Created
July 30, 2014 21:18
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SELECT c.oid AS "Table ID", | |
s.oid AS "Schema ID", | |
trim(c.relname) AS "Name", | |
trim(s.nspname) AS "Schema", | |
trim(u.usename) AS "Owner", | |
coalesce(c.reltuples, 0)::bigint AS "Rows", | |
coalesce(t.rows, 0) AS "Rows with deleted", | |
coalesce(t.sorted_rows, 0) AS "Sorted Rows", | |
NULL::double PRECISION AS "Total GB", | |
coalesce(t.blocks * 1048576, 0)::bigint AS "Total Bytes", | |
coalesce(t.blocks, 0) AS "Total Blocks", | |
CASE | |
WHEN t.max_rows > t.min_rows THEN (t.max_rows - t.min_rows)::numeric(18,5) / t.max_rows | |
WHEN t.max_rows > t.min_rows | |
AND t.min_rows = 0 THEN 1::numeric(18,5) | |
ELSE 0 | |
END::numeric(18,5) AS "Data Skew", | |
coalesce(t.min_rows, 0) AS "Min Rows", | |
coalesce(t.max_rows, 0) AS "Max Rows", | |
coalesce(t.temp, 0) AS "Temp Space", | |
c.relnatts AS "Columns", | |
'lg' AS db | |
FROM pg_catalog.pg_class c | |
JOIN pg_catalog.pg_namespace s ON s.oid = c.relnamespace | |
AND s.nspname NOT IN ('pg_catalog', | |
'information_schema', | |
'pg_toast', | |
'pg_bitmapindex', | |
'pg_internal', | |
'pg_aoseg') | |
JOIN pg_catalog.pg_user u ON u.usesysid = c.relowner | |
LEFT JOIN | |
(SELECT p.id, | |
p.db_id, | |
sum(coalesce(p.rows, 0)) AS ROWS, | |
sum(coalesce(p.sorted_rows, 0)) AS sorted_rows, | |
sum(coalesce(p.temp, 0)) AS TEMP, | |
min(coalesce(p.ROWS, 0)) AS min_rows, | |
max(coalesce(p.ROWS, 0)) AS max_rows, | |
sum(b.blocknum) AS blocks | |
FROM | |
(SELECT DISTINCT slice | |
FROM pg_catalog.stv_blocklist) bl | |
LEFT JOIN pg_catalog.stv_tbl_perm p ON p.slice = bl.slice | |
LEFT JOIN pg_catalog.pg_database d ON d.datname = 'lg' | |
LEFT JOIN | |
(SELECT bl.tbl, | |
bl.slice, | |
count(bl.blocknum) AS blocknum | |
FROM pg_catalog.stv_blocklist bl | |
GROUP BY bl.tbl, | |
bl.slice) b ON b.tbl = p.id | |
AND b.slice = p.slice | |
GROUP BY p.id, | |
p.db_id) t ON t.id = c.oid | |
WHERE c.relkind = 'r' | |
ORDER BY c.relname, | |
s.nspname; |
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