mirror of
https://github.com/timescale/timescaledb.git
synced 2025-05-16 18:43:18 +08:00
65b5dc900f
This change allows to create new dimensions even with existing chunks. It does not modify any existing data or do migration, instead it creates full-range (-inf/inf) dimension slice for existing chunks in order to be compatible with newly created dimension. All new chunks created after this will follow logic of the new dimension and its partitioning. Fix: #2818
428 lines
18 KiB
PL/PgSQL
428 lines
18 KiB
PL/PgSQL
-- This file and its contents are licensed under the Apache License 2.0.
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-- Please see the included NOTICE for copyright information and
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-- LICENSE-APACHE for a copy of the license.
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\c :TEST_DBNAME :ROLE_SUPERUSER
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create schema test_schema AUTHORIZATION :ROLE_DEFAULT_PERM_USER;
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create schema chunk_schema AUTHORIZATION :ROLE_DEFAULT_PERM_USER_2;
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SET ROLE :ROLE_DEFAULT_PERM_USER;
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create table test_schema.test_table(time BIGINT, temp float8, device_id text, device_type text, location text, id int, id2 int);
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\set ON_ERROR_STOP 0
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-- get_create_command should fail since hypertable isn't made yet
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SELECT * FROM _timescaledb_internal.get_create_command('test_table');
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\set ON_ERROR_STOP 1
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\dt "test_schema".*
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create table test_schema.test_table_no_not_null(time BIGINT, device_id text);
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\set ON_ERROR_STOP 0
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-- Permission denied with unprivileged role
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SET ROLE :ROLE_DEFAULT_PERM_USER_2;
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select * from create_hypertable('test_schema.test_table_no_not_null', 'time', 'device_id', 2, chunk_time_interval=>_timescaledb_internal.interval_to_usec('1 month'));
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-- CREATE on schema is not enough
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SET ROLE :ROLE_DEFAULT_PERM_USER;
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GRANT ALL ON SCHEMA test_schema TO :ROLE_DEFAULT_PERM_USER_2;
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SET ROLE :ROLE_DEFAULT_PERM_USER_2;
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select * from create_hypertable('test_schema.test_table_no_not_null', 'time', 'device_id', 2, chunk_time_interval=>_timescaledb_internal.interval_to_usec('1 month'));
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\set ON_ERROR_STOP 1
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-- Should work with when granted table owner role
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RESET ROLE;
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GRANT :ROLE_DEFAULT_PERM_USER TO :ROLE_DEFAULT_PERM_USER_2;
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SET ROLE :ROLE_DEFAULT_PERM_USER_2;
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select * from create_hypertable('test_schema.test_table_no_not_null', 'time', 'device_id', 2, chunk_time_interval=>_timescaledb_internal.interval_to_usec('1 month'));
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\set ON_ERROR_STOP 0
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insert into test_schema.test_table_no_not_null (device_id) VALUES('foo');
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\set ON_ERROR_STOP 1
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insert into test_schema.test_table_no_not_null (time, device_id) VALUES(1, 'foo');
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RESET ROLE;
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SET ROLE :ROLE_DEFAULT_PERM_USER;
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\set ON_ERROR_STOP 0
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-- No permissions on associated schema should fail
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select * from create_hypertable('test_schema.test_table', 'time', 'device_id', 2, chunk_time_interval=>_timescaledb_internal.interval_to_usec('1 month'), associated_schema_name => 'chunk_schema');
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\set ON_ERROR_STOP 1
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-- Granting permissions on chunk_schema should make things work
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RESET ROLE;
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GRANT CREATE ON SCHEMA chunk_schema TO :ROLE_DEFAULT_PERM_USER;
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SET ROLE :ROLE_DEFAULT_PERM_USER;
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select * from create_hypertable('test_schema.test_table', 'time', 'device_id', 2, chunk_time_interval=>_timescaledb_internal.interval_to_usec('1 month'), associated_schema_name => 'chunk_schema');
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-- Check that the insert block trigger exists
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SELECT * FROM test.show_triggers('test_schema.test_table');
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SELECT * FROM _timescaledb_internal.get_create_command('test_table');
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--test adding one more closed dimension
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select add_dimension('test_schema.test_table', 'location', 4);
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select * from _timescaledb_catalog.hypertable where table_name = 'test_table';
