinaryArithmeticExpression(rowNumberColumnReference, BinaryArithmeticOperator.SUBTRACT, rowNumberMinusOneModuloIncrement, integerType), ComparisonOperator.EQUAL, new ColumnReference("t", rowNumberColumn.getColumnExpression(), false, null, null, rowNumberColumn.getJdbcMapping(), factory))));
            entityQuery.getFromClause().addRoot(baseTableGroup);
            entityQuery.getSelectClause().addSqlSelection(new SqlSelectionImpl(1, 0, new BinaryArithmeticExpression(new ColumnReference("t", idColumn.getColumnExpression(), false, null, null, idColumn.getJdbcMapping(), factory), BinaryArithmeticOperator.ADD, new BinaryArithmeticExpression(rowNumberColumnReference, BinaryArithmeticOperator.SUBTRACT, new ColumnReference("t", rowNumberColumn.getColumnExpression(), false, null, null, rowNumberColumn.getJdbcMapping(), factory), integerType), idType)));
            final CteTable finalEntityCteTable;
            if (targetPathSqmCteColumns.contains(getCteTable().getColumns().get(0))) {
                finalEntityCteTable = entityCteTable;
            } else {
                targetPathSqmCteColumns.add(0, getCteTable().getColumns().get(0));
                finalEntityCteTable = BaseSqmToSqlAstConverter.createCteTable(getCteTable(), targetPathSqmCteColumns, factory);
            }
            final List<CteColumn> cteColumns = finalEntityCteTable.getCteColumns();
            for (int i = 1; i < cteColumns.size(); i++) {
                final CteColumn cteColumn = cteColumns.get(i);
                entityQuery.getSelectClause().addSqlSelection(new SqlSelectionImpl(i + 1, i, new ColumnReference("e", cteColumn.getColumnExpression(), false, null, null, cteColumn.getJdbcMapping(), factory)));
            }
            final SelectStatement entityStatement = new SelectStatement(entityQuery);
            entityCte = new CteStatement(finalEntityCteTable, entityStatement, // The query cte will be reused multiple times
            CteMaterialization.MATERIALIZED);
            statement.addCteStatement(entityCte);
        }
    } else if (!assignsId && entityDescriptor.getIdentifierGenerator() instanceof PostInsertIdentifierGenerator) {
        final String baseTableName = "base_" + entityCteTable.getTableExpression();
        final CteStatement baseEntityCte = new CteStatement(entityCteTable.withName(baseTableName), queryStatement, // The query cte will be reused multiple times
        CteMaterialization.MATERIALIZED);
        statement.addCteStatement(baseEntityCte);
        targetPathSqmCteColumns.add(0, cteTable.getColumns().get(0));
        final CteTable finalEntityCteTable = BaseSqmToSqlAstConverter.createCteTable(getCteTable(), targetPathSqmCteColumns, factory);
        final QuerySpec finalQuerySpec = new QuerySpec(true);
        final SelectStatement finalQueryStatement = new SelectStatement(finalQuerySpec);
        entityCte = new CteStatement(finalEntityCteTable, finalQueryStatement, // The query cte will be reused multiple times
        CteMaterialization.MATERIALIZED);
    } else {
        entityCte = new CteStatement(entityCteTable, queryStatement, // The query cte will be reused multiple times
        CteMaterialization.MATERIALIZED);
        statement.addCteStatement(entityCte);
    }
    // Add all CTEs
    final String baseInsertCte = addDmlCtes(statement, entityCte, targetPathColumns, assignsId, sqmConverter, parameterResolutions, factory);
    final Expression count = createCountStar(factory, sqmConverter);
    domainResults.add(new BasicResult(0, null, ((SqlExpressible) count).getJdbcMapping().getJavaTypeDescriptor()));
    querySpec.getSelectClause().addSqlSelection(new SqlSelectionImpl(1, 0, count));
    querySpec.getFromClause().addRoot(new CteTableGroup(new NamedTableReference(// We want to return the insertion count of the base table
    baseInsertCte, CTE_TABLE_IDENTIFIER, false, factory)));
    // Execute the statement
    final JdbcServices jdbcServices = factory.getJdbcServices();
    final SqlAstTranslator<JdbcSelect> translator = jdbcServices.getJdbcEnvironment().getSqlAstTranslatorFactory().buildSelectTranslator(factory, statement);
    final JdbcParameterBindings jdbcParameterBindings = SqmUtil.createJdbcParameterBindings(executionContext.getQueryParameterBindings(), domainParameterXref, SqmUtil.generateJdbcParamsXref(domainParameterXref, sqmConverter), factory.getRuntimeMetamodels().getMappingMetamodel(), navigablePath -> sqmConverter.getMutatingTableGroup(), new SqmParameterMappingModelResolutionAccess() {

