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postgres/src/backend
Tom Lane c5c97318f9 In find_mergeclauses_for_pathkeys, it's okay to return multiple merge
clauses per path key.  Indeed, we *must* do so or we will be unable to
form a valid plan for FULL JOIN with overlapping join conditions, eg
select * from a full join b on
a.v1 = b.v1 and a.v2 = b.v2 and a.v1 = b.v2.
2001-11-11 20:33:53 +00:00
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2001-10-31 05:16:31 +00:00