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Merge pull request #82 from meta-soul/flink_cdc_test
Fix flink cdc write event order
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44 changes: 44 additions & 0 deletions
44
...soul-flink/src/main/java/org/apache/flink/lakeSoul/sink/bucket/LakeSoulCDCComparator.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,44 @@ | ||
| package org.apache.flink.lakeSoul.sink.bucket; | ||
|
|
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| import org.apache.flink.table.data.RowData; | ||
| import org.apache.flink.table.runtime.generated.RecordComparator; | ||
|
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| import java.io.Serializable; | ||
| import java.util.Comparator; | ||
|
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| public class LakeSoulCDCComparator implements Comparator<LakeSoulCDCElement>, Serializable { | ||
| private RecordComparator rc; | ||
| public LakeSoulCDCComparator(RecordComparator rc){ | ||
| this.rc=rc; | ||
| } | ||
| @Override | ||
| public int compare(LakeSoulCDCElement E1, LakeSoulCDCElement E2) { | ||
| int res=rc.compare(E1.element,E2.element); | ||
| if(res!=0){ | ||
| return res; | ||
| }else{ | ||
| res=compareLong(E1.timedata,E2.timedata); | ||
| if(res!=0){ | ||
| return res; | ||
| }else{ | ||
| return compareEvent(E1.element,E2.element); | ||
| } | ||
| } | ||
| } | ||
| public int compareLong(long e1,long e2){ | ||
| long res=e1-e2; | ||
| if(res==0){ | ||
| return 0; | ||
| }else{ | ||
| if(res<0){ | ||
| return -1; | ||
| }else{ | ||
| return 1; | ||
| } | ||
| } | ||
| } | ||
| public int compareEvent(RowData e1,RowData e2){ | ||
| return Byte.compare(e1.getRowKind().toByteValue(),e2.getRowKind().toByteValue()); | ||
| } | ||
|
|
||
| } |
30 changes: 30 additions & 0 deletions
30
lakesoul-flink/src/main/java/org/apache/flink/lakeSoul/sink/bucket/LakeSoulCDCElement.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,30 @@ | ||
| /* | ||
| * | ||
| * Copyright [2022] [DMetaSoul Team] | ||
| * | ||
| * Licensed 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.lakeSoul.sink.bucket; | ||
|
|
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| import org.apache.flink.table.data.RowData; | ||
|
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| public class LakeSoulCDCElement { | ||
| public RowData element; | ||
| public long timedata; | ||
| public LakeSoulCDCElement(RowData rd, long td){ | ||
| this.element=rd; | ||
| this.timedata=td; | ||
| } | ||
| } |
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