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https://issues.apache.org/jira/browse/FLINK-4288?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15677736#comment-15677736
]
ASF GitHub Bot commented on FLINK-4288:
---------------------------------------
Github user fhueske commented on a diff in the pull request:
https://github.com/apache/flink/pull/2511#discussion_r88737674
--- Diff:
flink-libraries/flink-table/src/main/scala/org/apache/flink/api/table/FlinkSchema.scala
---
@@ -0,0 +1,57 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.flink.api.table
+
+import java.util
+
+import org.apache.calcite.jdbc.CalciteSchema
+import org.apache.calcite.jdbc.CalciteSchema.TableEntry
+import org.apache.calcite.schema
+import org.apache.calcite.schema.SchemaPlus
+
+/**
+ * Wraps [[CalciteSchema]] and allows for deleting tables.
+ */
+class FlinkSchema {
--- End diff --
I think the benefit of this wrapper is rather limited.
Couldn't we just call `schema.tableMap.remove()` in `TableEnvironment`?
> Make it possible to unregister tables
> -------------------------------------
>
> Key: FLINK-4288
> URL: https://issues.apache.org/jira/browse/FLINK-4288
> Project: Flink
> Issue Type: Improvement
> Components: Table API & SQL
> Reporter: Timo Walther
> Assignee: Timo Walther
>
> Table names can not be changed yet. After registration you can not modify the
> table behind a table name. Maybe this behavior is too restrictive.
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