-- for the different opclasses we build later).
INSERT INTO brin_parallel_test
SELECT (CASE WHEN (mod(i,231) = 0) OR (i BETWEEN 3500 AND 4000) THEN NULL ELSE i END),
- (CASE WHEN (mod(i,233) = 0) OR (i BETWEEN 3750 AND 4250) THEN NULL ELSE md5(i::text) END),
+ (CASE WHEN (mod(i,233) = 0) OR (i BETWEEN 3750 AND 4250) THEN NULL ELSE encode(sha256(i::text::bytea), 'hex') END),
(CASE WHEN (mod(i,233) = 0) OR (i BETWEEN 3850 AND 4500) THEN NULL ELSE (i/100) + mod(i,8) END)
FROM generate_series(1,5000) S(i);
-- Build an index with different opclasses - minmax, bloom and minmax-multi.
ORDER BY relname;
relname | relpages
------------------------+----------
- brin_test_parallel_idx | 3
- brin_test_serial_idx | 3
+ brin_test_parallel_idx | 4
+ brin_test_serial_idx | 4
(2 rows)
-- Check that (A except B) and (B except A) is empty, which means the indexes
ORDER BY relname;
relname | relpages
------------------------+----------
- brin_test_parallel_idx | 3
- brin_test_serial_idx | 3
+ brin_test_parallel_idx | 4
+ brin_test_serial_idx | 4
(2 rows)
SELECT * FROM brin_page_items(get_raw_page('brin_test_parallel_idx', 2), 'brin_test_parallel_idx')
-- for the different opclasses we build later).
INSERT INTO brin_parallel_test
SELECT (CASE WHEN (mod(i,231) = 0) OR (i BETWEEN 3500 AND 4000) THEN NULL ELSE i END),
- (CASE WHEN (mod(i,233) = 0) OR (i BETWEEN 3750 AND 4250) THEN NULL ELSE md5(i::text) END),
+ (CASE WHEN (mod(i,233) = 0) OR (i BETWEEN 3750 AND 4250) THEN NULL ELSE encode(sha256(i::text::bytea), 'hex') END),
(CASE WHEN (mod(i,233) = 0) OR (i BETWEEN 3850 AND 4500) THEN NULL ELSE (i/100) + mod(i,8) END)
FROM generate_series(1,5000) S(i);