Add test case for SQLsmith Issue #102

diff --git a/src/test/regress/expected/xl_sqlsmith_bugs.out b/src/test/regress/expected/xl_sqlsmith_bugs.out
new file mode 100644 (file)
index 0000000..c346fc8
--- /dev/null
+++ b/src/test/regress/expected/xl_sqlsmith_bugs.out
@@ -0,0 +1,114 @@
+-- #102 Issue
+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
+  cast(coalesce(8,
+    (select pid from pg_catalog.pg_stat_activity limit 1 offset 29)
+) as integer) as c0,
+  33 as c1,
+  (select objsubid from pg_catalog.pg_seclabel limit 1 offset 34)
+ as c2,
+  (select ordinal_position from information_schema.parameters limit 1 offset 1)
+ as c3,
+  cast(coalesce(pg_catalog.pg_postmaster_start_time(),
+      pg_catalog.min(
+        cast(null as timestamp with time zone)) over (partition by subq_1.c1 order by subq_1.c1,subq_1.c5)) as timestamp with time zone) as c4,
+  (select character_maximum_length from information_schema.domains limit 1 offset 36)
+ as c5
+from
+  (select
+        (select character_maximum_length from information_schema.user_defined_types limit 1 offset 6)
+ as c0,
+        sample_7.conpfeqop as c1,
+        sample_6.amprocfamily as c2,
+          pg_catalog.string_agg(
+            cast(sample_7.consrc as text),
+            cast(sample_7.consrc as text)) over (partition by sample_6.amprocrighttype order by sample_6.amprocfamily,sample_6.amprocrighttype) as c3,
+        34 as c4,
+        pg_catalog.abs(
+          cast(cast(coalesce((select total_time from pg_catalog.pg_stat_user_functions limit 1 offset 6)
+,
+            null) as double precision) as double precision)) as c5
+      from
+        pg_catalog.pg_amop as ref_11
+            left join pg_catalog.pg_amproc as sample_6 tablesample system (7)
+            on (ref_11.amopmethod = sample_6.amprocfamily )
+          inner join pg_catalog.pg_constraint as sample_7 tablesample system (9.5)
+          on (ref_11.amopsortfamily = sample_7.connamespace ),
+        lateral (select
+              ref_11.amopmethod as c0
+            from
+              pg_catalog.pg_user_mapping as ref_12
+            where ((sample_7.confdeltype is NULL)
+                and (((select character_maximum_length from information_schema.element_types limit 1 offset 16)
+ >= 39)
+                  and (99 > (select objsubid from pg_catalog.pg_depend limit 1 offset 10)
+)))
+              or (59 <> 82)
+            limit 75) as subq_0
+      where EXISTS (
+        select
+            76 as c0,
+            ref_13.val2 as c1,
+            7 as c2,
+            pg_catalog.has_server_privilege(
+              cast(null as oid),
+              cast(pg_catalog.to_hex(
+                cast(null as bigint)) as text),
+              cast(null as text)) as c3,
+              pg_catalog.bit_out(
+              cast(null as bit)) as c4,
+              pg_catalog.int82ge(
+              cast(pg_catalog.pg_stat_get_db_conflict_snapshot(
+                cast(pg_catalog.pg_my_temp_schema() as oid)) as bigint),
+              cast(null as smallint)) as c5,
+              ref_13.val1 as c6
+          from
+              public.xl_join_t3 as ref_13
+          where (ref_13.val2 = pg_catalog.pg_stat_get_xact_tuples_inserted(
+                cast(pg_catalog.lo_import(
+                  cast((select name from pg_catalog.pg_cursors limit 1 offset 21)
+ as text)) as oid)))
+              or (25 > (select ordinal_position from information_schema.attributes limit 1 offset 17)
+))
+      limit 87) as subq_1
+where
+cast(coalesce((select node_port from pg_catalog.pgxc_node limit 1 offset 9)
+,
+    cast(coalesce(pg_catalog.pg_backend_pid(),
+      subq_1.c0) as integer)) as integer) is NULL;

