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doc: Adding a partition does not require Access Exclusive lock

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This doc update was missed in 898e5e3290.  Backpatch to 12.

Pointed out by Pavel Luzanov
Discussion: https://postgr.es/m/642e9fbc-b832-698b-9a8f-d626afd7014d@postgrespro.ru
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Alvaro Herrera 2020-05-20 14:35:39 -04:00
parent 39cb2ee09c
commit e1218f59ea
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doc/src/sgml/ddl.sgml
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@ -4121,8 +4121,8 @@ ALTER INDEX measurement_city_id_logdate_key
<listitem>
<para>
Some operations require a stronger lock when using declarative
partitioning than when using table inheritance. For example, adding
or removing a partition to or from a partitioned table requires taking
partitioning than when using table inheritance. For example,
removing a partition from a partitioned table requires taking
an <literal>ACCESS EXCLUSIVE</literal> lock on the parent table,
whereas a <literal>SHARE UPDATE EXCLUSIVE</literal> lock is enough
in the case of regular inheritance.