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(parent: 22347dc) | patch
Add a little more smarts to estimate_hash_bucketsize(): if there's no
authorTom Lane <tgl@sss.pgh.pa.us>
Sun, 5 Oct 2003 22:44:25 +0000 (22:44 +0000)
committerTom Lane <tgl@sss.pgh.pa.us>
Sun, 5 Oct 2003 22:44:25 +0000 (22:44 +0000)
commita1dcd8f6dd80cfa3e2670d5f1f09fc7eec5d6e53
treeb4cc54aa7d865e36426ac04119bcc03a8e81eb73tree
parent22347dc10221f5f308dda2f858d5b43d71c9b2d5commit | diff
Add a little more smarts to estimate_hash_bucketsize(): if there's no
statistics, but there is a unique index on the column, we can safely
assume it's well-distributed.
src/backend/optimizer/path/costsize.c diff | blob | blame | history
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