public abstract class AbstractSelectExpression extends HqlSqlWalkerNode implements SelectExpression
Constructor and Description |
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AbstractSelectExpression() |
Modifier and Type | Method and Description |
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String |
getAlias() |
FromElement |
getFromElement()
Returns the FROM element that this expression refers to.
|
int |
getScalarColumnIndex()
Gets index of the select expression in the projection list.
|
boolean |
isConstructor()
Returns true if the element is a constructor (e.g.
|
boolean |
isReturnableEntity()
Returns true if this select expression represents an entity that can be returned.
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boolean |
isScalar() |
void |
setAlias(String alias) |
void |
setScalarColumn(int i)
Sets the index and text for select expression in the projection list.
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getAliasGenerator, getASTFactory, getSessionFactoryHelper, getWalker, initialize
getDataType, getOriginalText, setDataType, setText
getColumn, getFilename, getLine, getRenderText, getTextLength, initialize, initialize
addChild, decode, encode, equals, equalsList, equalsListPartial, equalsTree, equalsTreePartial, findAll, findAllPartial, getFirstChild, getNextSibling, getNumberOfChildren, getTokenNames, removeChildren, setFirstChild, setNextSibling, setVerboseStringConversion, toString, toStringList, toStringTree, xmlSerialize, xmlSerializeNode, xmlSerializeRootClose, xmlSerializeRootOpen
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
getDataType, setScalarColumnText, setText
public final void setAlias(String alias)
setAlias
in interface SelectExpression
public final String getAlias()
getAlias
in interface SelectExpression
public boolean isConstructor()
SelectExpression
isConstructor
in interface SelectExpression
public boolean isReturnableEntity() throws antlr.SemanticException
SelectExpression
isReturnableEntity
in interface SelectExpression
antlr.SemanticException
- if a semantic error occurspublic FromElement getFromElement()
SelectExpression
getFromElement
in interface SelectExpression
public boolean isScalar() throws antlr.SemanticException
isScalar
in interface SelectExpression
antlr.SemanticException
public void setScalarColumn(int i) throws antlr.SemanticException
SelectExpression
setScalarColumn
in interface SelectExpression
i
- The index of the select expression in the projection list.antlr.SemanticException
- if a semantic error occurspublic int getScalarColumnIndex()
SelectExpression
getScalarColumnIndex
in interface SelectExpression
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