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Posted to commits@doris.apache.org by GitBox <gi...@apache.org> on 2021/10/20 06:48:39 UTC

[GitHub] [incubator-doris] xiaokangguo opened a new pull request #6892: simplify the use of flink connector

xiaokangguo opened a new pull request #6892:
URL: https://github.com/apache/incubator-doris/pull/6892


   ## Proposed changes
   
   Describe the big picture of your changes here to communicate to the maintainers why we should accept this pull request. If it fixes a bug or resolves a feature request, be sure to link to that issue.
   
   1. Simplify the use of flink connector like other stream sink by GenericDorisSinkFunction.
   2. Add the use cases of flink connector.
   
   ## Use case
   ```
   env.fromElements("{\"longitude\": \"116.405419\", \"city\": \"北京\", \"latitude\": \"39.916927\"}")
        .addSink(
             DorisSink.sink(
                DorisOptions.builder()
                      .setFenodes("FE_IP:8030")
                      .setTableIdentifier("db.table")
                      .setUsername("root")
                      .setPassword("").build()
                   ));
   ```
   
   
   ## Types of changes
   
   What types of changes does your code introduce to Doris?
   _Put an `x` in the boxes that apply_
   
   - [ ] Bugfix (non-breaking change which fixes an issue)
   - [x] New feature (non-breaking change which adds functionality)
   - [ ] Breaking change (fix or feature that would cause existing functionality to not work as expected)
   - [ ] Documentation Update (if none of the other choices apply)
   - [ ] Code refactor (Modify the code structure, format the code, etc...)
   - [x] Optimization. Including functional usability improvements and performance improvements.
   - [ ] Dependency. Such as changes related to third-party components.
   - [ ] Other.
   
   ## Checklist
   
   _Put an `x` in the boxes that apply. You can also fill these out after creating the PR. If you're unsure about any of them, don't hesitate to ask. We're here to help! This is simply a reminder of what we are going to look for before merging your code._
   
   - [ ] I have created an issue on (Fix #ISSUE) and described the bug/feature there in detail
   - [x] Compiling and unit tests pass locally with my changes
   - [x] I have added tests that prove my fix is effective or that my feature works
   - [x] If these changes need document changes, I have updated the document
   - [ ] Any dependent changes have been merged
   
   ## Further comments
   
   If this is a relatively large or complex change, kick off the discussion at dev@doris.apache.org by explaining why you chose the solution you did and what alternatives you considered, etc...
   


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[GitHub] [incubator-doris] xiaokangguo commented on a change in pull request #6892: simplify the use of flink connector

Posted by GitBox <gi...@apache.org>.
xiaokangguo commented on a change in pull request #6892:
URL: https://github.com/apache/incubator-doris/pull/6892#discussion_r733561420



##########
File path: extension/flink-doris-connector/src/main/java/org/apache/doris/flink/table/DorisDynamicOutputFormat.java
##########
@@ -136,30 +140,37 @@ private void checkFlushException() {
     }
 
     @Override
-    public synchronized void writeRecord(RowData row) throws IOException {
+    public synchronized void writeRecord(T row) throws IOException {
         checkFlushException();
-
         addBatch(row);
         if (executionOptions.getBatchSize() > 0 && batch.size() >= executionOptions.getBatchSize()) {
             flush();
         }
     }
 
-    private void addBatch(RowData row) {
-        Map<String, String> valueMap = new HashMap<>();
-        StringJoiner value = new StringJoiner(this.fieldDelimiter);
-        for (int i = 0; i < row.getArity() && i < fieldGetters.length; ++i) {
-            Object field = fieldGetters[i].getFieldOrNull(row);
-            if (jsonFormat) {
-                String data = field != null ? field.toString() : null;
-                valueMap.put(this.fieldNames[i], data);
-            } else {
-                String data = field != null ? field.toString() : NULL_VALUE;
-                value.add(data);
+    // 添加json字符串 本地测试

Review comment:
       got it,thanks!

