@Override
public void writeExternal(ObjectOutput out) throws IOException {
SpliceLogUtils.trace(LOG, "writeExternal");
super.writeExternal(out);
out.writeInt(leftHashKeyItem);
out.writeInt(rightHashKeyItem);
out.writeInt(emptyRightRowsReturned);
}
@Override
public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException {
SpliceLogUtils.trace(LOG, "readExternal");
super.readExternal(in);
leftHashKeyItem = in.readInt();
rightHashKeyItem = in.readInt();
emptyRightRowsReturned = in.readInt();
}
@Override
public void init(SpliceOperationContext context) throws StandardException, IOException {
SpliceLogUtils.trace(LOG, "init");
super.init(context);
SpliceLogUtils.trace(
LOG, "leftHashkeyItem=%d,rightHashKeyItem=%d", leftHashKeyItem, rightHashKeyItem);
emptyRightRowsReturned = 0;
leftHashKeys = generateHashKeys(leftHashKeyItem);
rightHashKeys = generateHashKeys(rightHashKeyItem);
JoinUtils.getMergedRow(leftRow, rightRow, wasRightOuterJoin, mergedRow);
}