Bug 123576 Data can't be retrieved when exporting data
Description: Data can't be retrieved when exporting data Steps to reproduce: 1.Preview the attached file in Web Viewer 2.Exported the data in table Expected result: The data is exported as a CSV file Actual result: No data is retrieved
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/api/impl/DataExtractionTask.java
}
		assert mapQueryIDToResultSetName != null;
		
		if (mapDispNameToResultSetName == null)
		{
			mapDispNameToResultSetName = new HashMap();
		}
		else
		{
			mapDispNameToResultSetName.clear( );
		}
		
		
		if( this.mapQueryToDispName == null )
		{
			this.mapQueryToDispName = new HashMap( );
		}
		else
		{
			this.mapQueryToDispName.clear( );
		}
		
		
		if( this.mapResultSetNameToQuery == null )
		{
			this.mapResultSetNameToQuery  = new HashMap( );
		}
		else
		{
			this.mapResultSetNameToQuery.clear( );