mirror of https://github.com/citusdata/citus.git
23 lines
813 B
PL/PgSQL
23 lines
813 B
PL/PgSQL
-- citus--9.5-3--9.5-2
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-- This is a downgrade path that will revert the changes made in citus--9.5-2--9.5-3.sql
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-- 9.5-2--9.5-3 was added later as a patch to improve master_update_table_statistics.
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-- We have this downgrade script so that we can continue from the main upgrade path
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-- when upgrading to later versions.
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CREATE OR REPLACE FUNCTION master_update_table_statistics(relation regclass)
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RETURNS VOID AS $$
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DECLARE
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colocated_tables regclass[];
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BEGIN
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SELECT get_colocated_table_array(relation) INTO colocated_tables;
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PERFORM
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master_update_shard_statistics(shardid)
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FROM
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pg_dist_shard
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WHERE
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logicalrelid = ANY (colocated_tables);
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END;
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$$ LANGUAGE 'plpgsql';
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COMMENT ON FUNCTION master_update_table_statistics(regclass)
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IS 'updates shard statistics of the given table and its colocated tables';
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