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Example 1 with JdbcParameterBindings

use of org.hibernate.sql.exec.spi.JdbcParameterBindings in project hibernate-orm by hibernate.

the class NativeNonSelectQueryPlanImpl method executeUpdate.

@Override
public int executeUpdate(DomainQueryExecutionContext executionContext) {
    executionContext.getSession().autoFlushIfRequired(affectedTableNames);
    BulkOperationCleanupAction.schedule(executionContext.getSession(), affectedTableNames);
    final List<JdbcParameterBinder> jdbcParameterBinders;
    final JdbcParameterBindings jdbcParameterBindings;
    final QueryParameterBindings queryParameterBindings = executionContext.getQueryParameterBindings();
    if (parameterList == null || parameterList.isEmpty()) {
        jdbcParameterBinders = Collections.emptyList();
        jdbcParameterBindings = JdbcParameterBindings.NO_BINDINGS;
    } else {
        jdbcParameterBinders = new ArrayList<>(parameterList.size());
        jdbcParameterBindings = new JdbcParameterBindingsImpl(parameterList.size());
        jdbcParameterBindings.registerNativeQueryParameters(queryParameterBindings, parameterList, jdbcParameterBinders, executionContext.getSession().getFactory());
    }
    final JdbcMutation jdbcMutation = new NativeJdbcMutation(sql, jdbcParameterBinders, affectedTableNames);
    final JdbcMutationExecutor executor = StandardJdbcMutationExecutor.INSTANCE;
    final SharedSessionContractImplementor session = executionContext.getSession();
    // return jdbcServices.getJdbcMutationExecutor().execute(
    return executor.execute(jdbcMutation, jdbcParameterBindings, sql -> session.getJdbcCoordinator().getStatementPreparer().prepareStatement(sql), (integer, preparedStatement) -> {
    }, SqmJdbcExecutionContextAdapter.usingLockingAndPaging(executionContext));
}
Also used : NativeJdbcMutation(org.hibernate.sql.exec.spi.NativeJdbcMutation) NativeJdbcMutation(org.hibernate.sql.exec.spi.NativeJdbcMutation) JdbcMutation(org.hibernate.sql.exec.spi.JdbcMutation) JdbcParameterBindingsImpl(org.hibernate.sql.exec.internal.JdbcParameterBindingsImpl) SharedSessionContractImplementor(org.hibernate.engine.spi.SharedSessionContractImplementor) QueryParameterBindings(org.hibernate.query.spi.QueryParameterBindings) JdbcParameterBinder(org.hibernate.sql.exec.spi.JdbcParameterBinder) JdbcParameterBindings(org.hibernate.sql.exec.spi.JdbcParameterBindings) JdbcMutationExecutor(org.hibernate.sql.exec.spi.JdbcMutationExecutor) StandardJdbcMutationExecutor(org.hibernate.sql.exec.internal.StandardJdbcMutationExecutor)

Example 2 with JdbcParameterBindings

use of org.hibernate.sql.exec.spi.JdbcParameterBindings in project hibernate-orm by hibernate.

the class SingleIdEntityLoaderDynamicBatch method load.

