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Add support for AT LOCAL

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When converting a timestamp to/from with/without time zone, the SQL
Standard specifies an AT LOCAL variant of AT TIME ZONE which uses the
session's time zone.  This includes three system functions able to do
the work in the same way as the existing flavors for AT TIME ZONE,
except that these need to be marked as stable as they depend on the
session's TimeZone GUC.

Bump catalog version.

Author: Vik Fearing
Reviewed-by: Laurenz Albe, Cary Huang, Michael Paquier
Discussion: https://postgr.es/m/8e25dec4-5667-c1a5-6581-167d710c2182@postgresfriends.org
This commit is contained in:
Michael Paquier
2023-10-13 13:01:37 +09:00
parent 0013ba290b
commit 97957fdbaa
11 changed files with 294 additions and 4 deletions
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2
src/include/catalog/catversion.h
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@@ -57,6 +57,6 @@
*/
/* yyyymmddN */
#define CATALOG_VERSION_NO 202309251
#define CATALOG_VERSION_NO 202310131
#endif

9
src/include/catalog/pg_proc.dat
View File

@@ -2319,6 +2319,9 @@
{ oid => '1159', descr => 'adjust timestamp to new time zone',
proname => 'timezone', prorettype => 'timestamp',
proargtypes => 'text timestamptz', prosrc => 'timestamptz_zone' },
{ oid => '9159', descr => 'adjust timestamp to local time zone',
proname => 'timezone', provolatile => 's', prorettype => 'timestamp',
proargtypes => 'timestamptz', prosrc => 'timestamptz_at_local' },
{ oid => '1160', descr => 'I/O',
proname => 'interval_in', provolatile => 's', prorettype => 'interval',
@@ -6095,6 +6098,9 @@
{ oid => '2038', descr => 'adjust time with time zone to new zone',
proname => 'timezone', prorettype => 'timetz',
proargtypes => 'interval timetz', prosrc => 'timetz_izone' },
{ oid => '9161', descr => 'adjust time to local time zone',
proname => 'timezone', provolatile => 's', prorettype => 'timetz',
proargtypes => 'timetz', prosrc => 'timetz_at_local' },
{ oid => '2039', descr => 'hash',
proname => 'timestamp_hash', prorettype => 'int4', proargtypes => 'timestamp',
prosrc => 'timestamp_hash' },
@@ -6190,6 +6196,9 @@
{ oid => '2070', descr => 'adjust timestamp to new time zone',
proname => 'timezone', prorettype => 'timestamptz',
proargtypes => 'interval timestamp', prosrc => 'timestamp_izone' },
{ oid => '9160', descr => 'adjust timestamp to local time zone',
proname => 'timezone', provolatile => 's', prorettype => 'timestamptz',
proargtypes => 'timestamp', prosrc => 'timestamp_at_local' },
{ oid => '2071',
proname => 'date_pl_interval', prorettype => 'timestamp',
proargtypes => 'date interval', prosrc => 'date_pl_interval' },