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Commit7f97b47

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Fix some comments related to library unloading
Library unloading has never been supported with its code removed inab02d70, and there were some comments still mentioning that it wasa possible operation.ChangAo has noticed the incorrect references in dfmgr.c, while I havenoticed the other ones while scanning the rest of the tree for similarmistakes.Author: ChangAo Chen, Michael PaquierReviewed-by: Tom LaneDiscussion:https://postgr.es/m/tencent_1D09840A1632D406A610C8C4E2491D74DB0A@qq.com
1 parent578a7fe commit7f97b47

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5 files changed

+6
-6
lines changed

5 files changed

+6
-6
lines changed

‎contrib/auto_explain/auto_explain.c‎

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -70,7 +70,7 @@ static bool current_query_sampled = false;
7070
(nesting_level == 0 || auto_explain_log_nested_statements) && \
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current_query_sampled)
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73-
/* Saved hook valuesin case of unload*/
73+
/* Saved hook values */
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staticExecutorStart_hook_typeprev_ExecutorStart=NULL;
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staticExecutorRun_hook_typeprev_ExecutorRun=NULL;
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staticExecutorFinish_hook_typeprev_ExecutorFinish=NULL;

‎contrib/passwordcheck/passwordcheck.c‎

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -26,7 +26,7 @@
2626

2727
PG_MODULE_MAGIC;
2828

29-
/* Saved hook valuein case of unload*/
29+
/* Saved hook value */
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staticcheck_password_hook_typeprev_check_password_hook=NULL;
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/* passwords shorter than this will be rejected */

‎contrib/pg_stat_statements/pg_stat_statements.c‎

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -256,7 +256,7 @@ typedef struct pgssSharedState
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/* Current nesting depth of planner/ExecutorRun/ProcessUtility calls */
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staticintnesting_level=0;
258258

259-
/* Saved hook valuesin case of unload*/
259+
/* Saved hook values */
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staticshmem_request_hook_typeprev_shmem_request_hook=NULL;
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staticshmem_startup_hook_typeprev_shmem_startup_hook=NULL;
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staticpost_parse_analyze_hook_typeprev_post_parse_analyze_hook=NULL;

‎contrib/sepgsql/hooks.c‎

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -394,7 +394,7 @@ sepgsql_utility_command(PlannedStmt *pstmt,
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}
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/*
397-
* Module load/unload callback
397+
* Module load callback
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*/
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void
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_PG_init(void)

‎src/backend/utils/fmgr/dfmgr.c‎

Lines changed: 2 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -125,7 +125,7 @@ load_external_function(const char *filename, const char *funcname,
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/*
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* This function loads a shlib file without looking up any particular
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* function in it. If the same shlib has previously been loaded,
128-
*unload and reload it.
128+
*we do not load it again.
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*
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* When 'restricted' is true, only libraries in the presumed-secure
131131
* directory $libdir/plugins may be referenced.
@@ -142,7 +142,7 @@ load_file(const char *filename, bool restricted)
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/* Expand the possibly-abbreviated filename to an exact path name */
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fullname=expand_dynamic_library_name(filename);
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145-
/* Load the shared library */
145+
/* Load the shared library, unless we already did */
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(void)internal_load_library(fullname);
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pfree(fullname);

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