org.h2.command.dml.ExecuteImmediate Maven / Gradle / Ivy
/*
* Copyright 2004-2019 H2 Group. Multiple-Licensed under the MPL 2.0,
* and the EPL 1.0 (https://h2database.com/html/license.html).
* Initial Developer: H2 Group
*/
package org.h2.command.dml;
import org.h2.api.ErrorCode;
import org.h2.command.CommandInterface;
import org.h2.command.Prepared;
import org.h2.engine.Session;
import org.h2.expression.Expression;
import org.h2.message.DbException;
import org.h2.result.ResultInterface;
/**
* This class represents the statement
* EXECUTE IMMEDIATE.
*/
public class ExecuteImmediate extends Prepared {
private Expression statement;
public ExecuteImmediate(Session session, Expression statement) {
super(session);
this.statement = statement.optimize(session);
}
@Override
public int update() {
String sql = statement.getValue(session).getString();
if (sql == null) {
throw DbException.getInvalidValueException("SQL command", null);
}
Prepared command = session.prepare(sql);
if (command.isQuery()) {
throw DbException.get(ErrorCode.SYNTAX_ERROR_2, sql, "");
}
return command.update();
}
@Override
public boolean isTransactional() {
return true;
}
@Override
public int getType() {
return CommandInterface.EXECUTE_IMMEDIATELY;
}
@Override
public ResultInterface queryMeta() {
return null;
}
}