KurtYoung commented on a change in pull request #8275: [FLINK-11519][table] Add
function related catalog APIs
URL: https://github.com/apache/flink/pull/8275#discussion_r278816704
##########
File path:
flink-table/flink-table-common/src/main/java/org/apache/flink/table/catalog/ReadableWritableCatalog.java
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@@ -195,4 +197,47 @@ void dropPartition(ObjectPath tablePath,
CatalogPartitionSpec partitionSpec, boo
void alterPartition(ObjectPath tablePath, CatalogPartitionSpec
partitionSpec, CatalogPartition newPartition, boolean ignoreIfNotExists)
throws TableNotExistException, TableNotPartitionedException,
PartitionSpecInvalidException, PartitionNotExistException, CatalogException;
+ // ------ functions ------
+
+ /**
+ * Create a function.
+ *
+ * @param functionPath path of the function
+ * @param function the function to be created
+ * @param ignoreIfExists flag to specify behavior if a table/view
with the given name already exists:
+ * if set to false, it throws a
TableAlreadyExistException,
+ * if set to true, nothing happens.
+ * @throws FunctionAlreadyExistException if the function already exist
+ * @throws DatabaseNotExistException if the function does not exist
+ * @throws CatalogException in case of any runtime exception
+ */
+ void createFunction(ObjectPath functionPath, CatalogFunction function,
boolean ignoreIfExists)
+ throws FunctionAlreadyExistException,
DatabaseNotExistException, CatalogException;
+
+ /**
+ * Modify an existing function.
+ *
+ * @param functionPath path of the function
+ * @param newFunction the function to be modified
+ * @param ignoreIfNotExists flag to specify behavior if the function
does not exist:
+ * if set to false, throw an exception
+ * if set to true, nothing happens
+ * @throws FunctionNotExistException if the function does not exist
+ * @throws CatalogException in case of any runtime exception
+ */
+ void alterFunction(ObjectPath functionPath, CatalogFunction
newFunction, boolean ignoreIfNotExists)
+ throws FunctionNotExistException, CatalogException;
+
+ /**
+ * Drop a function.
+ *
+ * @param functionPath path of the function to be dropped
+ * @param ignoreIfNotExists plag to specify behavior if the database
does not exist:
Review comment:
database -> function
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