SELECT * FROM sample ( ON (SELECT stratum, count(*) AS stratum_count FROM score_category GROUP BY stratum) AS summary DIMENSION ON score_category PARTITION BY ANY ApproxSampleSize ('10') Seed ('2') ) ORDER BY id;
SELECT * FROM sample ( ON (SELECT stratum, count(*) AS stratum_count FROM score_category GROUP BY stratum) AS summary DIMENSION ON score_category PARTITION BY ANY ApproxSampleSize ('10') Seed ('2') ) ORDER BY id;