Aitozi commented on code in PR #21522:
URL: https://github.com/apache/flink/pull/21522#discussion_r1134279553
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flink-connectors/flink-connector-hive/src/test/java/org/apache/flink/table/catalog/hive/HiveCatalogMetadataTestBase.java:
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@@ -60,4 +65,50 @@ public void testCreateFunctionCaseInsensitive() throws
Exception {
protected CatalogFunction createPythonFunction() {
return new CatalogFunctionImpl("test.func1", FunctionLanguage.PYTHON);
}
+
+ /**
+ * Convert the {@link ResolvedSchema} to a {@link Schema}, and also
convert the {@link
+ * ResolvedExpression} back to its Unresolved state. This will enable
direct comparison of the
+ * schema.
+ */
+ public static Schema fromResolvedSchema(ResolvedSchema resolvedSchema) {
Review Comment:
The `ResolvedExpression` in resolvedSchema is different from the Expression
in the string format. For example, `SqlCallExpression`'s format will have '[]'
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