mirror of
https://github.com/timescale/timescaledb.git
synced 2025-05-17 02:53:51 +08:00
26965826f4
This Fixes at least two bugs: 1) A drop of a referenced table used to drop the associated FK constraint but not the metadata associated with the constraint. Fixes #43. 2) A drop of a column removed any indexes associated with the column but not the metadata associated with the index.
401 lines
14 KiB
SQL
401 lines
14 KiB
SQL
CREATE TABLE hyper (
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time BIGINT NOT NULL,
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device_id TEXT NOT NULL,
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sensor_1 NUMERIC NULL DEFAULT 1 CHECK (sensor_1 > 10)
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);
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SELECT * FROM create_hypertable('hyper', 'time', chunk_time_interval => 10);
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--check and not-null constraints are inherited through regular inheritance.
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\set ON_ERROR_STOP 0
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INSERT INTO hyper(time, device_id,sensor_1) VALUES
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(1257987700000000000, 'dev2', 9);
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INSERT INTO hyper(time, device_id,sensor_1) VALUES
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(1257987700000000000, NULL, 11);
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ALTER TABLE hyper ALTER COLUMN time DROP NOT NULL;
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ALTER TABLE ONLY hyper ALTER COLUMN sensor_1 SET NOT NULL;
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ALTER TABLE ONLY hyper ALTER COLUMN device_id DROP NOT NULL;
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\set ON_ERROR_STOP 1
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INSERT INTO hyper(time, device_id,sensor_1) VALUES
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(1257987700000000000, 'dev2', 11);
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INSERT INTO hyper(time, device_id,sensor_1) VALUES
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(1257987700000000000, 'dev2', 11);
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ALTER TABLE hyper ALTER COLUMN device_id DROP NOT NULL;
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INSERT INTO hyper(time, device_id,sensor_1) VALUES
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(1257987700000000000, NULL, 11);
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----------------------- UNIQUE CONSTRAINTS ------------------
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CREATE TABLE hyper_unique_with_looooooooooooooooooooooooooooooooooooong_name (
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time BIGINT NOT NULL UNIQUE,
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device_id TEXT NOT NULL,
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sensor_1 NUMERIC NULL DEFAULT 1 CHECK (sensor_1 > 10)
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);
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SELECT * FROM create_hypertable('hyper_unique_with_looooooooooooooooooooooooooooooooooooong_name', 'time', chunk_time_interval => 10);
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INSERT INTO hyper_unique_with_looooooooooooooooooooooooooooooooooooong_name(time, device_id,sensor_1) VALUES
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(1257987700000000000, 'dev2', 11);
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INSERT INTO hyper_unique_with_looooooooooooooooooooooooooooooooooooong_name(time, device_id,sensor_1) VALUES
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(1257987800000000000, 'dev2', 11);
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\set ON_ERROR_STOP 0
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INSERT INTO hyper_unique_with_looooooooooooooooooooooooooooooooooooong_name(time, device_id,sensor_1) VALUES
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(1257987700000000000, 'dev2', 11);
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\set ON_ERROR_STOP 1
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-- Show constraints on main tables
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SELECT * FROM _timescaledb_catalog.chunk_constraint;
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SELECT * FROM _timescaledb_catalog.chunk_index;
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SELECT * FROM test.show_constraints('hyper');
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SELECT * FROM test.show_constraints('hyper_unique_with_looooooooooooooooooooooooooooooooooooong_name');
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--should have unique constraint not just unique index
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SELECT * FROM test.show_constraints('_timescaledb_internal._hyper_2_4_chunk');
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ALTER TABLE hyper_unique_with_looooooooooooooooooooooooooooooooooooong_name DROP CONSTRAINT hyper_unique_with_looooooooooooooooooooooooooooooooooo_time_key;
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-- The constraint should have been removed from the chunk as well
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SELECT * FROM _timescaledb_catalog.chunk_constraint;
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-- The index should also have been removed
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SELECT * FROM _timescaledb_catalog.chunk_index;
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SELECT * FROM test.show_constraints('_timescaledb_internal._hyper_2_4_chunk');
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--uniqueness not enforced
