Module Polars_async.Lazy_frame
include module type of Polars.Lazy_frame
val scan_parquet : string -> (t, string) Core.result
val scan_parquet_exn : string -> t
val scan_csv : string -> (t, string) Core.result
val scan_csv_exn : string -> t
val scan_jsonl : string -> (t, string) Core.result
val scan_jsonl_exn : string -> t
val explain : ?optimized:bool -> t -> (string, string) Core.result
val explain_exn : ?optimized:bool -> t -> string
val to_dot : ?optimized:bool -> t -> (string, string) Core.result
val to_dot_exn : ?optimized:bool -> t -> string
val groupby_dynamic :
?every:string ->
?period:string ->
?offset:string ->
?truncate:bool ->
?include_boundaries:bool ->
?closed_window:[ `Both | `Left | `None_ | `Right ] ->
?start_by:
[ `Data_point
| `Friday
| `Monday
| `Saturday
| `Sunday
| `Thursday
| `Tuesday
| `Wednesday
| `Window_bound ] ->
?check_sorted:bool ->
t ->
index_column:Polars.Expr.t ->
by:Polars.Expr.t list ->
agg:Polars.Expr.t list ->
t
val concat :
?how:[ `Diagonal | `Vertical | `Vertical_relaxed ] ->
?rechunk:bool ->
?parallel:bool ->
t list ->
t
val melt :
?variable_name:string ->
?value_name:string ->
?streamable:bool ->
t ->
id_vars:string list ->
value_vars:string list ->
t
val sort : ?descending:bool -> ?nulls_last:bool -> t -> by_column:string -> t
val limit : t -> n:int -> t
val with_streaming : t -> toggle:bool -> t