json_get_string_udf

lance_datafusion::udf::json

Function json_get_string_udf 

Source 
pub fn json_get_string_udf() -> ScalarUDF
Expand description

Create the json_get_string UDF for getting a string value

§Arguments

  • First parameter: JSONB binary data (LargeBinary)
  • Second parameter: Field name or array index as string (Utf8)

§Returns

String value with type coercion (numbers/booleans converted to strings)