Why JRC executes query two times? (reports.queryengine(?:?) - Executing query: ...)

Hello! Using JRC. While creating the report for viewing, I noticed one interesting thing. Why JRC executes query two times AND first time is executed with default parameters AND if default parameters are NULL the query can be invalid (even if it is marked to convert all database NULLs to defaults in Report Options).
<!break>
1. Why do you need to execute query the first time with these default parameters, which are later set to the others? We need to make some valid default parameters to make everything work. Also it is not efficient to execute unnecessary query.
2. If I'm wrong could you explain please? If I'm right, is it a bug and when do you fix it?
Waiting for answer,
Anton Stalnuhhin
Java-developer, Webmedia AS

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%

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Hi,
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[http://support.mozilla.com/en-US/kb/Safe+Mode]
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[http://support.mozilla.com/en-US/kb/troubleshooting+extensions+and+themes]

Why JRC executes query two times? (reports.queryengine(?:?) - Executing query: ...)

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