Module read_columns 

Structs

ParquetReadColumn

Read requirement for a single parquet root column.

ParquetReadColumns

The parquet columns to read.

ProjectionMaskPlan

Projection plan built for a parquet file.

Functions

build_parquet_leaves_indices 🔒

Builds parquet leaf-column indices for reading a parquet file.

build_projection_plan

Builds a projection mask plan for reading a parquet file.

find_nearest_variant_parent 🔒

is_variant_leaf 🔒

Type Aliases

ParquetNestedPath

A nested field access path inside one parquet root column.