airframe-sql
API
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airframe-sql/wvlet.airframe.sql/wvlet.airframe.sql.model/Expression/UnresolvedAttribute

UnresolvedAttribute

wvlet.airframe.sql.model.Expression.UnresolvedAttribute
case class UnresolvedAttribute(qualifier: Option[String], name: String, tableAlias: Option[String], nodeLocation: Option[NodeLocation]) extends Attribute

Attributes

Graph
Supertypes
trait Attribute
trait LogSupport
trait LazyLogger
trait LoggingMethods
trait Serializable
trait Expression
trait Product
trait Equals
class Object
trait Matchable
class Any
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Members list

Value members

Concrete methods

override def inputColumns: Seq[Attribute]

Return columns used for generating this attribute

Return columns used for generating this attribute

Attributes

Definition Classes
override def outputColumns: Seq[Attribute]

Return columns generated from this attribute

Return columns generated from this attribute

Attributes

Definition Classes
override def sourceColumns: Seq[SourceColumn]

Returns the unmodified source columns referenced by this Attribute

Returns the unmodified source columns referenced by this Attribute

Attributes

Definition Classes
override def sqlExpr: String

Attributes

Definition Classes
override def toString: String

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
override def withQualifier(newQualifier: Option[String]): UnresolvedAttribute

Attributes

Definition Classes
override def withTableAlias(tableAlias: Option[String]): Attribute

Attributes

Definition Classes

Inherited methods

def alias: Option[String]

Attributes

Inherited from:
Attribute
override def attributeName: String

Column name without qualifier

Column name without qualifier

Attributes

Definition Classes
Inherited from:
Attribute
override def children: Seq[Expression]

Attributes

Definition Classes
Inherited from:
LeafExpression
def collectExpressions(cond: PartialFunction[Expression, Boolean]): List[Expression]

Attributes

Inherited from:
Expression
def collectSubExpressions: List[Expression]

Attributes

Inherited from:
Expression
def dataType: DataType

Attributes

Inherited from:
Expression
def dataTypeName: String

Attributes

Inherited from:
Expression
inline protected def debug(inline message: Any, inline cause: Throwable): Unit

Attributes

Inherited from:
LoggingMethods
inline protected def debug(inline message: Any): Unit

Attributes

Inherited from:
LoggingMethods
inline protected def error(inline message: Any, inline cause: Throwable): Unit

Attributes

Inherited from:
LoggingMethods
inline protected def error(inline message: Any): Unit

Attributes

Inherited from:
LoggingMethods
def fullName: String

Attributes

Inherited from:
Attribute
inline protected def info(inline message: Any, inline cause: Throwable): Unit

Attributes

Inherited from:
LoggingMethods
inline protected def info(inline message: Any): Unit

Attributes

Inherited from:
LoggingMethods
inline protected def logAt(inline logLevel: LogLevel, inline message: Any): Unit

Attributes

Inherited from:
LoggingMethods
def matched(columnPath: ColumnPath, context: AnalyzerContext): Option[Attribute]

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
def matchesWith(columnPath: ColumnPath): Boolean

Return true if this Attribute matches with a given column path

Return true if this Attribute matches with a given column path

Attributes

Inherited from:
Attribute
def prefix: String

Attributes

Inherited from:
Attribute
def productElementNames: Iterator[String]

Attributes

Inherited from:
Product
def productIterator: Iterator[Any]

Attributes

Inherited from:
Product
def resolvedChildren: Boolean

Attributes

Inherited from:
Expression
def resolvedInputs: Boolean

Attributes

Inherited from:
Expression
inline protected def trace(inline message: Any, inline cause: Throwable): Unit

Attributes

Inherited from:
LoggingMethods
inline protected def trace(inline message: Any): Unit

Attributes

Inherited from:
LoggingMethods
def transformExpression(rule: PartialFunction[Expression, Expression]): Expression

Recursively transform the expression in breadth-first order

Recursively transform the expression in breadth-first order

Attributes

Inherited from:
Expression
def transformPlan(rule: PartialFunction[LogicalPlan, LogicalPlan]): Expression

Attributes

Inherited from:
Expression
def transformUpExpression(rule: PartialFunction[Expression, Expression]): Expression

Recursively transform the expression in depth-first order

Recursively transform the expression in depth-first order

Attributes

Inherited from:
Expression
def traverseExpressions[U](rule: PartialFunction[Expression, U]): Unit

Attributes

Inherited from:
Expression
def traversePlan[U](rule: PartialFunction[LogicalPlan, U]): Unit

Attributes

Inherited from:
Expression
def traversePlanOnce[U](rule: PartialFunction[LogicalPlan, U]): Unit

Attributes

Inherited from:
Expression
def typeDescription: String
  • Returns "(name):(type)" of this attribute

Attributes

Inherited from:
Expression
inline protected def warn(inline message: Any, inline cause: Throwable): Unit

Attributes

Inherited from:
LoggingMethods
inline protected def warn(inline message: Any): Unit

Attributes

Inherited from:
LoggingMethods
def withAlias(newAlias: Option[String]): Attribute

Attributes

Inherited from:
Attribute
def withAlias(newAlias: String): Attribute

Attributes

Inherited from:
Attribute
def withQualifier(newQualifier: String): Attribute

Attributes

Inherited from:
Attribute
def withTableAlias(tableAlias: String): Attribute

Attributes

Inherited from:
Attribute

Concrete fields

lazy override val resolved: Boolean
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