Add milvusReader and milvusWriter to support read and write data for milvus #2249
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nianliuu
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ziming-ai
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Dec 2, 2024
milvuswriter/src/main/java/com/alibaba/datax/plugin/writer/milvuswriter/MilvusWriter.java
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ziming-ai
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Dec 27, 2024
| @Override | ||
| public void destroy() { | ||
| log.info("Closing Milvus writer, committing data and closing connection"); | ||
| this.milvusBufferWriter.commit(); |
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this.milvusBufferWriter.commit()这个感觉放到startWrite while后，判断下不为空做一次好些。便于理解和维护
| .collectionName(collection) | ||
| .data(dataCache) | ||
| .build(); | ||
| milvusClientV2.upsert(upsertReq); |
| .uri(writerSliceConfig.getString(KeyConstant.URI)) | ||
| .token(writerSliceConfig.getString(KeyConstant.TOKEN)) | ||
| .build(); | ||
| if(writerSliceConfig.getString(KeyConstant.DATABASE) == null) { |
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| @Getter | ||
| public enum SchemaCreateMode { | ||
| CREATE_WHEN_NOT_EXIST(0), |
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建议还是用字符串来表示，而不是int，这样任务配置可读性会高很多
● createWhenTableNotExit
● Ignore
● recreate
| } | ||
| UpsertReq upsertReq = UpsertReq.builder() | ||
| .collectionName(collection) | ||
| .data(dataCache) |
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这里看着没有写入对应配置的partition，直接写到了默认partition。 如果配置了partition应该要写到对应partition下
| package com.alibaba.datax.plugin.writer.milvuswriter; | ||
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| public class KeyConstant { | ||
| public static final String URI = "uri"; |
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uri改成endpoint吧，datax里基本都用endpoint做参数配置
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Overview
Add MilvusReader and MilvusWriter to support read and write data for milvus
Code Change
Currently, DataX provider no support for vector data, in this PR, we introduced milvusread and writer plugin, which support moving data between milvus
we support the following vector type for now:
Test
tested with data-x example to migrate data from one milvus to another
Limitation