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Fix tracking of temp table relation extensions as writes

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Karina figured out that I (Andres) confused BufferUsage.temp_blks_written with
BufferUsage.local_blks_written in fcdda1e4b5.

Tests in core PG can't easily test this, as BufferUsage is just used for
EXPLAIN (ANALYZE, BUFFERS) and pg_stat_statements. Thus this commit adds tests
for this to pg_stat_statements.

Reported-by: Karina Litskevich <litskevichkarina@gmail.com>
Author: Karina Litskevich <litskevichkarina@gmail.com>
Author: Andres Freund <andres@anarazel.de>
Discussion: https://postgr.es/m/CACiT8ibxXA6+0amGikbeFhm8B84XdQVo6D0Qfd1pQ1s8zpsnxQ@mail.gmail.com
Backpatch: 16-, where fcdda1e4b5 was merged
This commit is contained in:
Andres Freund
2023-09-13 19:14:09 -07:00
parent a0d87bcd9b
commit 7369798a83
3 changed files with 47 additions and 1 deletions
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2
src/backend/storage/buffer/localbuf.c
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@ -431,7 +431,7 @@ ExtendBufferedRelLocal(BufferManagerRelation bmr,
*extended_by = extend_by;
pgBufferUsage.temp_blks_written += extend_by;
pgBufferUsage.local_blks_written += extend_by;
return first_block;
}