curl http//:127.0.0.1:9200/_cat/indices?v 所有索引 curl http//:127.0.0.1:9200/health?pretty 健康状态 curl http//:127.0.0.1:9200/product/_doc1 查看某个索引 curl http//:127.0.0.1:9200/product/mappings 查看映射关系 cutl put http//:127.0.0.1:9200/product/_doc/1 给product建立一个1索引的文档信息 { "name":"芋头", "da":"2020-10-10 10:10:10", "price":66, "jiage":66.6 } POST http//:127.0.0.1:9200/product/_update/1 更新索引的一个字段 { "doc":{ "price":9999 //price一定是上面创建时存在的字段，不然就相当于给索引加了一个新字段 } } cutl POST http//:127.0.0.1:9200/product/open 打开索引 cutl POST http//:127.0.0.1:9200/product/close 关闭索引 cutl http//:127.0.0.1:9200/product/_search查看索引product下的文档数据 cutl http//:127.0.0.1:9200/_cluster/health 集群健康状态
修改索引字段类型 查看原来的映射关系 GET /wangb/_mapping { "wangb" : { "mappings" : { "properties" : { "da" : { "type" : "text", "fields" : { "keyword" : { "type" : "keyword", "ignore_above" : 256 } } }, "jiage" : { "type" : "float" }, "name" : { "type" : "text", "fields" : { "keyword" : { "type" : "keyword", "ignore_above" : 256 } } }, "price" : { "type" : "long" } } } } } 我想把我想把price改成float PUT wbbb { "mappings": { "properties": { "da": { "type": "text", "fields": { "keyword": { "type": "keyword", "ignore_above": 256 } } }, "jiage": { "type": "float" }, "name": { "type": "text", "fields": { "keyword": { "type": "keyword", "ignore_above": 256 } } }, "price": { "type": "float" } } } } 然后再执行如下命令 POST _reindex { "source": { "index": "wangb" }, "dest": { "index": "wbbb" } } 删除原来的索引 DELETE /wangb 查看新的映射关系 GET /wbbb/_mapping
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