dtenedor commented on code in PR #38418:
URL: https://github.com/apache/spark/pull/38418#discussion_r1008275592
##########
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:
That's a good point. We can just name this `nullable` and set it to
initially `true`, and change it to `false` if the SQL syntax includes `NOT
NULL`. Updated accordingly.
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