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Performance & internals
Format interop

Reference

API reference

Development

UX series
colstore Performance Optimization Series: Reference Summary
Round 1 — Stages 1–6
Round 2 — Stages 7–12
Round 3 — Defaults, placement validation, and filesystem portability
Round 4 — Read-path Python offloads
Round 5 — Edit-path mask routing and cache-resident streaming
Round 6 — Overlapping the streaming write with compute
Round 7 — One gather, layout specializations, and the bandwidth-bound frontier
Net effect
Rejected alternatives (do not re-propose without new evidence)
Open / deferred items (recorded reasons)
Gather diagnostics
Valgrind leak checking

colstore.QueryError¶

exception colstore.QueryError[source]¶

Bases: ValueError

A query string or column expression is malformed or unsupported.

colstore Viewing & Editing Features

colstore.FormatError

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Last updated on 2026-07-15

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colstore.QueryError
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