Fix ancient thinko in mergejoin cost estimation.
"rescanratio" was computed as 1 + rescanned-tuples / total-inner-tuples,
which is sensible if it's to be multiplied by total-inner-tuples or a cost
value corresponding to scanning all the inner tuples. But in reality it
was (mostly) multiplied by i
Fix ancient thinko in mergejoin cost estimation.
"rescanratio" was computed as 1 + rescanned-tuples / total-inner-tuples,
which is sensible if it's to be multiplied by total-inner-tuples or a cost
value corresponding to scanning all the inner tuples. But in reality it
was (mostly) multiplied by i
Fix ancient thinko in mergejoin cost estimation.
"rescanratio" was computed as 1 + rescanned-tuples / total-inner-tuples,
which is sensible if it's to be multiplied by total-inner-tuples or a cost
value corresponding to scanning all the inner tuples. But in reality it
was (mostly) multiplied by i
Fix ancient thinko in mergejoin cost estimation.
"rescanratio" was computed as 1 + rescanned-tuples / total-inner-tuples,
which is sensible if it's to be multiplied by total-inner-tuples or a cost
value corresponding to scanning all the inner tuples. But in reality it
was (mostly) multiplied by i
Fix ancient thinko in mergejoin cost estimation.
"rescanratio" was computed as 1 + rescanned-tuples / total-inner-tuples,
which is sensible if it's to be multiplied by total-inner-tuples or a cost
value corresponding to scanning all the inner tuples. But in reality it
was (mostly) multiplied by i
Fix ancient thinko in mergejoin cost estimation.
"rescanratio" was computed as 1 + rescanned-tuples / total-inner-tuples,
which is sensible if it's to be multiplied by total-inner-tuples or a cost
value corresponding to scanning all the inner tuples. But in reality it
was (mostly) multiplied by i
Update sepgsql regression test results for commit ca4103025.
Per buildfarm.
Branch
--
master
Details
---
https://git.postgresql.org/pg/commitdiff/b2d9e17768864030fb0829b55303b8b72bfd809f
Modified Files
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contrib/sepgsql/expected/alter.out | 1 +
1 file changed, 1 insertion(+
Make collation-aware system catalog columns use "C" collation.
Up to now we allowed text columns in system catalogs to use collation
"default", but that isn't really safe because it might mean something
different in template0 than it means in a database cloned from template0.
In particular, this c
Doc: fix typo in "Generic File Access Functions" section.
Issue reported by me and fix by Tom Lane.
Discussion:
https://postgr.es/m/20181219.080458.1434575730369741406.t-ishii%40sraoss.co.jp
Branch
--
master
Details
---
https://git.postgresql.org/pg/commitdiff/3cab54878dbf212c08699bb974
Doc: fix typo in "Generic File Access Functions" section.
Issue reported by me and fix by Tom Lane.
Discussion:
https://postgr.es/m/20181219.080458.1434575730369741406.t-ishii%40sraoss.co.jp
Branch
--
REL_11_STABLE
Details
---
https://git.postgresql.org/pg/commitdiff/84fcc2ce56962a82e4d
Correct obsolete nbtree recovery comments.
Commit 40dae7ec537, which made the handling of interrupted nbtree page
splits more robust, removed an nbtree-specific end-of-recovery cleanup
step. This meant that it was no longer possible to complete an
interrupted page split during recovery. However,
Correct obsolete nbtree recovery comments.
Commit 40dae7ec537, which made the handling of interrupted nbtree page
splits more robust, removed an nbtree-specific end-of-recovery cleanup
step. This meant that it was no longer possible to complete an
interrupted page split during recovery. However,
Remove obsolete nbtree duplicate entries comment.
Remove a comment from the Berkeley days claiming that nbtree must
disambiguate duplicate keys within _bt_moveright(). There is no special
care taken around duplicates within _bt_moveright(), at least since
commit 9e85183bfc3 removed inscrutable _b
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