        @Override
        @SuppressWarnings("unchecked")
        public <T> MappingModelExpressible<T> getResolvedMappingModelType(SqmParameter<T> parameter) {
            return (MappingModelExpressible<T>) paramTypeResolutions.get(parameter);
        }
    }, executionContext.getSession());
    final JdbcSelect select = translator.translate(jdbcParameterBindings, executionContext.getQueryOptions());
    executionContext.getSession().autoFlushIfRequired(select.getAffectedTableNames());
    List<Object> list = jdbcServices.getJdbcSelectExecutor().list(select, jdbcParameterBindings, SqmJdbcExecutionContextAdapter.omittingLockingAndPaging(executionContext), row -> row[0], ListResultsConsumer.UniqueSemantic.NONE);
    return ((Number) list.get(0)).intValue();
}

Example 2 with SqmParameterMappingModelResolutionAccess

use of org.hibernate.query.sqm.spi.SqmParameterMappingModelResolutionAccess in project hibernate-orm by hibernate.

the class ConcreteSqmSelectQueryPlan method buildCacheableSqmInterpretation.

private static CacheableSqmInterpretation buildCacheableSqmInterpretation(SqmSelectStatement<?> sqm, DomainParameterXref domainParameterXref, DomainQueryExecutionContext executionContext) {
    final SharedSessionContractImplementor session = executionContext.getSession();
    final SessionFactoryImplementor sessionFactory = session.getFactory();
    final QueryEngine queryEngine = sessionFactory.getQueryEngine();
    final SqmTranslatorFactory sqmTranslatorFactory = queryEngine.getSqmTranslatorFactory();
    final SqmTranslator<SelectStatement> sqmConverter = sqmTranslatorFactory.createSelectTranslator(sqm, executionContext.getQueryOptions(), domainParameterXref, executionContext.getQueryParameterBindings(), executionContext.getSession().getLoadQueryInfluencers(), sessionFactory, true);
    // tableGroupAccess = sqmConverter.getFromClauseAccess();
    final SqmTranslation<SelectStatement> sqmInterpretation = sqmConverter.translate();
    final FromClauseAccess tableGroupAccess = sqmConverter.getFromClauseAccess();
    final JdbcServices jdbcServices = sessionFactory.getJdbcServices();
    final JdbcEnvironment jdbcEnvironment = jdbcServices.getJdbcEnvironment();
    final SqlAstTranslatorFactory sqlAstTranslatorFactory = jdbcEnvironment.getSqlAstTranslatorFactory();
    final SqlAstTranslator<JdbcSelect> selectTranslator = sqlAstTranslatorFactory.buildSelectTranslator(sessionFactory, sqmInterpretation.getSqlAst());
    final Map<QueryParameterImplementor<?>, Map<SqmParameter<?>, List<List<JdbcParameter>>>> jdbcParamsXref = SqmUtil.generateJdbcParamsXref(domainParameterXref, sqmInterpretation::getJdbcParamsBySqmParam);
    final JdbcParameterBindings jdbcParameterBindings = SqmUtil.createJdbcParameterBindings(executionContext.getQueryParameterBindings(), domainParameterXref, jdbcParamsXref, session.getFactory().getRuntimeMetamodels().getMappingMetamodel(), tableGroupAccess::findTableGroup, new SqmParameterMappingModelResolutionAccess() {

