mirror of https://github.com/citusdata/citus.git
39 lines
1.3 KiB
SQL
39 lines
1.3 KiB
SQL
DO $$
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declare
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citus_tables_create_query text;
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BEGIN
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citus_tables_create_query=$CTCQ$
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CREATE OR REPLACE VIEW %I.citus_tables AS
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SELECT
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logicalrelid AS table_name,
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CASE WHEN partkey IS NOT NULL THEN 'distributed' ELSE 'reference' END AS citus_table_type,
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coalesce(column_to_column_name(logicalrelid, partkey), '<none>') AS distribution_column,
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colocationid AS colocation_id,
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pg_size_pretty(citus_total_relation_size(logicalrelid, fail_on_error := false)) AS table_size,
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(select count(*) from pg_dist_shard where logicalrelid = p.logicalrelid) AS shard_count,
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pg_get_userbyid(relowner) AS table_owner,
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amname AS access_method
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FROM
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pg_dist_partition p
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JOIN
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pg_class c ON (p.logicalrelid = c.oid)
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LEFT JOIN
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pg_am a ON (a.oid = c.relam)
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WHERE
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partkey IS NOT NULL OR repmodel = 't'
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ORDER BY
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logicalrelid::text;
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$CTCQ$;
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IF EXISTS (SELECT 1 FROM pg_namespace WHERE nspname = 'public') THEN
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EXECUTE format(citus_tables_create_query, 'public');
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GRANT SELECT ON public.citus_tables TO public;
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ELSE
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EXECUTE format(citus_tables_create_query, 'citus');
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ALTER VIEW citus.citus_tables SET SCHEMA pg_catalog;
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GRANT SELECT ON pg_catalog.citus_tables TO public;
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END IF;
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END;
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$$;
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