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Fix tablespace handling for partitioned tables

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When partitioned tables were introduced, we failed to realize that by
copying the tablespace handling for other relation kinds with no
physical storage we were causing the secondary effect that their
partitions would not automatically inherit the tablespace setting.  This
is surprising and unhelpful, so change it to adopt the behavior
introduced in pg11 (commit 33e6c34c32) for partitioned indexes: the
parent relation remembers the tablespace specification, which is then
used for any new partitions that don't declare one.

Because this commit changes behavior of the TABLESPACE clause for
partitioned tables (it's no longer a no-op), it is not backpatched.

Author: David Rowley, Álvaro Herrera
Reviewed-by: Michael Paquier
Discussion: https://postgr.es/m/CAKJS1f9SxVzqDrGD1teosFd6jBMM0UEaa14_8mRvcWE19Tu0hA@mail.gmail.com
This commit is contained in:
Alvaro Herrera
2018-12-17 15:37:40 -03:00
parent 1e6240a3fe
commit ca4103025d
6 changed files with 147 additions and 61 deletions
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6
doc/src/sgml/ref/create_table.sgml
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@ -1216,7 +1216,11 @@ WITH ( MODULUS <replaceable class="parameter">numeric_literal</replaceable>, REM
of the tablespace in which the new table is to be created.
If not specified,
<xref linkend="guc-default-tablespace"/> is consulted, or
<xref linkend="guc-temp-tablespaces"/> if the table is temporary.
<xref linkend="guc-temp-tablespaces"/> if the table is temporary. For
partitioned tables, since no storage is required for the table itself,
the tablespace specified here only serves to mark the default tablespace
for any newly created partitions when no other tablespace is explicitly
specified.
</para>
</listitem>
</varlistentry>