The Elasticsearch document is in JavaScript Object Notation (JSON) format. In JSON, the valid datatypes are string, number, JSON object, array, Boolean, and null. The JSON data value and the mapping rules will determine the final datatype of the document field. The following table describes the mapping rules:
|
JSON datatype |
Value |
Setting in mapping |
Mapped datatype |
|
string |
string |
text |
|
|
date |
date_detection=true |
date |
|
|
integer |
numeric_detection=true |
long |
|
|
floating point |
numeric_detection=true |
float |
|
|
number |
integer |
long |
|
|
floating point |
float |
||
|
JSON object |
object |
||
|
array |
supported data type |
Datatype of the first element |
|
|
boolean |
true/false |
Boolean |
|
|
null |