        @Override
        @SuppressWarnings("unchecked")
        public <T> MappingModelExpressible<T> getResolvedMappingModelType(SqmParameter<T> parameter) {
            return (MappingModelExpressible<T>) sqmInterpretation.getSqmParameterMappingModelTypeResolutions().get(parameter);
        }
    }, session);
    final JdbcSelect jdbcSelect = selectTranslator.translate(jdbcParameterBindings, executionContext.getQueryOptions());
    return new CacheableSqmInterpretation(sqmInterpretation.getSqlAst(), jdbcSelect, tableGroupAccess, jdbcParamsXref, sqmInterpretation.getSqmParameterMappingModelTypeResolutions(), jdbcParameterBindings);
}

Example 3 with SqmParameterMappingModelResolutionAccess

use of org.hibernate.query.sqm.spi.SqmParameterMappingModelResolutionAccess in project hibernate-orm by hibernate.

the class SimpleDeleteQueryPlan method executeUpdate.

@Override
public int executeUpdate(DomainQueryExecutionContext executionContext) {
    BulkOperationCleanupAction.schedule(executionContext.getSession(), sqmDelete);
    final SharedSessionContractImplementor session = executionContext.getSession();
    final SessionFactoryImplementor factory = session.getFactory();
    final JdbcServices jdbcServices = factory.getJdbcServices();
    SqlAstTranslator<JdbcDelete> deleteTranslator = null;
    if (jdbcDelete == null) {
        deleteTranslator = createDeleteTranslator(executionContext);
    }
    final JdbcParameterBindings jdbcParameterBindings = SqmUtil.createJdbcParameterBindings(executionContext.getQueryParameterBindings(), domainParameterXref, jdbcParamsXref, factory.getRuntimeMetamodels().getMappingMetamodel(), sqmInterpretation.getFromClauseAccess()::findTableGroup, new SqmParameterMappingModelResolutionAccess() {

        @Override
        @SuppressWarnings("unchecked")
        public <T> MappingModelExpressible<T> getResolvedMappingModelType(SqmParameter<T> parameter) {
            return (MappingModelExpressible<T>) sqmInterpretation.getSqmParameterMappingModelTypeResolutions().get(parameter);
        }
    }, session);
    if (jdbcDelete != null && !jdbcDelete.isCompatibleWith(jdbcParameterBindings, executionContext.getQueryOptions())) {
        deleteTranslator = createDeleteTranslator(executionContext);
    }
    if (deleteTranslator != null) {
        jdbcDelete = deleteTranslator.translate(jdbcParameterBindings, executionContext.getQueryOptions());
    } else {
        jdbcDelete.bindFilterJdbcParameters(jdbcParameterBindings);
    }
    final boolean missingRestriction = sqmDelete.getWhereClause() == null || sqmDelete.getWhereClause().getPredicate() == null;
    if (missingRestriction) {
        assert domainParameterXref.getSqmParameterCount() == 0;
        assert jdbcParamsXref.isEmpty();
    }
    final SqmJdbcExecutionContextAdapter executionContextAdapter = SqmJdbcExecutionContextAdapter.usingLockingAndPaging(executionContext);
    SqmMutationStrategyHelper.cleanUpCollectionTables(entityDescriptor, (tableReference, attributeMapping) -> {
        if (missingRestriction) {
            return null;
        }
        final ForeignKeyDescriptor fkDescriptor = attributeMapping.getKeyDescriptor();
        final Expression fkColumnExpression = MappingModelHelper.buildColumnReferenceExpression(fkDescriptor.getKeyPart(), null, factory);
        final QuerySpec matchingIdSubQuery = new QuerySpec(false);
        final MutatingTableReferenceGroupWrapper tableGroup = new MutatingTableReferenceGroupWrapper(new NavigablePath(attributeMapping.getRootPathName()), attributeMapping, sqmInterpretation.getSqlAst().getTargetTable());
        final Expression fkTargetColumnExpression = MappingModelHelper.buildColumnReferenceExpression(tableGroup, fkDescriptor.getTargetPart(), sqmInterpretation.getSqlExpressionResolver(), factory);
        matchingIdSubQuery.getSelectClause().addSqlSelection(new SqlSelectionImpl(1, 0, fkTargetColumnExpression));
        matchingIdSubQuery.getFromClause().addRoot(tableGroup);
        matchingIdSubQuery.applyPredicate(sqmInterpretation.getSqlAst().getRestriction());
        return new InSubQueryPredicate(fkColumnExpression, matchingIdSubQuery, false);
    }, (missingRestriction ? JdbcParameterBindings.NO_BINDINGS : jdbcParameterBindings), executionContextAdapter);
    return jdbcServices.getJdbcMutationExecutor().execute(jdbcDelete, jdbcParameterBindings, sql -> session.getJdbcCoordinator().getStatementPreparer().prepareStatement(sql), (integer, preparedStatement) -> {
    }, executionContextAdapter);
}

