Just as a suggestion you might want to use DATETIME instead of
TIMESTAMP.
> How to index a timestamp data in a Postgres table?
>
> For example, I tried: CREATE UNIQUE INDEX idx ON table_01
> (xtime);
> The resulting message was: "CAN'T FIND A DEFAULT OPERATOR CLASS FOR
> TYPE
> 1296".
>
> The table 'table_01' was created with the following command:
> CREATE TABLE table_01 (
> xtime TIMESTAMP,
> code CHAR(5),
> qty INTEGER);
>
> The key of this table must be the 'xtime' field which is of
> TIMESTAMP data
> type. How to do it?
>
>
> Romualdo.
>
>
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