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d4619598a9
Add timescaledb_information.hypertable view that lists hypertables, their owner, number of chunks and storage size
31 lines
1.2 KiB
SQL
31 lines
1.2 KiB
SQL
-- Copyright (c) 2016-2018 Timescale, Inc. All Rights Reserved.
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--
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-- This file is licensed under the Apache License, see LICENSE-APACHE
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-- at the top level directory of the TimescaleDB distribution.
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CREATE SCHEMA IF NOT EXISTS timescaledb_information;
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-- Convenience view to list all hypertables and their space usage
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CREATE OR REPLACE VIEW timescaledb_information.hypertable AS
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SELECT ht.schema_name AS table_schema,
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ht.table_name,
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t.tableowner AS table_owner,
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ht.num_dimensions,
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(SELECT count(1)
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FROM _timescaledb_catalog.chunk ch
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WHERE ch.hypertable_id=ht.id
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) AS num_chunks,
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size.table_size,
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size.index_size,
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size.toast_size,
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size.total_size
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FROM _timescaledb_catalog.hypertable ht
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LEFT OUTER JOIN pg_tables t ON ht.table_name=t.tablename AND ht.schema_name=t.schemaname
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LEFT OUTER JOIN LATERAL @extschema@.hypertable_relation_size_pretty(
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CASE WHEN has_schema_privilege(ht.schema_name,'USAGE') THEN format('%I.%I',ht.schema_name,ht.table_name) ELSE NULL END
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) size ON true;
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GRANT USAGE ON SCHEMA timescaledb_information TO PUBLIC;
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GRANT SELECT ON ALL TABLES IN SCHEMA timescaledb_information TO PUBLIC;
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