/***************************************************************************
* Copyright (C) 2009 by H-Store Project *
* Brown University *
* Massachusetts Institute of Technology *
* Yale University *
* *
* Original Version: *
* Zhe Zhang (zhe@cs.brown.edu) *
* *
* Modifications by: *
* Andy Pavlo (pavlo@cs.brown.edu) *
* http://www.cs.brown.edu/~pavlo/ *
* *
* 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 edu.brown.benchmark.tm1.procedures;
import org.voltdb.ProcInfo;
import org.voltdb.SQLStmt;
import org.voltdb.VoltProcedure;
import org.voltdb.VoltTable;
import edu.brown.benchmark.tm1.TM1Constants;
@ProcInfo(
partitionParam = 0,
singlePartition = false
)
public class InsertCallForwarding extends VoltProcedure {
public final SQLStmt query1 = new SQLStmt(
"SELECT s_id FROM " + TM1Constants.TABLENAME_SUBSCRIBER + " WHERE sub_nbr = ?"
);
public final SQLStmt query2 = new SQLStmt(
"SELECT sf_type FROM " + TM1Constants.TABLENAME_SPECIAL_FACILITY + " WHERE s_id = ?"
);
public final SQLStmt update = new SQLStmt(
"INSERT INTO " + TM1Constants.TABLENAME_CALL_FORWARDING + " VALUES (?, ?, ?, ?, ?)"
);
public final SQLStmt check = new SQLStmt(
"SELECT s_id FROM " + TM1Constants.TABLENAME_CALL_FORWARDING +
" WHERE s_id = ? AND sf_type = ? AND start_time = ?"
);
/**
* If this is set to true, then we will use the "check" query to look
* whether our Call_Forwarding record already exists before we try to insert
* it.
*/
public static final boolean NO_CONSTRAINT_ABORT = true;
public long run(String sub_nbr, long sf_type, long start_time, long end_time, String numberx) throws VoltAbortException {
VoltTable result[] = null;
voltQueueSQL(query1, sub_nbr);
result = voltExecuteSQL();
assert (result.length == 1);
if (result[0].getRowCount() != 1) {
String msg = "Got back " + result[0].getRowCount() + " tuples returned for sub_nbr '" + sub_nbr + "'";
throw new VoltAbortException(msg);
}
boolean adv = result[0].advanceRow();
assert (adv);
long s_id = result[0].getLong(0);
voltQueueSQL(query2, s_id);
voltExecuteSQL();
// System.err.println("INSERT CALL FORWARD SLEEP!");
// ThreadUtil.sleep(10000);
// Inserting a new Call_Forwarding record only succeeds 30% of the time
// Check whether the record that we want to insert already exists in
// Call_Forwarding
// This is *not* how it's suppose to be done, but there is current no
// way to check
// whether the insert failed from inside of the xact
if (NO_CONSTRAINT_ABORT) {
voltQueueSQL(check, s_id, sf_type, start_time);
result = voltExecuteSQL(true);
}
if (result == null || result.length == 0 || result[0].getRowCount() == 0) {
voltQueueSQL(update, s_id, sf_type, start_time, end_time, numberx);
result = voltExecuteSQL(true);
assert result.length == 1;
return result[0].asScalarLong();
}
if (NO_CONSTRAINT_ABORT) {
throw new VoltAbortException("Call_Forwarding entry already exists");
}
return (0l);
}
}