laserninja commented on code in PR #10494:
URL: https://github.com/apache/gravitino/pull/10494#discussion_r3004204323
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trino-connector/trino-connector/src/main/java/org/apache/gravitino/trino/connector/catalog/CatalogConnectorMetadata.java:
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@@ -396,4 +412,46 @@ public void setColumnType(SchemaTableName schemaTableName,
String columnName, Ty
String[] columnNames = {columnName};
applyAlter(schemaTableName, TableChange.updateColumnType(columnNames,
type));
}
+
+ /**
+ * Checks whether the catalog supports function operations.
+ *
+ * @return true if the catalog supports function operations, false otherwise
+ */
+ public boolean supportsFunctions() {
+ return functionCatalog != null;
+ }
+
+ /**
+ * Lists all functions with details in the specified schema.
+ *
+ * @param schemaName the name of the schema
+ * @return an array of functions, or an empty array if functions are not
supported
+ */
+ public Function[] listFunctionInfos(String schemaName) {
+ if (!supportsFunctions()) {
+ return new Function[0];
Review Comment:
Done. Changed to throw UnsupportedOperationException in both
'listFunctionInfos()' and 'getFunction()'.
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