#9055: Percent sign in SQL statement behaves different with CursorDebugWrapper
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Reporter: guettli | Owner: nobody
Type: Bug | Status: new
Component: Database layer | Version: 1.0
(models, ORM) | Resolution:
Severity: Normal | Triage Stage: Accepted
Keywords: | Needs documentation: 0
Has patch: 1 | Patch needs improvement: 0
Needs tests: 0 | UI/UX: 0
Easy pickings: 0 |
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Comment (by hlhicks@…):
I'm not sure how this ticket got sidetracked into parameters in execute.
that may be an issue as well, but the original problem mentioned above
refers to "if the string contains a percent sign." If the query has a
percent sign, then self.db.ops.last_executed_query(...) will bomb when it
tries to do a string substitution. It will also fail if the query has a
different parameter sub method (like ?) . For example...
cursor.execute("insert into the_table (name, phone, zip) values
(?,?,?)",("me","800...","30101")) will throw an exception because it
cannot substitute the three parameters into the query.
last_executed_query needs to use the backends substitution method (which
may be complicated to do). Or else just store the parameters as a repr
after the query string.
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Ticket URL: <https://code.djangoproject.com/ticket/9055#comment:9>
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