LCOV - differential code coverage report
Current view: top level - src/backend/optimizer/util - extendplan.c (source / functions) Coverage Total Hit UNC UBC GNC CBC DUB
Current: ba12a202ce1b5581dc0ed149cf3f637d7897ad5d vs 2866d8c7dbfc9d882a7d80fef93fbbe763709932 Lines: 76.4 % 55 42 1 12 42 2
Current Date: 2026-08-27 14:31:44 +0300 Functions: 100.0 % 4 4 1 3
Baseline: lcov-20260827-baseline Branches: 59.4 % 32 19 13 19
Baseline Date: 2026-08-27 14:31:58 +0300 Line coverage date bins:
Legend: Lines:     hit not hit
Branches: + taken - not taken # not executed
(7,30] days: 0.0 % 1 0 1
(30,360] days: 77.8 % 54 42 12 42
Function coverage date bins:
(30,360] days: 100.0 % 4 4 1 3
Branch coverage date bins:
(30,360] days: 59.4 % 32 19 13 19

 Age         Owner                    Branch data    TLA  Line data    Source code
                                  1                 :                : /*-------------------------------------------------------------------------
                                  2                 :                :  *
                                  3                 :                :  * extendplan.c
                                  4                 :                :  *    Extend core planner objects with additional private state
                                  5                 :                :  *
                                  6                 :                :  * Portions Copyright (c) 1996-2026, PostgreSQL Global Development Group
                                  7                 :                :  * Portions Copyright (c) 1994-5, Regents of the University of California
                                  8                 :                :  *
                                  9                 :                :  * The interfaces defined in this file make it possible for loadable
                                 10                 :                :  * modules to store their own private state inside of key planner data
                                 11                 :                :  * structures -- specifically, the PlannerGlobal, PlannerInfo, and
                                 12                 :                :  * RelOptInfo structures. This can make it much easier to write
                                 13                 :                :  * reasonably efficient planner extensions; for instance, code that
                                 14                 :                :  * uses set_join_pathlist_hook can arrange to compute a key intermediate
                                 15                 :                :  * result once per joinrel rather than on every call.
                                 16                 :                :  *
                                 17                 :                :  * IDENTIFICATION
                                 18                 :                :  *    src/backend/optimizer/util/extendplan.c
                                 19                 :                :  *
                                 20                 :                :  *-------------------------------------------------------------------------
                                 21                 :                :  */
                                 22                 :                : #include "postgres.h"
                                 23                 :                : 
                                 24                 :                : #include "optimizer/extendplan.h"
                                 25                 :                : #include "port/pg_bitutils.h"
                                 26                 :                : #include "utils/memutils.h"
                                 27                 :                : 
                                 28                 :                : static const char **PlannerExtensionNameArray = NULL;
                                 29                 :                : static int  PlannerExtensionNamesAssigned = 0;
                                 30                 :                : static int  PlannerExtensionNamesAllocated = 0;
                                 31                 :                : 
                                 32                 :                : /*
                                 33                 :                :  * Map the name of a planner extension to an integer ID.
                                 34                 :                :  *
                                 35                 :                :  * Within the lifetime of a particular backend, the same name will be mapped
                                 36                 :                :  * to the same ID every time. IDs are not stable across backends. Use the ID
                                 37                 :                :  * that you get from this function to call the remaining functions in this
                                 38                 :                :  * file.
