@PublicEvolving public final class FieldReferenceExpression extends Object implements ResolvedExpression
Constructor and Description |
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FieldReferenceExpression(String name,
DataType dataType,
int inputIndex,
int fieldIndex) |
Modifier and Type | Method and Description |
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<R> R |
accept(ExpressionVisitor<R> visitor) |
String |
asSerializableString()
Returns a string that fully serializes this instance.
|
String |
asSummaryString()
Returns a string that summarizes this expression for printing to a console.
|
boolean |
equals(Object o) |
List<Expression> |
getChildren() |
int |
getFieldIndex() |
int |
getInputIndex() |
String |
getName() |
DataType |
getOutputDataType()
Returns the data type of the computation result.
|
List<ResolvedExpression> |
getResolvedChildren() |
int |
hashCode() |
String |
toString() |
public String getName()
public int getInputIndex()
public int getFieldIndex()
public DataType getOutputDataType()
ResolvedExpression
getOutputDataType
in interface ResolvedExpression
public List<ResolvedExpression> getResolvedChildren()
getResolvedChildren
in interface ResolvedExpression
public String asSummaryString()
Expression
asSummaryString
in interface Expression
public String asSerializableString()
ResolvedExpression
Catalog
as a
view.asSerializableString
in interface ResolvedExpression
public List<Expression> getChildren()
getChildren
in interface Expression
public <R> R accept(ExpressionVisitor<R> visitor)
accept
in interface Expression
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