Expand description
One-shot, streaming, in-place migration from schema_version 1 rows to schema_version 2.
RAM contract: pure streaming. Read one line, parse, convert, write one line to a temp file. Bounded by a single line’s allocation regardless of file size. Atomic rename at the end.
Functions§
- migrate_
legacy_ jsonl_ in_ place - Detect-and-migrate. No-op when the file is already at schema_version 2.