Github user cloud-fan commented on a diff in the pull request:
https://github.com/apache/spark/pull/8990#discussion_r41299272
--- Diff: sql/hive/src/main/scala/org/apache/spark/sql/hive/HiveQl.scala ---
@@ -563,6 +580,77 @@
https://cwiki.apache.org/confluence/display/Hive/Enhanced+Aggregation%2C+Cube%2C
}
}
+ case view @ Token("TOK_CREATEVIEW", children)
+ if children.collect { case t @ Token("TOK_QUERY", _) => t
}.nonEmpty =>
+
+ val Seq(
+ Some(viewNameParts),
+ Some(query),
+ maybeComment,
+ allowExisting,
+ maybeProperties,
+ maybeColumns,
+ maybePartCols
+ ) = getClauses(
+ Seq(
+ "TOK_TABNAME",
+ "TOK_QUERY",
+ "TOK_TABLECOMMENT",
+ "TOK_IFNOTEXISTS",
+ "TOK_TABLEPROPERTIES",
+ "TOK_TABCOLNAME",
+ "TOK_VIEWPARTCOLS"),
+ children)
+
+ // If the view is partitioned, we let hive handle it.
+ if (maybePartCols.isDefined) {
+ NativePlaceholder
+ } else {
+ val (db, viewName) = extractDbNameTableName(viewNameParts)
+
+ val originalText = context.getTokenRewriteStream
+ .toString(query.getTokenStartIndex, query.getTokenStopIndex)
+
+ val schema = maybeColumns.map { cols =>
+ BaseSemanticAnalyzer.getColumns(cols, true).asScala.map { field
=>
+ HiveColumn(field.getName, field.getType, field.getComment)
--- End diff --
it will always return null. Should I just use null literal to make it clear?
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