dongjoon-hyun commented on a change in pull request #27110: [SPARK-30439][SQL]
support NOT NULL in column data type
URL: https://github.com/apache/spark/pull/27110#discussion_r363415967
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File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/connector/catalog/CatalogV2Util.scala
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@@ -126,10 +126,6 @@ private[sql] object CatalogV2Util {
case update: UpdateColumnType =>
replace(schema, update.fieldNames, field => {
- if (!update.isNullable && field.nullable) {
Review comment:
The UT failure seems related to this one. Could you fix the UT failure?
> test("alterTable: update optional column to required fails")
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