Teach partitioning tests not to use DROP TABLE ... CASCADE.

This occasionally causes failures; the order in which the affected
objects are listed is not 100% consistent.

Amit Langote

Author: robertmhaas

src/test/regress/expected/alter_table.out

@@ -3330,15 +3330,10 @@ ALTER TABLE list_parted2 DROP COLUMN b;
 ERROR:  cannot drop column named in partition key
 ALTER TABLE list_parted2 ALTER COLUMN b TYPE text;
 ERROR:  cannot alter type of column named in partition key
--- cleanup
-DROP TABLE list_parted, list_parted2, range_parted CASCADE;
-NOTICE:  drop cascades to 6 other objects
-DETAIL:  drop cascades to table part1
-drop cascades to table part2
-drop cascades to table part_2
-drop cascades to table part_5
-drop cascades to table part_5_a
-drop cascades to table part_1
+-- cleanup: avoid using CASCADE
+DROP TABLE list_parted, part_1;
+DROP TABLE list_parted2, part_2, part_5, part_5_a;
+DROP TABLE range_parted, part1, part2;
 -- more tests for certain multi-level partitioning scenarios
 create table p (a int, b int) partition by range (a, b);
 create table p1 (b int, a int not null) partition by range (b);
@@ -3367,6 +3362,5 @@ insert into p1 (a, b) values (2, 3);
 -- check that partition validation scan correctly detects violating rows
 alter table p attach partition p1 for values from (1, 2) to (1, 10);
 ERROR:  partition constraint is violated by some row
--- cleanup
-drop table p, p1 cascade;
-NOTICE:  drop cascades to table p11
+-- cleanup: avoid using CASCADE
+drop table p, p1, p11;

src/test/regress/expected/create_table.out

@@ -651,30 +651,10 @@ Check constraints:
     "check_a" CHECK (length(a) > 0)
 Number of partitions: 3 (Use \d+ to list them.)
 
--- partitions cannot be dropped directly
-DROP TABLE part_a;
--- need to specify CASCADE to drop partitions along with the parent
-DROP TABLE parted;
-ERROR:  cannot drop table parted because other objects depend on it
-DETAIL:  table part_b depends on table parted
-table part_c depends on table parted
-table part_c_1_10 depends on table part_c
-HINT:  Use DROP ... CASCADE to drop the dependent objects too.
-DROP TABLE parted, list_parted, range_parted, list_parted2, range_parted2, range_parted3 CASCADE;
-NOTICE:  drop cascades to 16 other objects
-DETAIL:  drop cascades to table part00
-drop cascades to table part10
-drop cascades to table part11
-drop cascades to table part12
-drop cascades to table part0
-drop cascades to table part1
-drop cascades to table part2
-drop cascades to table part3
-drop cascades to table part_null_z
-drop cascades to table part_ab
-drop cascades to table part_1
-drop cascades to table part_2
-drop cascades to table part_null
-drop cascades to table part_b
-drop cascades to table part_c
-drop cascades to table part_c_1_10
+-- cleanup: avoid using CASCADE
+DROP TABLE parted, part_a, part_b, part_c, part_c_1_10;
+DROP TABLE list_parted, part_1, part_2, part_null;
+DROP TABLE range_parted;
+DROP TABLE list_parted2, part_ab, part_null_z;
+DROP TABLE range_parted2, part0, part1, part2, part3;
+DROP TABLE range_parted3, part00, part10, part11, part12;

src/test/regress/sql/alter_table.sql

@@ -2189,8 +2189,10 @@ ALTER TABLE part_2 INHERIT inh_test;
 ALTER TABLE list_parted2 DROP COLUMN b;
 ALTER TABLE list_parted2 ALTER COLUMN b TYPE text;
 
--- cleanup
-DROP TABLE list_parted, list_parted2, range_parted CASCADE;
+-- cleanup: avoid using CASCADE
+DROP TABLE list_parted, part_1;
+DROP TABLE list_parted2, part_2, part_5, part_5_a;
+DROP TABLE range_parted, part1, part2;
 
 -- more tests for certain multi-level partitioning scenarios
 create table p (a int, b int) partition by range (a, b);
@@ -2215,5 +2217,5 @@ insert into p1 (a, b) values (2, 3);
 -- check that partition validation scan correctly detects violating rows
 alter table p attach partition p1 for values from (1, 2) to (1, 10);
 
--- cleanup
-drop table p, p1 cascade;
+-- cleanup: avoid using CASCADE
+drop table p, p1, p11;

src/test/regress/sql/create_table.sql

@@ -585,10 +585,10 @@ CREATE TABLE part_c_1_10 PARTITION OF part_c FOR VALUES FROM (1) TO (10);
 -- returned.
 \d parted
 
--- partitions cannot be dropped directly
-DROP TABLE part_a;
-
--- need to specify CASCADE to drop partitions along with the parent
-DROP TABLE parted;
-
-DROP TABLE parted, list_parted, range_parted, list_parted2, range_parted2, range_parted3 CASCADE;
+-- cleanup: avoid using CASCADE
+DROP TABLE parted, part_a, part_b, part_c, part_c_1_10;
+DROP TABLE list_parted, part_1, part_2, part_null;
+DROP TABLE range_parted;
+DROP TABLE list_parted2, part_ab, part_null_z;
+DROP TABLE range_parted2, part0, part1, part2, part3;
+DROP TABLE range_parted3, part00, part10, part11, part12;