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SimpleInsertQueryPlan.java
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SimpleInsertQueryPlan.java
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/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* License: GNU Lesser General Public License (LGPL), version 2.1 or later
* See the lgpl.txt file in the root directory or http://www.gnu.org/licenses/lgpl-2.1.html
*/
package org.hibernate.query.sqm.internal;
import org.hibernate.engine.jdbc.env.spi.JdbcEnvironment;
import org.hibernate.engine.jdbc.spi.JdbcServices;
import org.hibernate.engine.spi.SessionFactoryImplementor;
import org.hibernate.query.spi.NonSelectQueryPlan;
import org.hibernate.query.spi.QueryEngine;
import org.hibernate.query.spi.QueryParameterImplementor;
import org.hibernate.query.sqm.sql.SqmInsertTranslation;
import org.hibernate.query.sqm.sql.SqmInsertTranslator;
import org.hibernate.query.sqm.sql.SqmTranslatorFactory;
import org.hibernate.query.sqm.tree.expression.SqmParameter;
import org.hibernate.query.sqm.tree.insert.SqmInsertStatement;
import org.hibernate.sql.ast.SqlAstInsertSelectTranslator;
import org.hibernate.sql.ast.SqlAstTranslatorFactory;
import org.hibernate.sql.ast.spi.FromClauseAccess;
import org.hibernate.sql.ast.tree.expression.JdbcParameter;
import org.hibernate.sql.exec.spi.ExecutionContext;
import org.hibernate.sql.exec.spi.JdbcInsert;
import org.hibernate.sql.exec.spi.JdbcParameterBindings;
import java.util.List;
import java.util.Map;
/**
* @author Gavin King
*/
public class SimpleInsertQueryPlan implements NonSelectQueryPlan {
private final SqmInsertStatement sqmInsert;
private final DomainParameterXref domainParameterXref;
private JdbcInsert jdbcInsert;
private FromClauseAccess tableGroupAccess;
private Map<QueryParameterImplementor<?>, Map<SqmParameter, List<JdbcParameter>>> jdbcParamsXref;
public SimpleInsertQueryPlan(
SqmInsertStatement sqmInsert,
DomainParameterXref domainParameterXref) {
this.sqmInsert = sqmInsert;
this.domainParameterXref = domainParameterXref;
}
@Override
public int executeUpdate(ExecutionContext executionContext) {
final SessionFactoryImplementor factory = executionContext.getSession().getFactory();
final JdbcServices jdbcServices = factory.getJdbcServices();
if ( jdbcInsert == null ) {
final QueryEngine queryEngine = factory.getQueryEngine();
final SqmTranslatorFactory translatorFactory = queryEngine.getSqmTranslatorFactory();
final SqmInsertTranslator translator = translatorFactory.createInsertTranslator(
executionContext.getQueryOptions(),
domainParameterXref,
executionContext.getQueryParameterBindings(),
executionContext.getLoadQueryInfluencers(),
factory
);
final SqmInsertTranslation sqmInterpretation = translator.translate(sqmInsert);
tableGroupAccess = translator.getFromClauseAccess();
this.jdbcParamsXref = SqmUtil.generateJdbcParamsXref(
domainParameterXref,
sqmInterpretation::getJdbcParamsBySqmParam
);
final JdbcEnvironment jdbcEnvironment = jdbcServices.getJdbcEnvironment();
final SqlAstTranslatorFactory sqlAstTranslatorFactory = jdbcEnvironment.getSqlAstTranslatorFactory();
final SqlAstInsertSelectTranslator sqlAstTranslator = sqlAstTranslatorFactory.buildInsertTranslator( factory );
jdbcInsert = sqlAstTranslator.translate( sqmInterpretation.getSqlAst() );
}
final JdbcParameterBindings jdbcParameterBindings = SqmUtil.createJdbcParameterBindings(
executionContext.getQueryParameterBindings(),
domainParameterXref,
jdbcParamsXref,
factory.getDomainModel(),
tableGroupAccess::findTableGroup,
executionContext.getSession()
);
return jdbcServices.getJdbcMutationExecutor().execute(
jdbcInsert,
jdbcParameterBindings,
sql -> executionContext.getSession()
.getJdbcCoordinator()
.getStatementPreparer()
.prepareStatement( sql ),
(integer, preparedStatement) -> {},
executionContext
);
}
}