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[3.1.x] Fixed #31577 -- Clarified docs about bounds of RangeFields.

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Backport of 4029bcd6b2 from master
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xncbf 2020-05-17 16:54:26 +09:00 • committed by Mariusz Felisiak
parent 3f977c5837
commit 03bfcbad88
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11
docs/ref/contrib/postgres/fields.txt
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@ -538,7 +538,10 @@ suitable for.
All of the range fields translate to :ref:`psycopg2 Range objects
<psycopg2:adapt-range>` in Python, but also accept tuples as input if no bounds
information is necessary. The default is lower bound included, upper bound
excluded; that is, ``[)``.
excluded, that is ``[)`` (see the PostgreSQL documentation for details about
`different bounds`_).
.. _different bounds: https://www.postgresql.org/docs/current/rangetypes.html#RANGETYPES-IO
``IntegerRangeField``
---------------------
@ -552,7 +555,7 @@ excluded; that is, ``[)``.
Regardless of the bounds specified when saving the data, PostgreSQL always
returns a range in a canonical form that includes the lower bound and
excludes the upper bound; that is ``[)``.
excludes the upper bound, that is ``[)``.
``BigIntegerRangeField``
------------------------
@ -566,7 +569,7 @@ excluded; that is, ``[)``.
Regardless of the bounds specified when saving the data, PostgreSQL always
returns a range in a canonical form that includes the lower bound and
excludes the upper bound; that is ``[)``.
excludes the upper bound, that is ``[)``.
``DecimalRangeField``
---------------------
@ -599,7 +602,7 @@ excluded; that is, ``[)``.
Regardless of the bounds specified when saving the data, PostgreSQL always
returns a range in a canonical form that includes the lower bound and
excludes the upper bound; that is ``[)``.
excludes the upper bound, that is ``[)``.
Querying Range Fields
---------------------