No truncation (max length)

string_truncation - Column-level - String

Validates that no value is at or beyond the column's maximum length, catching possible truncation.

Parameters

Parameter	Type	Default	Required	Description
max_length	int	none	No	Maximum length before a value is considered truncated. Resolved from the column's own metadata when not set.
threshold_percent	float	0.0	No	Fail if the percentage of values at or beyond the maximum length exceeds this.

YAML example

checks:
  - name: example_string_truncation
    check_type: string_truncation
    table_name: schema.table
    column_name: example_column
    parameters:
      threshold_percent: 0.0

See YAML check format for the full field reference.