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https://github.com/timescale/timescaledb.git
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0d5f1ffc83
This patch changes the compression policy to store its configuration in the bgw_job table and removes the bgw_policy_compress_chunks table.
101 lines
4.4 KiB
SQL
101 lines
4.4 KiB
SQL
-- This file and its contents are licensed under the Timescale License.
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-- Please see the included NOTICE for copyright information and
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-- LICENSE-TIMESCALE for a copy of the license.
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\set ON_ERROR_STOP 0
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CREATE TABLE conditions (
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timec TIMESTAMPTZ NOT NULL,
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location TEXT NOT NULL,
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location2 char(10) NOT NULL,
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temperature DOUBLE PRECISION NULL,
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humidity DOUBLE PRECISION NULL
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);
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select table_name from create_hypertable( 'conditions', 'timec', chunk_time_interval=>'1month'::interval);
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\c :TEST_DBNAME :ROLE_DEFAULT_PERM_USER_2
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alter table conditions set (timescaledb.compress, timescaledb.compress_segmentby = 'location', timescaledb.compress_orderby = 'timec');
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insert into conditions
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select generate_series('2018-12-01 00:00'::timestamp, '2018-12-31 00:00'::timestamp, '1 day'), 'POR', 'klick', 55, 75;
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\c :TEST_DBNAME :ROLE_DEFAULT_PERM_USER
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--now owner tries and succeeds --
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alter table conditions set (timescaledb.compress, timescaledb.compress_segmentby = 'location', timescaledb.compress_orderby = 'timec');
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insert into conditions
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select generate_series('2018-12-01 00:00'::timestamp, '2018-12-31 00:00'::timestamp, '1 day'), 'POR', 'klick', 55, 75;
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--try modifying compress properties --
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\c :TEST_DBNAME :ROLE_DEFAULT_PERM_USER_2
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alter table conditions set (timescaledb.compress, timescaledb.compress_segmentby = 'location', timescaledb.compress_orderby = 'humidity');
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--- compress_chunks and decompress_chunks fail without correct perm --
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\c :TEST_DBNAME :ROLE_DEFAULT_PERM_USER_2
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select compress_chunk(ch1.schema_name|| '.' || ch1.table_name)
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FROM _timescaledb_catalog.chunk ch1, _timescaledb_catalog.hypertable ht where ch1.hypertable_id = ht.id and ht.table_name like 'conditions' and ch1.compressed_chunk_id IS NULL;
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select decompress_chunk(ch1.schema_name|| '.' || ch1.table_name)
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FROM _timescaledb_catalog.chunk ch1, _timescaledb_catalog.hypertable ht where ch1.hypertable_id = ht.id and ht.table_name like 'conditions';
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select add_compression_policy('conditions', '1day'::interval);
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\c :TEST_DBNAME :ROLE_DEFAULT_PERM_USER
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select add_compression_policy('conditions', '1day'::interval);
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\c :TEST_DBNAME :ROLE_DEFAULT_PERM_USER_2
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--try dropping policy
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select remove_compression_policy('conditions', true);
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--Tests for GRANTS.
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-- as owner grant select , compress chunk and check SELECT works
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\c :TEST_DBNAME :ROLE_DEFAULT_PERM_USER
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GRANT SELECT on conditions to :ROLE_DEFAULT_PERM_USER_2;
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select count(*) from
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(select compress_chunk(ch1.schema_name|| '.' || ch1.table_name)
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FROM _timescaledb_catalog.chunk ch1, _timescaledb_catalog.hypertable ht where ch1.hypertable_id = ht.id and ht.table_name like 'conditions' and ch1.compressed_chunk_id IS NULL ) as subq;
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\c :TEST_DBNAME :ROLE_DEFAULT_PERM_USER_2
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select count(*) from conditions;
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\c :TEST_DBNAME :ROLE_DEFAULT_PERM_USER
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GRANT INSERT on conditions to :ROLE_DEFAULT_PERM_USER_2;
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\c :TEST_DBNAME :ROLE_DEFAULT_PERM_USER_2
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insert into conditions
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select '2019-04-01 00:00+0'::timestamp with time zone, 'NYC', 'klick', 55, 75;
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select count(*) from conditions;
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update conditions
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set location = 'SFO'
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where timec = '2019-04-01 00:00+0'::timestamp with time zone;
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\c :TEST_DBNAME :ROLE_DEFAULT_PERM_USER
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GRANT UPDATE, DELETE on conditions to :ROLE_DEFAULT_PERM_USER_2;
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\c :TEST_DBNAME :ROLE_DEFAULT_PERM_USER_2
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select location from conditions where timec = '2019-04-01 00:00+0';
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--NOTE constraint exclusion excludes the other chunks here
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--otherwise update would fail
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update conditions
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set location = 'SFO'
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where timec = '2019-04-01 00:00+0'::timestamp with time zone;
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select location from conditions where timec = '2019-04-01 00:00+0';
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--update expected to fail as executor touches all chunks
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update conditions
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set location = 'PNC'
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where location = 'SFO';
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delete from conditions
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where timec = '2019-04-01 00:00+0'::timestamp with time zone;
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select location from conditions where timec = '2019-04-01 00:00+0';
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--should fail.
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SELECT ch1.schema_name|| '.' || ch1.table_name as "COMPT_NAME"
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FROM _timescaledb_catalog.hypertable ch1, _timescaledb_catalog.hypertable ht where ht.table_name like 'conditions' and ht.compressed_hypertable_id = ch1.id
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\gset
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select count(*) from :COMPT_NAME;
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CREATE VIEW v2 as select * from conditions;
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select count(*) from v2;
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--should fail after revoking permissions
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\c :TEST_DBNAME :ROLE_DEFAULT_PERM_USER
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REVOKE SELECT on conditions FROM :ROLE_DEFAULT_PERM_USER_2;
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\c :TEST_DBNAME :ROLE_DEFAULT_PERM_USER_2
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select count(*) from v2;
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