Fix data_checksum GUC show_hook

Commit f19c0eccae erroneously omitted the show_hook for the
data_checksum GUC.

Author: Daniel Gustafsson <daniel@yesql.se>
Reviewed-by: Tomas Vondra <tomas@vondra.me>
Reviewed-by: SATYANARAYANA NARLAPURAM <satyanarlapuram@gmail.com>
Reviewed-by: Ayush Tiwari <ayushtiwari.slg01@gmail.com>
Discussion: https://postgr.es/m/9197F930-DDEB-4CAC-82A2-16FEC715CCE8@yesql.se

diff --git a/src/backend/utils/misc/guc_parameters.dat b/src/backend/utils/misc/guc_parameters.dat
index 83af594d4af4ba39536dac701ca42a8d781302e9..afaa058b046c90f636e63c1272d061fc980ab8a5 100644 (file)
--- a/src/backend/utils/misc/guc_parameters.dat
+++ b/src/backend/utils/misc/guc_parameters.dat
@@ -585,6 +585,7 @@
   variable => 'data_checksums',
   boot_val => 'PG_DATA_CHECKSUM_OFF',
   options => 'data_checksums_options',
+  show_hook => 'show_data_checksums',
 },
 
 # Can't be set by ALTER SYSTEM as it can lead to recursive definition