/*
* #%L
* Service Activity Monitoring :: Server
* %%
* Copyright (C) 2011 - 2012 Talend Inc.
* %%
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* #L%
*/
package org.talend.esb.sam.server.persistence.dialects;
/**
* Class to encapsulate difference between databases.
*
*/
public class PostgreSQLDialect extends AbstractDatabaseDialect {
private static final String QUERY = "select "
+ "EVENTS.MI_FLOW_ID, EI_TIMESTAMP, EI_EVENT_TYPE, "
+ "MI_PORT_TYPE, MI_OPERATION_NAME, MI_TRANSPORT_TYPE, "
+ "ORIG_HOSTNAME, ORIG_IP "
+ "from "
+ "(select MI_FLOW_ID from EVENTS WHERE (MI_FLOW_ID is not null) %%FILTER%% group by MI_FLOW_ID "
+ "order by MAX(EI_TIMESTAMP) DESC LIMIT %%LIMIT%% OFFSET %%OFFSET%%) as SUBQ "
+ "LEFT JOIN EVENTS ON "
+ "SUBQ.MI_FLOW_ID = EVENTS.MI_FLOW_ID "
+ "order by EI_TIMESTAMP DESC";
/* (non-Javadoc)
* @see org.talend.esb.sam.server.persistence.dialects.AbstractDatabaseDialect#getQuery()
*/
@Override
String getQuery() {
return QUERY;
}
@Override
public String getName() {
return "postgresqlDialect";
}
}