diff options
Diffstat (limited to 'src/backend/commands/explain.c')
| -rw-r--r-- | src/backend/commands/explain.c | 35 |
1 files changed, 34 insertions, 1 deletions
diff --git a/src/backend/commands/explain.c b/src/backend/commands/explain.c index 989b52da9d4..9799e9ecb41 100644 --- a/src/backend/commands/explain.c +++ b/src/backend/commands/explain.c @@ -90,6 +90,7 @@ static void ExplainIndexScanDetails(Oid indexid, ScanDirection indexorderdir, static void ExplainScanTarget(Scan *plan, ExplainState *es); static void ExplainModifyTarget(ModifyTable *plan, ExplainState *es); static void ExplainTargetRel(Plan *plan, Index rti, ExplainState *es); +static void show_modifytable_info(ModifyTableState *mtstate, ExplainState *es); static void ExplainMemberNodes(List *plans, PlanState **planstates, List *ancestors, ExplainState *es); static void ExplainSubPlans(List *plans, List *ancestors, @@ -1341,6 +1342,9 @@ ExplainNode(PlanState *planstate, List *ancestors, show_instrumentation_count("Rows Removed by Filter", 1, planstate, es); break; + case T_ModifyTable: + show_modifytable_info((ModifyTableState *) planstate, es); + break; case T_Hash: show_hash_info((HashState *) planstate, es); break; @@ -1840,7 +1844,8 @@ show_foreignscan_info(ForeignScanState *fsstate, ExplainState *es) FdwRoutine *fdwroutine = fsstate->fdwroutine; /* Let the FDW emit whatever fields it wants */ - fdwroutine->ExplainForeignScan(fsstate, es); + if (fdwroutine->ExplainForeignScan != NULL) + fdwroutine->ExplainForeignScan(fsstate, es); } /* @@ -2037,6 +2042,34 @@ ExplainTargetRel(Plan *plan, Index rti, ExplainState *es) } /* + * Show extra information for a ModifyTable node + */ +static void +show_modifytable_info(ModifyTableState *mtstate, ExplainState *es) +{ + FdwRoutine *fdwroutine = mtstate->resultRelInfo->ri_FdwRoutine; + + /* + * If the first target relation is a foreign table, call its FDW to + * display whatever additional fields it wants to. For now, we ignore the + * possibility of other targets being foreign tables, although the API for + * ExplainForeignModify is designed to allow them to be processed. + */ + if (fdwroutine != NULL && + fdwroutine->ExplainForeignModify != NULL) + { + ModifyTable *node = (ModifyTable *) mtstate->ps.plan; + List *fdw_private = (List *) linitial(node->fdwPrivLists); + + fdwroutine->ExplainForeignModify(mtstate, + mtstate->resultRelInfo, + fdw_private, + 0, + es); + } +} + +/* * Explain the constituent plans of a ModifyTable, Append, MergeAppend, * BitmapAnd, or BitmapOr node. * |