SQLExtractExpr (druid 1.2.26 API)

java.lang.Object
- com.alibaba.druid.sql.ast.SQLObjectImpl
- - com.alibaba.druid.sql.ast.SQLExprImpl
  - - com.alibaba.druid.sql.ast.expr.SQLExtractExpr

All Implemented Interfaces:: SQLExpr, SQLObject, SQLReplaceable, Cloneable

public class SQLExtractExpr
extends SQLExprImpl
implements SQLReplaceable

Field Summary
- Fields inherited from class com.alibaba.druid.sql.ast.SQLExprImpl
  parenthesized, parenthesizedCount
- Fields inherited from class com.alibaba.druid.sql.ast.SQLObjectImpl
  attributes, hint, parent, sourceColumn, sourceLine

Constructor Summary

Constructors
Constructor Description

SQLExtractExpr()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`protected void`	`accept0(SQLASTVisitor visitor)`
`SQLExtractExpr`	`clone()`
`SQLDataType`	`computeDataType()`
`boolean`	`equals(Object obj)`
`List`	`getChildren()`
`SQLIntervalUnit`	`getUnit()`
`SQLExpr`	`getValue()`
`int`	`hashCode()`
`boolean`	`replace(SQLExpr expr, SQLExpr target)`
`void`	`setUnit(SQLIntervalUnit unit)`
`void`	`setValue(SQLExpr value)`

Methods inherited from class com.alibaba.druid.sql.ast.SQLExprImpl
cloneTo, getParenthesizedCount, increaseParenthesizedCount, isParenthesized, setParenthesized, setParenthesizedCount

Methods inherited from class com.alibaba.druid.sql.ast.SQLObjectImpl
accept, acceptChild, acceptChild, addAfterComment, addAfterComment, addBeforeComment, addBeforeComment, cloneTo, containsAttribute, getAfterCommentsDirect, getAttribute, getAttributes, getAttributesDirect, getBeforeCommentsDirect, getHint, getParent, getParent, getSourceColumn, getSourceLine, hasAfterComment, hasBeforeComment, output, putAttribute, setHint, setParent, setSource, setSourceLine, toString

Methods inherited from class java.lang.Object
finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface com.alibaba.druid.sql.ast.SQLExpr
getHint

Methods inherited from interface com.alibaba.druid.sql.ast.SQLObject
accept, addAfterComment, addAfterComment, addBeforeComment, addBeforeComment, containsAttribute, getAfterCommentsDirect, getAttribute, getAttributes, getAttributesDirect, getBeforeCommentsDirect, getParent, getParent, getSourceColumn, getSourceLine, hasAfterComment, hasBeforeComment, output, putAttribute, setParent, setSource

- Constructor Detail
  - SQLExtractExpr
```
public SQLExtractExpr()
```
- Method Detail
  - clone
```
public SQLExtractExpr clone()
```
    Specified by:
    
    clone in interface SQLExpr
    
    Specified by:
    
    clone in interface SQLObject
    
    Specified by:
    
    clone in class SQLExprImpl
  - getValue
```
public SQLExpr getValue()
```
  - setValue
```
public void setValue(SQLExpr value)
```
  - getUnit
```
public SQLIntervalUnit getUnit()
```
  - setUnit
```
public void setUnit(SQLIntervalUnit unit)
```
  - accept0
```
protected void accept0(SQLASTVisitor visitor)
```
    Specified by:
    
    accept0 in class SQLObjectImpl
  - replace
```
public boolean replace(SQLExpr expr,
                       SQLExpr target)
```
    Specified by:
    
    replace in interface SQLReplaceable
  - getChildren
```
public List getChildren()
```
    Specified by:
    
    getChildren in interface SQLExpr
    
    Overrides:
    
    getChildren in class SQLExprImpl
  - hashCode
```
public int hashCode()
```
    Specified by:
    
    hashCode in class SQLExprImpl
  - equals
```
public boolean equals(Object obj)
```
    Specified by:
    
    equals in class SQLExprImpl
  - computeDataType
```
public SQLDataType computeDataType()
```
    Specified by:
    
    computeDataType in interface SQLExpr
    
    Overrides:
    
    computeDataType in class SQLExprImpl