Github user dilipbiswal commented on a diff in the pull request:
https://github.com/apache/spark/pull/11596#discussion_r55484267
--- Diff:
sql/hive/src/main/scala/org/apache/spark/sql/hive/SQLBuilder.scala ---
@@ -297,6 +303,65 @@ class SQLBuilder(logicalPlan: LogicalPlan, sqlContext:
SQLContext) extends Loggi
)
}
+ /* This function handles the SQL generation when generators.
+ * sample plan :
+ * +- Project [mycol2#192]
+ * +- Generate explode(myCol#191), true, false, Some(mytable2),
[mycol2#192]
+ * +- Generate explode(array(array(1, 2, 3))), true, false,
Some(mytable), [mycol#191]
+ * +- MetastoreRelation default, src, None
+ *
+ */
+ private def generateToSQL(plan: Generate): String = {
+ val columnAliases = plan.generatorOutput.map(a =>
quoteIdentifier(a.name)).mkString(",")
--- End diff --
Sure. Thx
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