diff options
Diffstat (limited to 'src/backend/optimizer/plan/createplan.c')
| -rw-r--r-- | src/backend/optimizer/plan/createplan.c | 24 |
1 files changed, 20 insertions, 4 deletions
diff --git a/src/backend/optimizer/plan/createplan.c b/src/backend/optimizer/plan/createplan.c index bfefc7dbea1..9fd5c31edf2 100644 --- a/src/backend/optimizer/plan/createplan.c +++ b/src/backend/optimizer/plan/createplan.c @@ -7233,6 +7233,8 @@ make_modifytable(PlannerInfo *root, Plan *subplan, ModifyTable *node = makeNode(ModifyTable); bool returning_old_or_new = false; bool returning_old_or_new_valid = false; + bool transition_tables = false; + bool transition_tables_valid = false; List *fdw_private_list; Bitmapset *direct_modify_plans; ListCell *lc; @@ -7379,8 +7381,8 @@ make_modifytable(PlannerInfo *root, Plan *subplan, * callback functions needed for that and (2) there are no local * structures that need to be run for each modified row: row-level * triggers on the foreign table, stored generated columns, WITH CHECK - * OPTIONs from parent views, or Vars returning OLD/NEW in the - * RETURNING list. + * OPTIONs from parent views, Vars returning OLD/NEW in the RETURNING + * list, or transition tables on the named relation. */ direct_modify = false; if (fdwroutine != NULL && @@ -7392,7 +7394,10 @@ make_modifytable(PlannerInfo *root, Plan *subplan, !has_row_triggers(root, rti, operation) && !has_stored_generated_columns(root, rti)) { - /* returning_old_or_new is the same for all result relations */ + /* + * returning_old_or_new and transition_tables are the same for all + * result relations, respectively + */ if (!returning_old_or_new_valid) { returning_old_or_new = @@ -7401,7 +7406,18 @@ make_modifytable(PlannerInfo *root, Plan *subplan, returning_old_or_new_valid = true; } if (!returning_old_or_new) - direct_modify = fdwroutine->PlanDirectModify(root, node, rti, i); + { + if (!transition_tables_valid) + { + transition_tables = has_transition_tables(root, + nominalRelation, + operation); + transition_tables_valid = true; + } + if (!transition_tables) + direct_modify = fdwroutine->PlanDirectModify(root, node, + rti, i); + } } if (direct_modify) direct_modify_plans = bms_add_member(direct_modify_plans, i); |