Hi All.
I'm using iBatis 3 beta 5 for Java 6 with ojdbc6.jar (Oracle 11g).
I got working simple mapper like this:
public interface RateMapper {
@Select("select rate from rate_table where rate_id = #{id}")
double getRate(int id);
}
Then I tried to disable cache for this statement:
public interface RateMapper {
@Options(useCache = false)
@Select("select rate from rate_table where rate_id = #{id}")
double getRate(int id);
}
and got NullPointerException...
digging through the code I found it thrown because following statement
returns null:
KeyGenerator keyGenerator = mappedStatement.getKeyGenerator();
in the
org.apache.ibatis.executor.statement.PreparedStatementHandler.parameterize()
method.
Intuitively adding to the Options "useGeneratedKeys = true" I was able to
get it working again:
...
@Options(useCache = false, useGeneratedKeys = true)
...
How does option "useGeneratedKeys" relate to "useCache" in case of select
statement?
Does it actually relate or it just a side-effect making buggy code
fortunately working?
Thanks.
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