Checksum/hash validation

binary_checksum - Column-level - Binary

Validates that a stored checksum or hash matches the value computed from the binary data.

Parameters

Parameter	Type	Default	Required	Description
algorithm	str	'sha256'	No	Hash algorithm to use, e.g. sha256 or md5.
expected_hex_column	str	none	No	Optional column holding the expected hash, as hex.
threshold_percent	float	0.0	No	Fail if the percentage of mismatches exceeds this.

YAML example

checks:
  - name: example_binary_checksum
    check_type: binary_checksum
    table_name: schema.table
    column_name: example_column
    parameters:
      algorithm: sha256
      threshold_percent: 0.0

See YAML check format for the full field reference.