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

Class SQLAliasedExpr

java.lang.Object

com.alibaba.druid.sql.ast.SQLObjectImpl

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

All Implemented Interfaces:

SQLObject, SQLReplaceable

Direct Known Subclasses:

SQLSelectItem

public class SQLAliasedExpr
extends SQLObjectImpl
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.SQLObjectImpl

attributes, hint, parent, sourceColumn, sourceLine

Constructor Summary

Constructors

Constructor	Description
SQLAliasedExpr()
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()
String	getAlias()
String	getAlias2()
SQLExpr	getExpr()
boolean	replace(SQLExpr expr, SQLExpr target)
void	setAlias(String alias)
void	setExpr(SQLExpr expr)

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, getSourceColumn, getSourceLine, hasAfterComment, hasBeforeComment, output, putAttribute, setHint, setParent, setSource, setSourceLine, toString

Methods inherited from class java.lang.Object

equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Details

expr

protected SQLExpr expr

alias

protected String alias

Constructor Details

SQLAliasedExpr

public SQLAliasedExpr()

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()

Overrides:

computeDataType in class SQLObjectImpl

getAlias

public String getAlias()

getAlias2

public String getAlias2()

setAlias

public void setAlias(String alias)

clone

public SQLAliasedExpr clone()

Specified by:

clone in interface SQLObject

Overrides:

clone in class SQLObjectImpl

cloneTo

protected void cloneTo(SQLAliasedExpr x)