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Add regression tests for REPLICA IDENTITY with dropped indexes

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REPLICA IDENTITY USING INDEX behaves the same way as NOTHING if the
associated index is dropped, even if there is a primary key that could
be used as a fallback for the changes generated.  There have never been
any tests to cover such scenarios, so this commit closes the gap.

Author: Michael Paquier
Reviewed-by: Masahiko Sawada, Rahila Syed, Euler Taveira
Discussion: https://postgr.es/m/20200522035028.GO2355@paquier.xyz
This commit is contained in:
Michael Paquier 2020-08-26 20:42:27 +09:00
parent 7e453634bb
commit fe7fd4e961
2 changed files with 101 additions and 1 deletions
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71
contrib/test_decoding/expected/ddl.out
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31
contrib/test_decoding/sql/ddl.sql
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@ -345,6 +345,37 @@ UPDATE table_with_unique_not_null SET id = -id;
UPDATE table_with_unique_not_null SET id = -id;
DELETE FROM table_with_unique_not_null WHERE data = 3;
-- check tables with dropped indexes used in REPLICA IDENTITY
-- table with primary key
CREATE TABLE table_dropped_index_with_pk (a int PRIMARY KEY, b int, c int);
CREATE UNIQUE INDEX table_dropped_index_with_pk_idx
ON table_dropped_index_with_pk(a);
ALTER TABLE table_dropped_index_with_pk REPLICA IDENTITY
USING INDEX table_dropped_index_with_pk_idx;
DROP INDEX table_dropped_index_with_pk_idx;
INSERT INTO table_dropped_index_with_pk VALUES (1,1,1), (2,2,2), (3,3,3);
UPDATE table_dropped_index_with_pk SET a = 4 WHERE a = 1;
UPDATE table_dropped_index_with_pk SET b = 5 WHERE a = 2;
UPDATE table_dropped_index_with_pk SET b = 6, c = 7 WHERE a = 3;
DELETE FROM table_dropped_index_with_pk WHERE b = 1;
DELETE FROM table_dropped_index_with_pk WHERE a = 3;
DROP TABLE table_dropped_index_with_pk;
-- table without primary key
CREATE TABLE table_dropped_index_no_pk (a int NOT NULL, b int, c int);
CREATE UNIQUE INDEX table_dropped_index_no_pk_idx
ON table_dropped_index_no_pk(a);
ALTER TABLE table_dropped_index_no_pk REPLICA IDENTITY
USING INDEX table_dropped_index_no_pk_idx;
DROP INDEX table_dropped_index_no_pk_idx;
INSERT INTO table_dropped_index_no_pk VALUES (1,1,1), (2,2,2), (3,3,3);
UPDATE table_dropped_index_no_pk SET a = 4 WHERE a = 1;
UPDATE table_dropped_index_no_pk SET b = 5 WHERE a = 2;
UPDATE table_dropped_index_no_pk SET b = 6, c = 7 WHERE a = 3;
DELETE FROM table_dropped_index_no_pk WHERE b = 1;
DELETE FROM table_dropped_index_no_pk WHERE a = 3;
DROP TABLE table_dropped_index_no_pk;
-- check toast support
BEGIN;
CREATE SEQUENCE toasttable_rand_seq START 79 INCREMENT 1499; -- portable "random"