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extended stats: Clarify behavior of omitting stat type clause

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Pointed out by Jeff Janes
Discussion: https://postgr.es/m/CAMkU=1zGhK-nW10RAXhokcT3MM=YBg=j5LkG9RMDwmu3i0H0Og@mail.gmail.com
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Alvaro Herrera 2017-05-25 13:17:57 -04:00
parent ea3e310e71
commit eb67e2e35a
1 changed files with 2 additions and 0 deletions
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doc/src/sgml/ref/create_statistics.sgml
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@ -84,6 +84,8 @@ CREATE STATISTICS [ IF NOT EXISTS ] <replaceable class="PARAMETER">statistics_na
<literal>ndistinct</literal>, which enables n-distinct statistics, and
<literal>dependencies</literal>, which enables functional
dependency statistics.
If this clause is omitted, all supported statistic types are
included in the statistics object.
For more information, see <xref linkend="planner-stats-extended">
and <xref linkend="multivariate-statistics-examples">.
</para>