参考
SQL 入门
要开始使用弹性搜索 SQL,请创建一个索引,其中包含一些要试验的数据:
PUT /library/_bulk?refresh
{"index":{"_id": "Leviathan Wakes"}}
{"name": "Leviathan Wakes", "author": "James S.A. Corey", "release_date": "2011-06-02", "page_count": 561}
{"index":{"_id": "Hyperion"}}
{"name": "Hyperion", "author": "Dan Simmons", "release_date": "1989-05-26", "page_count": 482}
{"index":{"_id": "Dune"}}
{"name": "Dune", "author": "Frank Herbert", "release_date": "1965-06-01", "page_count": 604}
现在,您可以使用 SQL 搜索 API 执行 SQL:
POST /_sql?format=txt
{
"query": "SELECT * FROM library WHERE release_date < '2000-01-01'"
}
返回
author | name | page_count | release_date
---------------+---------------+---------------+------------------------
Dan Simmons |Hyperion |482 |1989-05-26T00:00:00.000Z
Frank Herbert |Dune |604 |1965-06-01T00:00:00.000Z
您还可以使用 SQL 命令行管理单元。有一个脚本可以在 x-pack 的 bin 目录中启动它:
./bin/elasticsearch-sql-cli
从那里,您可以运行相同的查询: