Package com.alibaba.druid.sql.ast.expr

Class SQLAliasedExpr

java.lang.Object

com.alibaba.druid.sql.ast.SQLObjectImpl

com.alibaba.druid.sql.ast.SQLExprImpl

com.alibaba.druid.sql.ast.expr.SQLAliasedExpr

All Implemented Interfaces:

SQLExpr, SQLObject, SQLReplaceable, Cloneable

Direct Known Subclasses:

SQLSelectItem

public class SQLAliasedExpr
extends SQLExprImpl
implements SQLReplaceable

Field Summary

Fields

Modifier and Type	Field	Description
protected String	alias
protected SQLExpr	expr

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
SQLAliasedExpr()
SQLAliasedExpr(SQLExpr expr)
SQLAliasedExpr(SQLExpr expr, String alias)

Method Summary

Modifier and Type	Method	Description
protected void	accept0(SQLASTVisitor v)
SQLAliasedExpr	clone()
protected void	cloneTo(SQLAliasedExpr x)
String	computeAlias()
SQLDataType	computeDataType()
boolean	equals(Object o)
String	getAlias()
String	getAlias2()
SQLExpr	getExpr()
int	hashCode()
boolean	replace(SQLExpr expr, SQLExpr target)
void	setAlias(String alias)
void	setExpr(SQLExpr expr)

Methods inherited from class com.alibaba.druid.sql.ast.SQLExprImpl

cloneTo, getChildren, 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

Field Details

expr

protected SQLExpr expr

alias

protected String alias

Constructor Details

SQLAliasedExpr

public SQLAliasedExpr()

SQLAliasedExpr

public SQLAliasedExpr(SQLExpr expr)

SQLAliasedExpr

public SQLAliasedExpr(SQLExpr expr,
 String alias)

Method Details

accept0

protected void accept0(SQLASTVisitor v)

Specified by:

accept0 in class SQLObjectImpl

getExpr

public SQLExpr getExpr()

setExpr

public void setExpr(SQLExpr expr)

replace

public boolean replace(SQLExpr expr,
 SQLExpr target)

Specified by:

replace in interface SQLReplaceable

computeAlias

public String computeAlias()

computeDataType

public SQLDataType computeDataType()

Specified by:

computeDataType in interface SQLExpr

Overrides:

computeDataType in class SQLExprImpl

getAlias

public String getAlias()

getAlias2

public String getAlias2()

setAlias

public void setAlias(String alias)

clone

public SQLAliasedExpr clone()

Specified by:

clone in interface SQLExpr

Specified by:

clone in interface SQLObject

Specified by:

clone in class SQLExprImpl

cloneTo

protected void cloneTo(SQLAliasedExpr x)

equals

public boolean equals(Object o)

Specified by:

equals in class SQLExprImpl

hashCode

public int hashCode()

Specified by:

hashCode in class SQLExprImpl