ヒント使用状況ごとのデバッグログ出力確認試験(試験項目A-13-4-*)を追加した。

diff --git a/expected/ut-A2.out b/expected/ut-A2.out
index e353d8e..393f83f 100644 (file)
--- a/expected/ut-A2.out
+++ b/expected/ut-A2.out
@@ -241,10 +241,344 @@ error hint:
 ---- No. A-13-4 output of debugging log on hint status
 ----
 --No.13-4-1
+/*+HashJoin(t_1 t_2)*/
+EXPLAIN (COSTS false)
+ SELECT nested_planner(2) FROM s1.t1 t_1
+   JOIN s1.t2 t_2 ON (t_1.c1 = t_2.c1)
+  ORDER BY t_1.c1;
+NOTICE:  nested_planner(2)
+NOTICE:  nested_planner(1)
+CONTEXT:  SQL statement "/*+ IndexScan(t_1) */ SELECT nested_planner($1) FROM s1.t1 t_1 JOIN s1.t2 t_2 ON (t_1.c1 = t_2.c1) ORDER BY t_1.c1 LIMIT 1"
+PL/pgSQL function "nested_planner" line 12 at EXECUTE statement
+LOG:  pg_hint_plan:
+used hint:
+HashJoin(t_1 t_2)
+not used hint:
+duplication hint:
+error hint:
+
+CONTEXT:  SQL statement "/*+ IndexScan(t_1) */ SELECT nested_planner($1) FROM s1.t1 t_1 JOIN s1.t2 t_2 ON (t_1.c1 = t_2.c1) ORDER BY t_1.c1 LIMIT 1"
+PL/pgSQL function "nested_planner" line 12 at EXECUTE statement
+LOG:  pg_hint_plan:
+used hint:
+HashJoin(t_1 t_2)
+not used hint:
+duplication hint:
+error hint:
+
+              QUERY PLAN              
+--------------------------------------
+ Sort
+   Sort Key: t_1.c1
+   ->  Hash Join
+         Hash Cond: (t_1.c1 = t_2.c1)
+         ->  Seq Scan on t1 t_1
+         ->  Hash
+               ->  Seq Scan on t2 t_2
+(7 rows)
+
 --No.13-4-2
+/*+HashJoin(st_1 st_2)*/
+EXPLAIN (COSTS false)
+ SELECT nested_planner(2) FROM s1.t1 st_1
+   JOIN s1.t2 st_2 ON (st_1.c1 = st_2.c1)
+  ORDER BY st_1.c1;
+NOTICE:  nested_planner(2)
+NOTICE:  nested_planner(1)
+CONTEXT:  SQL statement "/*+ IndexScan(t_1) */ SELECT nested_planner($1) FROM s1.t1 t_1 JOIN s1.t2 t_2 ON (t_1.c1 = t_2.c1) ORDER BY t_1.c1 LIMIT 1"
+PL/pgSQL function "nested_planner" line 12 at EXECUTE statement
+LOG:  pg_hint_plan:
+used hint:
+not used hint:
+HashJoin(st_1 st_2)
+duplication hint:
+error hint:
+
+CONTEXT:  SQL statement "/*+ IndexScan(t_1) */ SELECT nested_planner($1) FROM s1.t1 t_1 JOIN s1.t2 t_2 ON (t_1.c1 = t_2.c1) ORDER BY t_1.c1 LIMIT 1"
+PL/pgSQL function "nested_planner" line 12 at EXECUTE statement
+LOG:  pg_hint_plan:
+used hint:
+HashJoin(st_1 st_2)
+not used hint:
+duplication hint:
+error hint:
+
+               QUERY PLAN               
+----------------------------------------
+ Sort
+   Sort Key: st_1.c1
+   ->  Hash Join
+         Hash Cond: (st_1.c1 = st_2.c1)
+         ->  Seq Scan on t1 st_1
+         ->  Hash
+               ->  Seq Scan on t2 st_2
+(7 rows)
+
 --No.13-4-3
+/*+HashJoin(t_1 t_2)*/
+EXPLAIN (COSTS false)
+ SELECT nested_planner(2) FROM s1.t1 st_1
+   JOIN s1.t2 st_2 ON (st_1.c1 = st_2.c1)
+  ORDER BY st_1.c1;
+NOTICE:  nested_planner(2)
+NOTICE:  nested_planner(1)
+CONTEXT:  SQL statement "/*+ IndexScan(t_1) */ SELECT nested_planner($1) FROM s1.t1 t_1 JOIN s1.t2 t_2 ON (t_1.c1 = t_2.c1) ORDER BY t_1.c1 LIMIT 1"
