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Fix some comments related to library unloading

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Library unloading has never been supported with its code removed in
ab02d702ef08, and there were some comments still mentioning that it was
a possible operation.

ChangAo has noticed the incorrect references in dfmgr.c, while I have
noticed the other ones while scanning the rest of the tree for similar
mistakes.

Author: ChangAo Chen, Michael Paquier
Reviewed-by: Tom Lane
Discussion: https://postgr.es/m/tencent_1D09840A1632D406A610C8C4E2491D74DB0A@qq.com
This commit is contained in:
Michael Paquier 2024-12-23 14:46:49 +09:00
parent 578a7fe7b6
commit 7f97b4734f
5 changed files with 6 additions and 6 deletions
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2
contrib/auto_explain/auto_explain.c
View File

@ -70,7 +70,7 @@ static bool current_query_sampled = false;
(nesting_level == 0 || auto_explain_log_nested_statements) && \
current_query_sampled)
/* Saved hook values in case of unload */
/* Saved hook values */
static ExecutorStart_hook_type prev_ExecutorStart = NULL;
static ExecutorRun_hook_type prev_ExecutorRun = NULL;
static ExecutorFinish_hook_type prev_ExecutorFinish = NULL;

2
contrib/passwordcheck/passwordcheck.c
View File

@ -26,7 +26,7 @@
PG_MODULE_MAGIC;
/* Saved hook value in case of unload */
/* Saved hook value */
static check_password_hook_type prev_check_password_hook = NULL;
/* passwords shorter than this will be rejected */

2
contrib/pg_stat_statements/pg_stat_statements.c
View File

@ -256,7 +256,7 @@ typedef struct pgssSharedState
/* Current nesting depth of planner/ExecutorRun/ProcessUtility calls */
static int nesting_level = 0;
/* Saved hook values in case of unload */
/* Saved hook values */
static shmem_request_hook_type prev_shmem_request_hook = NULL;
static shmem_startup_hook_type prev_shmem_startup_hook = NULL;
static post_parse_analyze_hook_type prev_post_parse_analyze_hook = NULL;

2
contrib/sepgsql/hooks.c
View File

@ -394,7 +394,7 @@ sepgsql_utility_command(PlannedStmt *pstmt,
}
/*
* Module load/unload callback
* Module load callback
*/
void
_PG_init(void)

4
src/backend/utils/fmgr/dfmgr.c
View File

@ -125,7 +125,7 @@ load_external_function(const char *filename, const char *funcname,
/*
* This function loads a shlib file without looking up any particular
* function in it. If the same shlib has previously been loaded,
* unload and reload it.
* we do not load it again.
*
* When 'restricted' is true, only libraries in the presumed-secure
* directory $libdir/plugins may be referenced.
@ -142,7 +142,7 @@ load_file(const char *filename, bool restricted)
/* Expand the possibly-abbreviated filename to an exact path name */
fullname = expand_dynamic_library_name(filename);
/* Load the shared library */
/* Load the shared library, unless we already did */
(void) internal_load_library(fullname);
pfree(fullname);