Example 4 with SqmParameterMappingModelResolutionAccess

use of org.hibernate.query.sqm.spi.SqmParameterMappingModelResolutionAccess in project hibernate-orm by hibernate.

the class MatchingIdSelectionHelper method selectMatchingIds.

/**
 * Centralized selection of ids matching the restriction of the DELETE
 * or UPDATE SQM query
 */
public static List<Object> selectMatchingIds(SqmDeleteOrUpdateStatement sqmMutationStatement, DomainParameterXref domainParameterXref, DomainQueryExecutionContext executionContext) {
    final SessionFactoryImplementor factory = executionContext.getSession().getFactory();
    final EntityMappingType entityDescriptor = factory.getRuntimeMetamodels().getEntityMappingType(sqmMutationStatement.getTarget().getModel().getHibernateEntityName());
    final MultiTableSqmMutationConverter sqmConverter = new MultiTableSqmMutationConverter(entityDescriptor, sqmMutationStatement, sqmMutationStatement.getTarget(), domainParameterXref, executionContext.getQueryOptions(), executionContext.getSession().getLoadQueryInfluencers(), executionContext.getQueryParameterBindings(), factory);
    final Map<SqmParameter, List<JdbcParameter>> parameterResolutions;
    if (domainParameterXref.getSqmParameterCount() == 0) {
        parameterResolutions = Collections.emptyMap();
    } else {
        parameterResolutions = new IdentityHashMap<>();
    }
    final Predicate restriction = sqmConverter.visitWhereClause(sqmMutationStatement.getWhereClause(), columnReference -> {
    }, (sqmParam, mappingType, jdbcParameters) -> parameterResolutions.put(sqmParam, jdbcParameters));
    final SelectStatement matchingIdSelection = generateMatchingIdSelectStatement(entityDescriptor, sqmMutationStatement, true, restriction, sqmConverter, executionContext, factory);
    sqmConverter.getProcessingStateStack().push(new SqlAstQueryPartProcessingStateImpl(matchingIdSelection.getQuerySpec(), sqmConverter.getCurrentProcessingState(), sqmConverter.getSqlAstCreationState(), sqmConverter.getCurrentClauseStack()::getCurrent, true));
    entityDescriptor.visitSubTypeAttributeMappings(attribute -> {
        if (attribute instanceof PluralAttributeMapping) {
            final PluralAttributeMapping pluralAttribute = (PluralAttributeMapping) attribute;
            if (pluralAttribute.getSeparateCollectionTable() != null) {
                // Ensure that the FK target columns are available
                final boolean useFkTarget = !(pluralAttribute.getKeyDescriptor().getTargetPart() instanceof EntityIdentifierMapping);
                if (useFkTarget) {
                    final TableGroup mutatingTableGroup = sqmConverter.getMutatingTableGroup();
                    pluralAttribute.getKeyDescriptor().getTargetPart().applySqlSelections(mutatingTableGroup.getNavigablePath(), mutatingTableGroup, sqmConverter, (selection, jdbcMapping) -> {
                        matchingIdSelection.getDomainResultDescriptors().add(new BasicResult<>(selection.getValuesArrayPosition(), null, jdbcMapping.getJavaTypeDescriptor()));
                    });
                }
            }
        }
    });
    sqmConverter.getProcessingStateStack().pop();
    final JdbcServices jdbcServices = factory.getJdbcServices();
    final JdbcEnvironment jdbcEnvironment = jdbcServices.getJdbcEnvironment();
    final SqlAstTranslator<JdbcSelect> sqlAstSelectTranslator = jdbcEnvironment.getSqlAstTranslatorFactory().buildSelectTranslator(factory, matchingIdSelection);
    final JdbcParameterBindings jdbcParameterBindings = SqmUtil.createJdbcParameterBindings(executionContext.getQueryParameterBindings(), domainParameterXref, SqmUtil.generateJdbcParamsXref(domainParameterXref, sqmConverter), factory.getRuntimeMetamodels().getMappingMetamodel(), navigablePath -> sqmConverter.getMutatingTableGroup(), new SqmParameterMappingModelResolutionAccess() {

