Search PostgreSQL documentation

build_simple_rel_hookExtension HooksReferenceExtension Hooks · Query planningHook for plugins to get control in build_simple_rel() build_simple_rel_hook Query planning typedef void (*build_simple_rel_hook_type) (PlannerInfo *root, RelOptInfo *rel, RangeTblEntry *rte)… check_password_hookExtension HooksReferenceExtension Hooks · Authentication and connectionsHook to check passwords in CreateRole() and AlterRole() check_password_hook Authentication and connections typedef void (*check_password_hook_type) (const char *username, const char *shadow_… ClientAuthentication_hookExtension HooksReferenceExtension Hooks · Authentication and connectionsHook for plugins to get control in ClientAuthentication() ClientAuthentication_hook Authentication and connections typedef void (*ClientAuthentication_hook_type) (Port *, int); extern PGDLLI… create_upper_paths_hookExtension HooksReferenceExtension Hooks · Query planningHook for plugins to get control when grouping_planner() plans upper rels create_upper_paths_hook Query planning typedef void (*create_upper_paths_hook_type) (PlannerInfo *root, UpperRelation… emit_log_hookExtension HooksReferenceExtension Hooks · Logging and function callsHook for intercepting messages before they are sent to the server log emit_log_hook Logging and function calls typedef void (*emit_log_hook_type) (ErrorData *edata); extern PGDLLIMPORT emit_… ExecutorCheckPerms_hookExtension HooksReferenceExtension Hooks · Permissions and object accessHook for plugins to get control in ExecCheckPermissions() ExecutorCheckPerms_hook Permissions and object access Hook for plugins to get control in ExecCheckRTPerms() typedef bool (*ExecutorC… ExecutorEnd_hookExtension HooksReferenceExtension Hooks · Query executionHook for plugins to get control in ExecutorEnd() ExecutorEnd_hook Query execution typedef void (*ExecutorEnd_hook_type) (QueryDesc *queryDesc); extern PGDLLIMPORT ExecutorEnd_hook_type Execu… ExecutorFinish_hookExtension HooksReferenceExtension Hooks · Query executionHook for plugins to get control in ExecutorFinish() ExecutorFinish_hook Query execution typedef void (*ExecutorFinish_hook_type) (QueryDesc *queryDesc); extern PGDLLIMPORT ExecutorFinish_hoo… ExecutorRun_hookExtension HooksReferenceExtension Hooks · Query executionHook for plugins to get control in ExecutorRun() ExecutorRun_hook Query execution typedef void (*ExecutorRun_hook_type) (QueryDesc *queryDesc, ScanDirection direction, uint64 count, bool exe… ExecutorStart_hookExtension HooksReferenceExtension Hooks · Query executionHook for plugins to get control in ExecutorStart() ExecutorStart_hook Query execution typedef void (*ExecutorStart_hook_type) (QueryDesc *queryDesc, int eflags); extern PGDLLIMPORT ExecutorS… explain_get_index_name_hookExtension HooksReferenceExtension Hooks · EXPLAINHook for plugins to get control in explain_get_index_name() explain_get_index_name_hook EXPLAIN typedef const char *(*explain_get_index_name_hook_type) (Oid indexId); extern PGDLLIMPORT expl… explain_per_node_hookExtension HooksReferenceExtension Hooks · EXPLAINHook for EXPLAIN plugins to print extra fields on individual plan nodes explain_per_node_hook EXPLAIN typedef void (*explain_per_node_hook_type) (PlanState *planstate, List *ancestors, const… explain_per_plan_hookExtension HooksReferenceExtension Hooks · EXPLAINHook for EXPLAIN plugins to print extra information for each plan explain_per_plan_hook EXPLAIN typedef void (*explain_per_plan_hook_type) (PlannedStmt *plannedstmt, IntoClause *into, struct… explain_validate_options_hookExtension HooksReferenceExtension Hooks · EXPLAINHook to perform additional EXPLAIN options validation explain_validate_options_hook EXPLAIN typedef void (*explain_validate_options_hook_type) (struct ExplainState *es, List *options, ParseS… ExplainOneQuery_hookExtension HooksReferenceExtension Hooks · EXPLAINHook for plugins to get control in ExplainOneQuery() ExplainOneQuery_hook EXPLAIN typedef void (*ExplainOneQuery_hook_type) (Query *query, int cursorOptions, IntoClause *into, ExplainState *… fmgr_hookExtension HooksReferenceExtension Hooks · Logging and function callsfunction manager hook fmgr_hook Logging and function calls typedef void (*fmgr_hook_type) (FmgrHookEventType event, FmgrInfo *flinfo, Datum *arg); extern PGDLLIMPORT fmgr_hook_type fmgr_hook… get_attavgwidth_hookExtension HooksReferenceExtension Hooks · Statistics and estimationHook for plugins to get control in get_attavgwidth() get_attavgwidth_hook Statistics and estimation typedef int32 (*get_attavgwidth_hook_type) (Oid relid, AttrNumber attnum); extern PGDLLIMP… get_index_stats_hookExtension HooksReferenceExtension Hooks · Statistics and estimationcore extension hook declared in src/include/utils/selfuncs.h. The exact interface and call sites are recorded below. get_index_stats_hook Statistics and estimation typedef bool (*get_index_s… get_relation_info_hookExtension HooksReferenceExtension Hooks · Query planningHook for plugins to get control in get_relation_info() get_relation_info_hook Query planning typedef void (*get_relation_info_hook_type) (PlannerInfo *root, Oid relationObjectId, bool inhpar… get_relation_stats_hookExtension HooksReferenceExtension Hooks · Statistics and estimationHooks for plugins to get control when we ask for stats get_relation_stats_hook