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Generalize mcv_selectivity() to support both VAR OP CONST and CONST OP VAR

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

2006年4月27日 17:52:40 +0000 (17:52 +0000)

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

2006年4月27日 17:52:40 +0000 (17:52 +0000)

commit 0f0a33099cf99e292c832efc60cf07fc8170bc5f

tree 6f59dfa841fa8ce7b45dbdb21e8cc2238b466a17 tree

parent afab814a18f5eb75a3f63381fc38e08295be4f76 commit | diff

Generalize mcv_selectivity() to support both VAR OP CONST and CONST OP VAR
cases. This was not needed in the existing uses within selfuncs.c, but if
we're gonna export it for general use, the extra generality seems helpful.
Motivated by looking at ltree example.

src/backend/utils/adt/selfuncs.c diff | blob | blame | history

src/include/utils/selfuncs.h diff | blob | blame | history

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