Re: Prepared statement with function as argument: how to bind values?

David Johnston wrote
>
> Sivakumar wrote
>> I think it's too late to respond for this issue, but i hope it will be
>> useful for someone else. I also faced the same issue of binding, how i
>> solved is
>>
>>
>> String sql = "INSERT INTO
>> poi(geom,latitude,longitude,description,comment) VALUES
>> (
*
>> ST_GeomFromText(?, 4326)
*
>> , ?, ?, ?, ?)";
>> stmt = conn.prepareStatement(sql);
*
>> stmt.setString(1, "POINT(" +lon + " " + lat + ")");
*
>> stmt.setFloat(2, lon);
>> stmt.setFloat(3, lat);
>> stmt.setTimestamp(4, descr);
>> stmt.setString(5, comment);
>>
>> Thanks,
>> Sivakumar
> Doesn't seem that much an improvement over dynamic SQL.
>
> INSERT INTO ...
> SELECT func_outer(func_inner(val1, val2), 4326), val3
> FROM (VALUES (?,?,?)) src (val1,val2,val3);
>
> David J.

I take the editorializing back...

Reading again since the call is expecting a text for the geom then
concatenating together a string seems like a necessary requirement of the
solution.

That said the use of select and values together is something that can be
useful.

David J.




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