Blood Type
Type Registry
Blood Type
identity.person.blood_type ABO blood group system (A, B, AB, O) with optional Rh factor (±). Format: "A+", "B-", "AB", "O+", etc.
Domain identity›person
Casts to VARCHAR
Scope Universal
Try it
CLI
$ finetype infer -i "O+"
→ identity.person.blood_type DuckDB
Detect
SELECT finetype('O+');
-- → 'identity.person.blood_type' Cast expression
UPPER(CAST({col} AS VARCHAR)) Safe cast pipeline
-- Normalise and cast in one step
SELECT TRY_CAST(finetype_cast(my_column) AS VARCHAR) AS clean_value
FROM my_table
WHERE finetype(my_column) = 'identity.person.blood_type'; Struct Expansion
blood_group: REGEXP_EXTRACT(UPPER({col}), '^([ABO]+)')
rh_factor: REGEXP_EXTRACT(UPPER({col}), '([+-])$') JSON Schema
finetype schema identity.person.blood_type {
"$id": "https://noon.sh/schemas/identity.person.blood_type",
"$schema": "https://json-schema.org/draft/2020-12/schema",
"description": "ABO blood group system (A, B, AB, O) with optional Rh factor (±). Format: \"A+\", \"B-\", \"AB\", \"O+\", etc.",
"examples": [
"O+",
"A-",
"AB",
"B+"
],
"pattern": "^(A|B|AB|O)[+-]?$",
"title": "Blood Type",
"type": "string"
} Examples
O+A-ABB+