davidradl commented on code in PR #25810:
URL: https://github.com/apache/flink/pull/25810#discussion_r1894988339
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flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/catalog/CatalogManager.java:
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@@ -1297,30 +1303,42 @@ public void dropMaterializedTable(
* @param objectIdentifier The fully qualified path of the view to drop.
* @param ignoreIfNotExists If false exception will be thrown if the view
to drop does not
* exist.
+ * @return true if view existed in the given path and was dropped, false
if view didn't exist in
+ * the given path and ignoreIfNotExists was true.
*/
- public void dropView(ObjectIdentifier objectIdentifier, boolean
ignoreIfNotExists) {
- dropTableInternal(objectIdentifier, ignoreIfNotExists, false, false);
- }
+ public boolean dropView(ObjectIdentifier objectIdentifier, boolean
ignoreIfNotExists) {
+ return dropTableInternal(objectIdentifier, ignoreIfNotExists,
TableKind.VIEW);
+ }
+
+ private boolean dropTableInternal(
+ ObjectIdentifier objectIdentifier, boolean ignoreIfNotExists,
TableKind kind) {
+ final Predicate<CatalogBaseTable> filter;
+ final String tableOrView;
+ switch (kind) {
+ case VIEW:
+ filter = table -> table instanceof CatalogView;
+ tableOrView = "View";
+ break;
+ case TABLE:
+ filter = table -> table instanceof CatalogTable;
+ tableOrView = "Table";
+ break;
+ case MATERIALIZED_TABLE:
+ filter = table -> table instanceof CatalogMaterializedTable;
+ tableOrView = "Materialized Table";
+ break;
+ default:
+ throw new ValidationException("Not supported table kind: " +
kind);
+ }
- private void dropTableInternal(
- ObjectIdentifier objectIdentifier,
- boolean ignoreIfNotExists,
- boolean isDropTable,
- boolean isDropMaterializedTable) {
- Predicate<CatalogBaseTable> filter =
- isDropTable
- ? isDropMaterializedTable
- ? table -> table instanceof
CatalogMaterializedTable
- : table -> table instanceof CatalogTable
- : table -> table instanceof CatalogView;
// Same name temporary table or view exists.
if (filter.test(temporaryTables.get(objectIdentifier))) {
- String tableOrView = isDropTable ? "table" : "view";
+ final String lowerTableOrView =
tableOrView.toLowerCase(Locale.ROOT);
Review Comment:
I am curious what if the table name is back ticked?
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