JSON Functions

2 functions for extracting values from and parsing JSON strings. The source column is always the implicit first input.

Function	Syntax	Parameters	Notes
`json_extract` / `get_json_object`	`json_extract(column, path)`	`path` default `"$.value"` — JSONPath expression.	Returns the extracted value as a string.
`json_parse` / `from_json`	`json_parse(column, schema)`	`schema` — required DDL schema string (e.g. `"name STRING, age INT"`).	Returns a struct column matching the given schema.