#27632: Oracle backend fails to execute a query with an aggregation that
contains
an expression in the GROUP BY.
-------------------------------------+-------------------------------------
Reporter: Josh Smeaton | Owner: felixxm
Type: Bug | Status: assigned
Component: Database layer | Version: master
(models, ORM) |
Severity: Normal | Resolution:
Keywords: oracle | Triage Stage: Accepted
Has patch: 0 | Needs documentation: 0
Needs tests: 0 | Patch needs improvement: 0
Easy pickings: 0 | UI/UX: 0
-------------------------------------+-------------------------------------
Comment (by Josh Smeaton):
Thinking about this more, this isn't always going to be correct. What if
you want to GROUP BY the substring of a column? We'd be changing results.
{{{
Name, Siblings
Josh, 3
James, 3
}}}
{{{#!sql
SELECT SUM(Siblings), SUBSTR(NAME, 1) FROM TABLE
GROUP BY SUBSTR(NAME, '1')
J, 6
}}}
{{{#!sql
SELECT SUM(Siblings), SUBSTR(NAME, 1) FROM TABLE
GROUP BY NAME
J, 3
J, 3
}}}
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Ticket URL: <https://code.djangoproject.com/ticket/27632#comment:4>
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