Github user fhueske commented on a diff in the pull request:
https://github.com/apache/flink/pull/5240#discussion_r163061338
--- Diff:
flink-libraries/flink-table/src/main/scala/org/apache/flink/table/descriptors/Schema.scala
---
@@ -0,0 +1,95 @@
+/*
+ * 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.table.descriptors
+
+import org.apache.flink.api.common.typeinfo.TypeInformation
+import org.apache.flink.table.api.TableSchema
+
+import scala.collection.mutable
+
+/**
+ * Describes a schema of a table.
+ */
+class Schema extends Descriptor {
+
+ private val tableSchema: mutable.LinkedHashMap[String, String] =
+ mutable.LinkedHashMap[String, String]()
+
+ /**
+ * Sets the schema with field names and the types. Required.
+ *
+ * This method overwrites existing fields added with [[field()]].
+ *
+ * @param schema the table schema
+ */
+ def schema(schema: TableSchema): Schema = {
--- End diff --
add a method `def schema(schema: String): Schema` that parses the schema
string?
---
