On Fri, Jan 4, 2019 at 2:27 PM Adrian Klaver <adrian.kla...@aklaver.com>
wrote:
> On 1/4/19 2:21 PM, Ken Tanzer wrote:
> >
> > I've tried various ways of getting to a date (::date, LEFT(x,10)::date,
> > etc.), but all of them throw the error "functions in index expression
> > must be marked IMMUTABLE."
>
> ?:
> '2014-10-23T00:00:00'::timestamp
>
> Can you also show the actual index expression?
>
>
Here's a few of the ones I tried:
ag_reach=> CREATE INDEX ON export_hch_encounter_history
(CAST("Service_Date" AS date));
ERROR: functions in index expression must be marked IMMUTABLE
ag_reach=> CREATE INDEX ON export_hch_encounter_history
(CAST(LEFT("Service_Date",10) AS date));
ERROR: functions in index expression must be marked IMMUTABLE
ag_reach=> CREATE INDEX ON export_hch_encounter_history
(CAST("Service_Date"::timestamp AS date));
ERROR: functions in index expression must be marked IMMUTABLE
ag_reach=> CREATE INDEX ON export_hch_encounter_history
(("Service_Date"::date));
ERROR: functions in index expression must be marked
IMMUTABLEag_reach=> CREATE INDEX ON export_hch_encounter_history
((LEFT("Service_Date",10)::date));
ERROR: functions in index expression must be marked IMMUTABLE
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