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Prevent core dump when ExecMarkPos is called before any tuples have been

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

2002年12月18日 00:14:24 +0000 (00:14 +0000)

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

2002年12月18日 00:14:24 +0000 (00:14 +0000)

commit 689659764faa749b27930f956aa8d1c88b73842d

tree 0c2641d22ca332cd9f08f4db6d21435f3685c008 tree

parent 49077e87aff0fcb4715edd83d21b99e2f61ca4a1 commit | diff

Prevent core dump when ExecMarkPos is called before any tuples have been
retrieved. This cannot happen in ordinary execution, but it can happen
under EvalPlanQual().

src/backend/executor/nodeIndexscan.c diff | blob | blame | history

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