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Remove non-functional code for unloading loadable modules.

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The code for unloading a library has been commented-out for over 12
years, ever since commit 602a9ef5a7, and we're
no closer to supporting it now than we were back then.

Nathan Bossart, reviewed by Michael Paquier and by me.

Discussion: http://postgr.es/m/Ynsc9bRL1caUSBSE@paquier.xyz
This commit is contained in:
Robert Haas
2022-05-11 15:27:33 -04:00
parent 78ccd6cca4
commit ab02d702ef
13 changed files with 13 additions and 200 deletions
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18
contrib/pg_stat_statements/pg_stat_statements.c
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@ -305,7 +305,6 @@ static bool pgss_save; /* whether to save stats across shutdown */
/*---- Function declarations ----*/
void _PG_init(void);
void _PG_fini(void);
PG_FUNCTION_INFO_V1(pg_stat_statements_reset);
PG_FUNCTION_INFO_V1(pg_stat_statements_reset_1_7);
@ -481,23 +480,6 @@ _PG_init(void)
ProcessUtility_hook = pgss_ProcessUtility;
}
/*
* Module unload callback
*/
void
_PG_fini(void)
{
/* Uninstall hooks. */
shmem_startup_hook = prev_shmem_startup_hook;
post_parse_analyze_hook = prev_post_parse_analyze_hook;
planner_hook = prev_planner_hook;
ExecutorStart_hook = prev_ExecutorStart;
ExecutorRun_hook = prev_ExecutorRun;
ExecutorFinish_hook = prev_ExecutorFinish;
ExecutorEnd_hook = prev_ExecutorEnd;
ProcessUtility_hook = prev_ProcessUtility;
}
/*
* shmem_startup hook: allocate or attach to shared memory,
* then load any pre-existing statistics from file.