cloud-fan commented on code in PR #38418:
URL: https://github.com/apache/spark/pull/38418#discussion_r1007527891
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sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/parser/AstBuilder.scala:
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@@ -2813,13 +2813,41 @@ class AstBuilder extends
SqlBaseParserBaseVisitor[AnyRef] with SQLConfHelper wit
ctx: CreateOrReplaceTableColTypeContext): StructField = withOrigin(ctx) {
import ctx._
+ // Check that no duplicates exist among any CREATE TABLE column options
specified.
+ var isNotNull: Option[Boolean] = None
Review Comment:
seems this can be a boolean, starting with false, and set to true if NOT
NULL is present.
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