RowBinaryWithNames - ClickHouse Documentation

Input	Output	Alias
✔	✔

Description

Similar to the RowBinary format, but with added header:

LEB128-encoded number of columns (N).
N Strings specifying column names.

Example usage

Format settings

The following settings are common to all RowBinary type formats.

Setting	Description	Default
`format_binary_max_string_size`	The maximum allowed size for String in RowBinary format.	`1GiB`
`output_format_binary_encode_types_in_binary_format`	Allows to write types in header using `binary encoding` instead of strings with type names in `RowBinaryWithNamesAndTypes` output format.	`false`
`input_format_binary_decode_types_in_binary_format`	Allows to read types in header using `binary encoding` instead of strings with type names in `RowBinaryWithNamesAndTypes` input format.	`false`
`output_format_binary_write_json_as_string`	Allows to write values of the `JSON` data type as `JSON` String values in `RowBinary` output format.	`false`
`input_format_binary_read_json_as_string`	Allows to read values of the `JSON` data type as `JSON` String values in `RowBinary` input format.	`false`

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.

Last modified on June 23, 2026

RowBinaryWithNamesAndTypesDocumentation for the RowBinaryWithNamesAndTypes format