issue_comments: 1420101175
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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/datasette/issues/2019#issuecomment-1420101175 | https://api.github.com/repos/simonw/datasette/issues/2019 | 1420101175 | IC_kwDOBm6k_c5UpQY3 | 9599 | 2023-02-07T02:22:11Z | 2023-02-07T02:22:11Z | OWNER | A more complex example: https://latest.datasette.io/fixtures/sortable?_next=0~2E2650566289400591%2Ca%2Cu&_sort=sortable_with_nulls_2 SQL: ```sql select pk1, pk2, content, sortable, sortable_with_nulls, sortable_with_nulls_2, text from sortable where (sortable_with_nulls_2 > :p2 or (sortable_with_nulls_2 = :p2 and ((pk1 > :p0) or (pk1 = :p0 and pk2 > :p1)))) order by sortable_with_nulls_2, pk1, pk2 limit 101 ``` https://latest.datasette.io/fixtures?sql=select+pk1%2C+pk2%2C+content%2C+sortable%2C+sortable_with_nulls%2C+sortable_with_nulls_2%2C+text+from+sortable+where+%28sortable_with_nulls_2+%3E+%3Ap2+or+%28sortable_with_nulls_2+%3D+%3Ap2+and+%28%28pk1+%3E+%3Ap0%29%0A++or%0A%28pk1+%3D+%3Ap0+and+pk2+%3E+%3Ap1%29%29%29%29+order+by+sortable_with_nulls_2%2C+pk1%2C+pk2+limit+101&p0=a&p1=u&p2=0.2650566289400591 Here's the explain: 49 steps long https://latest.datasette.io/fixtures?sql=explain+select+pk1%2C+pk2%2C+content%2C+sortable%2C+sortable_with_nulls%2C+sortable_with_nulls_2%2C+text+from+sortable+where+%28sortable_with_nulls_2+%3E+%3Ap2+or+%28sortable_with_nulls_2+%3D+%3Ap2+and+%28%28pk1+%3E+%3Ap0%29%0D%0A++or%0D%0A%28pk1+%3D+%3Ap0+and+pk2+%3E+%3Ap1%29%29%29%29+order+by+sortable_with_nulls_2%2C+pk1%2C+pk2+limit+101&p2=0.2650566289400591&p0=a&p1=u Rewritten with a subselect: ```sql select * from ( select pk1, pk2, content, sortable, sortable_with_nulls, sortable_with_nulls_2, text from sortable ) where (sortable_with_nulls_2 > :p2 or (sortable_with_nulls_2 = :p2 and ((pk1 > :p0) or (pk1 = :p0 and pk2 > :p1)))) order by sortable_with_nulls_2, pk1, pk2 limit 101 ``` https://latest.datasette.io/fixtures?sql=select+*+from+(%0D%0A++select+pk1%2C+pk2%2C+content%2C+sortable%2C+sortable_with_nulls%2C+sortable_with_nulls_2%2C+text+from+sortable%0D%0A)%0D%0Awhere+(sortable_with_nulls_2+%3E+%3Ap2+or+(sortable_with_nulls_2+%3D+%3Ap2+and+((pk1+%3E+%3Ap0)%0D%0A++or%0D%0A(pk1+%3D+%3Ap0+and+pk2+%3E+%3Ap1))))+order+by+sortable_with_nulls_2%2C+pk1%2C+pk2+limit+101&p2=0.2650566289400591&p0=a&p1=u And here's the explain for that - also 49 steps: https://latest.datasette.io/fixtures?sql=explain+select+*+from+%28%0D%0A++select+pk1%2C+pk2%2C+content%2C+sortable%2C+sortable_with_nulls%2C+sortable_with_nulls_2%2C+text+from+sortable%0D%0A%29%0D%0Awhere+%28sortable_with_nulls_2+%3E+%3Ap2+or+%28sortable_with_nulls_2+%3D+%3Ap2+and+%28%28pk1+%3E+%3Ap0%29%0D%0A++or%0D%0A%28pk1+%3D+%3Ap0+and+pk2+%3E+%3Ap1%29%29%29%29+order+by+sortable_with_nulls_2%2C+pk1%2C+pk2+limit+101&p2=0.2650566289400591&p0=a&p1=u | {"total_count": 0, "+1": 0, "-1": 0, "laugh": 0, "hooray": 0, "confused": 0, "heart": 0, "rocket": 0, "eyes": 0} | 1573424830 |