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be7c937 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 | """Type stubs for wayy_db._core C++ extension module."""
from typing import Optional, Sequence
import numpy as np
import numpy.typing as npt
__version__: str
class DType:
Int64: DType
Float64: DType
Timestamp: DType
Symbol: DType
Bool: DType
class WayyException(Exception): ...
class ColumnNotFound(WayyException): ...
class TypeMismatch(WayyException): ...
class InvalidOperation(WayyException): ...
class Column:
@property
def name(self) -> str: ...
@property
def dtype(self) -> DType: ...
@property
def size(self) -> int: ...
def __len__(self) -> int: ...
def to_numpy(self) -> npt.NDArray: ...
class Table:
def __init__(self, name: str = "") -> None: ...
@property
def name(self) -> str: ...
@property
def num_rows(self) -> int: ...
@property
def num_columns(self) -> int: ...
@property
def sorted_by(self) -> Optional[str]: ...
def __len__(self) -> int: ...
def has_column(self, name: str) -> bool: ...
def column(self, name: str) -> Column: ...
def __getitem__(self, name: str) -> Column: ...
def column_names(self) -> list[str]: ...
def set_sorted_by(self, col: str) -> None: ...
def save(self, path: str) -> None: ...
@staticmethod
def load(path: str) -> Table: ...
@staticmethod
def mmap(path: str) -> Table: ...
def add_column_from_numpy(
self, name: str, array: npt.NDArray, dtype: DType
) -> None: ...
def to_dict(self) -> dict[str, npt.NDArray]: ...
class Database:
def __init__(self, path: str = "") -> None: ...
@property
def path(self) -> str: ...
@property
def is_persistent(self) -> bool: ...
def tables(self) -> list[str]: ...
def has_table(self, name: str) -> bool: ...
def table(self, name: str) -> Table: ...
def __getitem__(self, name: str) -> Table: ...
def create_table(self, name: str) -> Table: ...
def drop_table(self, name: str) -> None: ...
def save(self) -> None: ...
def refresh(self) -> None: ...
class ops:
@staticmethod
def sum(col: Column) -> float: ...
@staticmethod
def avg(col: Column) -> float: ...
@staticmethod
def min(col: Column) -> float: ...
@staticmethod
def max(col: Column) -> float: ...
@staticmethod
def std(col: Column) -> float: ...
@staticmethod
def aj(
left: Table, right: Table, on: Sequence[str], as_of: str
) -> Table: ...
@staticmethod
def wj(
left: Table,
right: Table,
on: Sequence[str],
as_of: str,
window_before: int,
window_after: int,
) -> Table: ...
@staticmethod
def mavg(col: Column, window: int) -> npt.NDArray[np.float64]: ...
@staticmethod
def msum(col: Column, window: int) -> npt.NDArray[np.float64]: ...
@staticmethod
def mstd(col: Column, window: int) -> npt.NDArray[np.float64]: ...
@staticmethod
def mmin(col: Column, window: int) -> npt.NDArray[np.float64]: ...
@staticmethod
def mmax(col: Column, window: int) -> npt.NDArray[np.float64]: ...
@staticmethod
def ema(col: Column, alpha: float) -> npt.NDArray[np.float64]: ...
@staticmethod
def diff(col: Column, periods: int = 1) -> npt.NDArray[np.float64]: ...
@staticmethod
def pct_change(col: Column, periods: int = 1) -> npt.NDArray[np.float64]: ...
@staticmethod
def shift(col: Column, n: int) -> npt.NDArray[np.float64]: ...
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