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select * from _timescaledb_catalog.dimension;
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--test that we can change the number of partitions and that 1 is allowed
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SELECT set_number_partitions('test_schema.test_table', 1, 'location');
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select * from _timescaledb_catalog.dimension WHERE column_name = 'location';
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SELECT set_number_partitions('test_schema.test_table', 2, 'location');
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select * from _timescaledb_catalog.dimension WHERE column_name = 'location';
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\set ON_ERROR_STOP 0
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--must give an explicit dimension when there are multiple space dimensions
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SELECT set_number_partitions('test_schema.test_table', 3);
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--too few
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SELECT set_number_partitions('test_schema.test_table', 0, 'location');
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-- Too many
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SELECT set_number_partitions('test_schema.test_table', 32768, 'location');
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-- get_create_command only works on tables w/ 1 or 2 dimensions
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SELECT * FROM _timescaledb_internal.get_create_command('test_table');
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\set ON_ERROR_STOP 1
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--test adding one more open dimension
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select add_dimension('test_schema.test_table', 'id', chunk_time_interval => 1000);
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select * from _timescaledb_catalog.hypertable where table_name = 'test_table';
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select * from _timescaledb_catalog.dimension;
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-- Test add_dimension: can use interval types for TIMESTAMPTZ columns
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CREATE TABLE dim_test_time(time TIMESTAMPTZ, time2 TIMESTAMPTZ, time3 BIGINT, temp float8, device int, location int);
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SELECT create_hypertable('dim_test_time', 'time');
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SELECT add_dimension('dim_test_time', 'time2', chunk_time_interval => INTERVAL '1 day');
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-- Test add_dimension: only integral should work on BIGINT columns
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\set ON_ERROR_STOP 0
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SELECT add_dimension('dim_test_time', 'time3', chunk_time_interval => INTERVAL '1 day');
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-- string is not a valid type
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SELECT add_dimension('dim_test_time', 'time3', chunk_time_interval => 'foo'::TEXT);
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\set ON_ERROR_STOP 1
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SELECT add_dimension('dim_test_time', 'time3', chunk_time_interval => 500);
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-- Test add_dimension: integrals should work on TIMESTAMPTZ columns
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CREATE TABLE dim_test_time2(time TIMESTAMPTZ, time2 TIMESTAMPTZ, temp float8, device int, location int);
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SELECT create_hypertable('dim_test_time2', 'time');
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SELECT add_dimension('dim_test_time2', 'time2', chunk_time_interval => 500);
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--adding a dimension twice should not fail with 'if_not_exists'
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SELECT add_dimension('dim_test_time2', 'time2', chunk_time_interval => 500, if_not_exists => true);
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\set ON_ERROR_STOP 0
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--adding on a non-hypertable
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CREATE TABLE not_hypertable(time TIMESTAMPTZ, temp float8, device int, location int);
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SELECT add_dimension('not_hypertable', 'time', chunk_time_interval => 500);
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--adding a non-exist column
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SELECT add_dimension('test_schema.test_table', 'nope', 2);
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--adding the same dimension twice should fail
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select add_dimension('test_schema.test_table', 'location', 2);
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--adding dimension with both number_partitions and chunk_time_interval should fail
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select add_dimension('test_schema.test_table', 'id2', number_partitions => 2, chunk_time_interval => 1000);
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\set ON_ERROR_STOP 1
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-- test adding a new dimension on a non-empty table
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CREATE TABLE dim_test(time TIMESTAMPTZ, device int);
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SELECT create_hypertable('dim_test', 'time', chunk_time_interval => INTERVAL '1 day');
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CREATE VIEW dim_test_slices AS
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SELECT c.id AS chunk_id, c.hypertable_id, ds.dimension_id, cc.dimension_slice_id, c.schema_name AS chunk_schema, c.table_name AS chunk_table, ds.range_start, ds.range_end
