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Posted to commits@doris.apache.org by GitBox <gi...@apache.org> on 2022/06/16 02:41:33 UTC
[GitHub] [incubator-doris] caoliang-web opened a new pull request, #10171: Optimize flink oracle cdc, add flink read es to doris sample code
caoliang-web opened a new pull request, #10171:
URL: https://github.com/apache/incubator-doris/pull/10171
## Problem Summary:
1.Optimize flink oracle cdc
2.flink read es to doris sample code
## Checklist(Required)
1. Does it affect the original behavior: (Yes/No/I Don't know)
2. Has unit tests been added: (Yes/No/No Need)
3. Has document been added or modified: (Yes/No/No Need)
4. Does it need to update dependencies: (Yes/No)
5. Are there any changes that cannot be rolled back: (Yes/No)
## Further comments
If this is a relatively large or complex change, kick off the discussion at [dev@doris.apache.org](mailto:dev@doris.apache.org) by explaining why you chose the solution you did and what alternatives you considered, etc...
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[GitHub] [doris] github-actions[bot] commented on pull request #10171: Optimize flink oracle cdc, add flink read es to doris sample code
Posted by GitBox <gi...@apache.org>.
github-actions[bot] commented on PR #10171:
URL: https://github.com/apache/doris/pull/10171#issuecomment-1188518545
PR approved by anyone and no changes requested.
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[GitHub] [doris] caoliang-web closed pull request #10171: Optimize flink oracle cdc, add flink read es to doris sample code
Posted by GitBox <gi...@apache.org>.
caoliang-web closed pull request #10171: Optimize flink oracle cdc, add flink read es to doris sample code
URL: https://github.com/apache/doris/pull/10171
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[GitHub] [doris] github-actions[bot] commented on pull request #10171: Optimize flink oracle cdc, add flink read es to doris sample code
Posted by GitBox <gi...@apache.org>.
github-actions[bot] commented on PR #10171:
URL: https://github.com/apache/doris/pull/10171#issuecomment-1188518520
PR approved by at least one committer and no changes requested.
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[GitHub] [doris] JNSimba commented on a diff in pull request #10171: Optimize flink oracle cdc, add flink read es to doris sample code
Posted by GitBox <gi...@apache.org>.
JNSimba commented on code in PR #10171:
URL: https://github.com/apache/doris/pull/10171#discussion_r923995188
##########
samples/doris-demo/flink-demo/src/main/java/org/apache/doris/demo/flink/elasticsearch/ElasticsearchInput.java:
##########
@@ -0,0 +1,248 @@
+// 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.doris.demo.flink.elasticsearch;
+
+import org.apache.commons.collections.map.CaseInsensitiveMap;
+import org.apache.flink.annotation.PublicEvolving;
+import org.apache.flink.api.common.io.DefaultInputSplitAssigner;
+import org.apache.flink.api.common.io.RichInputFormat;
+import org.apache.flink.api.common.io.statistics.BaseStatistics;
+import org.apache.flink.api.common.typeinfo.TypeInformation;
+import org.apache.flink.api.java.typeutils.ResultTypeQueryable;
+import org.apache.flink.api.java.typeutils.RowTypeInfo;
+import org.apache.flink.configuration.Configuration;
+import org.apache.flink.core.io.GenericInputSplit;
+import org.apache.flink.core.io.InputSplit;
+import org.apache.flink.core.io.InputSplitAssigner;
+import org.apache.flink.streaming.connectors.elasticsearch7.RestClientFactory;
+import org.apache.flink.types.Row;
+import org.apache.flink.util.Preconditions;
+import org.apache.http.HttpHost;
+import org.elasticsearch.action.search.ClearScrollRequest;
+import org.elasticsearch.action.search.SearchRequest;
+import org.elasticsearch.action.search.SearchResponse;
+import org.elasticsearch.action.search.SearchScrollRequest;
+import org.elasticsearch.client.RequestOptions;
+import org.elasticsearch.client.RestClient;
+import org.elasticsearch.client.RestClientBuilder;
+import org.elasticsearch.client.RestHighLevelClient;
+import org.elasticsearch.common.unit.TimeValue;
+import org.elasticsearch.index.query.QueryBuilders;
+import org.elasticsearch.search.Scroll;
+import org.elasticsearch.search.builder.SearchSourceBuilder;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.io.IOException;
+import java.util.Arrays;
+import java.util.Iterator;
+import java.util.List;
+import java.util.Map;
+import java.util.stream.Collectors;
+
+/**
+ * custom elasticsearch source
+ */
+
+public class ElasticsearchInput extends RichInputFormat<Row, InputSplit> implements ResultTypeQueryable<Row> {
+
+ private static final Logger LOG = LoggerFactory.getLogger(ElasticsearchInput.class);
+
+ private final List<HttpHost> httpHosts;
+ private final RestClientFactory restClientFactory;
+ private final String index;
+
+ private transient RestHighLevelClient client;
+
+ private String scrollId;
+ private SearchRequest searchRequest;
+
+ private RowTypeInfo rowTypeInfo;
+
+ private boolean hasNext;
+
+ private Iterator<Map<String, Object>> iterator;
+ private Map<String, Integer> position;
+
+
+ public ElasticsearchInput(List<HttpHost> httpHosts,
+ RestClientFactory restClientFactory, String index) {
+ this.httpHosts = httpHosts;
+ this.restClientFactory = restClientFactory;
+ this.index = index;
+ }
+
+ @Override
+ public void configure(Configuration parameters) {
+
+ }
+
+ @Override
+ public BaseStatistics getStatistics(BaseStatistics cachedStatistics) throws IOException {
+ return cachedStatistics;
+ }
+
+ @Override
+ public InputSplit[] createInputSplits(int minNumSplits) throws IOException {
+ return new GenericInputSplit[]{new GenericInputSplit(0, 1)};
+ }
+
+ @Override
+ public InputSplitAssigner getInputSplitAssigner(InputSplit[] inputSplits) {
+ return new DefaultInputSplitAssigner(inputSplits);
+ }
+
+ @Override
+ public void open(InputSplit split) throws IOException {
+ search();
+ }
+
+ // 从 es 中获取数据
Review Comment:
english comment
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