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Doc: Update documentation on partitioning vs. foreign tables.

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The limitations that it is not allowed to create/attach a foreign table
as a partition of an indexed partitioned table were not documented.

Reported-By: Stepan Yankevych
Author: Etsuro Fujita
Reviewed-By: Amit Langote
Backpatch-through: 11 where partitioned index was introduced
Discussion: https://postgr.es/m/1553869152.858391073.5f8m3n0x@frv53.fwdcdn.com
This commit is contained in:
Etsuro Fujita 2019-04-05 20:55:06 +09:00
parent edda32ee25
commit 3e6b0c4729
2 changed files with 8 additions and 0 deletions
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4
doc/src/sgml/ref/alter_table.sgml
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@ -842,6 +842,10 @@ WITH ( MODULUS <replaceable class="parameter">numeric_literal</replaceable>, REM
one will be created in the attached table; or, if an equivalent one will be created in the attached table; or, if an equivalent
index already exists, will be attached to the target table's index, index already exists, will be attached to the target table's index,
as if <command>ALTER INDEX ATTACH PARTITION</command> had been executed. as if <command>ALTER INDEX ATTACH PARTITION</command> had been executed.
Note that if the existing table is a foreign table, it is currently not
allowed to attach the table as a partition of the target table if there
are indexes on the target table. (See also
<xref linkend="sql-createforeigntable"/>.)
</para> </para>
<para> <para>

4
doc/src/sgml/ref/create_foreign_table.sgml
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@ -169,6 +169,10 @@ CHECK ( <replaceable class="parameter">expression</replaceable> ) [ NO INHERIT ]
the given parent table with specified partition bound values. the given parent table with specified partition bound values.
See the similar form of See the similar form of
<xref linkend="sql-createtable"/> for more details. <xref linkend="sql-createtable"/> for more details.
Note that it is currently not allowed to create the foreign table as a
partition of the parent table if there are indexes on the parent table.
(See also
<link linkend="sql-altertable"><command>ALTER TABLE ATTACH PARTITION</command></link>.)
</para> </para>
</listitem> </listitem>
</varlistentry> </varlistentry>