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FROM _timescaledb_catalog.chunk c
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INNER JOIN _timescaledb_catalog.hypertable h ON (c.hypertable_id = h.id)
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INNER JOIN _timescaledb_catalog.dimension td ON (h.id = td.hypertable_id)
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INNER JOIN _timescaledb_catalog.dimension_slice ds ON (ds.dimension_id = td.id)
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INNER JOIN _timescaledb_catalog.chunk_constraint cc ON (cc.dimension_slice_id = ds.id AND cc.chunk_id = c.id)
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WHERE h.table_name = 'dim_test'
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ORDER BY c.id, ds.dimension_id;
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INSERT INTO dim_test VALUES ('2004-10-10 00:00:00+00', 1);
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INSERT INTO dim_test VALUES ('2004-10-20 00:00:00+00', 2);
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SELECT * FROM dim_test_slices;
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SELECT * FROM test.show_constraints('_timescaledb_internal._hyper_5_2_chunk');
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SELECT * FROM test.show_constraints('_timescaledb_internal._hyper_5_3_chunk');
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-- add dimension to the existing chunks by adding -inf/inf dimension slices
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SELECT add_dimension('dim_test', 'device', 2);
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SELECT * FROM test.show_constraints('_timescaledb_internal._hyper_5_2_chunk');
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SELECT * FROM test.show_constraints('_timescaledb_internal._hyper_5_3_chunk');
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SELECT * FROM dim_test_slices;
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-- newer chunks have proper dimension slices range
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INSERT INTO dim_test VALUES ('2004-10-30 00:00:00+00', 3);
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SELECT * FROM dim_test_slices;
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SELECT * FROM dim_test ORDER BY time;
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DROP VIEW dim_test_slices;
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DROP TABLE dim_test;
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-- test add_dimension() with existing data on table with space partitioning
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CREATE TABLE dim_test(time TIMESTAMPTZ, device int, data int);
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SELECT create_hypertable('dim_test', 'time', 'device', 2, chunk_time_interval => INTERVAL '1 day');
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CREATE VIEW dim_test_slices AS
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SELECT c.id AS chunk_id, c.hypertable_id, ds.dimension_id, cc.dimension_slice_id, c.schema_name AS chunk_schema, c.table_name AS chunk_table, ds.range_start, ds.range_end
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FROM _timescaledb_catalog.chunk c
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INNER JOIN _timescaledb_catalog.hypertable h ON (c.hypertable_id = h.id)
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INNER JOIN _timescaledb_catalog.dimension td ON (h.id = td.hypertable_id)
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INNER JOIN _timescaledb_catalog.dimension_slice ds ON (ds.dimension_id = td.id)
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INNER JOIN _timescaledb_catalog.chunk_constraint cc ON (cc.dimension_slice_id = ds.id AND cc.chunk_id = c.id)
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WHERE h.table_name = 'dim_test'
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ORDER BY c.id, ds.dimension_id;
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INSERT INTO dim_test VALUES ('2004-10-10 00:00:00+00', 1, 3);
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INSERT INTO dim_test VALUES ('2004-10-20 00:00:00+00', 2, 2);
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SELECT * FROM dim_test_slices;
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-- new dimension slice will cover full range on existing chunks
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SELECT add_dimension('dim_test', 'data', 1);
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SELECT * FROM dim_test_slices;
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INSERT INTO dim_test VALUES ('2004-10-30 00:00:00+00', 3, 1);
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SELECT * FROM dim_test_slices;
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SELECT * FROM dim_test ORDER BY time;
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DROP VIEW dim_test_slices;
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DROP TABLE dim_test;
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-- should not fail on non-empty table with 'if_not_exists' in case the dimension exists
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select add_dimension('test_schema.test_table', 'location', 2, if_not_exists => true);
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--test partitioning in only time dimension
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create table test_schema.test_1dim(time timestamp, temp float);
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select create_hypertable('test_schema.test_1dim', 'time');
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SELECT * FROM _timescaledb_internal.get_create_command('test_1dim');
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\dt "test_schema".*
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select create_hypertable('test_schema.test_1dim', 'time', if_not_exists => true);
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-- Should error when creating again without if_not_exists set to true
