/* 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 com.procedures;
import org.voltdb.SQLStmt;
import org.voltdb.VoltProcedure;
import org.voltdb.VoltTable;
public class Scan extends VoltProcedure {
public final SQLStmt getBddStmt = new SQLStmt("SELECT value FROM Store WHERE keyspace = ? AND key >= ? LIMIT ?");
public final SQLStmt getUnbddStmt = new SQLStmt("SELECT value FROM Store WHERE keyspace = ? LIMIT ?");
public VoltTable[] run(byte[] keyspace, String partKey, byte[] rangeMin, int count) throws Exception
{
if (rangeMin != null)
{
voltQueueSQL(getBddStmt, keyspace, new String(rangeMin, "UTF-8"), count);
}
else
{
voltQueueSQL(getUnbddStmt, keyspace, count);
}
return voltExecuteSQL(true);
}
}