MeridianMERIDIAN

boolean

3 boolean types: none a sibling also accepts, 1 in Meridian's open data.

3 types

The 3 boolean types

Each type's first registry sample, against every sibling's rule

TypeSampleAlso accepted by
Binary Boolean (0/1)
binary · BOOLEAN
0—
Boolean Initials (T/F, Y/N)
initials · BOOLEAN
T—
true—

Which boolean type is it?

Binary Boolean (0/1), Boolean Initials (T/F, Y/N) and Boolean Terms (True/False, Yes/No) carry no pattern or format, so they have no rule to ask.

In Meridian's open data

Use it

CLI · DuckDB
$ printf '%s\n' '0' '1' > column.txt
$ finetype infer -f column.txt --mode column

SELECT ft_profile(v) FROM (VALUES ('0'), ('1')) t(v);

No boolean type's rule accepts 1.

Type Registry