tbl_validation-class: Validation object for 'tbl' object
In validatedb: Validate Data in a Database using 'validate'

Validation information for a database tbl, result of a confront.tbl_sql().

The tbl_validation object contains all information needed for the confrontation of validation rules with the data in the database table. It contains:

$query: a dbplyr::tbl_dbi object with the query to be executed on the database
$tbl: the dbplyr::tbl_dbi pointing to the table in the database
$key: Whether there is a key column, and if so, what it is.
$record_based: logical with which rules are record based.
$exprs: list of validation rule expressions
$working: logical, which of the rules work on the database. (whether the database supports this expression)
$errors: list of validation rules that did not execute on the database.
$sparse: If TRUE the query is stored as a sparse validation object.