The DuckDB engine was removed; see writing-queries for the normalized SQLite tutorial
The DuckDB backend this tutorial used to target has been removed from go-minitrace. All SQL now runs on the normalized SQLite engine.
json_extract
patterns, filtering and aggregation recipes), see
go-minitrace help writing-queries.LEFT(...), CAST(... AS DATE),
arrow operators on blob columns), see the migration table in
go-minitrace help query-duckdb.Session-level ->> examples written against the old sessions_base table
still work unmodified: the normalized database exposes a sessions_base
compatibility view with the same shape.