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
.equals( "org.eclipse.datatools.connectivity.oda.IBlob" ) )
			return DataType.BINARY_TYPE;
		
		return DataType.UNKNOWN_TYPE;
	}
	/**
	 * Converts an ODA data type code to its 
	 * corresponding Data Engine API data type constant
	 * defined in DataType.
	 * @param odaDataTypeCode   an ODA data type code
	 * @throws BirtException if the specified ODA data type code
	 *                      is not a supported type
	 */
	public static int toApiDataType( int odaDataTypeCode ) throws BirtException
	{
		Class odiTypeClass = toOdiTypeClass( odaDataTypeCode );
		return toApiDataType( odiTypeClass );
	}
	/**
	 * Convert object to a suitable type from its value 
	 * Object -> Integer -> Double -> BigDecimal -> Date -> String
	 */
	public static Object toAutoValue( Object evaValue )
	{
		if ( evaValue == null )
			return null;
		Object value = null;
		if ( evaValue instanceof String )
		{