=?iso-2022-jp?B?GyRCQ2ZAbiEhQD81LhsoQg==?= <nakag...@ivp.co.jp> writes: > I'm trying to use like 'xx%' search on Text[] column. > I thought it uses index scan. But actually it uses seq scan.
> Why?
Those ANY expressions are not indexable.
regards, tom lane
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