Function to_jsonb

pub fn to_jsonb(ecx: &ExprContext<'_>, expr: HirScalarExpr) -> HirScalarExpr

Converts an expression to SqlScalarType::Jsonb.

The rules are as follows:

• SqlScalarType::Booleans become JSON booleans.
• All numeric types are converted to Float64s, then become JSON numbers.
• Records are converted to a JSON object where the record’s field names are the keys of the object, and the record’s fields are recursively converted to JSON by to_jsonb.
• Other types are converted to strings by their usual cast function an