InsertLotsOfData.java example

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h-store-master
/* This file is part of VoltDB.
 * Copyright (C) 2008-2010 VoltDB L.L.C.
 *
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 * "Software"), to deal in the Software without restriction, including
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 * 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 org.voltdb.regressionsuites.failureprocs;

import org.voltdb.*;

@ProcInfo (
    partitionInfo = "FIVEK_STRING.P: 0",
    singlePartition = true
)
public class InsertLotsOfData extends VoltProcedure {

    public final SQLStmt insertBigString = new SQLStmt("INSERT INTO WIDE VALUES (" +
            "?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, " +
            "?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ? " +
            ");");

    public long run(long p, long initialId) {
        final int STRLEN = 62;

        int totalBytes = 0;
        final int MB75Bytes = 1024 * 1024 * 5;

        /**
         * String is inlined in the tuple so the space is taken up either way. No need to
         * transmit all the extra bytes to the IPC client.
         */
        String theString = "";

        while (totalBytes < MB75Bytes) {
            voltQueueSQL(insertBigString, initialId++, p,
                    theString, theString, theString, theString, theString, theString, theString, theString, theString, theString,
                    theString, theString, theString, theString, theString, theString, theString, theString, theString, theString,
                    theString, theString, theString, theString, theString, theString, theString, theString, theString, theString,
                    theString, theString, theString, theString, theString, theString, theString, theString, theString, theString);
            long tuplesChanged = voltExecuteSQL()[0].asScalarLong();
            assert(tuplesChanged == 1);
            totalBytes += (STRLEN * 40);
        }
        return initialId;
    }
}