col_info function

Column Information for Backend

Collects column information for backend.

Currently, this includes:

• storage type
• levels (factor / ordered), but not for the primary key column

col_info(x, ...)

## S3 method for class 'data.table'
col_info(x, primary_key = character(), ...)

## S3 method for class 'DataBackend'
col_info(x, ...)

Arguments

• x: (any)

  A backend-like object for which to retrieve column information.

• ...: (any)

  Additional arguments.

• primary_key: (character())

  The primary key of the backend.