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Do not push down quals into subqueries that have LIMIT/OFFSET clauses,

author Tom Lane <tgl@sss.pgh.pa.us>

2001年7月16日 17:57:02 +0000 (17:57 +0000)

committer Tom Lane <tgl@sss.pgh.pa.us>

2001年7月16日 17:57:02 +0000 (17:57 +0000)

commit 40db52af341f24d61950e8311f634ddfb278ee5b

tree 3b05dd21a9ddfd160de24dc0afba073d4de581bf tree

parent 8ba3548ebf68b176e79d35929514da698fb62bf8 commit | diff

Do not push down quals into subqueries that have LIMIT/OFFSET clauses,
since the added qual could change the set of rows that get past the
LIMIT. Per discussion on pgsql-sql 7/15/01.

src/backend/optimizer/path/allpaths.c diff | blob | blame | history

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