OpenSearch/docs/reference/common-options.asciidoc

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[[search-common-options]]
== Common Options
=== Pretty Results
When appending `?pretty=true` to any request made, the JSON returned
will be pretty formatted (use it for debugging only!). Another option is
to set `format=yaml` which will cause the result to be returned in the
(sometimes) more readable yaml format.
=== Human readable output
Statistics are returned in a format suitable for humans
(eg `"exists_time": "1h"` or `"size": "1kb"`) and for computers
(eg `"exists_time_in_millis": 3600000`` or `"size_in_bytes": 1024`).
The human readable values can be turned off by adding `?human=false`
to the query string. This makes sense when the stats results are
being consumed by a monitoring tool, rather than intended for human
consumption. The default for the `human` flag is
`false`. added[1.00.Beta,Previously defaulted to `true`]
=== Parameters
Rest parameters (when using HTTP, map to HTTP URL parameters) follow the
convention of using underscore casing.
=== Boolean Values
All REST APIs parameters (both request parameters and JSON body) support
providing boolean "false" as the values: `false`, `0`, `no` and `off`.
All other values are considered "true". Note, this is not related to
fields within a document indexed treated as boolean fields.
=== Number Values
All REST APIs support providing numbered parameters as `string` on top
of supporting the native JSON number types.
=== Result Casing
All REST APIs accept the `case` parameter. When set to `camelCase`, all
field names in the result will be returned in camel casing, otherwise,
underscore casing will be used. Note, this does not apply to the source
document indexed.
=== JSONP
All REST APIs accept a `callback` parameter resulting in a
http://en.wikipedia.org/wiki/JSONP[JSONP] result.
=== Request body in query string
For libraries that don't accept a request body for non-POST requests,
you can pass the request body as the `source` query string parameter
instead.