### SUBSTRAIT_SCALAR_TEST: v1.0
### SUBSTRAIT_INCLUDE: extension:io.substrait:functions_string
# basic: Basic examples without any special cases
lower('ABC'::str) = 'abc'::str
lower('aBc'::str) = 'abc'::str
lower('abc'::str) = 'abc'::str
lower(''::str) = ''::str
# null_input: Examples with null as input
lower(null::str?) = null::str?
# unicode: Examples with unicode characters as input
lower('ÆÆÃÃA'::str) [full_unicode:TRUE] = 'ææããa'::str
lower('😄'::str) = '😄'::str