/*
 * CDB: If all the scans are distributed alike, set
 * the result locus to match.  Otherwise, if all are partitioned,
 * set it to strewn.  A mixture of partitioned and non-partitioned
 * scans should not occur after above correction;
 *
 * CDB TODO: When the scans are not all partitioned alike, and the
 * result is joined with another rel, consider pushing the join
 * below the Append so that child tables that are properly
 * distributed can be joined in place.
 */
if (isfirst)
{
	targetlocus = projectedlocus;
	isfirst = false;
}
else if (cdbpathlocus_equal(targetlocus, projectedlocus))
{
	/* compatible */
}
else
{
	/*
	 * subpaths have different distributed policy, mark it as random
	 * distributed and set the numsegments to the maximum of all
	 * subpaths to not missing any tuples.
	 */
	CdbPathLocus_MakeStrewn(&targetlocus,
							Max(CdbPathLocus_NumSegments(targetlocus),
								CdbPathLocus_NumSegments(projectedlocus)));
	break;
}