diff options
Diffstat (limited to 'src/backend/commands/explain.c')
| -rw-r--r-- | src/backend/commands/explain.c | 51 |
1 files changed, 36 insertions, 15 deletions
diff --git a/src/backend/commands/explain.c b/src/backend/commands/explain.c index 65345907d0a..ccae1f9d84c 100644 --- a/src/backend/commands/explain.c +++ b/src/backend/commands/explain.c @@ -22,6 +22,7 @@ #include "commands/trigger.h" #include "executor/hashjoin.h" #include "executor/instrument.h" +#include "foreign/fdwapi.h" #include "optimizer/clauses.h" #include "optimizer/planner.h" #include "optimizer/var.h" @@ -80,25 +81,15 @@ static void show_sort_keys_common(PlanState *planstate, List *ancestors, ExplainState *es); static void show_sort_info(SortState *sortstate, ExplainState *es); static void show_hash_info(HashState *hashstate, ExplainState *es); +static void show_foreignscan_info(ForeignScanState *fsstate, ExplainState *es); static const char *explain_get_index_name(Oid indexId); static void ExplainScanTarget(Scan *plan, ExplainState *es); static void ExplainMemberNodes(List *plans, PlanState **planstates, List *ancestors, ExplainState *es); static void ExplainSubPlans(List *plans, List *ancestors, const char *relationship, ExplainState *es); -static void ExplainPropertyList(const char *qlabel, List *data, - ExplainState *es); static void ExplainProperty(const char *qlabel, const char *value, bool numeric, ExplainState *es); - -#define ExplainPropertyText(qlabel, value, es) \ - ExplainProperty(qlabel, value, false, es) -static void ExplainPropertyInteger(const char *qlabel, int value, - ExplainState *es); -static void ExplainPropertyLong(const char *qlabel, long value, - ExplainState *es); -static void ExplainPropertyFloat(const char *qlabel, double value, int ndigits, - ExplainState *es); static void ExplainOpenGroup(const char *objtype, const char *labelname, bool labeled, ExplainState *es); static void ExplainCloseGroup(const char *objtype, const char *labelname, @@ -705,6 +696,9 @@ ExplainNode(PlanState *planstate, List *ancestors, case T_WorkTableScan: pname = sname = "WorkTable Scan"; break; + case T_ForeignScan: + pname = sname = "Foreign Scan"; + break; case T_Material: pname = sname = "Materialize"; break; @@ -854,6 +848,7 @@ ExplainNode(PlanState *planstate, List *ancestors, case T_ValuesScan: case T_CteScan: case T_WorkTableScan: + case T_ForeignScan: ExplainScanTarget((Scan *) plan, es); break; case T_BitmapIndexScan: @@ -1057,6 +1052,10 @@ ExplainNode(PlanState *planstate, List *ancestors, show_scan_qual(plan->qual, "Filter", planstate, ancestors, es); } break; + case T_ForeignScan: + show_scan_qual(plan->qual, "Filter", planstate, ancestors, es); + show_foreignscan_info((ForeignScanState *) planstate, es); + break; case T_NestLoop: show_upper_qual(((NestLoop *) plan)->join.joinqual, "Join Filter", planstate, ancestors, es); @@ -1524,6 +1523,18 @@ show_hash_info(HashState *hashstate, ExplainState *es) } /* + * Show extra information for a ForeignScan node. + */ +static void +show_foreignscan_info(ForeignScanState *fsstate, ExplainState *es) +{ + FdwRoutine *fdwroutine = fsstate->fdwroutine; + + /* Let the FDW emit whatever fields it wants */ + fdwroutine->ExplainForeignScan(fsstate, es); +} + +/* * Fetch the name of an index in an EXPLAIN * * We allow plugins to get control here so that plans involving hypothetical @@ -1570,6 +1581,7 @@ ExplainScanTarget(Scan *plan, ExplainState *es) case T_IndexScan: case T_BitmapHeapScan: case T_TidScan: + case T_ForeignScan: /* Assert it's on a real relation */ Assert(rte->rtekind == RTE_RELATION); objectname = get_rel_name(rte->relid); @@ -1695,7 +1707,7 @@ ExplainSubPlans(List *plans, List *ancestors, * Explain a property, such as sort keys or targets, that takes the form of * a list of unlabeled items. "data" is a list of C strings. */ -static void +void ExplainPropertyList(const char *qlabel, List *data, ExplainState *es) { ListCell *lc; @@ -1818,9 +1830,18 @@ ExplainProperty(const char *qlabel, const char *value, bool numeric, } /* + * Explain a string-valued property. + */ +void +ExplainPropertyText(const char *qlabel, const char *value, ExplainState *es) +{ + ExplainProperty(qlabel, value, false, es); +} + +/* * Explain an integer-valued property. */ -static void +void ExplainPropertyInteger(const char *qlabel, int value, ExplainState *es) { char buf[32]; @@ -1832,7 +1853,7 @@ ExplainPropertyInteger(const char *qlabel, int value, ExplainState *es) /* * Explain a long-integer-valued property. */ -static void +void ExplainPropertyLong(const char *qlabel, long value, ExplainState *es) { char buf[32]; @@ -1845,7 +1866,7 @@ ExplainPropertyLong(const char *qlabel, long value, ExplainState *es) * Explain a float-valued property, using the specified number of * fractional digits. */ -static void +void ExplainPropertyFloat(const char *qlabel, double value, int ndigits, ExplainState *es) { |