abstract class ExtendedRelOp extends RelOp
Extended (non-standard) relational operators
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Instance Constructors
- new ExtendedRelOp()
Abstract Value Members
- abstract val arity: Int
Arity of the operator (that is, number of inputs)
Arity of the operator (that is, number of inputs)
- Definition Classes
- RelOp
- abstract def isStreamEvaluable(inputs: List[RelExpr]): Boolean
Is this operator evaluable over the input stream?
- abstract def resultOrder(inputs: List[RelExpr]): List[SortExpr]
The sort order of the result of this operator
The sort order of the result of this operator
- inputs
Input expressions
- returns
Sort order of the result of this operator (if any)
- Definition Classes
- RelOp
- abstract def starColumns(inputs: List[RelExpr]): List[AnnotColRef]
The columns in the result of "select *" over this operator
The columns in the result of "select *" over this operator
- inputs
Input expressions
- returns
Columns in the result of "select *" over this operator
- Definition Classes
- RelOp
- abstract def tableColRefs(inputs: List[RelExpr]): List[ColRef]
The column names in the result of this operator
The column names in the result of this operator
- inputs
Input expressions
- returns
Columns names in the result of this operator
- Definition Classes
- RelOp
- abstract def tableNames(inputs: List[RelExpr]): List[String]
The table names in the scope of the result of this operator
The table names in the scope of the result of this operator
- inputs
Input expressions
- returns
Table names in the scope of the result of this operator
- Definition Classes
- RelOp
Concrete Value Members
- final def !=(arg0: Any): Boolean
- Definition Classes
- AnyRef → Any
- final def ##(): Int
- Definition Classes
- AnyRef → Any
- final def ==(arg0: Any): Boolean
- Definition Classes
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- final def asInstanceOf[T0]: T0
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- def clone(): AnyRef
- Attributes
- protected[lang]
- Definition Classes
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- Annotations
- @throws(classOf[java.lang.CloneNotSupportedException]) @native() @HotSpotIntrinsicCandidate()
- final def eq(arg0: AnyRef): Boolean
- Definition Classes
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- def equals(arg0: AnyRef): Boolean
- Definition Classes
- AnyRef → Any
- final def getClass(): Class[_ <: AnyRef]
- Definition Classes
- AnyRef → Any
- Annotations
- @native() @HotSpotIntrinsicCandidate()
- def hashCode(): Int
- Definition Classes
- AnyRef → Any
- Annotations
- @native() @HotSpotIntrinsicCandidate()
- final def isInstanceOf[T0]: Boolean
- Definition Classes
- Any
- def isLocEvaluable(loc: Location): Boolean
Is this operator evaluable at the given location?
- def locationIdOpt(inputs: List[RelExpr]): Option[LocationId]
The location where this operator can be evaluated
The location where this operator can be evaluated
- inputs
Input expressions
- returns
Location where this operator can be evaluated (if any)
- Definition Classes
- ExtendedRelOp → RelOp
- final def ne(arg0: AnyRef): Boolean
- Definition Classes
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- final def notify(): Unit
- Definition Classes
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- Annotations
- @native() @HotSpotIntrinsicCandidate()
- final def notifyAll(): Unit
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- @native() @HotSpotIntrinsicCandidate()
- final def synchronized[T0](arg0: => T0): T0
- Definition Classes
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- def toString(): String
- Definition Classes
- AnyRef → Any
- final def wait(arg0: Long, arg1: Int): Unit
- Definition Classes
- AnyRef
- Annotations
- @throws(classOf[java.lang.InterruptedException])
- final def wait(arg0: Long): Unit
- Definition Classes
- AnyRef
- Annotations
- @throws(classOf[java.lang.InterruptedException]) @native()
- final def wait(): Unit
- Definition Classes
- AnyRef
- Annotations
- @throws(classOf[java.lang.InterruptedException])