Add test case for Issue #87

diff --git a/src/test/regress/expected/xl_sqlsmith_bugs.out b/src/test/regress/expected/xl_sqlsmith_bugs.out
index c346fc8c3b76247d4940bba03007dc8c556191eb..71c7c8c7da56888ea5c2d6677f764d9bab2bfb3a 100644 (file)
--- a/src/test/regress/expected/xl_sqlsmith_bugs.out
+++ b/src/test/regress/expected/xl_sqlsmith_bugs.out
@@ -1,3 +1,129 @@
+-- #87
+-- SQLsmith error: cache lookup failed for function 0
+CREATE TABLE xl_join_t1 (val1 int, val2 int);
+CREATE TABLE xl_join_t2 (val1 int, val2 int);
+CREATE TABLE xl_join_t3 (val1 int, val2 int);
+INSERT INTO xl_join_t1 VALUES (1,10),(2,20);
+INSERT INTO xl_join_t2 VALUES (3,30),(4,40);
+INSERT INTO xl_join_t3 VALUES (5,50),(6,60);
+EXPLAIN SELECT * FROM xl_join_t1
+        INNER JOIN xl_join_t2 ON xl_join_t1.val1 = xl_join_t2.val2
+        INNER JOIN xl_join_t3 ON xl_join_t1.val1 = xl_join_t3.val1;
+                                                      QUERY PLAN                                                      
+----------------------------------------------------------------------------------------------------------------------
+ Remote Subquery Scan on all (datanode_1,datanode_2)  (cost=475.52..5209.87 rows=288579 width=24)
+   ->  Merge Join  (cost=475.52..5209.87 rows=288579 width=24)
+         Merge Cond: (xl_join_t3.val1 = xl_join_t1.val1)
+         ->  Sort  (cost=158.51..164.16 rows=2260 width=8)
+               Sort Key: xl_join_t3.val1
+               ->  Seq Scan on xl_join_t3  (cost=0.00..32.60 rows=2260 width=8)
+         ->  Materialize  (cost=317.01..775.23 rows=25538 width=16)
+               ->  Merge Join  (cost=317.01..711.38 rows=25538 width=16)
+                     Merge Cond: (xl_join_t2.val2 = xl_join_t1.val1)
+                     ->  Remote Subquery Scan on all (datanode_1,datanode_2)  (cost=100.00..161.98 rows=2260 width=8)
+                           Distribute results by H: val2
+                           ->  Sort  (cost=287.89..293.54 rows=2260 width=8)
+                                 Sort Key: xl_join_t2.val2
+                                 ->  Seq Scan on xl_join_t2  (cost=0.00..32.60 rows=2260 width=8)
+                     ->  Sort  (cost=158.51..164.16 rows=2260 width=8)
+                           Sort Key: xl_join_t1.val1
+                           ->  Seq Scan on xl_join_t1  (cost=0.00..32.60 rows=2260 width=8)
+(17 rows)
+
+SELECT * FROM xl_join_t1
+        INNER JOIN xl_join_t2 ON xl_join_t1.val1 = xl_join_t2.val2
+        INNER JOIN xl_join_t3 ON xl_join_t1.val1 = xl_join_t3.val1;
+ val1 | val2 | val1 | val2 | val1 | val2 
+------+------+------+------+------+------
+(0 rows)
+
+select
+          55 as c0,
+          subq_3.c0 as c1,
+          subq_3.c1 as c2
+        from
+          (select
+                  subq_0.c4 as c0,
+                  subq_0.c3 as c1,
+                  subq_0.c1 as c2,
+                  pg_catalog.pg_backend_pid() as c3,
+                  39 as c4,
+                  50 as c5,
+                  (select conforencoding from pg_catalog.pg_conversion limit 1 offset 8)
+         as c6
+                from
+                  (select
+                        81 as c0,
+                        sample_1.val2 as c1,
+                        (select ordinal_position from information_schema.columns limit 1 offset 29)
+         as c2,
+                        sample_1.val1 as c3,
+                        sample_1.val2 as c4
+                      from
+                        public.xl_join_t3 as sample_1 tablesample system (5.5)
+                      where true) as subq_0,
+                  lateral (select
+                        75 as c0
+                      from
+                        information_schema.routines as ref_1,
+                        lateral (select
+                              32 as c0
+                            from
+                              pg_catalog.pg_database as sample_2 tablesample system (9.1)
+                            where ((select pid from pg_catalog.pg_stat_activity limit 1 offset 1)
