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ClickHouse/docs/reference/formats/JSON/JSONCompactStringsEachRow.mdx
Alexey MilovidovandClaude Opus 4.8 da800c515f Docs: autogenerate 65 format reference pages from system.formats
Extend the generator to formats (generate-formats.sql + format_generators in
the port, same mechanism as engines). Convert the 65 format pages whose
structured docs reproduce the page (content-neutral / whitespace-only).

Deferred (kept hand-written): pages that include shared Mintlify snippets
(<PrettyFormatSettings/>, <RowBinaryFormatSettings/>, <DataTypeMapping/> from
/snippets/) which the Docusaurus->Mintlify transform can't synthesize, and a
few (Values, HiveText, Arrow, ArrowStream, Parquet) whose structured
description is less complete than the page and needs enriching.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
2026-07-12 20:52:34 +00:00

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---
alias: []
description: 'Documentation for the JSONCompactStringsEachRow format'
input_format: true
keywords: ['JSONCompactStringsEachRow']
output_format: true
slug: /interfaces/formats/JSONCompactStringsEachRow
title: 'JSONCompactStringsEachRow'
doc_type: 'reference'
---
{/*AUTOGENERATED_START*/}
| Input | Output | Alias |
|-------|--------|-------|
| ✔ | ✔ | |
## Description {#description}
Differs from [`JSONCompactEachRow`](/reference/formats/JSON/JSONCompactEachRow) only in that data fields are output as strings, not as typed JSON values.
## Example usage {#example-usage}
### Inserting data {#inserting-data}
Using a JSON file with the following data, named as `football.json`:
```json
["2022-04-30", "2021", "Sutton United", "Bradford City", "1", "4"]
["2022-04-30", "2021", "Swindon Town", "Barrow", "2", "1"]
["2022-04-30", "2021", "Tranmere Rovers", "Oldham Athletic", "2", "0"]
["2022-05-02", "2021", "Port Vale", "Newport County", "1", "2"]
["2022-05-02", "2021", "Salford City", "Mansfield Town", "2", "2"]
["2022-05-07", "2021", "Barrow", "Northampton Town", "1", "3"]
["2022-05-07", "2021", "Bradford City", "Carlisle United", "2", "0"]
["2022-05-07", "2021", "Bristol Rovers", "Scunthorpe United", "7", "0"]
["2022-05-07", "2021", "Exeter City", "Port Vale", "0", "1"]
["2022-05-07", "2021", "Harrogate Town A.F.C.", "Sutton United", "0", "2"]
["2022-05-07", "2021", "Hartlepool United", "Colchester United", "0", "2"]
["2022-05-07", "2021", "Leyton Orient", "Tranmere Rovers", "0", "1"]
["2022-05-07", "2021", "Mansfield Town", "Forest Green Rovers", "2", "2"]
["2022-05-07", "2021", "Newport County", "Rochdale", "0", "2"]
["2022-05-07", "2021", "Oldham Athletic", "Crawley Town", "3", "3"]
["2022-05-07", "2021", "Stevenage Borough", "Salford City", "4", "2"]
["2022-05-07", "2021", "Walsall", "Swindon Town", "0", "3"]
```
Insert the data:
```sql
INSERT INTO football FROM INFILE 'football.json' FORMAT JSONCompactStringsEachRow;
```
### Reading data {#reading-data}
Read data using the `JSONCompactStringsEachRow` format:
```sql
SELECT *
FROM football
FORMAT JSONCompactStringsEachRow
```
The output will be in JSON format:
```json
["2022-04-30", "2021", "Sutton United", "Bradford City", "1", "4"]
["2022-04-30", "2021", "Swindon Town", "Barrow", "2", "1"]
["2022-04-30", "2021", "Tranmere Rovers", "Oldham Athletic", "2", "0"]
["2022-05-02", "2021", "Port Vale", "Newport County", "1", "2"]
["2022-05-02", "2021", "Salford City", "Mansfield Town", "2", "2"]
["2022-05-07", "2021", "Barrow", "Northampton Town", "1", "3"]
["2022-05-07", "2021", "Bradford City", "Carlisle United", "2", "0"]
["2022-05-07", "2021", "Bristol Rovers", "Scunthorpe United", "7", "0"]
["2022-05-07", "2021", "Exeter City", "Port Vale", "0", "1"]
["2022-05-07", "2021", "Harrogate Town A.F.C.", "Sutton United", "0", "2"]
["2022-05-07", "2021", "Hartlepool United", "Colchester United", "0", "2"]
["2022-05-07", "2021", "Leyton Orient", "Tranmere Rovers", "0", "1"]
["2022-05-07", "2021", "Mansfield Town", "Forest Green Rovers", "2", "2"]
["2022-05-07", "2021", "Newport County", "Rochdale", "0", "2"]
["2022-05-07", "2021", "Oldham Athletic", "Crawley Town", "3", "3"]
["2022-05-07", "2021", "Stevenage Borough", "Salford City", "4", "2"]
["2022-05-07", "2021", "Walsall", "Swindon Town", "0", "3"]
```
## Format settings {#format-settings}
{/*AUTOGENERATED_END*/}