Elasticsearch study notes the -mget

mget English meaning: Multi Get API

It allows us to get a large number of document

mget query is based on the index, type (optional), id three conditions ( must have index and the above mentioned id )

mget can not be used to query

1, do not use the specified index

GET /_mget 
{
    "docs" : [
        {
            "_index" : "test",
            "_type" : "_doc",
            "_id" : "1"
        },
        {
            "_index" : "test",
            "_type" : "_doc",
            "_id" : "2"
        }
    ]
}

2, use the specified index

GET /test/_mget
{
    "docs" : [
        {
            "_type" : "_doc",
            "_id" : "1"
        },
        {
            "_type" : "_doc",
            "_id" : "2"
        }
    ]
}