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authorMichael Paquier <michael@paquier.xyz>2025-10-20 09:35:22 +0900
committerMichael Paquier <michael@paquier.xyz>2025-10-20 09:35:22 +0900
commita7c30422004ae757909ed831fd8eea453022f969 (patch)
tree83b70b39d275146251f5a3d201de2bdac439184b /doc/src
parent92cf557ffae436235cfa3bbba1265b5807a68ef2 (diff)
pg_checksums: Use new routine to retrieve data of PG_VERSION
Previously, attempting to use pg_checksums on a cluster with a control file whose version does not match with what thetool is able to support would lead to the following error: pg_checksums: error: pg_control CRC value is incorrect This is confusing, because it would look like the control file is corrupted. However, the contents of the control file are correct, pg_checksums not being able to understand how the past control file is shaped. This commit adds a check based on PG_VERSION, using the facility added by cd0be131ba6f, using the same error message as some of the other frontend tools. A note is added in the documentation about the major version requirement. Author: Michael Banck <mbanck@gmx.net> Discussion: https://postgr.es/m/68f1ff21.170a0220.2c9b5f.4df5@mx.google.com
Diffstat (limited to 'doc/src')
-rw-r--r--doc/src/sgml/ref/pg_checksums.sgml4
1 files changed, 4 insertions, 0 deletions
diff --git a/doc/src/sgml/ref/pg_checksums.sgml b/doc/src/sgml/ref/pg_checksums.sgml
index 95043aa329c..e9e393495df 100644
--- a/doc/src/sgml/ref/pg_checksums.sgml
+++ b/doc/src/sgml/ref/pg_checksums.sgml
@@ -247,5 +247,9 @@ PostgreSQL documentation
remains unchanged, and <application>pg_checksums</application> can be
re-run to perform the same operation.
</para>
+ <para>
+ The target cluster must have the same major version as
+ <application>pg_checksums</application>.
+ </para>
</refsect1>
</refentry>