Response Data Formatsedit

While the textual format is nice for humans, computers prefer something more structured.

Elasticsearch SQL can return the data in the following formats which can be set either through the format property in the URL or by setting the Accept HTTP header:

Note

The URL parameter takes precedence over the Accept HTTP header. If neither is specified then the response is returned in the same format as the request.

format

Accept HTTP header

Description

Human Readable

csv

text/csv

Comma-separated values

json

application/json

JSON (JavaScript Object Notation) human-readable format

tsv

text/tab-separated-values

Tab-separated values

txt

text/plain

CLI-like representation

yaml

application/yaml

YAML (YAML Ain’t Markup Language) human-readable format

Binary Formats

cbor

application/cbor

Concise Binary Object Representation

smile

application/smile

Smile binary data format similar to CBOR

Here are some examples for the human readable formats:

CSVedit

POST /_sql?format=csv
{
    "query": "SELECT * FROM library ORDER BY page_count DESC",
    "fetch_size": 5
}

Which returns:

author,name,page_count,release_date
Peter F. Hamilton,Pandora's Star,768,2004-03-02T00:00:00.000Z
Vernor Vinge,A Fire Upon the Deep,613,1992-06-01T00:00:00.000Z
Frank Herbert,Dune,604,1965-06-01T00:00:00.000Z
Alastair Reynolds,Revelation Space,585,2000-03-15T00:00:00.000Z
James S.A. Corey,Leviathan Wakes,561,2011-06-02T00:00:00.000Z

JSONedit

POST /_sql?format=json
{
    "query": "SELECT * FROM library ORDER BY page_count DESC",
    "fetch_size": 5
}

Which returns:

{
    "columns": [
        {"name": "author",       "type": "text"},
        {"name": "name",         "type": "text"},
        {"name": "page_count",   "type": "short"},
        {"name": "release_date", "type": "datetime"}
    ],
    "rows": [
        ["Peter F. Hamilton",  "Pandora's Star",       768, "2004-03-02T00:00:00.000Z"],
        ["Vernor Vinge",       "A Fire Upon the Deep", 613, "1992-06-01T00:00:00.000Z"],
        ["Frank Herbert",      "Dune",                 604, "1965-06-01T00:00:00.000Z"],
        ["Alastair Reynolds",  "Revelation Space",     585, "2000-03-15T00:00:00.000Z"],
        ["James S.A. Corey",   "Leviathan Wakes",      561, "2011-06-02T00:00:00.000Z"]
    ],
    "cursor": "sDXF1ZXJ5QW5kRmV0Y2gBAAAAAAAAAAEWWWdrRlVfSS1TbDYtcW9lc1FJNmlYdw==:BAFmBmF1dGhvcgFmBG5hbWUBZgpwYWdlX2NvdW50AWYMcmVsZWFzZV9kYXRl+v///w8="
}

TSVedit

POST /_sql?format=tsv
{
    "query": "SELECT * FROM library ORDER BY page_count DESC",
    "fetch_size": 5
}

Which returns:

author	name	page_count	release_date
Peter F. Hamilton	Pandora's Star	768	2004-03-02T00:00:00.000Z
Vernor Vinge	A Fire Upon the Deep	613	1992-06-01T00:00:00.000Z
Frank Herbert	Dune	604	1965-06-01T00:00:00.000Z
Alastair Reynolds	Revelation Space	585	2000-03-15T00:00:00.000Z
James S.A. Corey	Leviathan Wakes	561	2011-06-02T00:00:00.000Z

TXTedit

POST /_sql?format=txt
{
    "query": "SELECT * FROM library ORDER BY page_count DESC",
    "fetch_size": 5
}

Which returns:

     author      |        name        |  page_count   |      release_date
-----------------+--------------------+---------------+------------------------
Peter F. Hamilton|Pandora's Star      |768            |2004-03-02T00:00:00.000Z
Vernor Vinge     |A Fire Upon the Deep|613            |1992-06-01T00:00:00.000Z
Frank Herbert    |Dune                |604            |1965-06-01T00:00:00.000Z
Alastair Reynolds|Revelation Space    |585            |2000-03-15T00:00:00.000Z
James S.A. Corey |Leviathan Wakes     |561            |2011-06-02T00:00:00.000Z

YAMLedit

POST /_sql?format=yaml
{
    "query": "SELECT * FROM library ORDER BY page_count DESC",
    "fetch_size": 5
}

Which returns:

columns:
- name: "author"
  type: "text"
- name: "name"
  type: "text"
- name: "page_count"
  type: "short"
- name: "release_date"
  type: "datetime"
rows:
- - "Peter F. Hamilton"
  - "Pandora's Star"
  - 768
  - "2004-03-02T00:00:00.000Z"
- - "Vernor Vinge"
  - "A Fire Upon the Deep"
  - 613
  - "1992-06-01T00:00:00.000Z"
- - "Frank Herbert"
  - "Dune"
  - 604
  - "1965-06-01T00:00:00.000Z"
- - "Alastair Reynolds"
  - "Revelation Space"
  - 585
  - "2000-03-15T00:00:00.000Z"
- - "James S.A. Corey"
  - "Leviathan Wakes"
  - 561
  - "2011-06-02T00:00:00.000Z"
cursor: "sDXF1ZXJ5QW5kRmV0Y2gBAAAAAAAAAAEWWWdrRlVfSS1TbDYtcW9lc1FJNmlYdw==:BAFmBmF1dGhvcgFmBG5hbWUBZgpwYWdlX2NvdW50AWYMcmVsZWFzZV9kYXRl+v///w8="