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INSERT INTO hyper_unique_with_looooooooooooooooooooooooooooooooooooong_name(time, device_id,sensor_1) VALUES
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(1257987700000000000, 'dev3', 11);
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--shouldn't be able to create constraint
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\set ON_ERROR_STOP 0
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ALTER TABLE hyper_unique_with_looooooooooooooooooooooooooooooooooooong_name ADD CONSTRAINT hyper_unique_time_key UNIQUE (time);
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\set ON_ERROR_STOP 1
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DELETE FROM hyper_unique_with_looooooooooooooooooooooooooooooooooooong_name WHERE device_id = 'dev3';
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-- Try multi-alter table statement with a constraint without a name
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ALTER TABLE hyper_unique_with_looooooooooooooooooooooooooooooooooooong_name
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ADD CHECK (time > 0),
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ADD UNIQUE (time);
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SELECT * FROM _timescaledb_catalog.chunk_constraint;
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SELECT * FROM test.show_constraints('hyper_unique_with_looooooooooooooooooooooooooooooooooooong_name');
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SELECT * FROM test.show_constraints('_timescaledb_internal._hyper_2_4_chunk');
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ALTER TABLE hyper_unique_with_looooooooooooooooooooooooooooooooooooong_name
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DROP CONSTRAINT hyper_unique_with_looooooooooooooooooooooooooooooooooo_time_key,
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DROP CONSTRAINT hyper_unique_with_looooooooooooooooooooooooooooooooo_time_check;
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SELECT * FROM _timescaledb_catalog.chunk_constraint;
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SELECT * FROM test.show_constraints('hyper_unique_with_looooooooooooooooooooooooooooooooooooong_name');
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SELECT * FROM test.show_constraints('_timescaledb_internal._hyper_2_4_chunk');
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CREATE UNIQUE INDEX hyper_unique_with_looooooooooooooooooooooooooooooooo_time_idx
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ON hyper_unique_with_looooooooooooooooooooooooooooooooooooong_name (time);
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\set ON_ERROR_STOP 0
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-- Try adding constraint using existing index
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ALTER TABLE hyper_unique_with_looooooooooooooooooooooooooooooooooooong_name
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ADD CONSTRAINT hyper_unique_with_looooooooooooooooooooooooooooooooooo_time_key UNIQUE
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USING INDEX hyper_unique_with_looooooooooooooooooooooooooooooooo_time_idx;
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\set ON_ERROR_STOP 1
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DROP INDEX hyper_unique_with_looooooooooooooooooooooooooooooooo_time_idx;
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--now can create
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ALTER TABLE hyper_unique_with_looooooooooooooooooooooooooooooooooooong_name
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ADD CONSTRAINT hyper_unique_with_looooooooooooooooooooooooooooooooooo_time_key UNIQUE (time);
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SELECT * FROM test.show_constraints('_timescaledb_internal._hyper_2_4_chunk');
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--test adding constraint with same name to different table -- should fail
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\set ON_ERROR_STOP 0
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ALTER TABLE hyper
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ADD CONSTRAINT hyper_unique_with_looooooooooooooooooooooooooooooooooo_time_key UNIQUE (time);
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\set ON_ERROR_STOP 1
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--uniquness violation fails
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\set ON_ERROR_STOP 0
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INSERT INTO hyper_unique_with_looooooooooooooooooooooooooooooooooooong_name(time, device_id,sensor_1)
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VALUES (1257987700000000000, 'dev2', 11);
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\set ON_ERROR_STOP 1
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--cannot create unique constraint on non-partition column
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\set ON_ERROR_STOP 0
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ALTER TABLE hyper_unique_with_looooooooooooooooooooooooooooooooooooong_name
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ADD CONSTRAINT hyper_unique_invalid UNIQUE (device_id);
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\set ON_ERROR_STOP 1
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----------------------- RENAME CONSTRAINT ------------------
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ALTER TABLE hyper_unique_with_looooooooooooooooooooooooooooooooooooong_name
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RENAME CONSTRAINT hyper_unique_with_looooooooooooooooooooooooooooooooooo_time_key TO new_name;
