Github user gatorsmile commented on a diff in the pull request:
https://github.com/apache/spark/pull/18804#discussion_r130783003
--- Diff:
sql/hive/src/main/scala/org/apache/spark/sql/hive/HiveExternalCatalog.scala ---
@@ -642,8 +642,15 @@ private[spark] class HiveExternalCatalog(conf:
SparkConf, hadoopConf: Configurat
if (stats.get.rowCount.isDefined) {
statsProperties += STATISTICS_NUM_ROWS ->
stats.get.rowCount.get.toString()
}
+
+ // For datasource tables the data schema is stored in the table
properties.
+ val schema = rawTable.properties.get(DATASOURCE_PROVIDER) match {
+ case Some(provider) => getSchemaFromTableProperties(rawTable)
+ case _ => rawTable.schema
--- End diff --
For Hive serde tables that were created by Spark 2.1 or later, we should
still restore it from table properties.
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