##########
File path: extension/flink-doris-connector/src/test/java/org/apache/doris/flink/DorisStreamSinkExample.java
##########
@@ -0,0 +1,251 @@
+package org.apache.doris.flink;
+
+import org.apache.doris.flink.cfg.DorisExecutionOptions;
+import org.apache.doris.flink.cfg.DorisOptions;
+import org.apache.doris.flink.cfg.DorisReadOptions;
+import org.apache.doris.flink.cfg.DorisSink;
+import org.apache.flink.api.common.functions.MapFunction;
+import org.apache.flink.api.common.serialization.SimpleStringSchema;
+import org.apache.flink.streaming.api.datastream.DataStream;
+import org.apache.flink.streaming.api.environment.StreamExecutionEnvironment;
+import org.apache.flink.streaming.connectors.kafka.FlinkKafkaConsumer;

Review comment:
       got it,thanks!




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[GitHub] [incubator-doris] JNSimba commented on a change in pull request #6892: simplify the use of flink connector

Posted by GitBox <gi...@apache.org>.
JNSimba commented on a change in pull request #6892:
URL: https://github.com/apache/incubator-doris/pull/6892#discussion_r733537804



##########
File path: extension/flink-doris-connector/src/main/java/org/apache/doris/flink/table/DorisDynamicOutputFormat.java
##########
@@ -136,30 +140,37 @@ private void checkFlushException() {
     }
 
     @Override
-    public synchronized void writeRecord(RowData row) throws IOException {
+    public synchronized void writeRecord(T row) throws IOException {
         checkFlushException();
-
         addBatch(row);
         if (executionOptions.getBatchSize() > 0 && batch.size() >= executionOptions.getBatchSize()) {
             flush();
         }
     }
 
-    private void addBatch(RowData row) {
-        Map<String, String> valueMap = new HashMap<>();
-        StringJoiner value = new StringJoiner(this.fieldDelimiter);
-        for (int i = 0; i < row.getArity() && i < fieldGetters.length; ++i) {
-            Object field = fieldGetters[i].getFieldOrNull(row);
-            if (jsonFormat) {
-                String data = field != null ? field.toString() : null;
-                valueMap.put(this.fieldNames[i], data);
-            } else {
-                String data = field != null ? field.toString() : NULL_VALUE;
-                value.add(data);
+    // 添加json字符串 本地测试
+    private void addBatch(T row) {
+        if (row instanceof RowData) {
+            RowData rowData = (RowData) row;
+            Map<String, String> valueMap = new HashMap<>();
+            StringJoiner value = new StringJoiner(this.fieldDelimiter);
+            for (int i = 0; i < rowData.getArity() && i < fieldGetters.length; ++i) {
+                Object field = fieldGetters[i].getFieldOrNull(rowData);
+                if (jsonFormat) {
+                    String data = field != null ? field.toString() : null;
+                    valueMap.put(this.fieldNames[i], data);
+                } else {
+                    String data = field != null ? field.toString() : NULL_VALUE;
+                    value.add(data);
+                }
             }
+            Object data = jsonFormat ? valueMap : value.toString();
+            batch.add(data);
+
+        }
+        if (row instanceof String) {
+            batch.add(row);

Review comment:
       If row neither of type **RowData** nor **String**,what to do here?




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[GitHub] [incubator-doris] morningman merged pull request #6892: Simplify the use of flink connector

Posted by GitBox <gi...@apache.org>.
morningman merged pull request #6892:
URL: https://github.com/apache/incubator-doris/pull/6892


   


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[GitHub] [incubator-doris] JNSimba commented on a change in pull request #6892: simplify the use of flink connector

Posted by GitBox <gi...@apache.org>.
JNSimba commented on a change in pull request #6892:
URL: https://github.com/apache/incubator-doris/pull/6892#discussion_r733409569



##########
File path: extension/flink-doris-connector/src/main/java/org/apache/doris/flink/table/DorisDynamicOutputFormat.java
##########
@@ -136,30 +140,37 @@ private void checkFlushException() {
     }
 
