Bug 179674 Support time dimension in model
When define time dimension in model, the "itTime" property will be set. However this is not enough. We also need to know to what precision the time value should be evaluated, say, year, month, day, etc. Model needs to be enhanced to support such requirement.
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/api/elements/DesignChoiceConstants.java
public static final String FILTER_OPERATOR_EQ = "eq"; 
	public static final String FILTER_OPERATOR_NE = "ne"; 
	public static final String FILTER_OPERATOR_LT = "lt"; 
	public static final String FILTER_OPERATOR_LE = "le"; 
	public static final String FILTER_OPERATOR_GE = "ge"; 
	public static final String FILTER_OPERATOR_GT = "gt"; 
	public static final String FILTER_OPERATOR_BETWEEN = "between"; 
	public static final String FILTER_OPERATOR_NOT_BETWEEN = "not-between"; 
	public static final String FILTER_OPERATOR_NULL = "is-null"; 
	public static final String FILTER_OPERATOR_NOT_NULL = "is-not-null"; 
	public static final String FILTER_OPERATOR_TRUE = "is-true"; 
	public static final String FILTER_OPERATOR_FALSE = "is-false"; 
	public static final String FILTER_OPERATOR_LIKE = "like"; 
	public static final String FILTER_OPERATOR_TOP_N = "top-n"; 
	public static final String FILTER_OPERATOR_BOTTOM_N = "bottom-n"; 
	public static final String FILTER_OPERATOR_TOP_PERCENT = "top-percent"; 
	public static final String FILTER_OPERATOR_BOTTOM_PERCENT = "bottom-percent"; 
	/**
	 * @deprecated in BIRT 2.1. This operator is not supported.
	 */
	public static final String FILTER_OPERATOR_ANY = "any"; 
	public static final String FILTER_OPERATOR_MATCH = "match"; 
	public static final String FILTER_OPERATOR_NOT_LIKE = "not-like"; 
	public static final String FILTER_OPERATOR_NOT_MATCH = "not-match"; 
	/**
	 * columnAlign -- The column alignment The first constant is the name of
	 * columnAlign choice. The followed constants are valid choice values of
	 * columnAlign.
	 */
	public static final String CHOICE_COLUMN_ALIGN = "columnAlign";