use of org.hibernate.sql.exec.spi.JdbcInsert in project hibernate-orm by hibernate.
the class InsertExecutionDelegate method insertRootTable.
private void insertRootTable(String tableExpression, int rows, String[] keyColumns, ExecutionContext executionContext) {
final TableReference updatingTableReference = updatingTableGroup.getTableReference(updatingTableGroup.getNavigablePath(), tableExpression, true, true);
final IdentifierGenerator identifierGenerator = entityDescriptor.getEntityPersister().getIdentifierGenerator();
final List<Assignment> assignments = assignmentsByTable.get(updatingTableReference);
if ((assignments == null || assignments.isEmpty()) && !(identifierGenerator instanceof PostInsertIdentifierGenerator)) {
throw new IllegalStateException("There must be at least a single root table assignment");
}
final NamedTableReference dmlTableReference = resolveUnionTableReference(updatingTableReference, tableExpression);
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// Create the SQL AST and convert it into a JdbcOperation
final QuerySpec querySpec = new QuerySpec(true);
final NamedTableReference temporaryTableReference = new NamedTableReference(insertStatement.getTargetTable().getTableExpression(), updatingTableReference.getIdentificationVariable(), false, sessionFactory);
final TableGroupImpl temporaryTableGroup = new TableGroupImpl(updatingTableGroup.getNavigablePath(), null, temporaryTableReference, entityDescriptor);
querySpec.getFromClause().addRoot(temporaryTableGroup);
final InsertStatement insertStatement = new InsertStatement(dmlTableReference);
insertStatement.setSourceSelectStatement(querySpec);
for (Assignment assignment : assignments) {
insertStatement.addTargetColumnReferences(assignment.getAssignable().getColumnReferences());
for (ColumnReference columnReference : assignment.getAssignable().getColumnReferences()) {
querySpec.getSelectClause().addSqlSelection(new SqlSelectionImpl(1, 0, new ColumnReference(updatingTableReference.getIdentificationVariable(), columnReference.getColumnExpression(), false, null, null, columnReference.getJdbcMapping(), sessionFactory)));
}
}
final JdbcServices jdbcServices = sessionFactory.getJdbcServices();
final Map<Object, Object> entityTableToRootIdentity;
if (identifierGenerator instanceof PostInsertIdentifierGenerator) {
final BasicEntityIdentifierMapping identifierMapping = (BasicEntityIdentifierMapping) entityDescriptor.getIdentifierMapping();
final QuerySpec idSelectQuerySpec = new QuerySpec(true);
idSelectQuerySpec.getFromClause().addRoot(temporaryTableGroup);
final ColumnReference columnReference = new ColumnReference((String) null, TemporaryTable.ENTITY_TABLE_IDENTITY_COLUMN, false, null, null, identifierMapping.getJdbcMapping(), sessionFactory);
idSelectQuerySpec.getSelectClause().addSqlSelection(new SqlSelectionImpl(1, 0, columnReference));
idSelectQuerySpec.addSortSpecification(new SortSpecification(columnReference, SortOrder.ASCENDING));
final SelectStatement selectStatement = new SelectStatement(idSelectQuerySpec, Collections.singletonList(new BasicFetch<>(0, null, null, identifierMapping, null, FetchTiming.IMMEDIATE, null)));
final JdbcSelect jdbcSelect = jdbcServices.getJdbcEnvironment().getSqlAstTranslatorFactory().buildSelectTranslator(sessionFactory, selectStatement).translate(null, executionContext.getQueryOptions());
final List<Object> list = jdbcServices.getJdbcSelectExecutor().list(jdbcSelect, JdbcParameterBindings.NO_BINDINGS, executionContext, null, ListResultsConsumer.UniqueSemantic.NONE);
entityTableToRootIdentity = new LinkedHashMap<>(list.size());
for (Object o : list) {
entityTableToRootIdentity.put(o, null);
}
querySpec.applyPredicate(new ComparisonPredicate(columnReference, ComparisonOperator.EQUAL, new JdbcParameterImpl(identifierMapping.getJdbcMapping())));
} else {
entityTableToRootIdentity = null;
if (identifierGenerator instanceof OptimizableGenerator) {
final Optimizer optimizer = ((OptimizableGenerator) identifierGenerator).getOptimizer();
// but only if the target paths don't already contain the id
if (optimizer != null && optimizer.getIncrementSize() > 1 && insertStatement.getTargetColumnReferences().stream().noneMatch(c -> keyColumns[0].equals(c.getColumnExpression()))) {
final BasicEntityIdentifierMapping identifierMapping = (BasicEntityIdentifierMapping) entityDescriptor.getIdentifierMapping();
final JdbcParameter rowNumber = new JdbcParameterImpl(identifierMapping.getJdbcMapping());
final JdbcParameter rootIdentity = new JdbcParameterImpl(identifierMapping.getJdbcMapping());
