Module ranges 

Mapping row selections onto ranges: the byte ranges of the data pages that must be fetched (RowSelection::scan_ranges) and the expansion of a selection to batch boundaries.

Page selection checks bitmap-backed selections directly, while batch expansion streams their runs using MaskRunIter.

Re-exports

use super::RowSelection; 🔒

use super::RowSelector; 🔒

use crate::file::page_index::offset_index::PageLocation; 🔒

use arrow_buffer::BooleanBuffer; 🔒

use arrow_buffer::bit_chunk_iterator::BitChunks; 🔒

use std::ops::Range; 🔒

Functions

expand_to_batch_boundaries_from_selectors 🔒

Grows each selected run to the batch boundaries containing it, merging overlapping or adjacent ranges.

scan_ranges_from_mask 🔒

Checks each page for a selected bit without expanding the mask into runs.

scan_ranges_from_selectors 🔒

Byte ranges of the data pages containing at least one selected row.