                                 39                 :                :  */
                                 40                 :                : int
  324 rhaas@postgresql.org       41                 :CBC          30 : GetPlannerExtensionId(const char *extension_name)
                                 42                 :                : {
                                 43                 :                :     /* Search for an existing extension by this name; if found, return ID. */
                                 44         [ +  + ]:             32 :     for (int i = 0; i < PlannerExtensionNamesAssigned; ++i)
                                 45         [ -  + ]:              2 :         if (strcmp(PlannerExtensionNameArray[i], extension_name) == 0)
  324 rhaas@postgresql.org       46                 :UBC           0 :             return i;
                                 47                 :                : 
                                 48                 :                :     /* If there is no array yet, create one. */
  324 rhaas@postgresql.org       49         [ +  + ]:CBC          30 :     if (PlannerExtensionNameArray == NULL)
                                 50                 :                :     {
                                 51                 :             28 :         PlannerExtensionNamesAllocated = 16;
                                 52                 :             28 :         PlannerExtensionNameArray = (const char **)
                                 53                 :             28 :             MemoryContextAlloc(TopMemoryContext,
                                 54                 :                :                                PlannerExtensionNamesAllocated
                                 55                 :                :                                * sizeof(char *));
                                 56                 :                :     }
                                 57                 :                : 
                                 58                 :                :     /* If there's an array but it's currently full, expand it. */
                                 59         [ -  + ]:             30 :     if (PlannerExtensionNamesAssigned >= PlannerExtensionNamesAllocated)
                                 60                 :                :     {
  324 rhaas@postgresql.org       61                 :UBC           0 :         int         i = pg_nextpower2_32(PlannerExtensionNamesAssigned + 1);
                                 62                 :                : 
   10 michael@paquier.xyz        63                 :UNC           0 :         PlannerExtensionNameArray = repalloc_array(PlannerExtensionNameArray, const char *, i);
  324 rhaas@postgresql.org       64                 :UBC           0 :         PlannerExtensionNamesAllocated = i;
                                 65                 :                :     }
                                 66                 :                : 
                                 67                 :                :     /* Assign and return new ID. */
  324 rhaas@postgresql.org       68                 :CBC          30 :     PlannerExtensionNameArray[PlannerExtensionNamesAssigned] = extension_name;
                                 69                 :             30 :     return PlannerExtensionNamesAssigned++;
                                 70                 :                : }
                                 71                 :                : 
                                 72                 :                : /*
                                 73                 :                :  * Store extension-specific state into a PlannerGlobal.
                                 74                 :                :  */
                                 75                 :                : void
                                 76                 :          88489 : SetPlannerGlobalExtensionState(PlannerGlobal *glob, int extension_id,
                                 77                 :                :                                void *opaque)
                                 78                 :                : {
                                 79         [ -  + ]:          88489 :     Assert(extension_id >= 0);
                                 80                 :                : 
                                 81                 :                :     /* If there is no array yet, create one. */
                                 82         [ +  - ]:          88489 :     if (glob->extension_state == NULL)
                                 83                 :                :     {
                                 84                 :                :         MemoryContext planner_cxt;
                                 85                 :                :         Size        sz;
                                 86                 :                : 
                                 87                 :          88489 :         planner_cxt = GetMemoryChunkContext(glob);
                                 88                 :          88489 :         glob->extension_state_allocated =
                                 89         [ -  + ]:          88489 :             Max(4, pg_nextpower2_32(extension_id + 1));
                                 90                 :          88489 :         sz = glob->extension_state_allocated * sizeof(void *);
                                 91                 :          88489 :         glob->extension_state = MemoryContextAllocZero(planner_cxt, sz);
                                 92                 :                :     }
                                 93                 :                : 
                                 94                 :                :     /* If there's an array but it's currently full, expand it. */
                                 95         [ -  + ]:          88489 :     if (extension_id >= glob->extension_state_allocated)
                                 96                 :                :     {
                                 97                 :                :         int         i;
                                 98                 :                : 
  324 rhaas@postgresql.org       99                 :UBC           0 :         i = pg_nextpower2_32(extension_id + 1);
  260 michael@paquier.xyz       100                 :              0 :         glob->extension_state = repalloc0_array(glob->extension_state, void *,
                                101                 :                :                                                 glob->extension_state_allocated, i);
  324 rhaas@postgresql.org      102                 :              0 :         glob->extension_state_allocated = i;
                                103                 :                :     }
                                104                 :                : 
  324 rhaas@postgresql.org      105                 :CBC       88489 :     glob->extension_state[extension_id] = opaque;
                                106                 :          88489 : }
                                107                 :                : 
                                108                 :                : /*
                                109                 :                :  * Store extension-specific state into a PlannerInfo.
