#27429: had to use QuerySet.extra to do WHERE LIKE with arbitrary amount /
placement of wildcard characters
---------------------------------+--------------------------------------
Reporter: Lance Robertson | Owner: nobody
Type: Uncategorized | Status: new
Component: Uncategorized | Version: 1.10
Severity: Normal | Resolution:
Keywords: QuerySet.extra | Triage Stage: Unreviewed
Has patch: 0 | Needs documentation: 0
Needs tests: 0 | Patch needs improvement: 0
Easy pickings: 0 | UI/UX: 0
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Description changed by Lance Robertson:
Old description:
> My use case is that I'm trying to find phonetic patterns that rhyme using
> a database I built from the pronunciation dictionary CMUdict
>
> For example:
> {{{#!python
> Pronunciation.objects.extra(where=["code LIKE '%% - %%__1 - S T __0 D'"])
> }}}
> I want to be able to filter with % and _ wildcards in arbitrary amounts
> and places in the search string beyond just __contains, __startswith, and
> __endswith, and the only way I could figure out how to do it is either to
> use a raw query or .extra - if .extra goes away I hope filter will
> support this behavior!
New description:
My use case is that I'm trying to find phonetic patterns that rhyme using
a database I built from the pronunciation dictionary CMUdict
For example:
{{{#!python
Pronunciation.objects.extra(where=["code LIKE '%% - %%__1 - S T __0 D'"])
}}}
I want to be able to filter with % and _ wildcards in arbitrary amounts
and places in the search string beyond just contains, startswith, and
endswith, and the only way I could figure out how to do it is either to
use a raw query or .extra - if .extra goes away I hope filter will support
this behavior!
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Ticket URL: <https://code.djangoproject.com/ticket/27429#comment:1>
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