+PL/pgSQL function "nested_planner" line 12 at EXECUTE statement
+LOG:  pg_hint_plan:
+used hint:
+HashJoin(t_1 t_2)
+not used hint:
+duplication hint:
+error hint:
+
+CONTEXT:  SQL statement "/*+ IndexScan(t_1) */ SELECT nested_planner($1) FROM s1.t1 t_1 JOIN s1.t2 t_2 ON (t_1.c1 = t_2.c1) ORDER BY t_1.c1 LIMIT 1"
+PL/pgSQL function "nested_planner" line 12 at EXECUTE statement
+LOG:  pg_hint_plan:
+used hint:
+not used hint:
+HashJoin(t_1 t_2)
+duplication hint:
+error hint:
+
+               QUERY PLAN                
+-----------------------------------------
+ Merge Join
+   Merge Cond: (st_1.c1 = st_2.c1)
+   ->  Index Scan using t1_i1 on t1 st_1
+   ->  Sort
+         Sort Key: st_2.c1
+         ->  Seq Scan on t2 st_2
+(6 rows)
+
 --No.13-4-4
+/*+HashJoin(st_1 st_2)*/
+EXPLAIN (COSTS false)
+ SELECT nested_planner(2) FROM s1.t1 t_1
+   JOIN s1.t2 t_2 ON (t_1.c1 = t_2.c1)
+  ORDER BY t_1.c1;
+NOTICE:  nested_planner(2)
+NOTICE:  nested_planner(1)
+CONTEXT:  SQL statement "/*+ IndexScan(t_1) */ SELECT nested_planner($1) FROM s1.t1 t_1 JOIN s1.t2 t_2 ON (t_1.c1 = t_2.c1) ORDER BY t_1.c1 LIMIT 1"
+PL/pgSQL function "nested_planner" line 12 at EXECUTE statement
+LOG:  pg_hint_plan:
+used hint:
+not used hint:
+HashJoin(st_1 st_2)
+duplication hint:
+error hint:
+
+CONTEXT:  SQL statement "/*+ IndexScan(t_1) */ SELECT nested_planner($1) FROM s1.t1 t_1 JOIN s1.t2 t_2 ON (t_1.c1 = t_2.c1) ORDER BY t_1.c1 LIMIT 1"
+PL/pgSQL function "nested_planner" line 12 at EXECUTE statement
+LOG:  pg_hint_plan:
+used hint:
+not used hint:
+HashJoin(st_1 st_2)
+duplication hint:
+error hint:
+
+               QUERY PLAN               
+----------------------------------------
+ Merge Join
+   Merge Cond: (t_1.c1 = t_2.c1)
+   ->  Index Scan using t1_i1 on t1 t_1
+   ->  Sort
+         Sort Key: t_2.c1
+         ->  Seq Scan on t2 t_2
+(6 rows)
+
 --No.13-4-5
+/*+HashJoin(t_1 t_1)*/
+EXPLAIN (COSTS false)
+ SELECT nested_planner(2) FROM s1.t1 t_1
+  ORDER BY t_1.c1;
+NOTICE:  nested_planner(2)
+NOTICE:  nested_planner(1)
+CONTEXT:  SQL statement "/*+ IndexScan(t_1) */ SELECT nested_planner($1) FROM s1.t1 t_1 JOIN s1.t2 t_2 ON (t_1.c1 = t_2.c1) ORDER BY t_1.c1 LIMIT 1"
+PL/pgSQL function "nested_planner" line 12 at EXECUTE statement
+INFO:  hint syntax error at or near "HashJoin(t_1 t_1)"
+DETAIL:  Relation name "t_1" is duplicated.
+CONTEXT:  SQL statement "/*+ IndexScan(t_1) */ SELECT nested_planner($1) FROM s1.t1 t_1 JOIN s1.t2 t_2 ON (t_1.c1 = t_2.c1) ORDER BY t_1.c1 LIMIT 1"
+PL/pgSQL function "nested_planner" line 12 at EXECUTE statement
+LOG:  pg_hint_plan:
+used hint:
+not used hint:
+duplication hint:
+error hint:
+HashJoin(t_1 t_1)
+
+CONTEXT:  SQL statement "/*+ IndexScan(t_1) */ SELECT nested_planner($1) FROM s1.t1 t_1 JOIN s1.t2 t_2 ON (t_1.c1 = t_2.c1) ORDER BY t_1.c1 LIMIT 1"
