The following query returns the number of rows on each primary AMP where column_1 and column_2 are the primary index of table T.
SELECT HASHAMP (HASHBUCKET (HASHROW (column_1,column_2))), COUNT (*) FROM T GROUP BY 1 ORDER BY 1;
The following query returns the number of rows on each primary AMP where column_1 and column_2 are the primary index of table T.
SELECT HASHAMP (HASHBUCKET (HASHROW (column_1,column_2))), COUNT (*) FROM T GROUP BY 1 ORDER BY 1;