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doc: update pg requirements for partitioning

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Fixes: https://pagure.io/koji/issue/1938
This commit is contained in:
Tomas Kopecek 2020-09-28 13:54:31 +02:00
parent 5e8ed0c166
commit 620888a089
1 changed files with 6 additions and 1 deletions
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7
docs/source/database_howto.rst
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@ -22,6 +22,11 @@ almost always query by ``buildroot_id``.
It has three steps - first is to backup your db and turn hub offline.
.. note::
SQL syntax used here (PARTITION BY) is in Postgres from version 10. Same
behaviour can be made to work even with older releases but needs a bit of
additional code to replace it.
Second is creating trigger, which will be used when new buildroot is
created and will ensure that potential new partition is created:
@ -60,7 +65,7 @@ created and will ensure that potential new partition is created:
FOR EACH ROW EXECUTE PROCEDURE create_partition_and_insert();
The second one is one-time code, which will be used for converting
The third one is one-time code, which will be used for converting
existing tables.
.. code-block:: plpgsql