Function create 

pub async fn create(
    tables: &Tables,
    conn: &dyn Database,
    tenancy: Tenancy,
    headers: &HeaderMap,
    scope: &Scope,
    name: &str,
    body: Value,
) -> Result<Value, Problem>

Creates one row.

Errors

The access decision’s refusal, NOT_A_ROW when the body is not a legal row, ALREADY_EXISTS when the key collides with a row the caller may be told about — under owner, their own — the ordinary rejection when it collides with one they may not, or a database failure.