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[英]Elastic Search - Search using multiple indexes with documents that have different data structures
[英]How can we delete multiple documents at once in elastic search that belongs to different indexes?
我知道我們有delete_by_query
API 可以完成這項工作,但我正在尋找使用批量 API 的解決方案。我試圖遵循https://www.elastic.co/guide/en/elasticsearch/reference/current/docs- bulk.html但它僅在我們從一個索引中刪除文檔時才起作用。 如果我們有多個以逗號 (,) 分隔的索引,例如index1,index2
,那該怎么辦
您可以像這樣構建請求:
PUT _bulk
{ "delete" : { "_index" : "products", "_id" : 1 } }
{ "delete" : { "_index" : "idx_movies", "_id" : 1 } }
在不同的索引中刪除相同的_id。
響應將是(如果找到文檔,將被刪除,否則將找不到響應:
{
"took" : 6,
"errors" : false,
"items" : [
{
"delete" : {
"_index" : "products",
"_type" : "_doc",
"_id" : "1",
"_version" : 2,
"result" : "deleted",
"_shards" : {
"total" : 2,
"successful" : 1,
"failed" : 0
},
"_seq_no" : 7,
"_primary_term" : 1,
"status" : 200
}
},
{
"delete" : {
"_index" : "idx_movies",
"_type" : "_doc",
"_id" : "1",
"_version" : 1,
"result" : "not_found",
"_shards" : {
"total" : 2,
"successful" : 1,
"failed" : 0
},
"_seq_no" : 1012,
"_primary_term" : 2,
"status" : 404
}
}
]
}
您可以使用具有不同索引名稱的Bulk API ,如下所示:
POST _bulk
{ "delete" : { "_index" : "index1", "_id" : "1" } }
{ "delete" : { "_index" : "index1", "_id" : "2" } }
{ "delete" : { "_index" : "index2", "_id" : "3" } }
{ "delete" : { "_index" : "index3", "_id" : "4" } }
類似的,您也可以使用 Elastic Java 或任何其他語言客戶端來實現。
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