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Commit 1817d26

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ildusildus
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Add more tests on dropped columns (issue #174)
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‎expected/pathman_dropped_cols.out

Lines changed: 126 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -80,5 +80,131 @@ select pg_get_constraintdef(oid, true) from pg_constraint where conname = 'pathm
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drop table test_hash cascade;
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NOTICE: drop cascades to 3 other objects
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-- Yury Smirnov case
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CREATE TABLE root_dict (
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id BIGSERIAL PRIMARY KEY NOT NULL,
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root_id BIGINT NOT NULL,
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start_date DATE,
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num TEXT,
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main TEXT,
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dict_code TEXT,
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dict_name TEXT,
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edit_num TEXT,
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edit_date DATE,
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sign CHAR(4)
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);
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CREATE INDEX "root_dict_root_id_idx" ON "root_dict" ("root_id");
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DO
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$$
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DECLARE
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r RECORD;
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BEGIN
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FOR r IN SELECT * FROM generate_series(1, 3) r
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LOOP
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FOR d IN 1..2 LOOP
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INSERT INTO root_dict (root_id, start_date, num, main, dict_code, dict_name, edit_num, edit_date, sign) VALUES
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(r.r, now(), 'num_' || d, (d % 2) + 1, 'code_' || d, 'name_' || d, NULL, NULL, '2014');
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END LOOP;
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END LOOP;
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END
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$$;
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ALTER TABLE root_dict ADD COLUMN dict_id BIGINT DEFAULT 3;
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ALTER TABLE root_dict DROP COLUMN dict_code,
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DROP COLUMN dict_name,
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DROP COLUMN sign;
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CREATE EXTENSION pg_pathman;
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ERROR: extension "pg_pathman" already exists
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SELECT create_hash_partitions('root_dict' :: REGCLASS,
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'root_id',
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3,
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true);
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create_hash_partitions
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------------------------
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3
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(1 row)
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VACUUM FULL ANALYZE "root_dict";
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SELECT set_enable_parent('root_dict' :: REGCLASS, FALSE);
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set_enable_parent
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-------------------
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(1 row)
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PREPARE getbyroot AS
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SELECT
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id, root_id, start_date, num, main, edit_num, edit_date, dict_id
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FROM root_dict
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WHERE root_id = $1;
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EXECUTE getbyroot(2);
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id | root_id | start_date | num | main | edit_num | edit_date | dict_id
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----+---------+------------+-------+------+----------+-----------+---------
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3 | 2 | 09-12-2018 | num_1 | 2 | | | 3
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4 | 2 | 09-12-2018 | num_2 | 1 | | | 3
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(2 rows)
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EXECUTE getbyroot(2);
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id | root_id | start_date | num | main | edit_num | edit_date | dict_id
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----+---------+------------+-------+------+----------+-----------+---------
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3 | 2 | 09-12-2018 | num_1 | 2 | | | 3
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4 | 2 | 09-12-2018 | num_2 | 1 | | | 3
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(2 rows)
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EXECUTE getbyroot(2);
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id | root_id | start_date | num | main | edit_num | edit_date | dict_id
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----+---------+------------+-------+------+----------+-----------+---------
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3 | 2 | 09-12-2018 | num_1 | 2 | | | 3
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4 | 2 | 09-12-2018 | num_2 | 1 | | | 3
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(2 rows)
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EXECUTE getbyroot(2);
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id | root_id | start_date | num | main | edit_num | edit_date | dict_id
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----+---------+------------+-------+------+----------+-----------+---------
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3 | 2 | 09-12-2018 | num_1 | 2 | | | 3
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4 | 2 | 09-12-2018 | num_2 | 1 | | | 3
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(2 rows)
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EXECUTE getbyroot(2);
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id | root_id | start_date | num | main | edit_num | edit_date | dict_id
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----+---------+------------+-------+------+----------+-----------+---------
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3 | 2 | 09-12-2018 | num_1 | 2 | | | 3
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4 | 2 | 09-12-2018 | num_2 | 1 | | | 3
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(2 rows)
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-- errors usually start here
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EXECUTE getbyroot(2);
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id | root_id | start_date | num | main | edit_num | edit_date | dict_id
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----+---------+------------+-------+------+----------+-----------+---------
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3 | 2 | 09-12-2018 | num_1 | 2 | | | 3
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4 | 2 | 09-12-2018 | num_2 | 1 | | | 3
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(2 rows)
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EXECUTE getbyroot(2);
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id | root_id | start_date | num | main | edit_num | edit_date | dict_id
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----+---------+------------+-------+------+----------+-----------+---------
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3 | 2 | 09-12-2018 | num_1 | 2 | | | 3
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4 | 2 | 09-12-2018 | num_2 | 1 | | | 3
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(2 rows)
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EXPLAIN EXECUTE getbyroot(2);
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QUERY PLAN
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--------------------------------------------------------------------------------------------
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Custom Scan (RuntimeAppend) (cost=4.17..11.28 rows=3 width=128)
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Prune by: (root_dict.root_id = $1)
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-> Bitmap Heap Scan on root_dict_0 root_dict (cost=4.17..11.28 rows=3 width=128)
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Recheck Cond: (root_id = $1)
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-> Bitmap Index Scan on root_dict_0_root_id_idx (cost=0.00..4.17 rows=3 width=0)
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Index Cond: (root_id = $1)
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-> Bitmap Heap Scan on root_dict_1 root_dict (cost=4.17..11.28 rows=3 width=128)
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Recheck Cond: (root_id = $1)
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-> Bitmap Index Scan on root_dict_1_root_id_idx (cost=0.00..4.17 rows=3 width=0)
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Index Cond: (root_id = $1)
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-> Bitmap Heap Scan on root_dict_2 root_dict (cost=4.17..11.28 rows=3 width=128)
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Recheck Cond: (root_id = $1)
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-> Bitmap Index Scan on root_dict_2_root_id_idx (cost=0.00..4.17 rows=3 width=0)
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Index Cond: (root_id = $1)
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(14 rows)
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DROP TABLE root_dict CASCADE;
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NOTICE: drop cascades to 3 other objects
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DROP SCHEMA dropped_cols CASCADE;
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DROP EXTENSION pg_pathman;

