Module readers 

Data-engine plumbing: Parquet readers for Polars and DuckDB.

Most users go through TesseraClient::scan / TesseraClient::read / TesseraClient::to_duckdb; the readers are public for advanced composition over pre-resolved URLs. Data-engine plumbing shared by the Polars and DuckDB readers.

Modules

duckdb

Load Tessera partitions into DuckDB relations.

polars

Load Tessera partitions into Polars frames.

Functions

expand_refs

Expand (asset, coins, months) into the cartesian list of partitions.

Type Aliases

ResolvedPartition

A resolved partition: its reference plus a freshly-minted presigned URL.