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| author | Masahiko Sawada <msawada@postgresql.org> | 2025-02-21 10:19:40 -0800 |
|---|---|---|
| committer | Masahiko Sawada <msawada@postgresql.org> | 2025-02-21 10:19:40 -0800 |
| commit | a8238f87f980848c2d69c105555c4383e20e7670 (patch) | |
| tree | c9d44e42f5649244673245bab5427fff428c2939 /src/backend/access/gist/gistbuild.c | |
| parent | 30666d1857d7a785331f5805c20ec19430500466 (diff) | |
| download | postgresql-a8238f87f980848c2d69c105555c4383e20e7670.tar.gz postgresql-a8238f87f980848c2d69c105555c4383e20e7670.zip | |
pg_upgrade: Preserve default char signedness value from old cluster.
Commit 44fe30fdab6 introduced the 'default_char_signedness' field in
controlfile. Newly created database clusters always set this field to
'signed'.
This change ensures that pg_upgrade updates the
'default_char_signedness' to 'unsigned' if the source database cluster
has signedness=false. For source clusters from v17 or earlier, which
lack the 'default_char_signedness' information, pg_upgrade assumes the
source cluster was initialized on the same platform where pg_upgrade
is running. It then sets the 'default_char_signedness' value according
to the current platform's default character signedness.
Reviewed-by: Noah Misch <noah@leadboat.com>
Discussion: https://postgr.es/m/CB11ADBC-0C3F-4FE0-A678-666EE80CBB07%40amazon.com
Diffstat (limited to 'src/backend/access/gist/gistbuild.c')
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