提交: 066f0649c604b6a672bca3c3e51311769c5b3d81 - amalsyah12 (git)

firtst release

Commit MetaInfo

• 修訂: 066f0649c604b6a672bca3c3e51311769c5b3d81 (tree)
• 時間: 2018-06-08 14:12:56
• 作者: Kyotaro Horiguchi <horiguchi.kyotaro@lab....>
• Commiter: Kyotaro Horiguchi

Log Message

Took in core improvement.

Took in the following commit of core.

80e12a6218 Change more places to be less trusting of RestrictInfo.is_pushed_down.

Fixed typos and removed useless include on the way.

Change Summary

• modified: core.c
• modified: make_join_rel.c
• modified: pg_stat_statements.c

差異

--- a/core.c
+++ b/core.c
@@ -20,7 +20,7 @@
  *     mark_dummy_rel()
  *     restriction_is_constant_false()
  *
- * Portions Copyright (c) 1996-2016, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1996-2015, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
  *-------------------------------------------------------------------------
@@ -1224,18 +1224,21 @@ mark_dummy_rel(RelOptInfo *rel)
 }
 
 /*
- * restriction_is_constant_false --- is a restrictlist just FALSE?
+ * restriction_is_constant_false --- is a restrictlist just false?
  *
- * In cases where a qual is provably constant FALSE, eval_const_expressions
+ * In cases where a qual is provably constant false, eval_const_expressions
  * will generally have thrown away anything that's ANDed with it.  In outer
  * join situations this will leave us computing cartesian products only to
  * decide there's no match for an outer row, which is pretty stupid.  So,
  * we need to detect the case.
  *
- * If only_pushed_down is TRUE, then consider only pushed-down quals.
+ * If only_pushed_down is true, then consider only quals that are pushed-down
+ * from the point of view of the joinrel.
  */
 static bool
-restriction_is_constant_false(List *restrictlist, bool only_pushed_down)
+restriction_is_constant_false(List *restrictlist,
+							  RelOptInfo *joinrel,
+							  bool only_pushed_down)
 {
 	ListCell   *lc;
 
@@ -1250,7 +1253,7 @@ restriction_is_constant_false(List *restrictlist, bool only_pushed_down)
 		RestrictInfo *rinfo = (RestrictInfo *) lfirst(lc);
 
 		Assert(IsA(rinfo, RestrictInfo));
-		if (only_pushed_down && !rinfo->is_pushed_down)
+		if (only_pushed_down && !RINFO_IS_PUSHED_DOWN(rinfo, joinrel->relids))
 			continue;
 
 		if (rinfo->clause && IsA(rinfo->clause, Const))

--- a/make_join_rel.c
+++ b/make_join_rel.c
@@ -6,8 +6,8 @@
  * src/backend/optimizer/path/joinrels.c
  *     make_join_rel()
  *
- * Portions Copyright (c) 2013-2014, NIPPON TELEGRAPH AND TELEPHONE CORPORATION
- * Portions Copyright (c) 1996-2012, PostgreSQL Global Development Group
+ * Portions Copyright (c) 2013-2018, NIPPON TELEGRAPH AND TELEPHONE CORPORATION
+ * Portions Copyright (c) 1996-2015, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
  *-------------------------------------------------------------------------
@@ -229,7 +229,7 @@ make_join_rel(PlannerInfo *root, RelOptInfo *rel1, RelOptInfo *rel2)
 	{
 		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;
@@ -243,12 +243,12 @@ make_join_rel(PlannerInfo *root, RelOptInfo *rel1, RelOptInfo *rel2)
 			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,
@@ -260,7 +260,7 @@ make_join_rel(PlannerInfo *root, RelOptInfo *rel1, RelOptInfo *rel2)
 			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;
@@ -296,7 +296,7 @@ make_join_rel(PlannerInfo *root, RelOptInfo *rel1, RelOptInfo *rel2)
 				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;
@@ -319,7 +319,7 @@ make_join_rel(PlannerInfo *root, RelOptInfo *rel1, RelOptInfo *rel2)
 								   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;
@@ -334,12 +334,12 @@ make_join_rel(PlannerInfo *root, RelOptInfo *rel1, RelOptInfo *rel2)
 			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,

--- a/pg_stat_statements.c
+++ b/pg_stat_statements.c
@@ -10,8 +10,6 @@
  */
 #include "postgres.h"
 
-#include <sys/stat.h>
-
 #include "access/hash.h"
 #include "parser/scanner.h"