bigTablePos, smbJoinDesc.getConds(),
smbJoinDesc.getFilters(), smbJoinDesc.isNoOuterJoin(), smbJoinDesc.getDumpFilePrefix());
RowResolver joinRS = opParseCtxMap.get(smbJoinOp).getRowResolver();
// The mapjoin has the same schema as the join operator
MapJoinOperator mapJoinOp = (MapJoinOperator) OperatorFactory.getAndMakeChild(
mapJoinDesc, joinRS.getRowSchema(),
new ArrayList<Operator<? extends OperatorDesc>>());
OpParseContext ctx = new OpParseContext(joinRS);
opParseCtxMap.put(mapJoinOp, ctx);
// change the children of the original join operator to point to the map
// join operator
List<Operator<? extends OperatorDesc>> childOps = smbJoinOp.getChildOperators();
for (Operator<? extends OperatorDesc> childOp : childOps) {
childOp.replaceParent(smbJoinOp, mapJoinOp);
}
mapJoinOp.setChildOperators(childOps);
smbJoinOp.setChildOperators(null);
// change the parent of the original SMBjoin operator to point to the map
// join operator
List<Operator<? extends OperatorDesc>> parentOps = smbJoinOp.getParentOperators();
for (Operator<? extends OperatorDesc> parentOp : parentOps) {
parentOp.replaceChild(smbJoinOp, mapJoinOp);
}
mapJoinOp.setParentOperators(parentOps);
smbJoinOp.setParentOperators(null);
return mapJoinOp;
}