Database

new(url : String)

execute(query : String, args : Array(DB::Any)) : DB::ExecResult

execute(query : String, *params) : DB::ExecResult

fetch_all(query : String, *params) : Array(Hash(String, DB::Any))

fetch_all(type : T.class, query : String, *params) : Array(T) forall T

fetch_one(query : String, *params) : Hash(String, DB::Any) | Nil

fetch_one(type : T.class, query : String, *params) : T | Nil forall T

fetch_val(query : String, *params, column : Int32 = 0) : DB::Any | Nil