CustomSeparatedWithNamesAndTypes

Documentation for the CustomSeparatedWithNamesAndTypes format

Input	Output	Alias
✔	✔

Description

Also prints two header rows with column names and types, similar to TabSeparatedWithNamesAndTypes.

Example usage

Inserting data

Using the following txt file, named as football.txt:

row('date';'season';'home_team';'away_team';'home_team_goals';'away_team_goals'),row('Date';'Int16';'LowCardinality(String)';'LowCardinality(String)';'Int8';'Int8'),row('2022-04-30';2021;'Sutton United';'Bradford City';1;4),row('2022-04-30';2021;'Swindon Town';'Barrow';2;1),row('2022-04-30';2021;'Tranmere Rovers';'Oldham Athletic';2;0),row('2022-05-02';2021;'Port Vale';'Newport County';1;2),row('2022-05-02';2021;'Salford City';'Mansfield Town';2;2),row('2022-05-07';2021;'Barrow';'Northampton Town';1;3),row('2022-05-07';2021;'Bradford City';'Carlisle United';2;0),row('2022-05-07';2021;'Bristol Rovers';'Scunthorpe United';7;0),row('2022-05-07';2021;'Exeter City';'Port Vale';0;1),row('2022-05-07';2021;'Harrogate Town A.F.C.';'Sutton United';0;2),row('2022-05-07';2021;'Hartlepool United';'Colchester United';0;2),row('2022-05-07';2021;'Leyton Orient';'Tranmere Rovers';0;1),row('2022-05-07';2021;'Mansfield Town';'Forest Green Rovers';2;2),row('2022-05-07';2021;'Newport County';'Rochdale';0;2),row('2022-05-07';2021;'Oldham Athletic';'Crawley Town';3;3),row('2022-05-07';2021;'Stevenage Borough';'Salford City';4;2),row('2022-05-07';2021;'Walsall';'Swindon Town';0;3)

Configure the custom delimiter settings:

SET format_custom_row_before_delimiter = 'row(';
SET format_custom_row_after_delimiter = ')';
SET format_custom_field_delimiter = ';';
SET format_custom_row_between_delimiter = ',';
SET format_custom_escaping_rule = 'Quoted';

Insert the data:

INSERT INTO football FROM INFILE 'football.txt' FORMAT CustomSeparatedWithNamesAndTypes;

Reading data

Configure the custom delimiter settings:

SET format_custom_row_before_delimiter = 'row(';
SET format_custom_row_after_delimiter = ')';
SET format_custom_field_delimiter = ';';
SET format_custom_row_between_delimiter = ',';
SET format_custom_escaping_rule = 'Quoted';

Read data using the CustomSeparatedWithNamesAndTypes format:

SELECT *
FROM football
FORMAT CustomSeparatedWithNamesAndTypes

The output will be in the configured custom format:

row('date';'season';'home_team';'away_team';'home_team_goals';'away_team_goals'),row('Date';'Int16';'LowCardinality(String)';'LowCardinality(String)';'Int8';'Int8'),row('2022-04-30';2021;'Sutton United';'Bradford City';1;4),row('2022-04-30';2021;'Swindon Town';'Barrow';2;1),row('2022-04-30';2021;'Tranmere Rovers';'Oldham Athletic';2;0),row('2022-05-02';2021;'Port Vale';'Newport County';1;2),row('2022-05-02';2021;'Salford City';'Mansfield Town';2;2),row('2022-05-07';2021;'Barrow';'Northampton Town';1;3),row('2022-05-07';2021;'Bradford City';'Carlisle United';2;0),row('2022-05-07';2021;'Bristol Rovers';'Scunthorpe United';7;0),row('2022-05-07';2021;'Exeter City';'Port Vale';0;1),row('2022-05-07';2021;'Harrogate Town A.F.C.';'Sutton United';0;2),row('2022-05-07';2021;'Hartlepool United';'Colchester United';0;2),row('2022-05-07';2021;'Leyton Orient';'Tranmere Rovers';0;1),row('2022-05-07';2021;'Mansfield Town';'Forest Green Rovers';2;2),row('2022-05-07';2021;'Newport County';'Rochdale';0;2),row('2022-05-07';2021;'Oldham Athletic';'Crawley Town';3;3),row('2022-05-07';2021;'Stevenage Borough';'Salford City';4;2),row('2022-05-07';2021;'Walsall';'Swindon Town';0;3)

Format settings

If setting input_format_with_names_use_header is set to 1, the columns from input data will be mapped to the columns from the table by their names, columns with unknown names will be skipped if setting input_format_skip_unknown_fields is set to 1. Otherwise, the first row will be skipped.

If setting input_format_with_types_use_header is set to 1, the types from input data will be compared with the types of the corresponding columns from the table. Otherwise, the second row will be skipped.