IsNullExpression (core 0.15.1 API)

java.lang.Object
- me.danwi.sqlex.core.query.expression.IsNullExpression

All Implemented Interfaces:: Expression, NotVariantExpression

public class IsNullExpression
extends java.lang.Object
implements NotVariantExpression

Constructor Summary

Constructors
Constructor Description

IsNullExpression(Expression expression)

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`java.lang.String`	`toNotSQL()`	表达式转换成SQL片段,在Not语境中
`java.lang.String`	`toSQL()`	表达式转换成SQL片段

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface me.danwi.sqlex.core.query.expression.Expression
add, and, div, eq, gt, gte, in, isNotNull, isNull, like, lt, lte, mul, ne, notIn, notLike, or, sub

- Constructor Detail
  - IsNullExpression
```
public IsNullExpression(Expression expression)
```
- Method Detail
  - toSQL
```
public java.lang.String toSQL()
```
    Description copied from interface: Expression
    
    表达式转换成SQL片段
    
    Specified by:
    
    toSQL in interface Expression
    
    Returns:
    
    SQL判断
  - toNotSQL
```
public java.lang.String toNotSQL()
```
    Description copied from interface: NotVariantExpression
    
    表达式转换成SQL片段,在Not语境中
    
    Specified by:
    
    toNotSQL in interface NotVariantExpression
    
    Returns:
    
    SQL片段