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Allow CLUSTER on partitioned tables

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This is essentially the same as applying VACUUM FULL to a partitioned
table, which has been supported since commit 3c3bb99330 (March 2017).
While there's no great use case in applying CLUSTER to partitioned
tables, we don't have any strong reason not to allow it either.

For now, partitioned indexes cannot be marked clustered, so an index
must always be specified.

While at it, rename some variables that were RangeVars during the
development that led to 8bc717cb88 but never made it that way to the
source tree; there's no need to perpetuate names that have always been
more confusing than helpful.

Author: Justin Pryzby <pryzby@telsasoft.com>
Reviewed-by: Matthias van de Meent <boekewurm+postgres@gmail.com>
Discussion: https://postgr.es/m/20201028003312.GU9241@telsasoft.com
Discussion: https://postgr.es/m/20200611153502.GT14879@telsasoft.com
This commit is contained in:
Alvaro Herrera
2022-04-02 19:08:34 +02:00
parent b7c485fb93
commit cfdd03f45e
7 changed files with 249 additions and 97 deletions
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7
doc/src/sgml/ref/cluster.sgml
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@ -196,6 +196,13 @@ CLUSTER [VERBOSE]
in the <structname>pg_stat_progress_cluster</structname> view. See
<xref linkend="cluster-progress-reporting"/> for details.
</para>
<para>
Clustering a partitioned table clusters each of its partitions using the
partition of the specified partitioned index. When clustering a partitioned
table, the index may not be omitted.
</para>
</refsect1>
<refsect1>