Command: schema

Inspect schema from source/cache/parquet and optionally diff schema sources.

Usage

openalex-snapshot schema \
  --root-dir /data \
  --dataset works \
  --from auto \
  --format arrow-r

Notes

• canonical cache: openalex-snapshot_metadata/<dataset>/schemata/unified_schema.csv
• arrow-r format is stable JSON for R Arrow comparisons