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https://github.com/timescale/timescaledb.git
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a4a023e89a
For better understanding we've decided to rename the public API from
`{enable|disable}_column_stats` to `{enable|disable}_chunk_skipping`.
25 lines
1.2 KiB
SQL
25 lines
1.2 KiB
SQL
DROP FUNCTION IF EXISTS _timescaledb_functions.cagg_get_bucket_function_info(INTEGER);
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-- remove chunk column statistics related objects
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DROP FUNCTION IF EXISTS @extschema@.enable_chunk_skipping(REGCLASS, NAME, BOOLEAN);
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DROP FUNCTION IF EXISTS @extschema@.disable_chunk_skipping(REGCLASS, NAME, BOOLEAN);
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ALTER EXTENSION timescaledb DROP TABLE _timescaledb_catalog.chunk_column_stats;
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ALTER EXTENSION timescaledb DROP SEQUENCE _timescaledb_catalog.chunk_column_stats_id_seq;
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DROP TABLE IF EXISTS _timescaledb_catalog.chunk_column_stats;
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-- Add foreign key constraints back to compressed chunks
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DO $$
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DECLARE
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chunkrelid regclass;
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conname name;
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conoid oid;
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BEGIN
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FOR chunkrelid, conname, conoid IN
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SELECT format('%I.%I',ch.schema_name,ch.table_name)::regclass, con.conname, con.oid
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FROM _timescaledb_catalog.hypertable ht
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JOIN pg_constraint con ON con.contype = 'f' AND con.conrelid=format('%I.%I',ht.schema_name,ht.table_name)::regclass
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JOIN _timescaledb_catalog.chunk ch on ch.hypertable_id=ht.compressed_hypertable_id and not ch.dropped
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LOOP
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EXECUTE format('ALTER TABLE %s ADD CONSTRAINT %I %s', chunkrelid, conname, pg_get_constraintdef(conoid));
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END LOOP;
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END $$;
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