API Reference¶
Core Modules¶
| Module | Description |
|---|---|
colnade core |
Schema, Column, Field, FieldInfo, ValidationLevel, BackendProtocol, ArrowBatch |
colnade.dataframe |
DataFrame, LazyFrame, GroupBy, JoinedDataFrame, JoinedLazyFrame |
colnade.expr |
Expression AST nodes (ColumnRef, BinOp, Agg, etc.) |
colnade.dtypes |
Data type definitions (UInt64, Float64, Utf8, Struct, List, etc.) |
Backend Adapters¶
| Module | Description |
|---|---|
colnade_polars |
Polars backend: PolarsBackend, I/O functions, dtype mapping |
colnade_pandas |
Pandas backend: PandasBackend, I/O functions, dtype mapping |
colnade_dask |
Dask backend: DaskBackend, I/O functions, scan functions |