We have migrated to new Google sites!
Post date: Jul 25, 2014 12:11:36 PM
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;