/* This file is part of VoltDB.
* Copyright (C) 2008-2017 VoltDB Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*/
package geospatial;
import org.voltdb.SQLStmt;
import org.voltdb.VoltProcedure;
/**
* This stored procedure removes all rows from the ad_requests table
* that are older than expiredAgeInSeconds.
*
* This procedure is invoked from NibbleDeleter using the "run-everywhere"
* pattern so the first parameter to the run method is used by VoltDB to tell
* VoltDB which site to execute the procedure on.
*/
public class DeleteOldAdRequests extends VoltProcedure {
final SQLStmt deleteStmt = new SQLStmt(
"delete from ad_requests "
+ "where ts < dateadd(second, ?, current_timestamp);");
public long run(long partitionKey, long expiredAgeInSeconds) {
voltQueueSQL(deleteStmt, -expiredAgeInSeconds);
return voltExecuteSQL(true)[0].asScalarLong();
}
}