fpompermaier commented on issue #9392: [FLINK-13611] [table-planner-blink] Introduce statistic generator utility to generate table & column statistics URL: https://github.com/apache/flink/pull/9392#issuecomment-519412311 I also tried to write something like that and the problem I had was that the computatio of column stats, if computed independently, is not so efficient (all the values of a column is read by every stat function while you could just read the values once and compute all the statistics in one big function). For more details about our test implementation look at https://github.com/okkam-it/flink-descriptive-stats/blob/master/src/main/java/jar/ProfileJob.java
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