     @Override
-    public synchronized void writeRecord(RowData row) throws IOException {
+    public synchronized void writeRecord(T row) throws IOException {
         checkFlushException();
-
         addBatch(row);
         if (executionOptions.getBatchSize() > 0 && batch.size() >= executionOptions.getBatchSize()) {
             flush();
         }
     }
 
-    private void addBatch(RowData row) {
-        Map<String, String> valueMap = new HashMap<>();
-        StringJoiner value = new StringJoiner(this.fieldDelimiter);
-        for (int i = 0; i < row.getArity() && i < fieldGetters.length; ++i) {
-            Object field = fieldGetters[i].getFieldOrNull(row);
-            if (jsonFormat) {
-                String data = field != null ? field.toString() : null;
-                valueMap.put(this.fieldNames[i], data);
-            } else {
-                String data = field != null ? field.toString() : NULL_VALUE;
-                value.add(data);
+    // 添加json字符串 本地测试

Review comment:
       English notes




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[GitHub] [incubator-doris] xiaokangguo commented on a change in pull request #6892: simplify the use of flink connector

Posted by GitBox <gi...@apache.org>.
xiaokangguo commented on a change in pull request #6892:
URL: https://github.com/apache/incubator-doris/pull/6892#discussion_r733564650



##########
File path: extension/flink-doris-connector/src/main/java/org/apache/doris/flink/table/DorisDynamicOutputFormat.java
##########
@@ -136,30 +140,37 @@ private void checkFlushException() {
     }
 
     @Override
-    public synchronized void writeRecord(RowData row) throws IOException {
+    public synchronized void writeRecord(T row) throws IOException {
         checkFlushException();
-
         addBatch(row);
         if (executionOptions.getBatchSize() > 0 && batch.size() >= executionOptions.getBatchSize()) {
             flush();
         }
     }
 
-    private void addBatch(RowData row) {
-        Map<String, String> valueMap = new HashMap<>();
-        StringJoiner value = new StringJoiner(this.fieldDelimiter);
-        for (int i = 0; i < row.getArity() && i < fieldGetters.length; ++i) {
-            Object field = fieldGetters[i].getFieldOrNull(row);
-            if (jsonFormat) {
-                String data = field != null ? field.toString() : null;
-                valueMap.put(this.fieldNames[i], data);
-            } else {
-                String data = field != null ? field.toString() : NULL_VALUE;
-                value.add(data);
+    // 添加json字符串 本地测试
+    private void addBatch(T row) {
+        if (row instanceof RowData) {
+            RowData rowData = (RowData) row;
+            Map<String, String> valueMap = new HashMap<>();
+            StringJoiner value = new StringJoiner(this.fieldDelimiter);
+            for (int i = 0; i < rowData.getArity() && i < fieldGetters.length; ++i) {
+                Object field = fieldGetters[i].getFieldOrNull(rowData);
+                if (jsonFormat) {
+                    String data = field != null ? field.toString() : null;
+                    valueMap.put(this.fieldNames[i], data);
+                } else {
+                    String data = field != null ? field.toString() : NULL_VALUE;
+                    value.add(data);
+                }
             }
+            Object data = jsonFormat ? valueMap : value.toString();
+            batch.add(data);
+
+        }
+        if (row instanceof String) {
+            batch.add(row);

Review comment:
       I would like to throw some notes to tell RowData or String only,is it good for that ?




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[GitHub] [incubator-doris] xiaokangguo commented on pull request #6892: Simplify the use of flink connector

Posted by GitBox <gi...@apache.org>.
xiaokangguo commented on pull request #6892:
URL: https://github.com/apache/incubator-doris/pull/6892#issuecomment-950121338


   > Hi @xiaokangguo Thanks for you PR. But you forgot to modify the English doc: docs/en/extending-doris/flink-doris-connector.md
   
   Thanks for your reminding, I will finish it.


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[GitHub] [incubator-doris] xiaokangguo commented on pull request #6892: simplify the use of flink connector

Posted by GitBox <gi...@apache.org>.
xiaokangguo commented on pull request #6892:
URL: https://github.com/apache/incubator-doris/pull/6892#issuecomment-948502098


   > It is recommended to add descriptions and examples in **docs/zh-CN/extending-doris/flink-doris-connector.md** for this feature.
   
