From: | Oliver Jowett <oliver(at)opencloud(dot)com> |
---|---|
To: | Maik Wiege <mswiege(at)gmx(dot)de> |
Cc: | pgsql-jdbc(at)postgresql(dot)org |
Subject: | Re: get row count from a "cursor resultset" |
Date: | 2005-07-06 22:33:37 |
Message-ID: | 42CC5C41.90306@opencloud.com |
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Thread: | |
Lists: | pgsql-jdbc |
Oliver Jowett wrote:
> Maik Wiege wrote:
>
>>I didn't find a solution for this, but there must be, because the pgAdmin III - tool does this. After starting the query in the SQL-Dialog it asks wether to retrieve just the first 100 results or all results displaying the corect amount of found rows. Or is this just not possible with jdbc.
>
>
> I'd point out that this does not require knowing exactly how many rows
> there are -- only that there are more than 100. You can do the
> equivalent in JDBC easily by setting fetchsize to 100 or so and calling
> next() 100 times.. if you haven't hit the end of the resultset by that
> point, it has more than 100 rows.
Oh, sorry, my mistake -- I misread your description. Perhaps they are
using either COUNT(*) in the same query or MOVE to get the number of rows.
-O
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