final List<Assignment> temporaryTableAssignments = new ArrayList<>(1);
final ColumnReference idColumnReference = new ColumnReference((String) null, identifierMapping, sessionFactory);
temporaryTableAssignments.add(new Assignment(idColumnReference, rootIdentity));
final TemporaryTableColumn rowNumberColumn = entityTable.getColumns().get(entityTable.getColumns().size() - 1);
final UpdateStatement updateStatement = new UpdateStatement(temporaryTableReference, temporaryTableAssignments, new ComparisonPredicate(new ColumnReference((String) null, rowNumberColumn.getColumnName(), false, null, null, rowNumberColumn.getJdbcMapping(), sessionFactory), ComparisonOperator.EQUAL, rowNumber));
final JdbcUpdate jdbcUpdate = jdbcServices.getJdbcEnvironment().getSqlAstTranslatorFactory().buildUpdateTranslator(sessionFactory, updateStatement).translate(null, executionContext.getQueryOptions());
final JdbcParameterBindings updateBindings = new JdbcParameterBindingsImpl(2);
for (int i = 0; i < rows; i++) {
updateBindings.addBinding(rowNumber, new JdbcParameterBindingImpl(rowNumberColumn.getJdbcMapping(), i + 1));
updateBindings.addBinding(rootIdentity, new JdbcParameterBindingImpl(identifierMapping.getJdbcMapping(), identifierGenerator.generate(executionContext.getSession(), null)));
jdbcServices.getJdbcMutationExecutor().execute(jdbcUpdate, updateBindings, sql -> executionContext.getSession().getJdbcCoordinator().getStatementPreparer().prepareStatement(sql), (integer, preparedStatement) -> {
}, executionContext);
}
insertStatement.addTargetColumnReferences(new ColumnReference((String) null, keyColumns[0], false, null, null, identifierMapping.getJdbcMapping(), sessionFactory));
querySpec.getSelectClause().addSqlSelection(new SqlSelectionImpl(1, 0, new ColumnReference(updatingTableReference.getIdentificationVariable(), idColumnReference.getColumnExpression(), false, null, null, idColumnReference.getJdbcMapping(), sessionFactory)));
}
}
}
final JdbcInsert jdbcInsert = jdbcServices.getJdbcEnvironment().getSqlAstTranslatorFactory().buildInsertTranslator(sessionFactory, insertStatement).translate(null, executionContext.getQueryOptions());
if (identifierGenerator instanceof PostInsertIdentifierGenerator) {
final PostInsertIdentifierGenerator generator = (PostInsertIdentifierGenerator) identifierGenerator;
final boolean generatedKeysEnabled = sessionFactory.getSessionFactoryOptions().isGetGeneratedKeysEnabled();
final InsertGeneratedIdentifierDelegate identifierDelegate = generator.getInsertGeneratedIdentifierDelegate((PostInsertIdentityPersister) entityDescriptor.getEntityPersister(), jdbcServices.getDialect(), generatedKeysEnabled);
final String finalSql = identifierDelegate.prepareIdentifierGeneratingInsert(jdbcInsert.getSql());
final BasicEntityIdentifierMapping identifierMapping = (BasicEntityIdentifierMapping) entityDescriptor.getIdentifierMapping();
final ValueBinder jdbcValueBinder = identifierMapping.getJdbcMapping().getJdbcValueBinder();
for (Map.Entry<Object, Object> entry : entityTableToRootIdentity.entrySet()) {
final Object rootIdentity = identifierDelegate.performInsert(finalSql, executionContext.getSession(), new Binder() {
@Override
public void bindValues(PreparedStatement ps) throws SQLException {
jdbcValueBinder.bind(ps, entry.getKey(), 1, executionContext.getSession());
}
@Override
public Object getEntity() {
return null;
}
});
entry.setValue(rootIdentity);
}
final JdbcParameter entityIdentity = new JdbcParameterImpl(identifierMapping.getJdbcMapping());
final JdbcParameter rootIdentity = new JdbcParameterImpl(identifierMapping.getJdbcMapping());
final List<Assignment> temporaryTableAssignments = new ArrayList<>(1);
temporaryTableAssignments.add(new Assignment(new ColumnReference((String) null, identifierMapping, sessionFactory), rootIdentity));
final UpdateStatement updateStatement = new UpdateStatement(temporaryTableReference, temporaryTableAssignments, new ComparisonPredicate(new ColumnReference((String) null, TemporaryTable.ENTITY_TABLE_IDENTITY_COLUMN, false, null, null, identifierMapping.getJdbcMapping(), sessionFactory), ComparisonOperator.EQUAL, entityIdentity));
final JdbcUpdate jdbcUpdate = jdbcServices.getJdbcEnvironment().getSqlAstTranslatorFactory().buildUpdateTranslator(sessionFactory, updateStatement).translate(null, executionContext.getQueryOptions());
final JdbcParameterBindings updateBindings = new JdbcParameterBindingsImpl(2);
for (Map.Entry<Object, Object> entry : entityTableToRootIdentity.entrySet()) {