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\set ON_ERROR_STOP 0
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select create_hypertable('test_schema.test_1dim', 'time');
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\set ON_ERROR_STOP 1
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-- if_not_exist should also work with data in the hypertable
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insert into test_schema.test_1dim VALUES ('2004-10-19 10:23:54+02', 1.0);
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select create_hypertable('test_schema.test_1dim', 'time', if_not_exists => true);
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-- Should error when creating again without if_not_exists set to true
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\set ON_ERROR_STOP 0
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select create_hypertable('test_schema.test_1dim', 'time');
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\set ON_ERROR_STOP 1
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-- Test partitioning functions
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CREATE OR REPLACE FUNCTION invalid_partfunc(source integer)
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RETURNS INTEGER LANGUAGE PLPGSQL IMMUTABLE AS
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$BODY$
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BEGIN
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RETURN NULL;
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END
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$BODY$;
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CREATE OR REPLACE FUNCTION time_partfunc(source text)
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RETURNS TIMESTAMPTZ LANGUAGE PLPGSQL IMMUTABLE AS
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$BODY$
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BEGIN
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RETURN timezone('UTC', to_timestamp(source));
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END
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$BODY$;
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CREATE TABLE test_schema.test_invalid_func(time timestamptz, temp float8, device text);
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\set ON_ERROR_STOP 0
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-- should fail due to invalid signature
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SELECT create_hypertable('test_schema.test_invalid_func', 'time', 'device', 2, partitioning_func => 'invalid_partfunc');
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SELECT create_hypertable('test_schema.test_invalid_func', 'time');
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-- should also fail due to invalid signature
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SELECT add_dimension('test_schema.test_invalid_func', 'device', 2, partitioning_func => 'invalid_partfunc');
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\set ON_ERROR_STOP 1
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-- Test open-dimension function
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CREATE TABLE test_schema.open_dim_part_func(time text, temp float8, device text, event_time text);
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\set ON_ERROR_STOP 0
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-- should fail due to invalid signature
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SELECT create_hypertable('test_schema.open_dim_part_func', 'time', time_partitioning_func => 'invalid_partfunc');
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\set ON_ERROR_STOP 1
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SELECT create_hypertable('test_schema.open_dim_part_func', 'time', time_partitioning_func => 'time_partfunc');
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\set ON_ERROR_STOP 0
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-- should fail due to invalid signature
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SELECT add_dimension('test_schema.open_dim_part_func', 'event_time', chunk_time_interval => interval '1 day', partitioning_func => 'invalid_partfunc');
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\set ON_ERROR_STOP 1
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SELECT add_dimension('test_schema.open_dim_part_func', 'event_time', chunk_time_interval => interval '1 day', partitioning_func => 'time_partfunc');
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--test data migration
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create table test_schema.test_migrate(time timestamp, temp float);
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insert into test_schema.test_migrate VALUES ('2004-10-19 10:23:54+02', 1.0), ('2004-12-19 10:23:54+02', 2.0);
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select * from only test_schema.test_migrate;
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\set ON_ERROR_STOP 0
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--should fail without migrate_data => true
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select create_hypertable('test_schema.test_migrate', 'time');
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\set ON_ERROR_STOP 1
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select create_hypertable('test_schema.test_migrate', 'time', migrate_data => true);
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--there should be two new chunks
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select * from _timescaledb_catalog.hypertable where table_name = 'test_migrate';
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select * from _timescaledb_catalog.chunk;
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select * from test_schema.test_migrate;
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--main table should now be empty
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select * from only test_schema.test_migrate;
