nx_query.nx

nx_query.nx -- the sovereign QUERY EXECUTOR over a dataset (the "SELECT agg(col) WHERE col op val GROUP BY col" engine, structured-params form -- a string/typed-syntax parser is the thin front-end follow-on). This is what makes the analytics QUERYABLE instead of called function-by-function. Composes nx_dataframe (filter + groupby + reductions). Integer-exact. Works on in-memory columns OR seg_store-loaded columns (via nx_analyst_store). license_tier: ORIGINAL