Github user ericl commented on a diff in the pull request:
https://github.com/apache/spark/pull/13386#discussion_r65265388
--- Diff:
sql/hive/src/main/scala/org/apache/spark/sql/hive/HiveMetastoreCatalog.scala ---
@@ -447,52 +447,20 @@ private[hive] class
HiveMetastoreCatalog(sparkSession: SparkSession) extends Log
case p: LogicalPlan if p.resolved => p
case p @ CreateTableAsSelectLogicalPlan(table, child, allowExisting)
=>
- val schema = if (table.schema.nonEmpty) {
- table.schema
+ val desc = if (table.storage.serde.isEmpty) {
+ // add default serde
+ table.withNewStorage(
+ serde =
Some("org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe"))
} else {
- child.output.map { a =>
- CatalogColumn(a.name, a.dataType.catalogString, a.nullable)
- }
+ table
}
- val desc = table.copy(schema = schema)
-
- if (sessionState.convertCTAS && table.storage.serde.isEmpty) {
- // Do the conversion when spark.sql.hive.convertCTAS is true and
the query
- // does not specify any storage format (file format and storage
handler).
- if (table.identifier.database.isDefined) {
- throw new AnalysisException(
- "Cannot specify database name in a CTAS statement " +
- "when spark.sql.hive.convertCTAS is set to true.")
--- End diff --
Should we keep this restriction?
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