pvary commented on code in PR #15795:
URL: https://github.com/apache/iceberg/pull/15795#discussion_r3354741564
##########
data/src/test/java/org/apache/iceberg/data/BaseFormatModelTests.java:
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@@ -130,6 +130,99 @@ protected boolean supportsBatchReads() {
@TempDir private File tableDir;
+ protected boolean supportsTime() {
+ return true;
+ }
+
+ protected boolean supportsTimestampNano() {
+ return true;
+ }
+
+ protected boolean supportsVariant() {
+ return true;
+ }
+
+ protected boolean supportsUnknown() {
+ return true;
+ }
+
+ /**
+ * Returns the schema with columns whose types are unsupported by this
engine removed. Engines may
+ * override to extend or replace filtering logic. The default implementation
drops top-level
+ * columns whose types (recursively) contain TIME, TIMESTAMP_NANO, VARIANT,
or UNKNOWN when the
+ * corresponding {@code supports*} method returns false.
+ */
+ protected Schema filterUnsupported(Schema schema) {
Review Comment:
Maybe create a `SchemaVisitor` implementation for this?
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