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From Peter Ondruška <peter.ondru...@gmail.com>
Subject Re: inserting missing values
Date Tue, 14 Dec 2010 20:05:13 GMT
You need to check using wasNull method whether the value is null. See jdbc
javadocs for ResultSet class.
On Dec 14, 2010 8:46 PM, "Patrick Meyer" <meyerjp3@gmail.com> wrote:
> What is the best way to handle missing values. For example, suppose I have
> an array that I want to insert into a table, like double[] row = {1.0,
2.0,
> MISSING, 4.0} where MISSING indicates a value that is missing. (I realize
> this is not a valid double value). I have been using a prepared statement
to
> set a null value anytime I have missing data like, pstmt.setNull(i+1,
> Types.DOUBLE); However, the problem is that using rs.getDouble(3) returns
a
> value of zero instead of null. The problem is that zero is a legitimate
> double value, not a missing or null value. Is it better to inset data
using
> Double.NAN like pstmt.setDouble(i+1, Double.NaN);? What is the best way to
> handle missing data?
>
> Thanks

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