[1.9.x] Fixed #25949 -- Documented Psycopg2 version requirement for JSONField.
Backport of b26d147259202455ce356755b729c3dcb16ae9e6 from master
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@ -483,8 +483,7 @@ JSONField
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of the JSON which allows indexing. The trade-off is a small additional cost
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of the JSON which allows indexing. The trade-off is a small additional cost
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on writing to the ``jsonb`` field. ``JSONField`` uses ``jsonb``.
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on writing to the ``jsonb`` field. ``JSONField`` uses ``jsonb``.
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**As a result, the usage of this field is only supported on PostgreSQL
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**As a result, this field requires PostgreSQL ≥ 9.4 and Psycopg2 ≥ 2.5.4**.
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versions at least 9.4**.
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Querying JSONField
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Querying JSONField
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^^^^^^^^^^^^^^^^^^
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^^^^^^^^^^^^^^^^^^
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@ -10,7 +10,8 @@ PostgreSQL has a number of features which are not shared by the other databases
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Django supports. This optional module contains model fields and form fields for
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Django supports. This optional module contains model fields and form fields for
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a number of PostgreSQL specific data types.
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a number of PostgreSQL specific data types.
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Psycopg2 2.5 or higher is required.
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Psycopg2 2.5 or higher is required, though we highly recommend using the latest
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release. Some fields require higher versions.
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.. note::
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.. note::
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Django is, and will continue to be, a database-agnostic web framework. We
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Django is, and will continue to be, a database-agnostic web framework. We
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