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-rw-r--r--src/backend/commands/variable.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/backend/commands/variable.c b/src/backend/commands/variable.c
index 44796bf15ad..4ad6e236d69 100644
--- a/src/backend/commands/variable.c
+++ b/src/backend/commands/variable.c
@@ -381,6 +381,8 @@ void
assign_timezone(const char *newval, void *extra)
{
session_timezone = *((pg_tz **) extra);
+ /* datetime.c's cache of timezone abbrevs may now be obsolete */
+ ClearTimeZoneAbbrevCache();
}
/*