Bug 195970 Two issues when evaluate a query inlcuding a subquery[07]
Description: Currently, when evaluating a query which includes a subquery, the query will be evaluated twice. The binding of query will pass to subquery twice. If user write a java script such as new Date() and i++. The result of query will be incorrect. Another issue: when write the report document, the binding of query will be written twice and the performance is not good to evalulate it twice.
data/org.eclipse.birt.data/src/org/eclipse/birt/data/engine/impl/ResultIterator.java
}
			
			odiResult.first( 0 );
			if ( odiResult.getCurrentResult( ) == null )
				return false;
			do
			{
				for ( int i = 0; i < columnNames.length; i++ )
				{
					if ( groupKeyValuesEqual( odiResult,
							groupKeyValues,
							columnNames,
							i ) )
					{
						if ( i == columnNames.length - 1 )
							return true;
					}
					else
					{
						
						
						resultIterator.skipToEnd( i + 1 );
						break;
					}
				}
			} while ( odiResult.next( ) );
			return false;
		}
		/**
		 * @param groupKeyValues