/***************************************************************************
* Copyright (C) 2010 by H-Store Project *
* Brown University *
* Massachusetts Institute of Technology *
* Yale University *
* *
* Permission is hereby granted, free of charge, to any person obtaining *
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* permit persons to whom the Software is furnished to do so, subject to *
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* *
* The above copyright notice and this permission notice shall be *
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***************************************************************************/
package edu.brown.benchmark.markov.procedures;
import org.voltdb.ProcInfo;
import org.voltdb.SQLStmt;
import org.voltdb.VoltProcedure;
import org.voltdb.VoltTable;
import org.voltdb.VoltType;
import edu.brown.benchmark.markov.MarkovConstants;
@ProcInfo(singlePartition = false)
public class GetDRecord extends VoltProcedure {
public final SQLStmt GET_D = new SQLStmt("SELECT D_ID, D_B_ID, D_C_ID " + " FROM " + MarkovConstants.TABLENAME_TABLED + " WHERE D_ID = ? ");
public final SQLStmt GET_B = new SQLStmt("SELECT B_ID, B_A_ID, A_SATTR02, A_IATTR02 " + " FROM " + MarkovConstants.TABLENAME_TABLEB + ", " + MarkovConstants.TABLENAME_TABLEA + " WHERE B_ID = ? "
+ " AND B_A_ID = A_ID");
public final SQLStmt GET_C = new SQLStmt("SELECT C_ID, C_A_ID, A_SATTR01, A_IATTR01 " + " FROM " + MarkovConstants.TABLENAME_TABLEC + ", " + MarkovConstants.TABLENAME_TABLEA + " WHERE C_ID = ? "
+ " AND C_A_ID = A_ID");
public VoltTable[] run(long d_id) throws VoltAbortException {
voltQueueSQL(GET_D, d_id);
final VoltTable[] d_results = voltExecuteSQL();
assert (d_results.length == 1);
while (d_results[0].advanceRow()) {
System.err.print("RESULT (");
String add = "";
for (int i = 0, cnt = d_results[0].getColumnCount(); i < cnt; i++) {
System.err.print(add + d_results[0].getLong(i));
add = ", ";
} // FOR
long b_id = d_results[0].getLong(1);
long c_id = d_results[0].getLong(2);
if (b_id > c_id) {
voltQueueSQL(GET_B, b_id);
System.err.print(add + " GET_B(");
} else {
voltQueueSQL(GET_C, c_id);
System.err.print(add + " GET_C(");
}
add = "";
final VoltTable[] inner_results = voltExecuteSQL();
assert (inner_results.length == 0);
while (inner_results[0].advanceRow()) {
for (int i = 0, cnt = inner_results[0].getColumnCount(); i < cnt; i++) {
VoltType col_type = inner_results[0].getColumnType(i);
System.err.print(add + col_type.name() + "[");
System.err.print(inner_results[0].get(i, col_type));
System.err.print("]");
add = ", ";
} // FOR
} // WHILE
System.err.println("))");
return (inner_results);
} // WHILE
return (null);
}
}