rdblue commented on code in PR #12211:
URL: https://github.com/apache/iceberg/pull/12211#discussion_r1950087975
##########
flink/v1.18/flink/src/test/java/org/apache/iceberg/flink/TestFlinkCatalogTable.java:
##########
@@ -339,11 +339,6 @@ public void testAlterTableAddColumn() {
3, "col1", Types.StringType.get(), "comment for col1"),
Types.NestedField.optional(4, "col2",
Types.LongType.get()))
.asStruct());
- // Adding a required field should fail because Iceberg's SchemaUpdate does
not allow
- // incompatible changes.
- assertThatThrownBy(() -> sql("ALTER TABLE tl ADD (pk STRING NOT NULL)"))
- .hasRootCauseInstanceOf(IllegalArgumentException.class)
- .hasRootCauseMessage("Incompatible change: cannot add required column:
pk");
Review Comment:
I think it's better to remove these assertions than to update them. These
cases are covered by core tests for schema updates, which is the canonical
place to test behavior. Flink and Spark tests should validate the integration
(that the ADD COLUMN is passed) rather than the behavior (that NOT NULL is
rejected).
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