#27257: JSONB regex and iregex
----------------------------------------------+----------------------------
     Reporter:  Nick Stefan                   |      Owner:  nobody
         Type:  Uncategorized                 |     Status:  new
    Component:  Database layer (models, ORM)  |    Version:  1.9
     Severity:  Normal                        |   Keywords:  QuerySet.extra
 Triage Stage:  Unreviewed                    |  Has patch:  0
Easy pickings:  1                             |      UI/UX:  0
----------------------------------------------+----------------------------
 Given a model with a jsonb field, 'content', and it has a key called
 'altText'.


 {{{
 queryset.filter(content__altText__iregex="bob")

 }}}

 creates this SQL

 {{{
 "content" -> 'altText'::text ~* 'bob'
 }}}

 Which creates a type error

 {{{
 ERROR:  operator does not exist: jsonb ~* unknown at character 2792
 postgres    | HINT:  No operator matches the given name and argument
 type(s). You might need to add explicit type casts.
 }}}



 SQL actually needed is


 {{{
 content ->> altText ~* 'bob'
 }}}


 So I had to use:

 {{{
 queryset.extra(where=['content ->> %s ~* %s'], params=['altText', 'bob'])
 }}}

 Is this something to be filed under QuerySet.extra or is this more of a
 bug just with JSONField ?

--
Ticket URL: <https://code.djangoproject.com/ticket/27257>
Django <https://code.djangoproject.com/>
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