jcamachor commented on a change in pull request #831: HIVE-22238 pkfk URL: https://github.com/apache/hive/pull/831#discussion_r341452795
########## File path: ql/src/java/org/apache/hadoop/hive/ql/optimizer/stats/annotation/StatsRulesProcFactory.java ########## @@ -2255,8 +2259,14 @@ private long getCardinality(List<Operator<? extends OperatorDesc>> ops, Integer Statistics parentStats = parent.getStatistics(); if (fkInd == pos) { // 2.1 This is the new number of rows after PK is joining with FK - newrows = (long) Math.ceil(parentStats.getNumRows() * pkfkSelectivity); + if (isFkFiltered) { + // if the foregin key is filtered by some condition we may not rescale it Review comment: typo: `foregin` ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org With regards, Apache Git Services --------------------------------------------------------------------- To unsubscribe, e-mail: gitbox-unsubscr...@hive.apache.org For additional commands, e-mail: gitbox-h...@hive.apache.org