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select * from only _timescaledb_internal._hyper_10_9_chunk;
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select * from only _timescaledb_internal._hyper_10_10_chunk;
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create table test_schema.test_migrate_empty(time timestamp, temp float);
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select create_hypertable('test_schema.test_migrate_empty', 'time', migrate_data => true);
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CREATE TYPE test_type AS (time timestamp, temp float);
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CREATE TABLE test_table_of_type OF test_type;
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SELECT create_hypertable('test_table_of_type', 'time');
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INSERT INTO test_table_of_type VALUES ('2004-10-19 10:23:54+02', 1.0), ('2004-12-19 10:23:54+02', 2.0);
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\set ON_ERROR_STOP 0
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DROP TYPE test_type;
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\set ON_ERROR_STOP 1
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DROP TYPE test_type CASCADE;
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CREATE TABLE test_table_of_type (time timestamp, temp float);
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SELECT create_hypertable('test_table_of_type', 'time');
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INSERT INTO test_table_of_type VALUES ('2004-10-19 10:23:54+02', 1.0), ('2004-12-19 10:23:54+02', 2.0);
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CREATE TYPE test_type AS (time timestamp, temp float);
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ALTER TABLE test_table_of_type OF test_type;
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\set ON_ERROR_STOP 0
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DROP TYPE test_type;
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\set ON_ERROR_STOP 1
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BEGIN;
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DROP TYPE test_type CASCADE;
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ROLLBACK;
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ALTER TABLE test_table_of_type NOT OF;
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DROP TYPE test_type;
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-- Reset GRANTS
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\c :TEST_DBNAME :ROLE_SUPERUSER
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REVOKE :ROLE_DEFAULT_PERM_USER FROM :ROLE_DEFAULT_PERM_USER_2;
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-- Test custom partitioning functions
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CREATE OR REPLACE FUNCTION partfunc_not_immutable(source anyelement)
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RETURNS INTEGER LANGUAGE PLPGSQL AS
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$BODY$
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BEGIN
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RETURN _timescaledb_internal.get_partition_hash(source);
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END
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$BODY$;
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CREATE OR REPLACE FUNCTION partfunc_bad_return_type(source anyelement)
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RETURNS BIGINT LANGUAGE PLPGSQL IMMUTABLE AS
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$BODY$
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BEGIN
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RETURN _timescaledb_internal.get_partition_hash(source);
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END
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$BODY$;
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CREATE OR REPLACE FUNCTION partfunc_bad_arg_type(source text)
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RETURNS INTEGER LANGUAGE PLPGSQL IMMUTABLE AS
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$BODY$
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BEGIN
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RETURN _timescaledb_internal.get_partition_hash(source);
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END
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$BODY$;
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CREATE OR REPLACE FUNCTION partfunc_bad_multi_arg(source anyelement, extra_arg integer)
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RETURNS INTEGER LANGUAGE PLPGSQL IMMUTABLE AS
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$BODY$
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BEGIN
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RETURN _timescaledb_internal.get_partition_hash(source);
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END
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$BODY$;
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CREATE OR REPLACE FUNCTION partfunc_valid(source anyelement)
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RETURNS INTEGER LANGUAGE PLPGSQL IMMUTABLE AS
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$BODY$
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BEGIN
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RETURN _timescaledb_internal.get_partition_hash(source);
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END
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$BODY$;
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create table test_schema.test_partfunc(time timestamptz, temp float, device int);
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-- Test that create_hypertable fails due to invalid partitioning function
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\set ON_ERROR_STOP 0
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select create_hypertable('test_schema.test_partfunc', 'time', 'device', 2, partitioning_func => 'partfunc_not_immutable');
