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_r282239896
##########
File path:
flink-connectors/flink-connector-hive/src/main/java/org/apache/flink/table/catalog/hive/GenericHiveMetastoreCatalog.java
##########
@@ -363,4 +333,23 @@ public CatalogColumnStatistics
getPartitionColumnStatistics(ObjectPath tablePath
throw new UnsupportedOperationException();
}
+ // ------ utils ------
+
+ /**
+ * Filter out Hive-created properties, and return Flink-created
properties.
+ */
+ private Map<String, String> retrieveFlinkProperties(Map<String, String>
hiveTableParams) {
+ return hiveTableParams.entrySet().stream()
+ .filter(e ->
e.getKey().startsWith(FLINK_PROPERTY_PREFIX))
+ .collect(Collectors.toMap(e ->
e.getKey().replace(FLINK_PROPERTY_PREFIX, ""), e -> e.getValue()));
+ }
+
+ /**
+ * Add a prefix to Flink-created properties to distinguish them from
Hive-created properties.
+ */
+ private Map<String, String> buildFlinkProperties(Map<String, String>
properties) {
Review comment:
I feel "mask" is a good name. Not sure about "unmask" because the retrieval
not only unmasks flink properties but also filters out hive properties.
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