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
logger.logp( java.util.logging.Level.FINE,
				Statement.class.getName( ),
				"getMetaData",
				"Statement.getMetaData( )" );		
		assertNotNull( preStat );
		if ( this.cachedResultMetaData != null )
			return this.cachedResultMetaData;
		
	    java.sql.ResultSetMetaData resultmd = null;
		try
		{
			
			resultmd = preStat.getMetaData( );
		}
		catch ( Throwable e )
		{
			
			
			
			 
			
			
			
			resultmd = null;
		}
		if ( resultmd != null )
		{
			try
			{