AggrFuncExpr class

Represents an expression which is a result of applying some functions to other expressions

public class Korzh.EasyQuery.AggrFuncExpr
    : EqExpression

Package: Korzh.EasyQuery (targets: netstandard2.0)

Assembly: Korzh.EasyQuery.dll

Constructors

Name	Type	Description
AggrFuncExpr(DataModel model, string funcId, EqExpression argExpr)	void	Initializes a new instance of the Korzh.EasyQuery.AggrFuncExpr class.

Fields

Name	Type	Description
_function	AggrFunction	The function of Korzh.EasyQuery.AggrFuncExpr

Properties

Name	Type	Description
Argument	EqExpression	Gets or sets the main argument.
Attribute	EntityAttr	Gets or sets the attribute.
CustomFunc	string	Gets the custom func for expression if defined
DataType	DataType	Gets or sets the data type.
Function	AggrFunction	Gets or sets the function.
IsAggregate	bool	gets a value indicating whether this expression is aggregate.
IsDistinct	bool	Gets or sets a value indicating whether this AggrFuncExpr has “DISTINCT” attribute.
Tag	int	Get the expression’s tag - a special identifier that is used to distinguish the type of the expression .
Text	string	Gets the expression text.
Value	string	Gets or sets the expression value.

Methods

Name	Type	Description
AssignExpr(EqExpression expr)	void	Assigns some expression to this one. For AggrFuncExpr class this method assigns the Expression object passed in parameter to Argument property
LoadFromXmlReader(XmlReader reader)	void	Loads expression from XML.
ReadOnePropFromJsonAsync(JsonReader reader, string propName)	Task	Reads one property from JSON (asynchronous way).
SaveToXmlWriter(XmlWriter writer, string tagName)	void	Saves expression to XML writer.
SetContentSilent(string val, string txt)	void	Sets the content of the expression silently (without calling ContentChanged event).
WritePropertiesToJsonAsync(JsonWriter writer)	Task	Writes one property to JSON (asynchronous way).