issue_comments: 1065402557
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| html_url | issue_url | id | node_id | user | created_at | updated_at | author_association | body | reactions | issue | performed_via_github_app |
|---|---|---|---|---|---|---|---|---|---|---|---|
| https://github.com/simonw/sqlite-utils/issues/411#issuecomment-1065402557 | https://api.github.com/repos/simonw/sqlite-utils/issues/411 | 1065402557 | IC_kwDOCGYnMM4_gMC9 | 9599 | 2022-03-11T19:01:08Z | 2022-03-11T21:42:25Z | OWNER | Just spotted this in https://www.sqlite.org/gencol.html > The only functional difference is that one cannot add new STORED columns using the [ALTER TABLE ADD COLUMN](https://www.sqlite.org/lang_altertable.html#altertabaddcol) command. Only VIRTUAL columns can be added using ALTER TABLE. So to add stored columns to an existing table we would need to use the `.transform()` trick. Which implies that this should actually be a capability of the various `.create()` methods, since transform works by creating a new table with those and then copying across the old data. Here's where `.transform()` calls `.create_table_sql()` under the hood: https://github.com/simonw/sqlite-utils/blob/9388edf57aa15719095e3cf0952c1653cd070c9b/sqlite_utils/db.py#L1627-L1637 | {"total_count": 0, "+1": 0, "-1": 0, "laugh": 0, "hooray": 0, "confused": 0, "heart": 0, "rocket": 0, "eyes": 0} | 1160034488 |