Function
public class Function: Expression
Function represents a function expression.
-
Create an AVG() function expression that returns the average of all the number values in the group of the values expressed by the given expression. @param expression The expression. @return The average value.
Declaration
Swift
public static func avg(_ expression: Any) -> Expression
-
Create a COUNT() function expression that returns the count of all values in the group of the values expressed by the given expression. @param expression The expression. @return The count value.
Declaration
Swift
public static func count(_ expression: Any) -> Expression
-
Create a MIN() function expression that returns the minimum value in the group of the values expressed by the given expression. @param expression The expression. @return The minimum value.
Declaration
Swift
public static func min(_ expression: Any) -> Expression
-
Create a MAX() function expression that returns the maximum value in the group of the values expressed by the given expression. @param expression The expression. @return The maximum value.
Declaration
Swift
public static func max(_ expression: Any) -> Expression
-
Create a SUM() function expression that return the sum of all number values in the group of the values expressed by the given expression. @param expression The expression. @return The sum value.
Declaration
Swift
public static func sum(_ expression: Any) -> Expression