Github user gatorsmile commented on a diff in the pull request:
https://github.com/apache/spark/pull/16517#discussion_r96130318
--- Diff:
sql/hive/src/main/scala/org/apache/spark/sql/hive/HiveStrategies.scala ---
@@ -86,6 +86,42 @@ class DetermineHiveSerde(conf: SQLConf) extends
Rule[LogicalPlan] {
}
}
+class HiveAnalysis(session: SparkSession) extends Rule[LogicalPlan] {
+ override def apply(plan: LogicalPlan): LogicalPlan = plan
resolveOperators {
+ case InsertIntoTable(table: MetastoreRelation, partSpec, query,
overwrite, ifNotExists)
+ if hasBeenPreprocessed(table.output,
table.partitionKeys.toStructType, partSpec, query) =>
+ InsertIntoHiveTable(table, partSpec, query, overwrite, ifNotExists)
+
+ case CreateTable(tableDesc, mode, Some(query)) if
DDLUtils.isHiveTable(tableDesc) =>
+ // Currently we will never hit this branch, as SQL string API can
only use `Ignore` or
+ // `ErrorIfExists` mode, and `DataFrameWriter.saveAsTable` doesn't
support hive serde
+ // tables yet.
+ if (mode == SaveMode.Append || mode == SaveMode.Overwrite) {
+ throw new AnalysisException(
+ "CTAS for hive serde tables does not support append or overwrite
semantics.")
+ }
--- End diff --
The above codes need to merge from the latest master build.
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