   Thanks for your advice,i will finish it.


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[GitHub] [incubator-doris] morningman edited a comment on pull request #6892: Simplify the use of flink connector

Posted by GitBox <gi...@apache.org>.
morningman edited a comment on pull request #6892:
URL: https://github.com/apache/incubator-doris/pull/6892#issuecomment-950119221


   Hi @xiaokangguo Thanks for you PR.
   But you forgot to modify the English doc: 
   docs/en/extending-doris/flink-doris-connector.md


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[GitHub] [incubator-doris] morningman commented on pull request #6892: Simplify the use of flink connector

Posted by GitBox <gi...@apache.org>.
morningman commented on pull request #6892:
URL: https://github.com/apache/incubator-doris/pull/6892#issuecomment-950119221


   Hi @xiaokangguo Thanks for you PR.
   But you forgot to modify the English doc: 


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[GitHub] [incubator-doris] github-actions[bot] commented on pull request #6892: Simplify the use of flink connector

Posted by GitBox <gi...@apache.org>.
github-actions[bot] commented on pull request #6892:
URL: https://github.com/apache/incubator-doris/pull/6892#issuecomment-949325769






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[GitHub] [incubator-doris] JNSimba commented on a change in pull request #6892: simplify the use of flink connector

Posted by GitBox <gi...@apache.org>.
JNSimba commented on a change in pull request #6892:
URL: https://github.com/apache/incubator-doris/pull/6892#discussion_r733410375



##########
File path: extension/flink-doris-connector/src/test/java/org/apache/doris/flink/DorisStreamSinkExample.java
##########
@@ -0,0 +1,251 @@
+package org.apache.doris.flink;
+
+import org.apache.doris.flink.cfg.DorisExecutionOptions;
+import org.apache.doris.flink.cfg.DorisOptions;
+import org.apache.doris.flink.cfg.DorisReadOptions;
+import org.apache.doris.flink.cfg.DorisSink;
+import org.apache.flink.api.common.functions.MapFunction;
+import org.apache.flink.api.common.serialization.SimpleStringSchema;
+import org.apache.flink.streaming.api.datastream.DataStream;
+import org.apache.flink.streaming.api.environment.StreamExecutionEnvironment;
+import org.apache.flink.streaming.connectors.kafka.FlinkKafkaConsumer;

Review comment:
       Remove unused imports




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[GitHub] [incubator-doris] xiaokangguo commented on a change in pull request #6892: simplify the use of flink connector

Posted by GitBox <gi...@apache.org>.
xiaokangguo commented on a change in pull request #6892:
URL: https://github.com/apache/incubator-doris/pull/6892#discussion_r733612644



##########
File path: extension/flink-doris-connector/src/main/java/org/apache/doris/flink/table/DorisDynamicOutputFormat.java
##########
@@ -136,30 +140,37 @@ private void checkFlushException() {
     }
 
     @Override
-    public synchronized void writeRecord(RowData row) throws IOException {
+    public synchronized void writeRecord(T row) throws IOException {
         checkFlushException();
-
         addBatch(row);
         if (executionOptions.getBatchSize() > 0 && batch.size() >= executionOptions.getBatchSize()) {
             flush();
         }
     }
 
