Query String Parameters
Type Registry
Query String Parameters
container.key_value.query_string URL query string format: key1=value1&key2=value2. Commonly found in URLs and HTTP POST bodies.
Domain container›key_value
Casts to VARCHAR
Scope Universal
Try it
CLI
$ finetype infer -i "name=John&age=30&city=NewYork"
→ container.key_value.query_string DuckDB
Detect
SELECT finetype('name=John&age=30&city=NewYork');
-- → 'container.key_value.query_string' Cast expression
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) = 'container.key_value.query_string'; Decompose
RECURSIVE_PARSE_QUERY_STRING({col}) JSON Schema
finetype schema container.key_value.query_string {
"$id": "https://noon.sh/schemas/container.key_value.query_string",
"$schema": "https://json-schema.org/draft/2020-12/schema",
"description": "URL query string format: key1=value1&key2=value2. Commonly found in URLs and HTTP POST bodies.",
"examples": [
"name=John&age=30&city=NewYork",
"q=python&page=1",
"user_id=123&token=abc123xyz"
],
"pattern": "^[^=&]+=([^&]*)(&[^=&]+=[^&]*)*$",
"title": "Query String Parameters",
"type": "string"
} Examples
name=John&age=30&city=NewYorkq=python&page=1user_id=123&token=abc123xyz