@Override
public T load(Object pkValue, Object entityInstance, LockOptions lockOptions, Boolean readOnly, SharedSessionContractImplementor session) {
    final Object[] batchIds = session.getPersistenceContextInternal().getBatchFetchQueue().getBatchLoadableEntityIds(getLoadable(), pkValue, maxBatchSize);
    final int numberOfIds = ArrayHelper.countNonNull(batchIds);
    if (numberOfIds <= 1) {
        initializeSingleIdLoaderIfNeeded(session);
        final T result = singleIdLoader.load(pkValue, entityInstance, lockOptions, readOnly, session);
        if (result == null) {
            // There was no entity with the specified ID. Make sure the EntityKey does not remain
            // in the batch to avoid including it in future batches that get executed.
            BatchFetchQueueHelper.removeBatchLoadableEntityKey(pkValue, getLoadable(), session);
        }
        return result;
    }
    final Object[] idsToLoad = new Object[numberOfIds];
    System.arraycopy(batchIds, 0, idsToLoad, 0, numberOfIds);
    if (log.isDebugEnabled()) {
        log.debugf("Batch loading entity [%s] : %s", getLoadable().getEntityName(), idsToLoad);
    }
    final List<JdbcParameter> jdbcParameters = new ArrayList<>();
    final SelectStatement sqlAst = LoaderSelectBuilder.createSelect(getLoadable(), // null here means to select everything
    null, getLoadable().getIdentifierMapping(), null, numberOfIds, session.getLoadQueryInfluencers(), lockOptions, jdbcParameters::add, session.getFactory());
    final SessionFactoryImplementor sessionFactory = session.getFactory();
    final JdbcServices jdbcServices = sessionFactory.getJdbcServices();
    final JdbcEnvironment jdbcEnvironment = jdbcServices.getJdbcEnvironment();
    final SqlAstTranslatorFactory sqlAstTranslatorFactory = jdbcEnvironment.getSqlAstTranslatorFactory();
    final JdbcParameterBindings jdbcParameterBindings = new JdbcParameterBindingsImpl(getLoadable().getIdentifierMapping().getJdbcTypeCount());
    int offset = 0;
    for (int i = 0; i < numberOfIds; i++) {
        offset += jdbcParameterBindings.registerParametersForEachJdbcValue(idsToLoad[i], Clause.WHERE, offset, getLoadable().getIdentifierMapping(), jdbcParameters, session);
    }
    assert offset == jdbcParameters.size();
    final JdbcSelect jdbcSelect = sqlAstTranslatorFactory.buildSelectTranslator(sessionFactory, sqlAst).translate(jdbcParameterBindings, QueryOptions.NONE);
    final SubselectFetch.RegistrationHandler subSelectFetchableKeysHandler = SubselectFetch.createRegistrationHandler(session.getPersistenceContext().getBatchFetchQueue(), sqlAst, jdbcParameters, jdbcParameterBindings);
    JdbcSelectExecutorStandardImpl.INSTANCE.list(jdbcSelect, jdbcParameterBindings, getExecutionContext(pkValue, entityInstance, readOnly, lockOptions, session, subSelectFetchableKeysHandler), RowTransformerPassThruImpl.instance(), ListResultsConsumer.UniqueSemantic.FILTER);
    // noinspection ForLoopReplaceableByForEach
    for (int i = 0; i < idsToLoad.length; i++) {
        final Object id = idsToLoad[i];
        // found or not, remove the key from the batch-fetch queye
        BatchFetchQueueHelper.removeBatchLoadableEntityKey(id, getLoadable(), session);
    }
    final EntityKey entityKey = session.generateEntityKey(pkValue, getLoadable().getEntityPersister());
    // noinspection unchecked
    return (T) session.getPersistenceContext().getEntity(entityKey);
}
Also used : JdbcSelect(org.hibernate.sql.exec.spi.JdbcSelect) SubselectFetch(org.hibernate.engine.spi.SubselectFetch) JdbcParameterBindingsImpl(org.hibernate.sql.exec.internal.JdbcParameterBindingsImpl) JdbcParameter(org.hibernate.sql.ast.tree.expression.JdbcParameter) SessionFactoryImplementor(org.hibernate.engine.spi.SessionFactoryImplementor) ArrayList(java.util.ArrayList) JdbcServices(org.hibernate.engine.jdbc.spi.JdbcServices) JdbcEnvironment(org.hibernate.engine.jdbc.env.spi.JdbcEnvironment) SqlAstTranslatorFactory(org.hibernate.sql.ast.SqlAstTranslatorFactory) SelectStatement(org.hibernate.sql.ast.tree.select.SelectStatement) EntityKey(org.hibernate.engine.spi.EntityKey) JdbcParameterBindings(org.hibernate.sql.exec.spi.JdbcParameterBindings)

Example 3 with JdbcParameterBindings

use of org.hibernate.sql.exec.spi.JdbcParameterBindings in project hibernate-orm by hibernate.

the class SingleIdLoadPlan method load.