+         > (select ordinal_position from information_schema.attributes limit 1 offset 36)
+        )
+                              and (subq_0.c0 <> subq_0.c1)
+                            limit 64) as subq_1
+                      where pg_catalog.pg_get_function_identity_arguments(
+                          cast(pg_catalog.pg_my_temp_schema() as oid)) is NULL) as subq_2
+                where ((select pid from pg_catalog.pg_stat_activity limit 1 offset 22)
+         <= 50)
+                  or ((72 <= subq_0.c2)
+                    and (((98 >= subq_0.c0)
+                        and (subq_2.c0 <> (select character_maximum_length from information_schema.element_types limit 1 offset 30)
+        ))
+                      and (EXISTS (
+                        select
+                            ref_2.collation_name as c0,
+                            ref_2.scope_schema as c1,
+                            47 as c2,
+                            pg_catalog.pgxc_pool_check() as c3,
+                            76 as c4,
+                            83 as c5,
+                            pg_catalog.current_user() as c6
+                          from
+                            information_schema.element_types as ref_2
+                          where pg_catalog.time_pl_interval(
+                              cast(pg_catalog.time(
+                                cast(null as timestamp without time zone)) as time without time zone),
+                              cast(null as interval)) is NULL
+                          limit 129))))) as subq_3
+            inner join (select
+                  sample_3.classoid as c0,
+                  23 as c1,
+                  pg_catalog.current_user() as c2,
+                  cast(coalesce((select ordinal_position from information_schema.parameters limit 1 offset 5)
+        ,
+                    95) as integer) as c3
+                from
+                  pg_catalog.pg_description as sample_3 tablesample system (9.1)
+                where sample_3.description !~ sample_3.description
+                limit 46) as subq_4
+            on (subq_3.c5 = subq_4.c1 ),
+          lateral (select
+                pg_catalog.pg_last_xlog_receive_location() as c0,
+                sample_4.setrole as c1,
+                pg_catalog.pg_stat_get_buf_alloc() as c2
+              from
+                pg_catalog.pg_db_role_setting as sample_4 tablesample bernoulli (1.8)
+              where subq_3.c5 > (select character_maximum_length from information_schema.element_types limit 1 offset 16)
+              limit 120) as subq_5
+        where true
+        limit 87;
+DROP TABLE xl_join_t1;
+DROP TABLE xl_join_t2;
+DROP TABLE xl_join_t3;
 -- #102 Issue
 CREATE TABLE xl_join_t1 (val1 int, val2 int);
 CREATE TABLE xl_join_t2 (val1 int, val2 int);

diff --git a/src/test/regress/sql/xl_sqlsmith_bugs.sql b/src/test/regress/sql/xl_sqlsmith_bugs.sql
index 3c0019f4fd6d74334d36211bf77ba95736e5b9d3..1000fe059e79458a334907589617f60c3a385ad3 100644 (file)
--- a/src/test/regress/sql/xl_sqlsmith_bugs.sql
+++ b/src/test/regress/sql/xl_sqlsmith_bugs.sql
@@ -1,3 +1,114 @@
+-- #87
+-- SQLsmith error: cache lookup failed for function 0
+
+CREATE TABLE xl_join_t1 (val1 int, val2 int);
+CREATE TABLE xl_join_t2 (val1 int, val2 int);
+CREATE TABLE xl_join_t3 (val1 int, val2 int);
+INSERT INTO xl_join_t1 VALUES (1,10),(2,20);
+INSERT INTO xl_join_t2 VALUES (3,30),(4,40);
+INSERT INTO xl_join_t3 VALUES (5,50),(6,60);
+EXPLAIN SELECT * FROM xl_join_t1
+        INNER JOIN xl_join_t2 ON xl_join_t1.val1 = xl_join_t2.val2
+        INNER JOIN xl_join_t3 ON xl_join_t1.val1 = xl_join_t3.val1;
+SELECT * FROM xl_join_t1
+        INNER JOIN xl_join_t2 ON xl_join_t1.val1 = xl_join_t2.val2
+        INNER JOIN xl_join_t3 ON xl_join_t1.val1 = xl_join_t3.val1;
+
+select
+          55 as c0,
+          subq_3.c0 as c1,
+          subq_3.c1 as c2
+        from
+          (select
+                  subq_0.c4 as c0,
+                  subq_0.c3 as c1,
