[ https://issues.apache.org/jira/browse/FLINK-8630?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16365447#comment-16365447 ]
ASF GitHub Bot commented on FLINK-8630: --------------------------------------- Github user xccui commented on a diff in the pull request: https://github.com/apache/flink/pull/5491#discussion_r168446783 --- Diff: flink-formats/flink-json/src/main/java/org/apache/flink/formats/json/JsonSchemaConverter.java --- @@ -0,0 +1,358 @@ +/* + * 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.formats.json; + +import org.apache.flink.api.common.typeinfo.TypeInformation; +import org.apache.flink.api.common.typeinfo.Types; +import org.apache.flink.types.Row; +import org.apache.flink.util.Preconditions; + +import org.apache.flink.shaded.jackson2.com.fasterxml.jackson.core.JsonParser; +import org.apache.flink.shaded.jackson2.com.fasterxml.jackson.databind.JsonNode; +import org.apache.flink.shaded.jackson2.com.fasterxml.jackson.databind.ObjectMapper; + +import java.io.IOException; +import java.util.ArrayList; +import java.util.Arrays; +import java.util.HashSet; +import java.util.Iterator; +import java.util.List; +import java.util.Map; +import java.util.Optional; +import java.util.Set; + +/** + * Converts a JSON schema into Flink's type information. It uses {@link Row} for representing + * objects and tuple arrays. + * + * <p>Note: This converter implements just a subset of the JSON schema specification. --- End diff -- It seems that the JSON Schema is still evolving. Shall we consider specifying a version for that? > To support JSON schema to TypeInformation conversion > ----------------------------------------------------- > > Key: FLINK-8630 > URL: https://issues.apache.org/jira/browse/FLINK-8630 > Project: Flink > Issue Type: Sub-task > Components: Streaming Connectors > Reporter: Xingcan Cui > Assignee: Timo Walther > Priority: Blocker > Fix For: 1.5.0 > > > To support (FLINK-8558), we need to generate a \{{TypeInformation}} from a > standard [JSON schema|http://json-schema.org/] (and maybe vice verse). There > are some problems to be discussed, e.g., how to handle JSON {{Number}} type. > One option would be we always return a specific type, which can be configured > to be double or BigDecimal, for it. -- This message was sent by Atlassian JIRA (v7.6.3#76005)