/*
* JBoss, Home of Professional Open Source.
* See the COPYRIGHT.txt file distributed with this work for information
* regarding copyright ownership. Some portions may be licensed
* to Red Hat, Inc. under one or more contributor license agreements.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301 USA.
*/
package org.teiid.query.resolver.command;
import org.teiid.api.exception.query.QueryMetadataException;
import org.teiid.api.exception.query.QueryResolverException;
import org.teiid.core.TeiidComponentException;
import org.teiid.metadata.Table.TriggerEvent;
import org.teiid.query.QueryPlugin;
import org.teiid.query.metadata.TempMetadataAdapter;
import org.teiid.query.resolver.CommandResolver;
import org.teiid.query.resolver.QueryResolver;
import org.teiid.query.resolver.util.ResolverUtil;
import org.teiid.query.sql.lang.Alter;
import org.teiid.query.sql.lang.AlterProcedure;
import org.teiid.query.sql.lang.AlterTrigger;
import org.teiid.query.sql.lang.Command;
public class AlterResolver implements CommandResolver {
@Override
public void resolveCommand(Command command, TempMetadataAdapter metadata,
boolean resolveNullLiterals) throws QueryMetadataException,
QueryResolverException, TeiidComponentException {
Alter<? extends Command> alter = (Alter<? extends Command>)command;
ResolverUtil.resolveGroup(alter.getTarget(), metadata);
int type = Command.TYPE_QUERY;
boolean viewTarget = true;
if (alter instanceof AlterTrigger) {
TriggerEvent event = ((AlterTrigger)alter).getEvent();
switch (event) {
case DELETE:
type = Command.TYPE_DELETE;
break;
case INSERT:
type = Command.TYPE_INSERT;
break;
case UPDATE:
type = Command.TYPE_UPDATE;
break;
}
} else if (alter instanceof AlterProcedure) {
type = Command.TYPE_STORED_PROCEDURE;
viewTarget = false;
}
if (viewTarget && !QueryResolver.isView(alter.getTarget(), metadata)) {
throw new QueryResolverException(QueryPlugin.Util.getString("AlterResolver.not_a_view", alter.getTarget())); //$NON-NLS-1$
}
if (alter.getDefinition() != null) {
QueryResolver.resolveCommand(alter.getDefinition(), alter.getTarget(), type, metadata.getDesignTimeMetadata());
}
}
}