Github user cloud-fan commented on a diff in the pull request:
https://github.com/apache/spark/pull/18334#discussion_r123998237
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/internal/SQLConf.scala ---
@@ -774,6 +774,13 @@ object SQLConf {
.doubleConf
.createWithDefault(0.05)
+ val AUTO_UPDATE_SIZE =
+ buildConf("spark.sql.statistics.autoUpdate.size")
+ .doc("Enables automatic update for table size once table's data is
changed. " +
+ "Note that this update also removes other statistics (e.g. row count
and column statistics)")
--- End diff --
this is misleading, even they don't do auto update, row count and column
statistics will also be removed.
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