SELECT pgn.nspname as schemaname, pgc.relname as tablename, pga.attname as distributionkey FROM (SELECT gdp.localoid, CASE WHEN ( Array_upper(gdp.attrnums, 1) > 0 ) THEN Unnest(gdp.attrnums) ELSE NULL END AS attnum FROM gp_distribution_policy gdp ORDER BY gdp.localoid) AS distrokey INNER JOIN pg_class AS pgc ON distrokey.localoid = pgc.oid INNER JOIN pg_namespace pgn ON pgc.relnamespace = pgn.oid LEFT OUTER JOIN pg_attribute pga ON distrokey.attnum = pga.attnum AND distrokey.localoid = pga.attrelid ORDER BY pgn.nspname, pgc.relname; |
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