bowenli86 commented on a change in pull request #8353: [FLINK-12233][hive]
Support table related operations in HiveCatalog
URL: https://github.com/apache/flink/pull/8353#discussion_r283056348
##########
File path:
flink-connectors/flink-connector-hive/src/main/java/org/apache/flink/table/catalog/hive/HiveCatalogBase.java
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@@ -89,6 +101,34 @@ private static IMetaStoreClient
getMetastoreClient(HiveConf hiveConf) {
}
}
+ // ------ APIs ------
+
+ /**
+ * Validate input base table.
+ *
+ * @param catalogBaseTable the base table to be validated
+ * @throws IllegalArgumentException thrown if the input base table is
invalid.
+ */
+ protected abstract void validateCatalogBaseTable(CatalogBaseTable
catalogBaseTable)
Review comment:
Make sense. Though IllegalArgumentException can be thrown when any part of
the input table is invalid, a better signature may just be throwing
CatalogException to conform with that of other existing catalog APIs, since
we've defined CatalogException's use case as "in case of any runtime exception".
I don't think returning boolean is a good signature as the check can be
fairly complicated and the caller won't know which part is invalid. Returning
boolean would be a good option for a single criteria check like "bool
isTable()".
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