Commitadc8fc6

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Add regression test for pg_backend_memory_contexts.

Author: Atsushi TorikoshiReviewed-by: Michael Paquier, Fujii MasaoDiscussion:https://postgr.es/m/20200819135545.GC19121@paquier.xyz

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Original file line number	Diff line number	Diff line change
`@@ -19,6 +19,15 @@ select count(*) >= 0 as ok from pg_available_extensions;`
`19`	`19`	`t`
`20`	`20`	`(1 row)`
`21`	`21`
	`22`	`+-- The entire output of pg_backend_memory_contexts is not stable,`
	`23`	`+-- we test only the existance and basic condition of TopMemoryContext.`
	`24`	`+select name, ident, parent, level, total_bytes >= free_bytes`
	`25`	`+ from pg_backend_memory_contexts where level = 0;`
	`26`	`+ name \| ident \| parent \| level \| ?column?`
	`27`	`+------------------+-------+--------+-------+----------`
	`28`	`+ TopMemoryContext \| \| \| 0 \| t`
	`29`	`+(1 row)`
	`30`	`+`
`22`	`31`	`-- At introduction, pg_config had 23 entries; it may grow`
`23`	`32`	`select count(*) > 20 as ok from pg_config;`
`24`	`33`	`ok`

Lines changed: 5 additions & 0 deletions

Original file line number	Diff line number	Diff line change
`@@ -12,6 +12,11 @@ select count(*) >= 0 as ok from pg_available_extension_versions;`
`12`	`12`
`13`	`13`	`selectcount(*)>=0as okfrom pg_available_extensions;`
`14`	`14`
	`15`	`+-- The entire output of pg_backend_memory_contexts is not stable,`
	`16`	`+-- we test only the existance and basic condition of TopMemoryContext.`
	`17`	`+select name, ident, parent, level, total_bytes>= free_bytes`
	`18`	`+from pg_backend_memory_contextswhere level=0;`
	`19`	`+`
`15`	`20`	`-- At introduction, pg_config had 23 entries; it may grow`
`16`	`21`	`selectcount(*)>20as okfrom pg_config;`
`17`	`22`

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