dtenedor commented on code in PR #44302:
URL: https://github.com/apache/spark/pull/44302#discussion_r1423244953
##########
sql/core/src/main/scala/org/apache/spark/sql/execution/command/ddl.scala:
##########
@@ -374,6 +374,7 @@ case class AlterTableChangeColumnCommand(
// TODO: support change column name/dataType/metadata/position.
override def run(sparkSession: SparkSession): Seq[Row] = {
val catalog = sparkSession.sessionState.catalog
+ catalog.refreshTable(tableName)
Review Comment:
This is done.
##########
sql/core/src/test/scala/org/apache/spark/sql/sources/InsertSuite.scala:
##########
@@ -2608,6 +2608,25 @@ class InsertSuite extends DataSourceTest with
SharedSparkSession {
}
}
+ test("SPARK-46370: Querying a table should not invalidate the column
defaults") {
+ withTable("t") {
+ spark.sql("CREATE TABLE t(i INT, s STRING DEFAULT 'def') USING CSV")
+ spark.sql("INSERT INTO t SELECT 1, DEFAULT")
+ spark.sql("ALTER TABLE t ALTER COLUMN s DROP DEFAULT")
+ spark.sql("INSERT INTO t SELECT 2, DEFAULT")
+ val results = spark.table("t").collect()
Review Comment:
This is done.
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