issues: 472115381
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| 472115381 | MDU6SXNzdWU0NzIxMTUzODE= | 49 | extracts= should support multiple-column extracts | 9599 | open | 0 | 10 | 2019-07-24T07:06:41Z | 2020-10-16T19:18:19Z | OWNER | Lookup tables can be constructed on compound columns, but the `extracts=` option doesn't currently support that. Right now extracts can be defined in two ways: ```python # Extract these columns into tables with the same name: dogs = db.table("dogs", extracts=["breed", "most_recent_trophy"]) # Same as above but with custom table names: dogs = db.table("dogs", extracts={"breed": "Breeds", "most_recent_trophy": "Trophies"}) ``` Need some kind of syntax for much more complicated extractions, like when two columns (say "source" and "source_version") are extracted into a single table. | 140912432 | issue | {"url": "https://api.github.com/repos/simonw/sqlite-utils/issues/49/reactions", "total_count": 0, "+1": 0, "-1": 0, "laugh": 0, "hooray": 0, "confused": 0, "heart": 0, "rocket": 0, "eyes": 0} |