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ALTER TABLE hyper_unique_with_looooooooooooooooooooooooooooooooooooong_name *
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RENAME CONSTRAINT new_name TO new_name2;
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ALTER TABLE IF EXISTS hyper_unique_with_looooooooooooooooooooooooooooooooooooong_name
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RENAME CONSTRAINT hyper_unique_with_looooooooooooooooooooooooooooo_sensor_1_check TO check_2;
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SELECT * FROM test.show_constraints('hyper_unique_with_looooooooooooooooooooooooooooooooooooong_name');
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SELECT * FROM test.show_constraints('_timescaledb_internal._hyper_2_4_chunk');
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SELECT * FROM _timescaledb_catalog.chunk_constraint;
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\set ON_ERROR_STOP 0
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ALTER TABLE hyper_unique_with_looooooooooooooooooooooooooooooooooooong_name
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RENAME CONSTRAINT new_name TO new_name2;
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ALTER TABLE hyper_unique_with_looooooooooooooooooooooooooooooooooooong_name
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RENAME CONSTRAINT new_name2 TO check_2;
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ALTER TABLE ONLY hyper_unique_with_looooooooooooooooooooooooooooooooooooong_name
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RENAME CONSTRAINT new_name2 TO new_name;
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ALTER TABLE _timescaledb_internal._hyper_2_4_chunk
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RENAME CONSTRAINT "4_10_new_name2" TO new_name;
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\set ON_ERROR_STOP 1
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----------------------- PRIMARY KEY ------------------
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CREATE TABLE hyper_pk (
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time BIGINT NOT NULL PRIMARY KEY,
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device_id TEXT NOT NULL,
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sensor_1 NUMERIC NULL DEFAULT 1 CHECK (sensor_1 > 10)
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);
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SELECT * FROM create_hypertable('hyper_pk', 'time', chunk_time_interval => 10);
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INSERT INTO hyper_pk(time, device_id,sensor_1) VALUES
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(1257987700000000000, 'dev2', 11);
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\set ON_ERROR_STOP 0
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INSERT INTO hyper_pk(time, device_id,sensor_1) VALUES
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(1257987700000000000, 'dev2', 11);
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\set ON_ERROR_STOP 1
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--should have unique constraint not just unique index
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SELECT * FROM test.show_constraints('_timescaledb_internal._hyper_3_6_chunk');
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ALTER TABLE hyper_pk DROP CONSTRAINT hyper_pk_pkey;
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SELECT * FROM test.show_constraints('_timescaledb_internal._hyper_3_6_chunk');
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--uniqueness not enforced
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INSERT INTO hyper_pk(time, device_id,sensor_1) VALUES
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(1257987700000000000, 'dev3', 11);
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--shouldn't be able to create pk
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\set ON_ERROR_STOP 0
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ALTER TABLE hyper_pk ADD CONSTRAINT hyper_pk_pkey PRIMARY KEY (time);
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\set ON_ERROR_STOP 1
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DELETE FROM hyper_pk WHERE device_id = 'dev3';
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--cannot create pk constraint on non-partition column
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\set ON_ERROR_STOP 0
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ALTER TABLE hyper_pk ADD CONSTRAINT hyper_pk_invalid PRIMARY KEY (device_id);
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\set ON_ERROR_STOP 1
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--now can create
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ALTER TABLE hyper_pk ADD CONSTRAINT hyper_pk_pkey PRIMARY KEY (time);
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SELECT * FROM test.show_constraints('_timescaledb_internal._hyper_3_6_chunk');
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--test adding constraint with same name to different table -- should fail
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\set ON_ERROR_STOP 0
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ALTER TABLE hyper ADD CONSTRAINT hyper_pk_pkey UNIQUE (time);
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\set ON_ERROR_STOP 1
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--uniquness violation fails
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\set ON_ERROR_STOP 0
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INSERT INTO hyper_pk(time, device_id,sensor_1) VALUES
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(1257987700000000000, 'dev2', 11);
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\set ON_ERROR_STOP 1
