QueryExpr class

Represents a sub-query expression

public class Korzh.EasyQuery.QueryExpr
    : EqExpression

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

Assembly: Korzh.EasyQuery.dll

Constructors

Name	Type	Description
QueryExpr(DataModel model)	void	Initializes a new instance of the Korzh.EasyQuery.QueryExpr class.

Properties

Name	Type	Description
DataType	DataType	Gets or sets the data type.
IsPlainSql	bool	Gets a value indicating whether this instance contains a plain SQL statement.
Kind	DataKind	Gets the expression kind.
Query	Query	Gets or sets the query.
Tag	int	Get the expression’s tag - a special identifier that is used to distinguish the type of the expression .

Methods

Name	Type	Description
LoadFromXmlReader(XmlReader reader)	void	Loads expression from System.Xml.XmlReader object.
ReadOnePropFromJsonAsync(JsonReader reader, string propName)	Task	Reads the expression properties from JSON (asynchronous way).
SaveToXmlWriter(XmlWriter writer, string tagName)	void	Saves expression to System.Xml.XmlWriter object.
TagToOldClassName(int tag)	string	Converts the expression’s tag value to the name of old expression class (like “CONST” or “ENTATTR”).
WritePropertiesToJsonAsync(JsonWriter writer)	Task	Writes expression properties to JSON (asynchronous way).