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InputOutputAlias
✔✔

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Description

Similar to the TabSeparated format, but outputs a value in name=value format. Names are escaped the same way as in the TabSeparated format, and the = symbol is also escaped. 
SearchPhrase=   count()=8267016
SearchPhrase=bathroom interior design    count()=2166
SearchPhrase=clickhouse     count()=1655
SearchPhrase=2014 spring fashion    count()=1549
SearchPhrase=freeform photos       count()=1480
SearchPhrase=angelina jolie    count()=1245
SearchPhrase=omsk       count()=1112
SearchPhrase=photos of dog breeds    count()=1091
SearchPhrase=curtain designs        count()=1064
SearchPhrase=baku       count()=1000
Query
SELECT * FROM t_null FORMAT TSKV
Response
x=1    y=\N
When there are a large number of small columns, this format is ineffective, and there is generally no reason to use it. Nevertheless, it is no worse than the JSONEachRow format in terms of efficiency.
For parsing, any order is supported for the values of the different columns. It is acceptable for some values to be omitted as they are treated as equal to their default values. In this case, zeros and blank rows are used as default values. Complex values that could be specified in the table are not supported as defaults. Parsing allows an additional field tskv to be added without the equal sign or a value. This field is ignored. During import, columns with unknown names will be skipped, if setting input_format_skip_unknown_fields is set to 1. NULL is formatted as \N.

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Example usage

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Inserting data

Using the following tskv file, named as football.tskv: 
date=2022-04-30 season=2021     home_team=Sutton United away_team=Bradford City home_team_goals=1       away_team_goals=4
date=2022-04-30 season=2021     home_team=Swindon Town  away_team=Barrow        home_team_goals=2       away_team_goals=1
date=2022-04-30 season=2021     home_team=Tranmere Rovers       away_team=Oldham Athletic       home_team_goals=2       away_team_goals=0
date=2022-05-02 season=2021     home_team=Port Vale     away_team=Newport County        home_team_goals=1       away_team_goals=2
date=2022-05-02 season=2021     home_team=Salford City  away_team=Mansfield Town        home_team_goals=2       away_team_goals=2
date=2022-05-07 season=2021     home_team=Barrow        away_team=Northampton Town      home_team_goals=1       away_team_goals=3
date=2022-05-07 season=2021     home_team=Bradford City away_team=Carlisle United       home_team_goals=2       away_team_goals=0
date=2022-05-07 season=2021     home_team=Bristol Rovers        away_team=Scunthorpe United     home_team_goals=7       away_team_goals=0
date=2022-05-07 season=2021     home_team=Exeter City   away_team=Port Vale     home_team_goals=0       away_team_goals=1
date=2022-05-07 season=2021     home_team=Harrogate Town A.F.C. away_team=Sutton United home_team_goals=0       away_team_goals=2
date=2022-05-07 season=2021     home_team=Hartlepool United     away_team=Colchester United     home_team_goals=0       away_team_goals=2
date=2022-05-07 season=2021     home_team=Leyton Orient away_team=Tranmere Rovers       home_team_goals=0       away_team_goals=1
date=2022-05-07 season=2021     home_team=Mansfield Town        away_team=Forest Green Rovers   home_team_goals=2       away_team_goals=2
date=2022-05-07 season=2021     home_team=Newport County        away_team=Rochdale      home_team_goals=0       away_team_goals=2
date=2022-05-07 season=2021     home_team=Oldham Athletic       away_team=Crawley Town  home_team_goals=3       away_team_goals=3
date=2022-05-07 season=2021     home_team=Stevenage Borough     away_team=Salford City  home_team_goals=4       away_team_goals=2
date=2022-05-07 season=2021     home_team=Walsall       away_team=Swindon Town  home_team_goals=0       away_team_goals=3
Insert the data: 
INSERT INTO football FROM INFILE 'football.tskv' FORMAT TSKV;

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Reading data

Read data using the TSKV format: 
SELECT *
FROM football
FORMAT TSKV
The output will be in tab separated format with two header rows for column names and types: 
date=2022-04-30 season=2021     home_team=Sutton United away_team=Bradford City home_team_goals=1       away_team_goals=4
date=2022-04-30 season=2021     home_team=Swindon Town  away_team=Barrow        home_team_goals=2       away_team_goals=1
date=2022-04-30 season=2021     home_team=Tranmere Rovers       away_team=Oldham Athletic       home_team_goals=2       away_team_goals=0
date=2022-05-02 season=2021     home_team=Port Vale     away_team=Newport County        home_team_goals=1       away_team_goals=2
date=2022-05-02 season=2021     home_team=Salford City  away_team=Mansfield Town        home_team_goals=2       away_team_goals=2
date=2022-05-07 season=2021     home_team=Barrow        away_team=Northampton Town      home_team_goals=1       away_team_goals=3
date=2022-05-07 season=2021     home_team=Bradford City away_team=Carlisle United       home_team_goals=2       away_team_goals=0
date=2022-05-07 season=2021     home_team=Bristol Rovers        away_team=Scunthorpe United     home_team_goals=7       away_team_goals=0
date=2022-05-07 season=2021     home_team=Exeter City   away_team=Port Vale     home_team_goals=0       away_team_goals=1
date=2022-05-07 season=2021     home_team=Harrogate Town A.F.C. away_team=Sutton United home_team_goals=0       away_team_goals=2
date=2022-05-07 season=2021     home_team=Hartlepool United     away_team=Colchester United     home_team_goals=0       away_team_goals=2
date=2022-05-07 season=2021     home_team=Leyton Orient away_team=Tranmere Rovers       home_team_goals=0       away_team_goals=1
date=2022-05-07 season=2021     home_team=Mansfield Town        away_team=Forest Green Rovers   home_team_goals=2       away_team_goals=2
date=2022-05-07 season=2021     home_team=Newport County        away_team=Rochdale      home_team_goals=0       away_team_goals=2
date=2022-05-07 season=2021     home_team=Oldham Athletic       away_team=Crawley Town  home_team_goals=3       away_team_goals=3
date=2022-05-07 season=2021     home_team=Stevenage Borough     away_team=Salford City  home_team_goals=4       away_team_goals=2
date=2022-05-07 season=2021     home_team=Walsall       away_team=Swindon Town  home_team_goals=0       away_team_goals=3

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Format settings