Bug 152443 Support boolean type in data set
Support boolean type in data set. It'll cause some data transform issue with absence of boolean type.
data/org.eclipse.birt.report.data.oda.jdbc/src/org/eclipse/birt/report/data/oda/jdbc/Statement.java
resultmd.getColumnCount( );
				
				
				
				
				
				
				if (resultmd.getColumnCount() <= 0) {
					resultmd = null;
				}
			}
			catch ( SQLException e )
			{
				resultmd = null;
			}
			if ( resultmd != null )
			{
				cachedResultMetaData = new ResultSetMetaData( resultmd );
			}
		}
		
		if ( cachedResultMetaData == null )
		{
			
			
			
			this.cachedResultSet = executeQuery( );
			if ( this.cachedResultSet != null )