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.
core/org.eclipse.birt.core/src/org/eclipse/birt/core/data/DataTypeUtil.java
* @param odiTypeClass  a type class used by the Data Engine ODI component
	 * @return  the ODA data type that maps to the ODI type class.
	 */
	public static int toOdaDataType( Class odiTypeClass )
	{
		int odaType = Types.CHAR; 
		if ( odiTypeClass == null )
			odaType = Types.CHAR;
		else if ( odiTypeClass == String.class )
			odaType = Types.CHAR;
		else if ( odiTypeClass == Integer.class )
			odaType = Types.INTEGER;
		else if ( odiTypeClass == Double.class )
			odaType = Types.DOUBLE;
		else if ( odiTypeClass == BigDecimal.class )
			odaType = Types.DECIMAL;
		else if ( odiTypeClass == Date.class )
			odaType = Types.DATE;
		else if ( odiTypeClass == Time.class )
			odaType = Types.TIME;
		else if ( odiTypeClass == Timestamp.class )
			odaType = Types.TIMESTAMP;
		else if ( odiTypeClass == Blob.class )
			odaType = Types.BLOB;
		else if ( odiTypeClass == Clob.class )
			odaType = Types.CLOB;
		return odaType;
	}
}