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Commit4d04031

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Doc: Clarify locks taken when using ALTER TABLE ATTACH PARTITION
Since898e5e3, this command uses partially ShareUpdateExclusiveLock,but the docs did not get the call.Author: Justin PryzbyReviewed-by: Amit Langote, Álvaro Herrera, Michael PaquierDiscussion:https://postgr.es/m/20191028001207.GB23808@telsasoft.comBackpatch-through: 12
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‎doc/src/sgml/ref/alter_table.sgml

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@@ -901,6 +901,13 @@ WITH ( MODULUS <replaceable class="parameter">numeric_literal</replaceable>, REM
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the scan of the new partition, it is always skipped when the default
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partition is a foreign table.
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</para>
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<para>
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Attaching a partition acquires a
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<literal>SHARE UPDATE EXCLUSIVE</literal> lock on the parent table,
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in addition to <literal>ACCESS EXCLUSIVE</literal> locks on the table
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to be attached and on the default partition (if any).
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</para>
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</listitem>
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</varlistentry>
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