+PL/pgSQL function "nested_planner" line 12 at EXECUTE statement
+LOG:  pg_hint_plan:
+used hint:
+not used hint:
+HashJoin(t_1 t_1)
+duplication hint:
+error hint:
+
+            QUERY PLAN            
+----------------------------------
+ Index Scan using t1_i1 on t1 t_1
+(1 row)
+
 --No.13-4-6
+CREATE OR REPLACE FUNCTION nested_planner_one_t(cnt int) RETURNS int AS $$
+DECLARE
+    new_cnt int;
+BEGIN
+    RAISE NOTICE 'nested_planner_one_t(%)', cnt;
+
+    IF cnt <= 1 THEN
+        RETURN 0;
+    END IF;
+
+    EXECUTE '/*+ IndexScan(t_1) */'
+            ' SELECT nested_planner_one_t($1) FROM s1.t1 t_1'
+            ' ORDER BY t_1.c1 LIMIT 1'
+        INTO new_cnt USING cnt - 1;
+
+    RETURN new_cnt;
+END;
+$$ LANGUAGE plpgsql IMMUTABLE;
+EXPLAIN (COSTS false)
+ SELECT nested_planner_one_t(2) FROM s1.t1 t_1
+   JOIN s1.t2 t_2 ON (t_1.c1 = t_2.c1)
+  ORDER BY t_1.c1;
+NOTICE:  nested_planner_one_t(2)
+NOTICE:  nested_planner_one_t(1)
+CONTEXT:  SQL statement "/*+ IndexScan(t_1) */ SELECT nested_planner_one_t($1) FROM s1.t1 t_1 ORDER BY t_1.c1 LIMIT 1"
+PL/pgSQL function "nested_planner_one_t" line 11 at EXECUTE statement
+               QUERY PLAN               
+----------------------------------------
+ Merge Join
+   Merge Cond: (t_1.c1 = t_2.c1)
+   ->  Index Scan using t1_i1 on t1 t_1
+   ->  Sort
+         Sort Key: t_2.c1
+         ->  Seq Scan on t2 t_2
+(6 rows)
+
+/*+HashJoin(t_1 t_1)*/
+EXPLAIN (COSTS false)
+ SELECT nested_planner_one_t(2) FROM s1.t1 t_1
+   JOIN s1.t2 t_2 ON (t_1.c1 = t_2.c1)
+  ORDER BY t_1.c1;
+NOTICE:  nested_planner_one_t(2)
+NOTICE:  nested_planner_one_t(1)
+CONTEXT:  SQL statement "/*+ IndexScan(t_1) */ SELECT nested_planner_one_t($1) FROM s1.t1 t_1 ORDER BY t_1.c1 LIMIT 1"
+PL/pgSQL function "nested_planner_one_t" line 11 at EXECUTE statement
+LOG:  pg_hint_plan:
+used hint:
+not used hint:
+HashJoin(t_1 t_1)
+duplication hint:
+error hint:
+
+CONTEXT:  SQL statement "/*+ IndexScan(t_1) */ SELECT nested_planner_one_t($1) FROM s1.t1 t_1 ORDER BY t_1.c1 LIMIT 1"
+PL/pgSQL function "nested_planner_one_t" line 11 at EXECUTE statement
+INFO:  hint syntax error at or near "HashJoin(t_1 t_1)"
+DETAIL:  Relation name "t_1" is duplicated.
+LOG:  pg_hint_plan:
+used hint:
+not used hint:
+duplication hint:
+error hint:
+HashJoin(t_1 t_1)
+
+               QUERY PLAN               
+----------------------------------------
+ Merge Join
+   Merge Cond: (t_1.c1 = t_2.c1)
+   ->  Index Scan using t1_i1 on t1 t_1
+   ->  Sort
+         Sort Key: t_2.c1
+         ->  Seq Scan on t2 t_2
+(6 rows)
+
+DROP FUNCTION nested_planner_one_t(int);
 --No.13-4-7
+/*+HashJoin(t_1 t_1)*/
+EXPLAIN (COSTS false)
+ SELECT nested_planner(2) FROM s1.t1 t_1
+   JOIN s1.t2 t_2 ON (t_1.c1 = t_2.c1)
+  ORDER BY t_1.c1;
+NOTICE:  nested_planner(2)
+NOTICE:  nested_planner(1)
