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[3.2.x] Refs #27694 -- Doc'd lookups that can be chained with HStoreField key transforms.

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Backport of 1953dd02b6719ee89fddbc3098d86968d79f3cd7 from main
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Sarah Abderemane 2021-10-04 07:04:00 +02:00 committed by Mariusz Felisiak
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commit 51e4dbfeb2
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docs/ref/contrib/postgres/fields.txt
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@ -358,6 +358,13 @@ You can chain other lookups after key lookups::
If the key you wish to query by clashes with the name of another lookup, you If the key you wish to query by clashes with the name of another lookup, you
need to use the :lookup:`hstorefield.contains` lookup instead. need to use the :lookup:`hstorefield.contains` lookup instead.
.. note::
Key transforms can also be chained with: :lookup:`contains`,
:lookup:`icontains`, :lookup:`endswith`, :lookup:`iendswith`,
:lookup:`iexact`, :lookup:`regex`, :lookup:`iregex`, :lookup:`startswith`,
and :lookup:`istartswith` lookups.
.. warning:: .. warning::
Since any string could be a key in a hstore value, any lookup other than Since any string could be a key in a hstore value, any lookup other than