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----------------------- FOREIGN KEY ------------------
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CREATE TABLE devices(
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device_id TEXT NOT NULL,
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PRIMARY KEY (device_id)
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);
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CREATE TABLE hyper_fk (
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time BIGINT NOT NULL PRIMARY KEY,
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device_id TEXT NOT NULL REFERENCES devices(device_id),
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sensor_1 NUMERIC NULL DEFAULT 1 CHECK (sensor_1 > 10)
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);
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SELECT * FROM create_hypertable('hyper_fk', 'time', chunk_time_interval => 10);
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--fail fk constraint
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\set ON_ERROR_STOP 0
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INSERT INTO hyper_fk(time, device_id,sensor_1) VALUES
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(1257987700000000000, 'dev2', 11);
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\set ON_ERROR_STOP 1
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INSERT INTO devices VALUES ('dev2');
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INSERT INTO hyper_fk(time, device_id,sensor_1) VALUES
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(1257987700000000000, 'dev2', 11);
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--delete should fail
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\set ON_ERROR_STOP 0
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DELETE FROM devices;
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\set ON_ERROR_STOP 1
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ALTER TABLE hyper_fk DROP CONSTRAINT hyper_fk_device_id_fkey;
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--should now be able to add non-fk rows
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INSERT INTO hyper_fk(time, device_id,sensor_1) VALUES
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(1257987700000000001, 'dev3', 11);
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--can't add fk because of dev3 row
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\set ON_ERROR_STOP 0
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ALTER TABLE hyper_fk ADD CONSTRAINT hyper_fk_device_id_fkey
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FOREIGN KEY (device_id) REFERENCES devices(device_id);
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\set ON_ERROR_STOP 1
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DELETE FROM hyper_fk WHERE device_id = 'dev3';
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ALTER TABLE hyper_fk ADD CONSTRAINT hyper_fk_device_id_fkey
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FOREIGN KEY (device_id) REFERENCES devices(device_id);
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\set ON_ERROR_STOP 0
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INSERT INTO hyper_fk(time, device_id,sensor_1) VALUES
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(1257987700000000002, 'dev3', 11);
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\set ON_ERROR_STOP 1
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SELECT * FROM test.show_constraints('_timescaledb_internal._hyper_4_8_chunk');
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SELECT * FROM _timescaledb_catalog.chunk_constraint;
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--test CASCADE drop behavior
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DROP TABLE devices CASCADE;
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SELECT * FROM test.show_constraints('_timescaledb_internal._hyper_4_8_chunk');
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SELECT * FROM _timescaledb_catalog.chunk_constraint;
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--the fk went away.
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INSERT INTO hyper_fk(time, device_id,sensor_1) VALUES
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(1257987700000000002, 'dev3', 11);
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CREATE TABLE devices(
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device_id TEXT NOT NULL,
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PRIMARY KEY (device_id)
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);
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INSERT INTO devices VALUES ('dev2'), ('dev3');
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ALTER TABLE hyper_fk ADD CONSTRAINT hyper_fk_device_id_fkey
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FOREIGN KEY (device_id) REFERENCES devices(device_id);
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\set ON_ERROR_STOP 0
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INSERT INTO hyper_fk(time, device_id,sensor_1) VALUES
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(1257987700000000003, 'dev4', 11);
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\set ON_ERROR_STOP 1
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--this tests that there are no extra chunk_constraints left on hyper_fk
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TRUNCATE hyper_fk;
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----------------------- FOREIGN KEY INTO A HYPERTABLE ------------------
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--FOREIGN KEY references into a hypertable are currently broken.