public T load(Object restrictedValue, Object entityInstance, Boolean readOnly, Boolean singleResultExpected, SharedSessionContractImplementor session) {
    final int jdbcTypeCount = restrictivePart.getJdbcTypeCount();
    assert jdbcParameters.size() % jdbcTypeCount == 0;
    final JdbcParameterBindings jdbcParameterBindings = new JdbcParameterBindingsImpl(jdbcTypeCount);
    jdbcSelect.bindFilterJdbcParameters(jdbcParameterBindings);
    int offset = 0;
    while (offset < jdbcParameters.size()) {
        offset += jdbcParameterBindings.registerParametersForEachJdbcValue(restrictedValue, Clause.WHERE, offset, restrictivePart, jdbcParameters, session);
    }
    assert offset == jdbcParameters.size();
    final QueryOptions queryOptions = new SimpleQueryOptions(lockOptions, readOnly);
    final Callback callback = new CallbackImpl();
    final List<T> list = JdbcSelectExecutorStandardImpl.INSTANCE.list(jdbcSelect, jdbcParameterBindings, new ExecutionContext() {

        @Override
        public SharedSessionContractImplementor getSession() {
            return session;
        }

        @Override
        public Object getEntityInstance() {
            return entityInstance;
        }

        @Override
        public Object getEntityId() {
            return restrictedValue;
        }

        @Override
        public QueryOptions getQueryOptions() {
            return queryOptions;
        }

        @Override
        public String getQueryIdentifier(String sql) {
            return sql;
        }

        @Override
        public QueryParameterBindings getQueryParameterBindings() {
            return QueryParameterBindings.NO_PARAM_BINDINGS;
        }

        @Override
        public Callback getCallback() {
            return callback;
        }
    }, getRowTransformer(), singleResultExpected ? ListResultsConsumer.UniqueSemantic.ASSERT : ListResultsConsumer.UniqueSemantic.FILTER);
    if (list.isEmpty()) {
        return null;
    }
    final T entity = list.get(0);
    if (persister != null) {
        callback.invokeAfterLoadActions(session, entity, persister);
    }
    return entity;
}
Also used : CallbackImpl(org.hibernate.sql.exec.internal.CallbackImpl) JdbcParameterBindingsImpl(org.hibernate.sql.exec.internal.JdbcParameterBindingsImpl) SharedSessionContractImplementor(org.hibernate.engine.spi.SharedSessionContractImplementor) QueryOptions(org.hibernate.query.spi.QueryOptions) SimpleQueryOptions(org.hibernate.query.internal.SimpleQueryOptions) Callback(org.hibernate.sql.exec.spi.Callback) ExecutionContext(org.hibernate.sql.exec.spi.ExecutionContext) SimpleQueryOptions(org.hibernate.query.internal.SimpleQueryOptions) QueryParameterBindings(org.hibernate.query.spi.QueryParameterBindings) JdbcParameterBindings(org.hibernate.sql.exec.spi.JdbcParameterBindings)

Example 4 with JdbcParameterBindings

use of org.hibernate.sql.exec.spi.JdbcParameterBindings in project hibernate-orm by hibernate.

the class SingleUniqueKeyEntityLoaderStandard method resolveId.

@Override
public Object resolveId(Object ukValue, SharedSessionContractImplementor session) {
    final SessionFactoryImplementor sessionFactory = session.getFactory();
    // todo (6.0) : cache the SQL AST and JdbcParameters
    final List<JdbcParameter> jdbcParameters = new ArrayList<>();
    final SelectStatement sqlAst = LoaderSelectBuilder.createSelectByUniqueKey(entityDescriptor, Collections.singletonList(entityDescriptor.getIdentifierMapping()), uniqueKeyAttribute, null, 1, LoadQueryInfluencers.NONE, LockOptions.NONE, jdbcParameters::add, sessionFactory);
    final JdbcServices jdbcServices = sessionFactory.getJdbcServices();
    final JdbcEnvironment jdbcEnvironment = jdbcServices.getJdbcEnvironment();
    final SqlAstTranslatorFactory sqlAstTranslatorFactory = jdbcEnvironment.getSqlAstTranslatorFactory();
    final JdbcParameterBindings jdbcParameterBindings = new JdbcParameterBindingsImpl(jdbcParameters.size());
    int offset = jdbcParameterBindings.registerParametersForEachJdbcValue(ukValue, Clause.WHERE, uniqueKeyAttribute, jdbcParameters, session);
    assert offset == jdbcParameters.size();
    final JdbcSelect jdbcSelect = sqlAstTranslatorFactory.buildSelectTranslator(sessionFactory, sqlAst).translate(jdbcParameterBindings, QueryOptions.NONE);
    final List<Object> list = sessionFactory.getJdbcServices().getJdbcSelectExecutor().list(jdbcSelect, jdbcParameterBindings, new ExecutionContext() {