+                  subq_0.c1 as c2,
+                  pg_catalog.pg_backend_pid() as c3,
+                  39 as c4,
+                  50 as c5,
+                  (select conforencoding from pg_catalog.pg_conversion limit 1 offset 8)
+         as c6
+                from
+                  (select
+                        81 as c0,
+                        sample_1.val2 as c1,
+                        (select ordinal_position from information_schema.columns limit 1 offset 29)
+         as c2,
+                        sample_1.val1 as c3,
+                        sample_1.val2 as c4
+                      from
+                        public.xl_join_t3 as sample_1 tablesample system (5.5)
+                      where true) as subq_0,
+                  lateral (select
+                        75 as c0
+                      from
+                        information_schema.routines as ref_1,
+                        lateral (select
+                              32 as c0
+                            from
+                              pg_catalog.pg_database as sample_2 tablesample system (9.1)
+                            where ((select pid from pg_catalog.pg_stat_activity limit 1 offset 1)
+         > (select ordinal_position from information_schema.attributes limit 1 offset 36)
+        )
+                              and (subq_0.c0 <> subq_0.c1)
+                            limit 64) as subq_1
+                      where pg_catalog.pg_get_function_identity_arguments(
+                          cast(pg_catalog.pg_my_temp_schema() as oid)) is NULL) as subq_2
+                where ((select pid from pg_catalog.pg_stat_activity limit 1 offset 22)
+         <= 50)
+                  or ((72 <= subq_0.c2)
+                    and (((98 >= subq_0.c0)
+                        and (subq_2.c0 <> (select character_maximum_length from information_schema.element_types limit 1 offset 30)
+        ))
+                      and (EXISTS (
+                        select
+                            ref_2.collation_name as c0,
+                            ref_2.scope_schema as c1,
+                            47 as c2,
+                            pg_catalog.pgxc_pool_check() as c3,
+                            76 as c4,
+                            83 as c5,
+                            pg_catalog.current_user() as c6
+                          from
+                            information_schema.element_types as ref_2
+                          where pg_catalog.time_pl_interval(
+                              cast(pg_catalog.time(
+                                cast(null as timestamp without time zone)) as time without time zone),
+
+
+                              cast(null as interval)) is NULL
+                          limit 129))))) as subq_3
+            inner join (select
+                  sample_3.classoid as c0,
+                  23 as c1,
+                  pg_catalog.current_user() as c2,
+                  cast(coalesce((select ordinal_position from information_schema.parameters limit 1 offset 5)
+        ,
+
+                    95) as integer) as c3
+                from
+                  pg_catalog.pg_description as sample_3 tablesample system (9.1)
+                where sample_3.description !~ sample_3.description
+                limit 46) as subq_4
+            on (subq_3.c5 = subq_4.c1 ),
+          lateral (select
+                pg_catalog.pg_last_xlog_receive_location() as c0,
+                sample_4.setrole as c1,
+                pg_catalog.pg_stat_get_buf_alloc() as c2
+              from
+                pg_catalog.pg_db_role_setting as sample_4 tablesample bernoulli (1.8)
+              where subq_3.c5 > (select character_maximum_length from information_schema.element_types limit 1 offset 16)
+
+              limit 120) as subq_5
+        where true
+        limit 87;
+
+DROP TABLE xl_join_t1;
+DROP TABLE xl_join_t2;
+DROP TABLE xl_join_t3;
+
+
+
 -- #102 Issue
 CREATE TABLE xl_join_t1 (val1 int, val2 int);
 CREATE TABLE xl_join_t2 (val1 int, val2 int);