Blog — OnchainQueries

OQ — L00 · Blog

Engineering decisions, compatibility trade-offs, and the occasional argument about why refusing to run a query is a feature.

Placeholder posts — replace before launch

2026-08-14Engineering

Why we refuse functions that would work

Most analytical engines have a function called filter. They do different things — and that is why OnchainQL rejects it rather than running it.

2026-07-29Datasets

Sixteen programs, zero events

Not every Solana program emits events. Here is what that means for querying them, and why instruction tables are often the better read anyway.

2026-07-08Product

A result you can check a year later

Every OnchainQueries result ships a manifest with per-part checksums, the physical tables read, a catalog hash and the slot it was planned at. Here is why all four matter.

Start queryingRead the docs

Notes from buildingthe query layer.

Why we refuse functions that would work

Sixteen programs, zero events

A result you can check a year later

Enough reading.Run a query.