diff --git a/src/test/regress/sql/xl_sqlsmith_bugs.sql b/src/test/regress/sql/xl_sqlsmith_bugs.sql
new file mode 100644 (file)
index 0000000..3c0019f
--- /dev/null
+++ b/src/test/regress/sql/xl_sqlsmith_bugs.sql
@@ -0,0 +1,97 @@
+-- #102 Issue
+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
+  cast(coalesce(8,
+    (select pid from pg_catalog.pg_stat_activity limit 1 offset 29)
+) as integer) as c0,
+  33 as c1,
+  (select objsubid from pg_catalog.pg_seclabel limit 1 offset 34)
+ as c2,
+  (select ordinal_position from information_schema.parameters limit 1 offset 1)
+ as c3,
+  cast(coalesce(pg_catalog.pg_postmaster_start_time(),
+      pg_catalog.min(
+        cast(null as timestamp with time zone)) over (partition by subq_1.c1 order by subq_1.c1,subq_1.c5)) as timestamp with time zone) as c4,
+  (select character_maximum_length from information_schema.domains limit 1 offset 36)
+ as c5
+from
+  (select
+        (select character_maximum_length from information_schema.user_defined_types limit 1 offset 6)
+ as c0,
+        sample_7.conpfeqop as c1,
+        sample_6.amprocfamily as c2,
+          pg_catalog.string_agg(
+            cast(sample_7.consrc as text),
+            cast(sample_7.consrc as text)) over (partition by sample_6.amprocrighttype order by sample_6.amprocfamily,sample_6.amprocrighttype) as c3,
+        34 as c4,
+        pg_catalog.abs(
+          cast(cast(coalesce((select total_time from pg_catalog.pg_stat_user_functions limit 1 offset 6)
+,
+            null) as double precision) as double precision)) as c5
+      from
+        pg_catalog.pg_amop as ref_11
+            left join pg_catalog.pg_amproc as sample_6 tablesample system (7)
+            on (ref_11.amopmethod = sample_6.amprocfamily )
+          inner join pg_catalog.pg_constraint as sample_7 tablesample system (9.5)
+          on (ref_11.amopsortfamily = sample_7.connamespace ),
+        lateral (select
+              ref_11.amopmethod as c0
+            from
+              pg_catalog.pg_user_mapping as ref_12
+            where ((sample_7.confdeltype is NULL)
+                and (((select character_maximum_length from information_schema.element_types limit 1 offset 16)
+ >= 39)
+                  and (99 > (select objsubid from pg_catalog.pg_depend limit 1 offset 10)
+)))
+              or (59 <> 82)
+            limit 75) as subq_0
+      where EXISTS (
+        select
+            76 as c0,
+            ref_13.val2 as c1,
+            7 as c2,
+            pg_catalog.has_server_privilege(
+              cast(null as oid),
+              cast(pg_catalog.to_hex(
+                cast(null as bigint)) as text),
+              cast(null as text)) as c3,
+              pg_catalog.bit_out(
+              cast(null as bit)) as c4,
+              pg_catalog.int82ge(
+              cast(pg_catalog.pg_stat_get_db_conflict_snapshot(
+                cast(pg_catalog.pg_my_temp_schema() as oid)) as bigint),
+              cast(null as smallint)) as c5,
+              ref_13.val1 as c6
+          from
+              public.xl_join_t3 as ref_13
+          where (ref_13.val2 = pg_catalog.pg_stat_get_xact_tuples_inserted(
+                cast(pg_catalog.lo_import(
+                  cast((select name from pg_catalog.pg_cursors limit 1 offset 21)
+ as text)) as oid)))
+              or (25 > (select ordinal_position from information_schema.attributes limit 1 offset 17)
+))
+      limit 87) as subq_1
+where
+cast(coalesce((select node_port from pg_catalog.pgxc_node limit 1 offset 9)
+,
+    cast(coalesce(pg_catalog.pg_backend_pid(),
+      subq_1.c0) as integer)) as integer) is NULL;
+
+
+DROP TABLE xl_join_t1;
+DROP TABLE xl_join_t2;
+DROP TABLE xl_join_t3;
+
+