updateBindings.addBinding(entityIdentity, new JdbcParameterBindingImpl(identifierMapping.getJdbcMapping(), entry.getKey()));
updateBindings.addBinding(rootIdentity, new JdbcParameterBindingImpl(identifierMapping.getJdbcMapping(), entry.getValue()));
jdbcServices.getJdbcMutationExecutor().execute(jdbcUpdate, updateBindings, sql -> executionContext.getSession().getJdbcCoordinator().getStatementPreparer().prepareStatement(sql), (integer, preparedStatement) -> {
}, executionContext);
}
} else {
jdbcServices.getJdbcMutationExecutor().execute(jdbcInsert, JdbcParameterBindings.NO_BINDINGS, sql -> executionContext.getSession().getJdbcCoordinator().getStatementPreparer().prepareStatement(sql), (integer, preparedStatement) -> {
}, executionContext);
}
}
use of org.hibernate.sql.exec.spi.JdbcInsert in project hibernate-orm by hibernate.
the class InsertExecutionDelegate method insertTable.
private void insertTable(String tableExpression, String[] keyColumns, boolean nullableTable, ExecutionContext executionContext) {
final TableReference updatingTableReference = updatingTableGroup.getTableReference(updatingTableGroup.getNavigablePath(), tableExpression, true, true);
final List<Assignment> assignments = assignmentsByTable.get(updatingTableReference);
if (nullableTable && (assignments == null || assignments.isEmpty())) {
// no assignments for this table - skip it
return;
}
final NamedTableReference dmlTargetTableReference = resolveUnionTableReference(updatingTableReference, tableExpression);
final QuerySpec querySpec = new QuerySpec(true);
final TableGroupImpl temporaryTableGroup = new TableGroupImpl(updatingTableGroup.getNavigablePath(), null, new NamedTableReference(insertStatement.getTargetTable().getTableExpression(), updatingTableReference.getIdentificationVariable(), false, sessionFactory), entityDescriptor);
querySpec.getFromClause().addRoot(temporaryTableGroup);
final InsertStatement insertStatement = new InsertStatement(dmlTargetTableReference);
insertStatement.setSourceSelectStatement(querySpec);
if (assignments != null && !assignments.isEmpty()) {
for (Assignment assignment : assignments) {
insertStatement.addTargetColumnReferences(assignment.getAssignable().getColumnReferences());
for (ColumnReference columnReference : assignment.getAssignable().getColumnReferences()) {
querySpec.getSelectClause().addSqlSelection(new SqlSelectionImpl(1, 0, new ColumnReference(updatingTableReference.getIdentificationVariable(), columnReference.getColumnExpression(), false, null, null, columnReference.getJdbcMapping(), sessionFactory)));
}
}
}
final String targetKeyColumnName = keyColumns[0];
final AbstractEntityPersister entityPersister = (AbstractEntityPersister) entityDescriptor.getEntityPersister();
final IdentifierGenerator identifierGenerator = entityPersister.getIdentifierGenerator();
final boolean needsKeyInsert;
if (identifierGenerator instanceof PostInsertIdentifierGenerator) {
needsKeyInsert = true;
} else if (identifierGenerator instanceof OptimizableGenerator) {
final Optimizer optimizer = ((OptimizableGenerator) identifierGenerator).getOptimizer();
// If the generator uses an optimizer, we have to generate the identifiers for the new rows
needsKeyInsert = optimizer != null && optimizer.getIncrementSize() > 1;
} else {
needsKeyInsert = false;
}
if (needsKeyInsert && insertStatement.getTargetColumnReferences().stream().noneMatch(c -> targetKeyColumnName.equals(c.getColumnExpression()))) {
final BasicEntityIdentifierMapping identifierMapping = (BasicEntityIdentifierMapping) entityDescriptor.getIdentifierMapping();
insertStatement.addTargetColumnReferences(new ColumnReference(dmlTargetTableReference.getIdentificationVariable(), targetKeyColumnName, false, null, null, identifierMapping.getJdbcMapping(), sessionFactory));
querySpec.getSelectClause().addSqlSelection(new SqlSelectionImpl(1, 0, new ColumnReference(updatingTableReference.getIdentificationVariable(), identifierMapping, sessionFactory)));
}
final JdbcServices jdbcServices = sessionFactory.getJdbcServices();
final JdbcInsert jdbcInsert = jdbcServices.getJdbcEnvironment().getSqlAstTranslatorFactory().buildInsertTranslator(sessionFactory, insertStatement).translate(null, executionContext.getQueryOptions());
jdbcServices.getJdbcMutationExecutor().execute(jdbcInsert, JdbcParameterBindings.NO_BINDINGS, sql -> executionContext.getSession().getJdbcCoordinator().getStatementPreparer().prepareStatement(sql), (integer, preparedStatement) -> {
}, executionContext);
}
use of org.hibernate.sql.exec.spi.JdbcInsert in project hibernate-orm by hibernate.
