Dumb question:
What's the benefit of a multi-column GIN index over multiple
single-column GIN indexes?
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Heikki Linnakangas
EnterpriseDB http://www.enterprisedb.com
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What's the benefit of a multi-column GIN index over multiple
single-column GIN indexes?
Page 12 from presentation on PgCon
(http://www.sigaev.ru/gin/fastinsert_and_multicolumn_GIN.pdf):
Multicolumn index vs. 2 single column indexes
Size:539 Mb538 Mb
Speed: *1.885* ms