mirror of
https://github.com/timescale/timescaledb.git
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83 lines
4.7 KiB
SQL
83 lines
4.7 KiB
SQL
\o /dev/null
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\ir include/create_single_db.sql
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\o
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CREATE TABLE PUBLIC.drop_chunk_test1(time bigint, temp float8, device_id text);
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CREATE TABLE PUBLIC.drop_chunk_test2(time bigint, temp float8, device_id text);
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CREATE INDEX ON drop_chunk_test1(time DESC);
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SELECT create_hypertable('public.drop_chunk_test1', 'time', chunk_time_interval => 1, create_default_indexes=>false);
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SELECT create_hypertable('public.drop_chunk_test2', 'time', chunk_time_interval => 1, create_default_indexes=>false);
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SELECT c.id AS chunk_id, c.hypertable_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_internal.dimension_get_time(h.id) time_dimension ON(true)
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INNER JOIN _timescaledb_catalog.dimension_slice ds ON (ds.dimension_id = time_dimension.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.schema_name = 'public' AND (h.table_name = 'drop_chunk_test1' OR h.table_name = 'drop_chunk_test2');
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\dt "_timescaledb_internal".*
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SELECT _timescaledb_internal.get_partition_for_key('dev1');
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SELECT _timescaledb_internal.get_partition_for_key('dev7');
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INSERT INTO PUBLIC.drop_chunk_test1 VALUES(1, 1.0, 'dev1');
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INSERT INTO PUBLIC.drop_chunk_test1 VALUES(2, 2.0, 'dev1');
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INSERT INTO PUBLIC.drop_chunk_test1 VALUES(3, 3.0, 'dev1');
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INSERT INTO PUBLIC.drop_chunk_test1 VALUES(4, 4.0, 'dev7');
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INSERT INTO PUBLIC.drop_chunk_test1 VALUES(5, 5.0, 'dev7');
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INSERT INTO PUBLIC.drop_chunk_test1 VALUES(6, 6.0, 'dev7');
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INSERT INTO PUBLIC.drop_chunk_test2 VALUES(1, 1.0, 'dev1');
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INSERT INTO PUBLIC.drop_chunk_test2 VALUES(2, 2.0, 'dev1');
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INSERT INTO PUBLIC.drop_chunk_test2 VALUES(3, 3.0, 'dev1');
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INSERT INTO PUBLIC.drop_chunk_test2 VALUES(4, 4.0, 'dev7');
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INSERT INTO PUBLIC.drop_chunk_test2 VALUES(5, 5.0, 'dev7');
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INSERT INTO PUBLIC.drop_chunk_test2 VALUES(6, 6.0, 'dev7');
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SELECT c.id AS chunk_id, c.hypertable_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_internal.dimension_get_time(h.id) time_dimension ON(true)
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INNER JOIN _timescaledb_catalog.dimension_slice ds ON (ds.dimension_id = time_dimension.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.schema_name = 'public' AND (h.table_name = 'drop_chunk_test1' OR h.table_name = 'drop_chunk_test2');
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\dt "_timescaledb_internal".*
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SELECT _timescaledb_internal.drop_chunks_older_than(2);
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SELECT c.id AS chunk_id, c.hypertable_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_internal.dimension_get_time(h.id) time_dimension ON(true)
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INNER JOIN _timescaledb_catalog.dimension_slice ds ON (ds.dimension_id = time_dimension.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.schema_name = 'public' AND (h.table_name = 'drop_chunk_test1' OR h.table_name = 'drop_chunk_test2');
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\dt "_timescaledb_internal".*
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SELECT _timescaledb_internal.drop_chunks_older_than(3, 'drop_chunk_test1');
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SELECT c.id AS chunk_id, c.hypertable_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_internal.dimension_get_time(h.id) time_dimension ON(true)
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INNER JOIN _timescaledb_catalog.dimension_slice ds ON (ds.dimension_id = time_dimension.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.schema_name = 'public' AND (h.table_name = 'drop_chunk_test1' OR h.table_name = 'drop_chunk_test2');
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\dt "_timescaledb_internal".*
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DROP TABLE _timescaledb_internal._hyper_1_6_chunk;
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SELECT c.id AS chunk_id, c.hypertable_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_internal.dimension_get_time(h.id) time_dimension ON(true)
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INNER JOIN _timescaledb_catalog.dimension_slice ds ON (ds.dimension_id = time_dimension.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.schema_name = 'public' AND (h.table_name = 'drop_chunk_test1' OR h.table_name = 'drop_chunk_test2');
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\dt "_timescaledb_internal".*
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