issues: 1353189941
This data as json
| id | node_id | number | title | user | state | locked | assignee | milestone | comments | created_at | updated_at | closed_at | author_association | pull_request | body | repo | type | active_lock_reason | performed_via_github_app | reactions | draft | state_reason |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1353189941 | I_kwDOCGYnMM5QqAo1 | 475 | table.default_values introspection property | 9599 | closed | 0 | 8355157 | 1 | 2022-08-27T22:33:31Z | 2022-08-27T22:44:46Z | 2022-08-27T22:43:02Z | OWNER | > Interesting challenge with `default_value`: I need to be able to tell if the default values passed to `.create()` differ from those in the database already. > > Introspecting that is a bit tricky: > > ```pycon > >>> import sqlite_utils > >>> db = sqlite_utils.Database(memory=True) > >>> db["blah"].create({"id": int, "name": str}, not_null=("name",), defaults={"name": "bob"}) > <Table blah (id, name)> > >>> db["blah"].columns > [Column(cid=0, name='id', type='INTEGER', notnull=0, default_value=None, is_pk=0), Column(cid=1, name='name', type='TEXT', notnull=1, default_value="'bob'", is_pk=0)] > ``` > Note how a default value of the Python string `bob` is represented in the results of `PRAGMA table_info()` as `default_value="'bob'"` - it's got single quotes added to it! > > So comparing default values from introspecting the database needs me to first parse that syntax. This may require a new table introspection method. _Originally posted by @simonw in https://github.com/simonw/sqlite-utils/issues/468#issuecomment-1229279539_ | 140912432 | issue | {"url": "https://api.github.com/repos/simonw/sqlite-utils/issues/475/reactions", "total_count": 0, "+1": 0, "-1": 0, "laugh": 0, "hooray": 0, "confused": 0, "heart": 0, "rocket": 0, "eyes": 0} | completed |