AggrFuncExpr class

December 9, 2019

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

public class Korzh.EasyQuery.AggrFuncExpr
    : EqExpression

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

Type	Name	Description
`EqExpression`	Argument	Gets or sets the main argument.
`EntityAttr`	Attribute	Gets or sets the attribute.
`String`	CustomFunc	Gets the custom func for expression if defined
`DataType`	DataType	Gets or sets the data type.
`Boolean`	Distinct	Gets or sets a value indicating whether this `AggrFuncExpr` has "DISTINCT" attribute.
`AggrFunction`	Function	Gets or sets the function.
`Boolean`	IsAggregate	gets a value indicating whether this expression is aggregate.
`Int32`	Tag	Get the expression's tag - a special identifier that is used to distinguish the type of the expression .
`String`	Text	Gets the expression text.
`String`	Value	Gets or sets the expression value.

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