Bug 179938 [Automation][Regression] Exception is thrown out when preview the data set with parameter [0705]
Description: Exception is thrown out when preview the data set with parameter. Build number: 2.2.0.v20070329-1055 Steps to reproduce: 1. New a data source and a data set with a parameter and binding the parameter to a report parameter. 2. Preview Results. Expected result: No exception is thrown out. Actual result: Exception is thrown out. Error log: A BIRT exception occurred. Plug-in Provider:Eclipse.org Plug-in Name:BIRT Data Engine Plug-in ID:org.eclipse.birt.data Version:2.2.0.v20070329-1055 Error Code:odaconsumer.CannotExecuteStatement Error Message:Cannot execute the statement. SQL statement does not return a ResultSet object. SQL error #1: At least one parameter to the current statement is uninitialized.
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/adapter/ModelDteApiAdapter.java
*/
	IComputedColumn newComputedColumn( ComputedColumnHandle modelCmptdColumn )
			throws EngineException
	{
		
		if ( modelCmptdColumn.getExpression( ) == null )
		{
			throw new EngineException(
					MessageConstants.MISSING_COMPUTED_COLUMN_EXPRESSION_EXCEPTION,
					modelCmptdColumn.getName( ) );
		}
		return new ComputedColumn( modelCmptdColumn.getName( ),
				modelCmptdColumn.getExpression( ),
				toDteDataType( modelCmptdColumn.getDataType( ) ) );
	}
	/**
	 * Creates a new DtE API IJSExprFilter or IColumnFilter from a model's
	 * filter condition. Could return null if no expression nor column operator
	 * is defined.
	 */
	IFilterDefinition newFilter( FilterConditionHandle modelFilter )
	{
		String filterExpr = modelFilter.getExpr( );
		if ( filterExpr == null || filterExpr.length( ) == 0 )
			return null; 
		
		String filterOpr = modelFilter.getOperator( );
		if ( filterOpr == null || filterOpr.length( ) == 0 )
			return new FilterDefinition( new ScriptExpression( filterExpr ) );
		/*