-    private void addBatch(RowData row) {
-        Map<String, String> valueMap = new HashMap<>();
-        StringJoiner value = new StringJoiner(this.fieldDelimiter);
-        for (int i = 0; i < row.getArity() && i < fieldGetters.length; ++i) {
-            Object field = fieldGetters[i].getFieldOrNull(row);
-            if (jsonFormat) {
-                String data = field != null ? field.toString() : null;
-                valueMap.put(this.fieldNames[i], data);
-            } else {
-                String data = field != null ? field.toString() : NULL_VALUE;
-                value.add(data);
+    // 添加json字符串 本地测试
+    private void addBatch(T row) {
+        if (row instanceof RowData) {
+            RowData rowData = (RowData) row;
+            Map<String, String> valueMap = new HashMap<>();
+            StringJoiner value = new StringJoiner(this.fieldDelimiter);
+            for (int i = 0; i < rowData.getArity() && i < fieldGetters.length; ++i) {
+                Object field = fieldGetters[i].getFieldOrNull(rowData);
+                if (jsonFormat) {
+                    String data = field != null ? field.toString() : null;
+                    valueMap.put(this.fieldNames[i], data);
+                } else {
+                    String data = field != null ? field.toString() : NULL_VALUE;
+                    value.add(data);
+                }
             }
+            Object data = jsonFormat ? valueMap : value.toString();
+            batch.add(data);
+
+        }
+        if (row instanceof String) {
+            batch.add(row);

Review comment:
       I think i might know the problem,thanks for reminding me.




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[GitHub] [incubator-doris] xiaokangguo commented on a change in pull request #6892: simplify the use of flink connector

Posted by GitBox <gi...@apache.org>.
xiaokangguo commented on a change in pull request #6892:
URL: https://github.com/apache/incubator-doris/pull/6892#discussion_r733564650



##########
File path: extension/flink-doris-connector/src/main/java/org/apache/doris/flink/table/DorisDynamicOutputFormat.java
##########
@@ -136,30 +140,37 @@ private void checkFlushException() {
     }
 
     @Override
-    public synchronized void writeRecord(RowData row) throws IOException {
+    public synchronized void writeRecord(T row) throws IOException {
         checkFlushException();
-
         addBatch(row);
         if (executionOptions.getBatchSize() > 0 && batch.size() >= executionOptions.getBatchSize()) {
             flush();
         }
     }
 
-    private void addBatch(RowData row) {
-        Map<String, String> valueMap = new HashMap<>();
-        StringJoiner value = new StringJoiner(this.fieldDelimiter);
-        for (int i = 0; i < row.getArity() && i < fieldGetters.length; ++i) {
-            Object field = fieldGetters[i].getFieldOrNull(row);
-            if (jsonFormat) {
-                String data = field != null ? field.toString() : null;
-                valueMap.put(this.fieldNames[i], data);
-            } else {
-                String data = field != null ? field.toString() : NULL_VALUE;
-                value.add(data);
+    // 添加json字符串 本地测试
+    private void addBatch(T row) {
+        if (row instanceof RowData) {
+            RowData rowData = (RowData) row;
+            Map<String, String> valueMap = new HashMap<>();
+            StringJoiner value = new StringJoiner(this.fieldDelimiter);
+            for (int i = 0; i < rowData.getArity() && i < fieldGetters.length; ++i) {
+                Object field = fieldGetters[i].getFieldOrNull(rowData);
+                if (jsonFormat) {
+                    String data = field != null ? field.toString() : null;
+                    valueMap.put(this.fieldNames[i], data);
+                } else {
+                    String data = field != null ? field.toString() : NULL_VALUE;
+                    value.add(data);
+                }
             }
+            Object data = jsonFormat ? valueMap : value.toString();
+            batch.add(data);
+
+        }
+        if (row instanceof String) {
+            batch.add(row);

Review comment:
       I would like to throw some notes to tell RowData or String only,is it good for that ?




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[GitHub] [incubator-doris] JNSimba commented on pull request #6892: simplify the use of flink connector

Posted by GitBox <gi...@apache.org>.
JNSimba commented on pull request #6892:
URL: https://github.com/apache/incubator-doris/pull/6892#issuecomment-948455317


   It is recommended to add descriptions and examples in   **docs/zh-CN/extending-doris/flink-doris-connector.md**  for this feature.


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[GitHub] [incubator-doris] github-actions[bot] commented on pull request #6892: Simplify the use of flink connector

Posted by GitBox <gi...@apache.org>.
github-actions[bot] commented on pull request #6892:
URL: https://github.com/apache/incubator-doris/pull/6892#issuecomment-950128097


   PR approved by at least one committer and no changes requested.


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