IsNullLogic 类

命名空间

ShadowSql.CompareLogics

程序集

ShadowSql.Core.dll

IS NULL判断

public class IsNullLogic : CompareLogicBase, ISqlLogic, ISqlFragment

继承

object

AtomicLogic

CompareLogicBase

IsNullLogic

实现

ISqlLogic

ISqlFragment

继承成员

CompareLogicBase._field

CompareLogicBase._operation

CompareLogicBase.Field

CompareLogicBase.Operation

扩展方法

ShadowSqlCoreServices.And(AtomicLogic, AndLogic)

ShadowSqlCoreServices.And(AtomicLogic, AtomicLogic)

ShadowSqlCoreServices.And(AtomicLogic, ComplexAndLogic)

ShadowSqlCoreServices.And(AtomicLogic, ComplexOrLogic)

ShadowSqlCoreServices.And(AtomicLogic, EmptyLogic)

ShadowSqlCoreServices.And(AtomicLogic, Logic)

ShadowSqlCoreServices.And(AtomicLogic, OrLogic)

ShadowSqlCoreServices.Or(AtomicLogic, AndLogic)

ShadowSqlCoreServices.Or(AtomicLogic, AtomicLogic)

ShadowSqlCoreServices.Or(AtomicLogic, ComplexAndLogic)

ShadowSqlCoreServices.Or(AtomicLogic, ComplexOrLogic)

ShadowSqlCoreServices.Or(AtomicLogic, EmptyLogic)

ShadowSqlCoreServices.Or(AtomicLogic, Logic)

ShadowSqlCoreServices.Or(AtomicLogic, OrLogic)

构造函数

IsNullLogic(ICompareView)

IS NULL判断

public IsNullLogic(ICompareView field)

参数

field ICompareView

字段

方法

Not()

否定逻辑

public override AtomicLogic Not()

返回

AtomicLogic

TryWrite(ISqlEngine, StringBuilder)

拼写sql

public override bool TryWrite(ISqlEngine engine, StringBuilder sql)

参数

engine ISqlEngine

数据库引擎

sql StringBuilder

sql

返回

bool