Github user cloud-fan commented on a diff in the pull request:
https://github.com/apache/spark/pull/10498#discussion_r48823466
--- Diff:
sql/hive/src/main/scala/org/apache/spark/sql/hive/HiveMetastoreCatalog.scala ---
@@ -240,6 +241,23 @@ private[hive] class HiveMetastoreCatalog(val client:
ClientInterface, hive: Hive
}
}
+ if (userSpecifiedSchema.isDefined && bucketSpec.isDefined) {
+ val BucketSpec(numBuckets, bucketColumns, sortColumns) =
bucketSpec.get
+
+ tableProperties.put("spark.sql.sources.schema.numBuckets",
numBuckets.toString)
+ tableProperties.put("spark.sql.sources.schema.numBucketCols",
bucketColumns.length.toString)
+ bucketColumns.zipWithIndex.foreach { case (bucketCol, index) =>
+ tableProperties.put(s"spark.sql.sources.schema.bucketCol.$index",
bucketCol)
+ }
+
+ if (sortColumns.isDefined) {
+ tableProperties.put("spark.sql.sources.schema.numSortCols",
sortColumns.get.length.toString)
--- End diff --
I think so. Looks like it's not a problem for partition/bucket/sort
columns, shall we just use a delimiter and store all column names in one line?
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