‎sql/pathman_dropped_cols.sql

Lines changed: 61 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -38,6 +38,67 @@ select pg_get_constraintdef(oid, true) from pg_constraint where conname = 'pathm
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select pg_get_constraintdef(oid, true) from pg_constraint where conname = 'pathman_test_dummy_check';
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drop table test_hash cascade;
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-- Yury Smirnov case
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CREATE TABLE root_dict (
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id BIGSERIAL PRIMARY KEY NOT NULL,
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root_id BIGINT NOT NULL,
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start_date DATE,
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num TEXT,
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main TEXT,
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dict_code TEXT,
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dict_name TEXT,
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edit_num TEXT,
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edit_date DATE,
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sign CHAR(4)
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);
4154

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CREATE INDEX "root_dict_root_id_idx" ON "root_dict" ("root_id");
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DO
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$$
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DECLARE
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r RECORD;
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BEGIN
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FOR r IN SELECT * FROM generate_series(1, 3) r
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LOOP
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FOR d IN 1..2 LOOP
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INSERT INTO root_dict (root_id, start_date, num, main, dict_code, dict_name, edit_num, edit_date, sign) VALUES
66+
(r.r, now(), 'num_' || d, (d % 2) + 1, 'code_' || d, 'name_' || d, NULL, NULL, '2014');
67+
END LOOP;
68+
END LOOP;
69+
END
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$$;
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72+
ALTER TABLE root_dict ADD COLUMN dict_id BIGINT DEFAULT 3;
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ALTER TABLE root_dict DROP COLUMN dict_code,
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DROP COLUMN dict_name,
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DROP COLUMN sign;
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CREATE EXTENSION pg_pathman;
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SELECT create_hash_partitions('root_dict' :: REGCLASS,
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'root_id',
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3,
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true);
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VACUUM FULL ANALYZE "root_dict";
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SELECT set_enable_parent('root_dict' :: REGCLASS, FALSE);
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PREPARE getbyroot AS
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SELECT
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id, root_id, start_date, num, main, edit_num, edit_date, dict_id
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FROM root_dict
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WHERE root_id = $1;
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EXECUTE getbyroot(2);
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EXECUTE getbyroot(2);
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EXECUTE getbyroot(2);
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EXECUTE getbyroot(2);
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EXECUTE getbyroot(2);
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-- errors usually start here
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EXECUTE getbyroot(2);
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EXECUTE getbyroot(2);
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EXPLAIN EXECUTE getbyroot(2);
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DROP TABLE root_dict CASCADE;
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DROP SCHEMA dropped_cols CASCADE;
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DROP EXTENSION pg_pathman;

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