load_m1_window took (from_ms: i64, to_ms: i64) and forwarded
Some(from_ms)/Some(to_ms) into stream_m1_windowed, throwing away the
underlying API's per-bound Option<i64> (None = unbounded). There was thus
no way to express an open upper bound, and the natural i64::MAX sentinel
overflowed chrono's from_timestamp_millis inside data-server's coarse
unix_ms_to_year_month file filter, panicking the whole ingest.
Thread Option<i64> through both bounds unchanged, so None = unbounded
matches the underlying contract and 'to the end of history' needs no
sentinel. Rejected the alternative of clamping a too-large bound to a
ceiling constant: a ceiling is not actually unbounded (it silently drops
any post-ceiling bar) and reintroduces a magic literal; restoring the
Option makes the open bound structurally expressible instead.
The committed RED test (2e38106) is now GREEN: it reads AAPL.US's latest
archived month with None as the upper bound and asserts bar-for-bar
equality with the finite sane bound. Verified: cargo test --workspace
green (unbounded_window and real_bars both ran the real /mnt/tickdata
path, not skipped); clippy --all-targets -D warnings clean.
Out of scope, left untouched: the None-vs-Some(empty) rustdoc semantics
(#18), and three out-of-workspace frozen fieldtest crates that still call
the old bare-i64 signature -- those are dated historical replay records
and are intentionally not rewritten.
closes#23
Brummel
8bd5d0a3f9