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Call WaitLSNCleanup() in AbortTransaction()

Even though waiting for replay LSN happens without explicit transaction,AbortTransaction() is responsible for the cleanup of the shared memory ifthe error is thrown in a stored procedure. So, we need to do WaitLSNCleanup()there to clean up after some unexpected error happened while waiting forreplay LSN.Discussion:https://postgr.es/m/202404051815.eri4u5q6oj26%40alvherre.pgsqlAuthor: Alvaro Herrera

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src/backend/access/transam
- xact.c

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`‎src/backend/access/transam/xact.c`

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Original file line number	Diff line number	Diff line change
`@@ -38,6 +38,7 @@`
`38`	`38`	`#include"commands/async.h"`
`39`	`39`	`#include"commands/tablecmds.h"`
`40`	`40`	`#include"commands/trigger.h"`
	`41`	`+#include"commands/waitlsn.h"`
`41`	`42`	`#include"common/pg_prng.h"`
`42`	`43`	`#include"executor/spi.h"`
`43`	`44`	`#include"libpq/be-fsstubs.h"`
`@@ -2771,6 +2772,11 @@ AbortTransaction(void)`
`2771`	`2772`	`*/`
`2772`	`2773`	`LWLockReleaseAll();`
`2773`	`2774`
	`2775`	`+/*`
	`2776`	`+ * Cleanup waiting for LSN if any.`
	`2777`	`+ */`
	`2778`	`+WaitLSNCleanup();`
	`2779`	`+`
`2774`	`2780`	`/* Clear wait information and command progress indicator */`
`2775`	`2781`	`pgstat_report_wait_end();`
`2776`	`2782`	`pgstat_progress_end_command();`

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Commit74eaf66

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`‎src/backend/access/transam/xact.c`

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