                                110                 :                :  */
                                111                 :                : void
                                112                 :             70 : SetPlannerInfoExtensionState(PlannerInfo *root, int extension_id,
                                113                 :                :                              void *opaque)
                                114                 :                : {
                                115         [ -  + ]:             70 :     Assert(extension_id >= 0);
                                116                 :                : 
                                117                 :                :     /* If there is no array yet, create one. */
                                118         [ +  + ]:             70 :     if (root->extension_state == NULL)
                                119                 :                :     {
                                120                 :                :         Size        sz;
                                121                 :                : 
                                122                 :             35 :         root->extension_state_allocated =
                                123         [ -  + ]:             35 :             Max(4, pg_nextpower2_32(extension_id + 1));
                                124                 :             35 :         sz = root->extension_state_allocated * sizeof(void *);
                                125                 :             35 :         root->extension_state = MemoryContextAllocZero(root->planner_cxt, sz);
                                126                 :                :     }
                                127                 :                : 
                                128                 :                :     /* If there's an array but it's currently full, expand it. */
                                129         [ -  + ]:             70 :     if (extension_id >= root->extension_state_allocated)
                                130                 :                :     {
                                131                 :                :         int         i;
                                132                 :                : 
  324 rhaas@postgresql.org      133                 :UBC           0 :         i = pg_nextpower2_32(extension_id + 1);
  260 michael@paquier.xyz       134                 :              0 :         root->extension_state = repalloc0_array(root->extension_state, void *,
                                135                 :                :                                                 root->extension_state_allocated, i);
  324 rhaas@postgresql.org      136                 :              0 :         root->extension_state_allocated = i;
                                137                 :                :     }
                                138                 :                : 
  324 rhaas@postgresql.org      139                 :CBC          70 :     root->extension_state[extension_id] = opaque;
                                140                 :             70 : }
                                141                 :                : 
                                142                 :                : /*
                                143                 :                :  * Store extension-specific state into a RelOptInfo.
                                144                 :                :  */
                                145                 :                : void
                                146                 :          26785 : SetRelOptInfoExtensionState(RelOptInfo *rel, int extension_id,
                                147                 :                :                             void *opaque)
                                148                 :                : {
                                149         [ -  + ]:          26785 :     Assert(extension_id >= 0);
                                150                 :                : 
                                151                 :                :     /* If there is no array yet, create one. */
                                152         [ +  - ]:          26785 :     if (rel->extension_state == NULL)
                                153                 :                :     {
                                154                 :                :         MemoryContext planner_cxt;
                                155                 :                :         Size        sz;
                                156                 :                : 
                                157                 :          26785 :         planner_cxt = GetMemoryChunkContext(rel);
                                158                 :          26785 :         rel->extension_state_allocated =
                                159         [ -  + ]:          26785 :             Max(4, pg_nextpower2_32(extension_id + 1));
                                160                 :          26785 :         sz = rel->extension_state_allocated * sizeof(void *);
                                161                 :          26785 :         rel->extension_state = MemoryContextAllocZero(planner_cxt, sz);
                                162                 :                :     }
                                163                 :                : 
                                164                 :                :     /* If there's an array but it's currently full, expand it. */
                                165         [ -  + ]:          26785 :     if (extension_id >= rel->extension_state_allocated)
                                166                 :                :     {
                                167                 :                :         int         i;
                                168                 :                : 
  324 rhaas@postgresql.org      169                 :UBC           0 :         i = pg_nextpower2_32(extension_id + 1);
  260 michael@paquier.xyz       170                 :              0 :         rel->extension_state = repalloc0_array(rel->extension_state, void *,
                                171                 :                :                                                rel->extension_state_allocated, i);
  324 rhaas@postgresql.org      172                 :              0 :         rel->extension_state_allocated = i;
                                173                 :                :     }
                                174                 :                : 
  324 rhaas@postgresql.org      175                 :CBC       26785 :     rel->extension_state[extension_id] = opaque;
                                176                 :          26785 : }
        

Generated by: LCOV version 2.0-1