/* This file is part of VoltDB.
* Copyright (C) 2008-2014 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
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*/
package txnIdSelfCheck.procedures;
import org.voltdb.SQLStmt;
import org.voltdb.VoltProcedure;
import org.voltdb.VoltTable;
import org.voltdb.VoltTableRow;
//import org.voltdb.VoltProcedure.VoltAbortException;
public class PopulateDimension extends VoltProcedure {
public final SQLStmt d_getCount = new SQLStmt(
"select count(*) FROM dimension WHERE cid = ?");
public final SQLStmt d_Insert = new SQLStmt(
"insert into dimension (cid, desc) VALUES (?, ?);");
// INSERT one row per cid to the dimension table unless already exists
public VoltTable[] run(byte cid) {
voltQueueSQL(d_getCount, cid);
VoltTable[] results = voltExecuteSQL(false);
VoltTable dim = results[0];
long rowCount = dim.getRowCount();
if (rowCount != 1) {
throw new VoltAbortException(getClass().getName() +
" invalid row count " + rowCount + " for count query" +
" on dimension table for cid " + cid);
}
VoltTableRow row = dim.fetchRow(0);
long c = row.getLong(0);
switch ((int)c) {
case 0:
voltQueueSQL(d_Insert, cid, cid);
results = voltExecuteSQL(true);
case 1:
return new VoltTable[] {};
default:
throw new VoltAbortException(getClass().getName() +
" invalid count " + c + " of dimension rows" +
" for cid " + cid);
}
}
}