Commit12fb189

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Fix RELCACHE_FORCE_RELEASE issue

Introduced by83fd453. To fix, thetuple descriptors need to be copied into the current memory context.Discussion:https://www.postgresql.org/message-id/04d78603-edae-9243-9dde-fe3037176a7d@2ndquadrant.com

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Original file line number	Diff line number	Diff line change
`@@ -305,7 +305,8 @@ maybe_send_schema(LogicalDecodingContext *ctx,`
`305`	`305`
`306`	`306`	`/* Map must live as long as the session does. */`
`307`	`307`	`oldctx=MemoryContextSwitchTo(CacheMemoryContext);`
`308`		`-relentry->map=convert_tuples_by_name(indesc,outdesc);`
	`308`	`+relentry->map=convert_tuples_by_name(CreateTupleDescCopy(indesc),`
	`309`	`+CreateTupleDescCopy(outdesc));`
`309`	`310`	`MemoryContextSwitchTo(oldctx);`
`310`	`311`	`send_relation_and_attrs(ancestor,ctx);`
`311`	`312`	`RelationClose(ancestor);`

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