template字段用来匹配索引名字
keyword是String的一种子类型，说明字段是not not_analyzed
使用的时候将//开头的两行注释去掉1
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64PUT /_template/template1
{
"order": 0,
"template": "index*",
"mappings": {
"_default_": {
"dynamic_templates": [
//针对特别字段进行定义
{
"long_to_date": {
"mapping": {
"doc_values": true,
"type": "date"
},
"match": "dt",
"match_mapping_type": "long"
}
},
//以下是通用字段定义
{
"long2integer": {
"mapping": {
"doc_values": true,
"type": "integer"
},
"match": "*",
"unmatch":"dt",
"match_mapping_type": "long"
}
},
{
"string2keyword": {
"mapping": {
"index": "not_analyzed",
"omit_norms": true,
"doc_values": true,
"type": "keyword"
},
"match": "*",
"match_mapping_type": "string"
}
},
{
"date": {
"mapping": {
"doc_values": true,
"type": "date",
"format":"strict_date_optional_time||epoch_millis"
},
"match": "*",
"match_mapping_type": "date"
}
}
],
"_all": {
"enabled": false
}
}
}
}