Public members¶

LanceScanner(scanner: _Scanner, dataset: LanceDataset)

Initialize self. See help(type(self)) for accurate signature.

to_table() → Table

Read the data into memory and return a pyarrow Table.

to_reader()

Consume this scanner as a RecordBatchReader.

to_batches()

Consume a Scanner in record batches.

property projected_schema : Schema

The materialized schema of the data, accounting for projections.

static from_dataset(*args, **kwargs)

Not implemented

static from_fragment(*args, **kwargs)

Not implemented

static from_batches(*args, **kwargs)

Not implemented

property dataset_schema : Schema

The schema with which batches will be read from fragments.

scan_batches()

Consume a Scanner in record batches with corresponding fragments.

take(indices)

Not implemented

head(num_rows)

Load the first N rows of the dataset.

count_rows()

Count rows matching the scanner filter.

explain_plan(verbose=False) → str

Return the execution plan for this scanner.

analyze_plan() → str

Execute the plan for this scanner and display with runtime metrics.

classmethod LanceScanner(*args, **kwargs)

Create and return a new object. See help(type) for accurate signature.

__reduce__()

Scanner.__reduce_cython__(self)