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| author | Bruce Momjian <bruce@momjian.us> | 2018-03-29 14:38:32 -0400 |
|---|---|---|
| committer | Bruce Momjian <bruce@momjian.us> | 2018-03-29 14:38:39 -0400 |
| commit | 3282c4c136e4e5ad22d57dbe7a98fbac2962500a (patch) | |
| tree | c0a87beadfa099bacc5a37db1f14aa763812ae5b /src | |
| parent | 8cdc834647b8b1558c10a7d27a3580a32e04c500 (diff) | |
| download | postgresql-3282c4c136e4e5ad22d57dbe7a98fbac2962500a.tar.gz postgresql-3282c4c136e4e5ad22d57dbe7a98fbac2962500a.zip | |
README change: update for hash access method
Reported-by: Thomas Munro, Justin Pryzby
Discussion: https://postgr.es/m/CAEepm=1_682z-09DNHj4GkCJAqWK-D6h9Oq5ea84T1oqq1-Utg@mail.gmail.com
Diffstat (limited to 'src')
| -rw-r--r-- | src/backend/access/hash/README | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/backend/access/hash/README b/src/backend/access/hash/README index bb90722778f..21b4a82b0b0 100644 --- a/src/backend/access/hash/README +++ b/src/backend/access/hash/README @@ -189,8 +189,8 @@ reality, InvalidBlockNumber. After computing the ostensibly-correct bucket number based on our cached copy of the metapage, we lock the corresponding primary bucket page and check whether the bucket count stored in hasho_prevblkno is greater than -our the number of buckets stored in our cached copy of the metapage. If -so, the bucket has certainly been split, because the must originally +the number of buckets stored in our cached copy of the metapage. If +so, the bucket has certainly been split, because the count must originally have been less than the number of buckets that existed at that time and can't have increased except due to a split. If not, the bucket can't have been split, because a split would have created a new bucket with a higher |