the class ExecuteWithTemporaryTableHelper method saveIntoTemporaryTable.
public static int saveIntoTemporaryTable(InsertStatement temporaryTableInsert, JdbcParameterBindings jdbcParameterBindings, ExecutionContext executionContext) {
final SessionFactoryImplementor factory = executionContext.getSession().getFactory();
final JdbcServices jdbcServices = factory.getJdbcServices();
final JdbcEnvironment jdbcEnvironment = jdbcServices.getJdbcEnvironment();
final SqlAstTranslatorFactory sqlAstTranslatorFactory = jdbcEnvironment.getSqlAstTranslatorFactory();
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 (temporaryTableInsert.getSourceSelectStatement() != null && !jdbcEnvironment.getDialect().supportsOuterJoinForUpdate()) {
temporaryTableInsert.getSourceSelectStatement().visitQuerySpecs(querySpec -> {
querySpec.getFromClause().visitTableJoins(tableJoin -> {
if (tableJoin.getJoinType() != SqlAstJoinType.INNER) {
lockOptions.setLockMode(lockMode);
}
});
});
}
final JdbcInsert jdbcInsert = sqlAstTranslatorFactory.buildInsertTranslator(factory, temporaryTableInsert).translate(jdbcParameterBindings, executionContext.getQueryOptions());
lockOptions.setLockMode(lockMode);
return jdbcServices.getJdbcMutationExecutor().execute(jdbcInsert, jdbcParameterBindings, sql -> executionContext.getSession().getJdbcCoordinator().getStatementPreparer().prepareStatement(sql), (integer, preparedStatement) -> {
}, executionContext);
}
use of org.hibernate.sql.exec.spi.JdbcInsert in project hibernate-orm by hibernate.
the class SimpleInsertQueryPlan method executeUpdate.
@Override
public int executeUpdate(DomainQueryExecutionContext executionContext) {
BulkOperationCleanupAction.schedule(executionContext.getSession(), sqmInsert);
final SharedSessionContractImplementor session = executionContext.getSession();
final SessionFactoryImplementor factory = session.getFactory();
final JdbcServices jdbcServices = factory.getJdbcServices();
SqlAstTranslator<JdbcInsert> insertTranslator = null;
if (jdbcInsert == null) {
insertTranslator = createInsertTranslator(executionContext);
}
final JdbcParameterBindings jdbcParameterBindings = SqmUtil.createJdbcParameterBindings(executionContext.getQueryParameterBindings(), domainParameterXref, jdbcParamsXref, factory.getRuntimeMetamodels().getMappingMetamodel(), tableGroupAccess::findTableGroup, new SqmParameterMappingModelResolutionAccess() {
@Override
@SuppressWarnings("unchecked")
public <T> MappingModelExpressible<T> getResolvedMappingModelType(SqmParameter<T> parameter) {
return (MappingModelExpressible<T>) paramTypeResolutions.get(parameter);
}
}, session);
if (jdbcInsert != null && !jdbcInsert.isCompatibleWith(jdbcParameterBindings, executionContext.getQueryOptions())) {
insertTranslator = createInsertTranslator(executionContext);
}
if (insertTranslator != null) {
jdbcInsert = insertTranslator.translate(jdbcParameterBindings, executionContext.getQueryOptions());
} else {
jdbcInsert.bindFilterJdbcParameters(jdbcParameterBindings);
}
return jdbcServices.getJdbcMutationExecutor().execute(jdbcInsert, jdbcParameterBindings, sql -> session.getJdbcCoordinator().getStatementPreparer().prepareStatement(sql), (integer, preparedStatement) -> {
}, SqmJdbcExecutionContextAdapter.omittingLockingAndPaging(executionContext));
}
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