Create
PUT http://192.168.56.101:9200/school/student/1，自动创建school索引，学生类型，最后指定id为1
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| {
"name":"许薇",
"class":"计算机科学与技术1班",
"sc_id":"001",
"from":"广州",
"birth":"1993-1-1"
}
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成功添加后返回下面JSON内容
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| {
"_index": "school",
"_type": "student",
"_id": "1",
"_version": 1,
"_shards": {
"total": 2,
"successful": 1,
"failed": 0
},
"created": true
}
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Update
POST http://192.168.56.101:9200/school/student/1/_update，发送要更新的字段，例如
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| {
"script":"ctx._source.from=\"深圳\""
}
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更新成功后，_version字段会+1
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| {
"_index": "school",
"_type": "student",
"_id": "1",
"_version": 4,
"_shards": {
"total": 2,
"successful": 1,
"failed": 0
}
}
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再次查询，可以看到from字段是更新了的
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| {
"_index": "school",
"_type": "student",
"_id": "1",
"_version": 4,
"found": true,
"_source": {
"name": "许薇",
"class": "计算机科学与技术1班",
"sc_id": "001",
"from": "深圳",
"birth": "1993-1-1"
}
}
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Read
GET http://192.168.56.101:9200/school/student/1，成功查询到则返回下面JSON数据：
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| {
"_index": "school",
"_type": "student",
"_id": "1",
"_version": 1,
"found": true,
"_source": {
"name": "许薇",
"class": "计算机科学与技术1班",
"sc_id": "001",
"from": "深圳",
"birth": "1993-1-1"
}
}
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Delete
DELETE http://192.168.56.101:9200/school/student/2，
成功删除后返回下面JSON信息，其中_version也会+1；
文档删除后，ES保留了删除文档的版本信息，所以仍然可以检查该版本号。
默认情况下，版本信息在删除的60秒内可用，可以通过index.gc_deletes修改可用时间。
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| {
"found": true,
"_index": "school",
"_type": "student",
"_id": "2",
"_version": 2,
"_shards": {
"total": 2,
"successful": 1,
"failed": 0
}
}
|