Github user wzhfy commented on a diff in the pull request:
https://github.com/apache/spark/pull/14712#discussion_r76354802
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/execution/command/AnalyzeTableCommand.scala
---
@@ -88,14 +89,70 @@ case class AnalyzeTableCommand(tableName: String)
extends RunnableCommand {
}
}.getOrElse(0L)
- // Update the Hive metastore if the total size of the table is
different than the size
- // recorded in the Hive metastore.
- // This logic is based on
org.apache.hadoop.hive.ql.exec.StatsTask.aggregateStats().
- if (newTotalSize > 0 && newTotalSize != oldTotalSize) {
+ var needUpdate = false
+ val totalSize = if (newTotalSize > 0 && newTotalSize !=
oldTotalSize) {
+ needUpdate = true
+ newTotalSize
+ } else {
+ oldTotalSize
+ }
+ var numRows: Option[BigInt] = None
+ if (!noscan) {
+ val oldRowCount: Long = if (catalogTable.catalogStats.isDefined)
{
--- End diff --
thanks, this looks more concise!
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