Table and index size (including partitioned tables)

posted Apr 28, 2017, 11:52 AM by Sachchida Ojha
SELECT tabs.nspname AS schema_name
, COALESCE(parts.tablename, tabs.relname) AS table_name
, ROUND(SUM(sotaidtablesize)/1024/1024/1024,3) AS table_GB
, ROUND(SUM(sotaididxsize)/1024/1024/1024,3) AS index_GB
, ROUND(SUM(sotaidtablesize)/1024/1024/1024,3)+ROUND(SUM(sotaididxsize)/1024/1024/1024,3) total_gb
FROM   gp_toolkit.gp_size_of_table_and_indexes_disk sotd
,     (SELECT c.oid, c.relname, n.nspname
       FROM   pg_class c
       ,      pg_namespace n
       WHERE  n.oid = c.relnamespace
       AND    c.relname NOT LIKE '%_err'
      )tabs
LEFT JOIN pg_partitions parts
ON     tabs.nspname = parts.schemaname
AND    tabs.relname = parts.partitiontablename
WHERE  sotd.sotaidoid = tabs.oid and tabs.nspname = 'public'
GROUP BY tabs.nspname, COALESCE(parts.tablename, tabs.relname)
ORDER BY 1 desc,(ROUND(SUM(sotaidtablesize)/1024/1024/1024,3)+ROUND(SUM(sotaididxsize)/1024/1024/1024,3)) desc,2;

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