Support PostgreSQL 14

[pghintplan/pg_hint_plan.git] / make_join_rel.c

diff --git a/make_join_rel.c b/make_join_rel.c
index d57b6da..638e500 100644 (file)
--- a/make_join_rel.c
+++ b/make_join_rel.c
@@ -5,19 +5,20 @@
  *       modifications.
  *
  * src/backend/optimizer/path/joinrels.c
+ *
+ * This file contains the following functions from corresponding files.
+ *
+ *     static functions:
  *     make_join_rel()
+ *     populate_joinrel_with_paths()
  *
- * Portions Copyright (c) 2013-2017, NIPPON TELEGRAPH AND TELEPHONE CORPORATION
- * Portions Copyright (c) 1996-2017, PostgreSQL Global Development Group
+ * Portions Copyright (c) 2013-2020, NIPPON TELEGRAPH AND TELEPHONE CORPORATION
+ * Portions Copyright (c) 1996-2020, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
  *-------------------------------------------------------------------------
  */
 
-static void populate_joinrel_with_paths(PlannerInfo *root, RelOptInfo *rel1,
-                                                                               RelOptInfo *rel2, RelOptInfo *joinrel,
-                                                                               SpecialJoinInfo *sjinfo,
-                                                                               List *restrictlist);
 /*
  * adjust_rows: tweak estimated row numbers according to the hint.
  */
@@ -48,6 +49,7 @@ adjust_rows(double rows, RowsHint *hint)
        return result;
 }
 
+
 /*
  * make_join_rel
  *        Find or create a join RelOptInfo that represents the join of
@@ -124,7 +126,7 @@ make_join_rel(PlannerInfo *root, RelOptInfo *rel1, RelOptInfo *rel2)
        joinrel = build_join_rel(root, joinrelids, rel1, rel2, sjinfo,
                                                         &restrictlist);
 
-       /* !!! START: HERE IS THE PART WHICH ADDED FOR PG_HINT_PLAN !!! */
+       /* !!! START: HERE IS THE PART WHICH IS ADDED FOR PG_HINT_PLAN !!! */
        {
                RowsHint   *rows_hint = NULL;
                int                     i;
@@ -200,7 +202,7 @@ make_join_rel(PlannerInfo *root, RelOptInfo *rel1, RelOptInfo *rel2)
                        
                }
        }
-       /* !!! END: HERE IS THE PART WHICH ADDED FOR PG_HINT_PLAN !!! */
+       /* !!! END: HERE IS THE PART WHICH IS ADDED FOR PG_HINT_PLAN !!! */
 
        /*
         * If we've already proven this join is empty, we needn't consider any
@@ -221,6 +223,7 @@ make_join_rel(PlannerInfo *root, RelOptInfo *rel1, RelOptInfo *rel2)
        return joinrel;
 }
 
+
 /*
  * populate_joinrel_with_paths
  *       Add paths to the given joinrel for given pair of joining relations. The
@@ -255,7 +258,7 @@ populate_joinrel_with_paths(PlannerInfo *root, RelOptInfo *rel1,
        {
                case JOIN_INNER:
                        if (is_dummy_rel(rel1) || is_dummy_rel(rel2) ||
-                               restriction_is_constant_false(restrictlist, false))
+                               restriction_is_constant_false(restrictlist, joinrel, false))
                        {
                                mark_dummy_rel(joinrel);
                                break;
@@ -269,12 +272,12 @@ populate_joinrel_with_paths(PlannerInfo *root, RelOptInfo *rel1,
                        break;
                case JOIN_LEFT:
                        if (is_dummy_rel(rel1) ||
-                               restriction_is_constant_false(restrictlist, true))
+                               restriction_is_constant_false(restrictlist, joinrel, true))
                        {
                                mark_dummy_rel(joinrel);
                                break;
                        }
-                       if (restriction_is_constant_false(restrictlist, false) &&
+                       if (restriction_is_constant_false(restrictlist, joinrel, false) &&
                                bms_is_subset(rel2->relids, sjinfo->syn_righthand))
                                mark_dummy_rel(rel2);
                        add_paths_to_joinrel(root, joinrel, rel1, rel2,
@@ -286,7 +289,7 @@ populate_joinrel_with_paths(PlannerInfo *root, RelOptInfo *rel1,
                        break;
                case JOIN_FULL:
                        if ((is_dummy_rel(rel1) && is_dummy_rel(rel2)) ||
-                               restriction_is_constant_false(restrictlist, true))
+                               restriction_is_constant_false(restrictlist, joinrel, true))
                        {
                                mark_dummy_rel(joinrel);
                                break;
@@ -322,7 +325,7 @@ populate_joinrel_with_paths(PlannerInfo *root, RelOptInfo *rel1,
                                bms_is_subset(sjinfo->min_righthand, rel2->relids))
                        {
                                if (is_dummy_rel(rel1) || is_dummy_rel(rel2) ||
-                                       restriction_is_constant_false(restrictlist, false))
+                                       restriction_is_constant_false(restrictlist, joinrel, false))
                                {
                                        mark_dummy_rel(joinrel);
                                        break;
@@ -345,7 +348,7 @@ populate_joinrel_with_paths(PlannerInfo *root, RelOptInfo *rel1,
                                                                   sjinfo) != NULL)
                        {
                                if (is_dummy_rel(rel1) || is_dummy_rel(rel2) ||
-                                       restriction_is_constant_false(restrictlist, false))
+                                       restriction_is_constant_false(restrictlist, joinrel, false))
                                {
                                        mark_dummy_rel(joinrel);
                                        break;
@@ -360,12 +363,12 @@ populate_joinrel_with_paths(PlannerInfo *root, RelOptInfo *rel1,
                        break;
                case JOIN_ANTI:
                        if (is_dummy_rel(rel1) ||
-                               restriction_is_constant_false(restrictlist, true))
+                               restriction_is_constant_false(restrictlist, joinrel, true))
                        {
                                mark_dummy_rel(joinrel);
                                break;
                        }
-                       if (restriction_is_constant_false(restrictlist, false) &&
+                       if (restriction_is_constant_false(restrictlist, joinrel, false) &&
                                bms_is_subset(rel2->relids, sjinfo->syn_righthand))
                                mark_dummy_rel(rel2);
                        add_paths_to_joinrel(root, joinrel, rel1, rel2,
@@ -377,4 +380,7 @@ populate_joinrel_with_paths(PlannerInfo *root, RelOptInfo *rel1,
                        elog(ERROR, "unrecognized join type: %d", (int) sjinfo->jointype);
                        break;
        }
+
+       /* Apply partitionwise join technique, if possible. */
+       try_partitionwise_join(root, rel1, rel2, joinrel, sjinfo, restrictlist);
 }