diff options
Diffstat (limited to 'src/backend/commands/extension.c')
| -rw-r--r-- | src/backend/commands/extension.c | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/src/backend/commands/extension.c b/src/backend/commands/extension.c index dc38c325770..180f4af9be3 100644 --- a/src/backend/commands/extension.c +++ b/src/backend/commands/extension.c @@ -2812,6 +2812,59 @@ pg_extension_config_dump(PG_FUNCTION_ARGS) } /* + * pg_get_loaded_modules + * + * SQL-callable function to get per-loaded-module information. Modules + * (shared libraries) aren't necessarily one-to-one with extensions, but + * they're sufficiently closely related to make this file a good home. + */ +Datum +pg_get_loaded_modules(PG_FUNCTION_ARGS) +{ + ReturnSetInfo *rsinfo = (ReturnSetInfo *) fcinfo->resultinfo; + DynamicFileList *file_scanner; + + /* Build tuplestore to hold the result rows */ + InitMaterializedSRF(fcinfo, 0); + + for (file_scanner = get_first_loaded_module(); file_scanner != NULL; + file_scanner = get_next_loaded_module(file_scanner)) + { + const char *library_path, + *module_name, + *module_version; + const char *sep; + Datum values[3] = {0}; + bool nulls[3] = {0}; + + get_loaded_module_details(file_scanner, + &library_path, + &module_name, + &module_version); + + if (module_name == NULL) + nulls[0] = true; + else + values[0] = CStringGetTextDatum(module_name); + if (module_version == NULL) + nulls[1] = true; + else + values[1] = CStringGetTextDatum(module_version); + + /* For security reasons, we don't show the directory path */ + sep = last_dir_separator(library_path); + if (sep) + library_path = sep + 1; + values[2] = CStringGetTextDatum(library_path); + + tuplestore_putvalues(rsinfo->setResult, rsinfo->setDesc, + values, nulls); + } + + return (Datum) 0; +} + +/* * extension_config_remove * * Remove the specified table OID from extension's extconfig, if present. |