        @Override
        @SuppressWarnings("unchecked")
        public <T> MappingModelExpressible<T> getResolvedMappingModelType(SqmParameter<T> parameter) {
            return (MappingModelExpressible<T>) sqmConverter.getSqmParameterMappingModelExpressibleResolutions().get(parameter);
        }
    }, executionContext.getSession());
    final LockOptions lockOptions = executionContext.getQueryOptions().getLockOptions();
    final LockMode lockMode = lockOptions.getLockMode();
    // Acquire a WRITE lock for the rows that are about to be modified
    lockOptions.setLockMode(LockMode.WRITE);
    // Visit the table joins and reset the lock mode if we encounter OUTER joins that are not supported
    if (!jdbcEnvironment.getDialect().supportsOuterJoinForUpdate()) {
        matchingIdSelection.getQuerySpec().getFromClause().visitTableJoins(tableJoin -> {
            if (tableJoin.getJoinType() != SqlAstJoinType.INNER) {
                lockOptions.setLockMode(lockMode);
            }
        });
    }
    final JdbcSelect idSelectJdbcOperation = sqlAstSelectTranslator.translate(jdbcParameterBindings, executionContext.getQueryOptions());
    lockOptions.setLockMode(lockMode);
    return jdbcServices.getJdbcSelectExecutor().list(idSelectJdbcOperation, jdbcParameterBindings, SqmJdbcExecutionContextAdapter.omittingLockingAndPaging(executionContext), row -> row[0], ListResultsConsumer.UniqueSemantic.FILTER);
}

Example 5 with SqmParameterMappingModelResolutionAccess

use of org.hibernate.query.sqm.spi.SqmParameterMappingModelResolutionAccess in project hibernate-orm by hibernate.

the class RestrictedDeleteExecutionDelegate method executeWithIdTable.

private int executeWithIdTable(Predicate predicate, TableGroup deletingTableGroup, Map<SqmParameter<?>, List<List<JdbcParameter>>> restrictionSqmParameterResolutions, Map<SqmParameter<?>, MappingModelExpressible<?>> paramTypeResolutions, ExecutionContext executionContext) {
    final JdbcParameterBindings jdbcParameterBindings = SqmUtil.createJdbcParameterBindings(executionContext.getQueryParameterBindings(), domainParameterXref, SqmUtil.generateJdbcParamsXref(domainParameterXref, () -> restrictionSqmParameterResolutions), sessionFactory.getRuntimeMetamodels().getMappingMetamodel(), navigablePath -> deletingTableGroup, new SqmParameterMappingModelResolutionAccess() {

        @Override
        @SuppressWarnings("unchecked")
        public <T> MappingModelExpressible<T> getResolvedMappingModelType(SqmParameter<T> parameter) {
            return (MappingModelExpressible<T>) paramTypeResolutions.get(parameter);
        }
    }, executionContext.getSession());
    ExecuteWithTemporaryTableHelper.performBeforeTemporaryTableUseActions(idTable, executionContext);
    try {
        return executeUsingIdTable(predicate, executionContext, jdbcParameterBindings);
    } finally {
        ExecuteWithTemporaryTableHelper.performAfterTemporaryTableUseActions(idTable, sessionUidAccess, afterUseAction, executionContext);
    }
}