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Postgres FD Implementation
Commit aa976d3b authored by Bruce Momjian's avatar Bruce Momjian
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doc: PG 13 relnotes: add duplicate btree optimization details

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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>
This allows efficient btree indexing of low cardinality columns.
Users upgrading with pg_upgrade will need to use REINDEX to make use of
this feature.
This allows efficient btree indexing of low cardinality columns by storing
duplicate keys only once. Users upgrading with pg_upgrade will need to
use REINDEX to make use of this feature.
</para>
</listitem>
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