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). |