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--The referencing table will never find the corresponding row in the hypertable
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--since it will only search the parent. Thus any insert will result in an ERROR
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--TODO: block such foreign keys or fix. (Hard to block on create table so punting for now)
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CREATE TABLE hyper_for_ref (
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time BIGINT NOT NULL PRIMARY KEY,
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device_id TEXT NOT NULL,
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sensor_1 NUMERIC NULL DEFAULT 1 CHECK (sensor_1 > 10)
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);
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SELECT * FROM create_hypertable('hyper_for_ref', 'time', chunk_time_interval => 10);
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\set ON_ERROR_STOP 0
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CREATE TABLE referrer (
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time BIGINT NOT NULL REFERENCES hyper_for_ref(time)
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);
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\set ON_ERROR_STOP 1
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CREATE TABLE referrer2 (
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time BIGINT NOT NULL
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);
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\set ON_ERROR_STOP 0
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ALTER TABLE referrer2 ADD CONSTRAINT hyper_fk_device_id_fkey
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FOREIGN KEY (time) REFERENCES hyper_for_ref(time);
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\set ON_ERROR_STOP 1
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----------------------- EXCLUSION CONSTRAINT ------------------
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CREATE TABLE hyper_ex (
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time BIGINT,
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device_id TEXT NOT NULL REFERENCES devices(device_id),
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sensor_1 NUMERIC NULL DEFAULT 1 CHECK (sensor_1 > 10),
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canceled boolean DEFAULT false,
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EXCLUDE USING btree (
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time WITH =, device_id WITH =
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) WHERE (not canceled)
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);
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SELECT * FROM create_hypertable('hyper_ex', 'time', chunk_time_interval=>_timescaledb_internal.interval_to_usec('1 month'));
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INSERT INTO hyper_ex(time, device_id,sensor_1) VALUES
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(1257987700000000000, 'dev2', 11);
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\set ON_ERROR_STOP 0
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INSERT INTO hyper_ex(time, device_id,sensor_1) VALUES
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(1257987700000000000, 'dev2', 12);
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\set ON_ERROR_STOP 1
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ALTER TABLE hyper_ex DROP CONSTRAINT hyper_ex_time_device_id_excl;
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--can now add
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INSERT INTO hyper_ex(time, device_id,sensor_1) VALUES
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(1257987700000000000, 'dev2', 12);
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--cannot add because of conflicts
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\set ON_ERROR_STOP 0
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ALTER TABLE hyper_ex ADD CONSTRAINT hyper_ex_time_device_id_excl
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EXCLUDE USING btree (
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time WITH =, device_id WITH =
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) WHERE (not canceled)
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;
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\set ON_ERROR_STOP 1
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DELETE FROM hyper_ex WHERE sensor_1 = 12;
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ALTER TABLE hyper_ex ADD CONSTRAINT hyper_ex_time_device_id_excl
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EXCLUDE USING btree (
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time WITH =, device_id WITH =
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) WHERE (not canceled)
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;
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\set ON_ERROR_STOP 0
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INSERT INTO hyper_ex(time, device_id,sensor_1) VALUES
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(1257987700000000000, 'dev2', 12);
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\set ON_ERROR_STOP 1
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--cannot add exclusion constraint without partition key.
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CREATE TABLE hyper_ex_invalid (
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time BIGINT,
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device_id TEXT NOT NULL REFERENCES devices(device_id),
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sensor_1 NUMERIC NULL DEFAULT 1 CHECK (sensor_1 > 10),
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canceled boolean DEFAULT false,
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EXCLUDE USING btree (
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device_id WITH =
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) WHERE (not canceled)
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);
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\set ON_ERROR_STOP 0
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SELECT * FROM create_hypertable('hyper_ex_invalid', 'time', chunk_time_interval=>_timescaledb_internal.interval_to_usec('1 month'));
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\set ON_ERROR_STOP 1
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