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doc: PG 13 relnotes: add duplicate btree optimization details

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Bruce Momjian 2020-05-11 21:24:08 -04:00
parent ca4599b0dc
commit aa976d3b90
1 changed files with 3 additions and 3 deletions
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doc/src/sgml/release-13.sgml
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@ -359,9 +359,9 @@ More efficiently store duplicates in btree indexes (Anastasia Lubennikova, Peter
</para> </para>
<para> <para>
This allows efficient btree indexing of low cardinality columns. This allows efficient btree indexing of low cardinality columns by storing
Users upgrading with pg_upgrade will need to use REINDEX to make use of duplicate keys only once. Users upgrading with pg_upgrade will need to
this feature. use REINDEX to make use of this feature.
</para> </para>
</listitem> </listitem>