+CONTEXT:  SQL statement "/*+ IndexScan(t_1) */ SELECT nested_planner($1) FROM s1.t1 t_1 JOIN s1.t2 t_2 ON (t_1.c1 = t_2.c1) ORDER BY t_1.c1 LIMIT 1"
+PL/pgSQL function "nested_planner" line 12 at EXECUTE statement
+INFO:  hint syntax error at or near "HashJoin(t_1 t_1)"
+DETAIL:  Relation name "t_1" is duplicated.
+CONTEXT:  SQL statement "/*+ IndexScan(t_1) */ SELECT nested_planner($1) FROM s1.t1 t_1 JOIN s1.t2 t_2 ON (t_1.c1 = t_2.c1) ORDER BY t_1.c1 LIMIT 1"
+PL/pgSQL function "nested_planner" line 12 at EXECUTE statement
+LOG:  pg_hint_plan:
+used hint:
+not used hint:
+duplication hint:
+error hint:
+HashJoin(t_1 t_1)
+
+CONTEXT:  SQL statement "/*+ IndexScan(t_1) */ SELECT nested_planner($1) FROM s1.t1 t_1 JOIN s1.t2 t_2 ON (t_1.c1 = t_2.c1) ORDER BY t_1.c1 LIMIT 1"
+PL/pgSQL function "nested_planner" line 12 at EXECUTE statement
+INFO:  hint syntax error at or near "HashJoin(t_1 t_1)"
+DETAIL:  Relation name "t_1" is duplicated.
+LOG:  pg_hint_plan:
+used hint:
+not used hint:
+duplication hint:
+error hint:
+HashJoin(t_1 t_1)
+
+               QUERY PLAN               
+----------------------------------------
+ Merge Join
+   Merge Cond: (t_1.c1 = t_2.c1)
+   ->  Index Scan using t1_i1 on t1 t_1
+   ->  Sort
+         Sort Key: t_2.c1
+         ->  Seq Scan on t2 t_2
+(6 rows)
+
 --No.13-4-8
+/*+MergeJoin(t_1 t_2)HashJoin(t_1 t_2)*/
+EXPLAIN (COSTS false)
+ SELECT nested_planner(2) FROM s1.t1 t_1
+   JOIN s1.t2 t_2 ON (t_1.c1 = t_2.c1)
+  ORDER BY t_1.c1;
+INFO:  hint syntax error at or near "MergeJoin(t_1 t_2)HashJoin(t_1 t_2)"
+DETAIL:  Conflict join method hint.
+NOTICE:  nested_planner(2)
+INFO:  hint syntax error at or near "MergeJoin(t_1 t_2)HashJoin(t_1 t_2)"
+DETAIL:  Conflict join method hint.
+CONTEXT:  SQL statement "/*+ IndexScan(t_1) */ SELECT nested_planner($1) FROM s1.t1 t_1 JOIN s1.t2 t_2 ON (t_1.c1 = t_2.c1) ORDER BY t_1.c1 LIMIT 1"
+PL/pgSQL function "nested_planner" line 12 at EXECUTE statement
+NOTICE:  nested_planner(1)
+CONTEXT:  SQL statement "/*+ IndexScan(t_1) */ SELECT nested_planner($1) FROM s1.t1 t_1 JOIN s1.t2 t_2 ON (t_1.c1 = t_2.c1) ORDER BY t_1.c1 LIMIT 1"
+PL/pgSQL function "nested_planner" line 12 at EXECUTE statement
+LOG:  pg_hint_plan:
+used hint:
+HashJoin(t_1 t_2)
+not used hint:
+duplication hint:
+MergeJoin(t_1 t_2)
+error hint:
+
+CONTEXT:  SQL statement "/*+ IndexScan(t_1) */ SELECT nested_planner($1) FROM s1.t1 t_1 JOIN s1.t2 t_2 ON (t_1.c1 = t_2.c1) ORDER BY t_1.c1 LIMIT 1"
+PL/pgSQL function "nested_planner" line 12 at EXECUTE statement
+LOG:  pg_hint_plan:
+used hint:
+HashJoin(t_1 t_2)
+not used hint:
+duplication hint:
+MergeJoin(t_1 t_2)
+error hint:
+
+              QUERY PLAN              
+--------------------------------------
+ Sort
+   Sort Key: t_1.c1
+   ->  Hash Join
+         Hash Cond: (t_1.c1 = t_2.c1)
+         ->  Seq Scan on t1 t_1
+         ->  Hash
+               ->  Seq Scan on t2 t_2
+(7 rows)
+