        @Override
        public SharedSessionContractImplementor getSession() {
            return session;
        }

        @Override
        public QueryOptions getQueryOptions() {
            return QueryOptions.NONE;
        }

        @Override
        public String getQueryIdentifier(String sql) {
            return sql;
        }

        @Override
        public QueryParameterBindings getQueryParameterBindings() {
            return QueryParameterBindings.NO_PARAM_BINDINGS;
        }

        @Override
        public Callback getCallback() {
            throw new UnsupportedOperationException("Follow-on locking not supported yet");
        }
    }, row -> row[0], ListResultsConsumer.UniqueSemantic.FILTER);
    assert list.size() == 1;
    return list.get(0);
}
Also used : JdbcSelect(org.hibernate.sql.exec.spi.JdbcSelect) JdbcParameterBindingsImpl(org.hibernate.sql.exec.internal.JdbcParameterBindingsImpl) SessionFactoryImplementor(org.hibernate.engine.spi.SessionFactoryImplementor) JdbcParameter(org.hibernate.sql.ast.tree.expression.JdbcParameter) ArrayList(java.util.ArrayList) SharedSessionContractImplementor(org.hibernate.engine.spi.SharedSessionContractImplementor) JdbcServices(org.hibernate.engine.jdbc.spi.JdbcServices) JdbcEnvironment(org.hibernate.engine.jdbc.env.spi.JdbcEnvironment) QueryOptions(org.hibernate.query.spi.QueryOptions) SqlAstTranslatorFactory(org.hibernate.sql.ast.SqlAstTranslatorFactory) SelectStatement(org.hibernate.sql.ast.tree.select.SelectStatement) ExecutionContext(org.hibernate.sql.exec.spi.ExecutionContext) Callback(org.hibernate.sql.exec.spi.Callback) QueryParameterBindings(org.hibernate.query.spi.QueryParameterBindings) JdbcParameterBindings(org.hibernate.sql.exec.spi.JdbcParameterBindings)

Example 5 with JdbcParameterBindings

use of org.hibernate.sql.exec.spi.JdbcParameterBindings 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();
}
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Aggregations

JdbcParameterBindings (org.hibernate.sql.exec.spi.JdbcParameterBindings)30 JdbcParameterBindingsImpl (org.hibernate.sql.exec.internal.JdbcParameterBindingsImpl)19 JdbcServices (org.hibernate.engine.jdbc.spi.JdbcServices)18 SharedSessionContractImplementor (org.hibernate.engine.spi.SharedSessionContractImplementor)18 SessionFactoryImplementor (org.hibernate.engine.spi.SessionFactoryImplementor)17 JdbcSelect (org.hibernate.sql.exec.spi.JdbcSelect)17 QueryParameterBindings (org.hibernate.query.spi.QueryParameterBindings)14 ArrayList (java.util.ArrayList)13 ExecutionContext (org.hibernate.sql.exec.spi.ExecutionContext)13 JdbcEnvironment (org.hibernate.engine.jdbc.env.spi.JdbcEnvironment)12 SelectStatement (org.hibernate.sql.ast.tree.select.SelectStatement)12 Callback (org.hibernate.sql.exec.spi.Callback)12 MappingModelExpressible (org.hibernate.metamodel.mapping.MappingModelExpressible)11 QueryOptions (org.hibernate.query.spi.QueryOptions)11 SqlAstTranslatorFactory (org.hibernate.sql.ast.SqlAstTranslatorFactory)11 SqmParameterMappingModelResolutionAccess (org.hibernate.query.sqm.spi.SqmParameterMappingModelResolutionAccess)10 JdbcParameter (org.hibernate.sql.ast.tree.expression.JdbcParameter)10 List (java.util.List)6 QuerySpec (org.hibernate.sql.ast.tree.select.QuerySpec)6 Map (java.util.Map)5