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select create_hypertable('test_schema.test_partfunc', 'time', 'device', 2, partitioning_func => 'partfunc_bad_return_type');
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select create_hypertable('test_schema.test_partfunc', 'time', 'device', 2, partitioning_func => 'partfunc_bad_arg_type');
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select create_hypertable('test_schema.test_partfunc', 'time', 'device', 2, partitioning_func => 'partfunc_bad_multi_arg');
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\set ON_ERROR_STOP 1
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-- Test that add_dimension fails due to invalid partitioning function
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select create_hypertable('test_schema.test_partfunc', 'time');
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\set ON_ERROR_STOP 0
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select add_dimension('test_schema.test_partfunc', 'device', 2, partitioning_func => 'partfunc_not_immutable');
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select add_dimension('test_schema.test_partfunc', 'device', 2, partitioning_func => 'partfunc_bad_return_type');
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select add_dimension('test_schema.test_partfunc', 'device', 2, partitioning_func => 'partfunc_bad_arg_type');
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select add_dimension('test_schema.test_partfunc', 'device', 2, partitioning_func => 'partfunc_bad_multi_arg');
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\set ON_ERROR_STOP 1
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-- A valid function should work:
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select add_dimension('test_schema.test_partfunc', 'device', 2, partitioning_func => 'partfunc_valid');
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-- check get_create_command produces valid command
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CREATE TABLE test_schema.test_sql_cmd(time TIMESTAMPTZ, temp FLOAT8, device_id TEXT, device_type TEXT, location TEXT, id INT, id2 INT);
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SELECT create_hypertable('test_schema.test_sql_cmd','time');
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SELECT * FROM _timescaledb_internal.get_create_command('test_sql_cmd');
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SELECT _timescaledb_internal.get_create_command('test_sql_cmd') AS create_cmd; \gset
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DROP TABLE test_schema.test_sql_cmd CASCADE;
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CREATE TABLE test_schema.test_sql_cmd(time TIMESTAMPTZ, temp FLOAT8, device_id TEXT, device_type TEXT, location TEXT, id INT, id2 INT);
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SELECT test.execute_sql(:'create_cmd');
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\c :TEST_DBNAME :ROLE_DEFAULT_PERM_USER
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CREATE TABLE test_table_int(time bigint, junk int);
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SELECT hypertable_id AS "TEST_TABLE_INT_HYPERTABLE_ID" FROM create_hypertable('test_table_int', 'time', chunk_time_interval => 1) \gset
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\c :TEST_DBNAME :ROLE_SUPERUSER
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CREATE SCHEMA IF NOT EXISTS my_schema;
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create or replace function my_schema.dummy_now2() returns BIGINT LANGUAGE SQL IMMUTABLE as 'SELECT 1::BIGINT';
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grant execute on ALL FUNCTIONS IN SCHEMA my_schema to public;
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create or replace function dummy_now3() returns BIGINT LANGUAGE SQL IMMUTABLE as 'SELECT 1::BIGINT';
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grant execute on ALL FUNCTIONS IN SCHEMA my_schema to public;
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REVOKE execute ON function dummy_now3() FROM PUBLIC;
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CREATE SCHEMA IF NOT EXISTS my_user_schema;
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GRANT ALL ON SCHEMA my_user_schema to PUBLIC;
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\c :TEST_DBNAME :ROLE_DEFAULT_PERM_USER
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create or replace function dummy_now() returns BIGINT LANGUAGE SQL IMMUTABLE as 'SELECT 1::BIGINT';
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create or replace function my_user_schema.dummy_now4() returns BIGINT LANGUAGE SQL IMMUTABLE as 'SELECT 1::BIGINT';
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select set_integer_now_func('test_table_int', 'dummy_now');
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select * from _timescaledb_catalog.dimension WHERE hypertable_id = :TEST_TABLE_INT_HYPERTABLE_ID;
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\set ON_ERROR_STOP 0
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select set_integer_now_func('test_table_int', 'dummy_now');
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select set_integer_now_func('test_table_int', 'my_schema.dummy_now2', replace_if_exists => TRUE);
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select set_integer_now_func('test_table_int', 'dummy_now3', replace_if_exists => TRUE);
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\set ON_ERROR_STOP
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select set_integer_now_func('test_table_int', 'my_user_schema.dummy_now4', replace_if_exists => TRUE);
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\c :TEST_DBNAME :ROLE_SUPERUSER
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ALTER SCHEMA my_user_schema RENAME TO my_new_schema;
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select * from _timescaledb_catalog.dimension WHERE hypertable_id = :TEST_TABLE_INT_HYPERTABLE_ID;
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