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Switch pg_promote to be parallel-safe

pg_promote uses nothing relying on a global state, so it is fine to markit as parallel-safe, conclusion based on a detailed analysis from RobertHaas. This also fixes an inconsistency where pg_proc.dat missed to markthe function with its previous value for proparallel, update which doesnot matter now as the default is used.Based on a discussion between multiple folks: Laurenz Albe, Robert Haas,Amit Kapila, Tom Lane and myself.Discussion:https://postgr.es/m/20181029082530.GL14242@paquier.xyz

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src
- backend/catalog
  - system_views.sql
- include/catalog
  - catversion.h

2 files changed

-2

lines changed

`‎src/backend/catalog/system_views.sql‎`

Lines changed: 1 addition & 1 deletion

Original file line number	Diff line number	Diff line change
`@@ -1030,7 +1030,7 @@ CREATE OR REPLACE FUNCTION pg_stop_backup (`
`1030`	`1030`	`CREATEOR REPLACE FUNCTION`
`1031`	`1031`	`pg_promote(waitboolean DEFAULT true, wait_secondsinteger DEFAULT60)`
`1032`	`1032`	`RETURNSboolean STRICT VOLATILE LANGUAGE INTERNALAS'pg_promote'`
`1033`		`- PARALLELRESTRICTED;`
	`1033`	`+ PARALLELSAFE;`
`1034`	`1034`
`1035`	`1035`	`-- legacy definition for compatibility with 9.3`
`1036`	`1036`	`CREATEOR REPLACE FUNCTION`

`‎src/include/catalog/catversion.h‎`

Lines changed: 1 addition & 1 deletion

Original file line number	Diff line number	Diff line change
`@@ -53,6 +53,6 @@`
`53`	`53`	`*/`
`54`	`54`
`55`	`55`	`/yyyymmddN /`
`56`		`-#defineCATALOG_VERSION_NO201811051`
	`56`	`+#defineCATALOG_VERSION_NO201811061`
`57`	`57`
`58`	`58`	`#endif`

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Commit8f045e2

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2 files changed

2 files changed

`‎src/backend/catalog/system_views.sql‎`

`‎src/include/catalog/catversion.h‎`

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