Statistics and estimation typedef bool (*get_relation_stats_hook_type) (PlannerInfo *root, RangeTblEntry *rte, … join_path_setup_hookExtension HooksReferenceExtension Hooks · Query planningHooks for plugins to get control in set_rel_pathlist() join_path_setup_hook Query planning typedef void (*join_path_setup_hook_type) (PlannerInfo *root, RelOptInfo *joinrel, RelOptInfo *oute… join_search_hookExtension HooksReferenceExtension Hooks · Query planningHook for plugins to replace standard_join_search() join_search_hook Query planning typedef RelOptInfo *(*join_search_hook_type) (PlannerInfo *root, int levels_needed, List *initial_rels); ex… joinrel_setup_hookExtension HooksReferenceExtension Hooks · Query planningHook for plugins to get control during joinrel setup joinrel_setup_hook Query planning typedef void (*joinrel_setup_hook_type) (PlannerInfo *root, RelOptInfo *joinrel, RelOptInfo *outer_rel,… ldap_password_hookExtension HooksReferenceExtension Hooks · Authentication and connectionshook type for password manglers ldap_password_hook Authentication and connections typedef char *(*auth_password_hook_typ) (char *input); extern PGDLLIMPORT auth_password_hook_typ ldap_passwo… needs_fmgr_hookExtension HooksReferenceExtension Hooks · Logging and function callsHooks for function calls needs_fmgr_hook Logging and function calls typedef bool (*needs_fmgr_hook_type) (Oid fn_oid); extern PGDLLIMPORT needs_fmgr_hook_type needs_fmgr_hook; Interface type… object_access_hookExtension HooksReferenceExtension Hooks · Permissions and object accessPlugin provides a hook function matching one or both of these signatures. object_access_hook Permissions and object access Plugin provides a hook function matching this signature. typedef vo… object_access_hook_strExtension HooksReferenceExtension Hooks · Permissions and object accesscore extension hook declared in src/include/catalog/objectaccess.h. The exact interface and call sites are recorded below. object_access_hook_str Permissions and object access typedef void (… openssl_tls_init_hookExtension HooksReferenceExtension Hooks · Authentication and connectionscore extension hook declared in src/include/libpq/libpq-be.h. The exact interface and call sites are recorded below. openssl_tls_init_hook Authentication and connections Call init hook (usua… planner_hookExtension HooksReferenceExtension Hooks · Query planningHook for plugins to get control in planner() planner_hook Query planning typedef PlannedStmt *(*planner_hook_type) (Query *parse, int cursorOptions, ParamListInfo boundParams); extern PGDLLI… planner_setup_hookExtension HooksReferenceExtension Hooks · Query planningHook for plugins to get control after PlannerGlobal is initialized planner_setup_hook Query planning typedef void (*planner_setup_hook_type) (PlannerGlobal *glob, Query *parse, const char *q… planner_shutdown_hookExtension HooksReferenceExtension Hooks · Query planningHook for plugins to get control before PlannerGlobal is discarded planner_shutdown_hook Query planning typedef void (*planner_shutdown_hook_type) (PlannerGlobal *glob, Query *parse, const ch… post_parse_analyze_hookExtension HooksReferenceExtension Hooks · Parsing and utility commandsHook for plugins to get control at end of parse analysis post_parse_analyze_hook Parsing and utility commands typedef void (*post_parse_analyze_hook_type) (ParseState *pstate, Query *query);… ProcessUtility_hookExtension HooksReferenceExtension Hooks · Parsing and utility commandsHook for plugins to get control in ProcessUtility() ProcessUtility_hook Parsing and utility commands typedef void (*ProcessUtility_hook_type) (PlannedStmt *pstmt, const char *queryString, Pr… row_security_policy_hook_permissiveExtension HooksReferenceExtension Hooks · Permissions and object accesshooks to allow extensions to add their own security policies row_security_policy_hook_permissive can be used to add policies which are combined with the other permissive policies, using OR. … row_security_policy_hook_restrictiveExtension HooksReferenceExtension Hooks · Permissions and object accesscore extension hook declared in src/include/rewrite/rowsecurity.h. The exact interface and call sites are recorded below. row_security_policy_hook_restrictive Permissions and object access t… set_join_pathlist_hookExtension HooksReferenceExtension Hooks · Query planningHook for plugins to get control in add_paths_to_joinrel() set_join_pathlist_hook Query planning typedef void (*set_join_pathlist_hook_type) (PlannerInfo *root, RelOptInfo *joinrel, RelOptInf… set_rel_pathlist_hookExtension HooksReferenceExtension Hooks · Query planningHook for plugins to get control in set_rel_pathlist() set_rel_pathlist_hook Query planning typedef void (*set_rel_pathlist_hook_type) (PlannerInfo *root, RelOptInfo *rel, Index rti, RangeTbl… shmem_request_hookExtension HooksReferenceExtension Hooks · Startup and shared memorycore extension hook declared in src/include/miscadmin.h. The exact interface and call sites are recorded below. shmem_request_hook Startup and shared memory typedef void (*shmem_request_hook… shmem_startup_hookExtension HooksReferenceExtension Hooks · Startup and shared memoryNow give loadable modules a chance to set up their shmem allocations shmem_startup_hook Startup and shared memory typedef void (*shmem_startup_hook_type) (void); extern PGDLLIMPORT shmem_sta…