SingleColumn
An attribute that produces a single column value with a given expression.
Attributes
- Graph
- Supertypes
- trait Attributetrait LogSupporttrait LazyLoggertrait LoggingMethodstrait Serializabletrait LeafExpressiontrait Expressiontrait Producttrait Equalstrait TreeNode[Expression]class Objecttrait Matchableclass Any
Members list
Value members
Concrete methods
Attributes
- Definition Classes
Attributes
- Definition Classes
Return columns used for generating this attribute
Return columns generated from this attribute
Returns the unmodified source columns referenced by this Attribute
Returns the unmodified source columns referenced by this Attribute
Attributes
- Definition Classes
Attributes
- Definition Classes
Returns a string representation of the object.
Returns a string representation of the object.
The default representation is platform dependent.
Attributes
- Returns:
a string representation of the object.
- Definition Classes
- Any
Attributes
- Definition Classes
Inherited methods
Column name without qualifier
Attributes
- Inherited from:
- Expression
Attributes
- Inherited from:
- Expression
Attributes
- Inherited from:
- Expression
Attributes
- Inherited from:
- LoggingMethods
Attributes
- Inherited from:
- LoggingMethods
Attributes
- Inherited from:
- LoggingMethods
Attributes
- Inherited from:
- LoggingMethods
Attributes
- Inherited from:
- LoggingMethods
Attributes
- Inherited from:
- LoggingMethods
Attributes
- Inherited from:
- LoggingMethods
If a given column name matches with this Attribute, return this. If there are multiple candidate attributes (e.g., via Join, Union), return MultiSourceAttribute.
If a given column name matches with this Attribute, return this. If there are multiple candidate attributes (e.g., via Join, Union), return MultiSourceAttribute.
Attributes
- Inherited from:
- Attribute
Return true if this Attribute matches with a given column path
Attributes
- Inherited from:
- Product
Attributes
- Inherited from:
- Product
Attributes
- Inherited from:
- Expression
Attributes
- Inherited from:
- Expression
Attributes
- Inherited from:
- Attribute
Attributes
- Inherited from:
- LoggingMethods
Attributes
- Inherited from:
- LoggingMethods
Recursively transform the expression in breadth-first order
Attributes
- Inherited from:
- Expression
Recursively transform the expression in depth-first order
Attributes
- Inherited from:
- Expression
Attributes
- Inherited from:
- Expression
Attributes
- Inherited from:
- Expression
Attributes
- Inherited from:
- LoggingMethods
Attributes
- Inherited from:
- LoggingMethods
Attributes
- Inherited from:
- Attribute
Inherited fields
Attributes
- Inherited from:
- Expression