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Optimize COPY FREEZE with CREATE TABLE also.

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Jeff Davis, additional test by me
This commit is contained in:
Simon Riggs
2012-12-07 13:26:52 +00:00
parent 1eb6cee499
commit 1f023f9297
3 changed files with 19 additions and 4 deletions
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3
src/backend/commands/copy.c
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@ -2002,7 +2002,8 @@ CopyFrom(CopyState cstate)
if (cstate->freeze &&
ThereAreNoPriorRegisteredSnapshots() &&
ThereAreNoReadyPortals() &&
cstate->rel->rd_newRelfilenodeSubid == GetCurrentSubTransactionId())
(cstate->rel->rd_newRelfilenodeSubid == GetCurrentSubTransactionId() ||
cstate->rel->rd_createSubid == GetCurrentSubTransactionId()))
hi_options |= HEAP_INSERT_FROZEN;
}