#28928: Add support for expression indexes for GinIndex
----------------------------------+------------------------------------
     Reporter:  James Howe        |                    Owner:  (none)
         Type:  New feature       |                   Status:  new
    Component:  contrib.postgres  |                  Version:  1.11
     Severity:  Normal            |               Resolution:
     Keywords:                    |             Triage Stage:  Accepted
    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 James Howe:

Old description:

> I'm envisaging an api such that
> {{{
> GinIndex(fields=['jdoc.tags[0]'])
> }}}
> would generate
> {{{
> CREATE INDEX jdoc_gin ON mymodel USING GIN (((jdoc -> 'tags')::jsonb ->
> 0));
> }}}

New description:

 I'm envisaging an api such that
 {{{
 GinIndex(fields=['jdoc.tags[0]'])
 }}}
 would generate
 {{{
 CREATE INDEX jdoc_gin ON mymodel USING GIN (((jdoc->>'tags')::jsonb->>0));
 }}}

--

-- 
Ticket URL: <https://code.djangoproject.com/ticket/28928#comment:3>
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