diff --git a/sql/ut-A2.sql b/sql/ut-A2.sql
index 477cc3e..a2ac014 100644 (file)
--- a/sql/ut-A2.sql
+++ b/sql/ut-A2.sql
@@ -62,17 +62,81 @@ EXPLAIN (COSTS false) SELECT nested_planner(5) FROM s1.t1 t_1 ORDER BY t_1.c1;
 ----
 
 --No.13-4-1
+/*+HashJoin(t_1 t_2)*/
+EXPLAIN (COSTS false)
+ SELECT nested_planner(2) FROM s1.t1 t_1
+   JOIN s1.t2 t_2 ON (t_1.c1 = t_2.c1)
+  ORDER BY t_1.c1;
 
 --No.13-4-2
+/*+HashJoin(st_1 st_2)*/
+EXPLAIN (COSTS false)
+ SELECT nested_planner(2) FROM s1.t1 st_1
+   JOIN s1.t2 st_2 ON (st_1.c1 = st_2.c1)
+  ORDER BY st_1.c1;
 
 --No.13-4-3
+/*+HashJoin(t_1 t_2)*/
+EXPLAIN (COSTS false)
+ SELECT nested_planner(2) FROM s1.t1 st_1
+   JOIN s1.t2 st_2 ON (st_1.c1 = st_2.c1)
+  ORDER BY st_1.c1;
 
 --No.13-4-4
+/*+HashJoin(st_1 st_2)*/
+EXPLAIN (COSTS false)
+ SELECT nested_planner(2) FROM s1.t1 t_1
+   JOIN s1.t2 t_2 ON (t_1.c1 = t_2.c1)
+  ORDER BY t_1.c1;
 
 --No.13-4-5
+/*+HashJoin(t_1 t_1)*/
+EXPLAIN (COSTS false)
+ SELECT nested_planner(2) FROM s1.t1 t_1
+  ORDER BY t_1.c1;
 
 --No.13-4-6
+CREATE OR REPLACE FUNCTION nested_planner_one_t(cnt int) RETURNS int AS $$
+DECLARE
+    new_cnt int;
+BEGIN
+    RAISE NOTICE 'nested_planner_one_t(%)', cnt;
+
+    IF cnt <= 1 THEN
+        RETURN 0;
+    END IF;
+
+    EXECUTE '/*+ IndexScan(t_1) */'
+            ' SELECT nested_planner_one_t($1) FROM s1.t1 t_1'
+            ' ORDER BY t_1.c1 LIMIT 1'
+        INTO new_cnt USING cnt - 1;
+
+    RETURN new_cnt;
+END;
+$$ LANGUAGE plpgsql IMMUTABLE;
+
+EXPLAIN (COSTS false)
+ SELECT nested_planner_one_t(2) FROM s1.t1 t_1
+   JOIN s1.t2 t_2 ON (t_1.c1 = t_2.c1)
+  ORDER BY t_1.c1;
+/*+HashJoin(t_1 t_1)*/
+EXPLAIN (COSTS false)
+ SELECT nested_planner_one_t(2) FROM s1.t1 t_1
+   JOIN s1.t2 t_2 ON (t_1.c1 = t_2.c1)
+  ORDER BY t_1.c1;
+
+DROP FUNCTION nested_planner_one_t(int);
 
 --No.13-4-7
+/*+HashJoin(t_1 t_1)*/
+EXPLAIN (COSTS false)
+ SELECT nested_planner(2) FROM s1.t1 t_1
+   JOIN s1.t2 t_2 ON (t_1.c1 = t_2.c1)
+  ORDER BY t_1.c1;
 
 --No.13-4-8
+/*+MergeJoin(t_1 t_2)HashJoin(t_1 t_2)*/
+EXPLAIN (COSTS false)
+ SELECT nested_planner(2) FROM s1.t1 t_1
+   JOIN s1.t2 t_2 ON (t_1.c1 = t_2.c1)
+  ORDER BY t_1.c1;