case object HashedRelationWithAllNullKeys extends HashedRelation with Product with Serializable
A special HashedRelation indicating that it's built from a non-empty input:Iterator[InternalRow] with all the keys to be null.
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- HashedRelationWithAllNullKeys
- Serializable
- Product
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- HashedRelation
- KnownSizeEstimation
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- final def !=(arg0: Any): Boolean
- Definition Classes
- AnyRef → Any
- final def ##: Int
- Definition Classes
- AnyRef → Any
- final def ==(arg0: Any): Boolean
- Definition Classes
- AnyRef → Any
- final def asInstanceOf[T0]: T0
- Definition Classes
- Any
- def asReadOnlyCopy(): HashedRelationWithAllNullKeys.type
Returns a read-only copy of this, to be safely used in current thread.
Returns a read-only copy of this, to be safely used in current thread.
- Definition Classes
- HashedRelationWithAllNullKeys → HashedRelation
- def clone(): AnyRef
- Attributes
- protected[lang]
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- @throws(classOf[java.lang.CloneNotSupportedException]) @native()
- def close(): Unit
Release any used resources.
Release any used resources.
- Definition Classes
- HashedRelationWithAllNullKeys → HashedRelation
- final def eq(arg0: AnyRef): Boolean
- Definition Classes
- AnyRef
- def equals(arg0: AnyRef): Boolean
- Definition Classes
- AnyRef → Any
- def estimatedSize: Long
- Definition Classes
- HashedRelationWithAllNullKeys → KnownSizeEstimation
- def finalize(): Unit
- Attributes
- protected[lang]
- Definition Classes
- AnyRef
- Annotations
- @throws(classOf[java.lang.Throwable])
- def get(key: InternalRow): Iterator[InternalRow]
Returns matched rows.
Returns matched rows.
Returns null if there is no matched rows.
- Definition Classes
- HashedRelationWithAllNullKeys → HashedRelation
- def get(key: Long): Iterator[InternalRow]
Returns matched rows for a key that has only one column with LongType.
Returns matched rows for a key that has only one column with LongType.
Returns null if there is no matched rows.
- Definition Classes
- HashedRelation
- final def getClass(): Class[_ <: AnyRef]
- Definition Classes
- AnyRef → Any
- Annotations
- @native()
- def getValue(key: InternalRow): InternalRow
Returns the matched single row.
Returns the matched single row.
- Definition Classes
- HashedRelationWithAllNullKeys → HashedRelation
- def getValue(key: Long): InternalRow
Returns the matched single row with key that have only one column of LongType.
Returns the matched single row with key that have only one column of LongType.
- Definition Classes
- HashedRelation
- def getValueWithKeyIndex(key: InternalRow): ValueRowWithKeyIndex
Returns key index and matched single row.
Returns key index and matched single row. This is for unique key case.
Returns null if there is no matched rows.
- Definition Classes
- HashedRelation
- def getWithKeyIndex(key: InternalRow): Iterator[ValueRowWithKeyIndex]
Returns an iterator for key index and matched rows.
Returns an iterator for key index and matched rows.
Returns null if there is no matched rows.
- Definition Classes
- HashedRelation
- final def isInstanceOf[T0]: Boolean
- Definition Classes
- Any
- def keyIsUnique: Boolean
Returns true iff all the keys are unique.
Returns true iff all the keys are unique.
- Definition Classes
- HashedRelationWithAllNullKeys → HashedRelation
- def keys(): Iterator[InternalRow]
Returns an iterator for keys of InternalRow type.
Returns an iterator for keys of InternalRow type.
- Definition Classes
- HashedRelationWithAllNullKeys → HashedRelation
- def maxNumKeysIndex: Int
Returns the maximum number of allowed keys index.
Returns the maximum number of allowed keys index.
- Definition Classes
- HashedRelation
- final def ne(arg0: AnyRef): Boolean
- Definition Classes
- AnyRef
- final def notify(): Unit
- Definition Classes
- AnyRef
- Annotations
- @native()
- final def notifyAll(): Unit
- Definition Classes
- AnyRef
- Annotations
- @native()
- def productElementName(n: Int): String
- Definition Classes
- Product
- def productElementNames: Iterator[String]
- Definition Classes
- Product
- final def synchronized[T0](arg0: => T0): T0
- Definition Classes
- AnyRef
- def valuesWithKeyIndex(): Iterator[ValueRowWithKeyIndex]
Returns an iterator for keys index and rows of InternalRow type.
Returns an iterator for keys index and rows of InternalRow type.
- Definition Classes
- HashedRelation
- final def wait(): Unit
- Definition Classes
- AnyRef
- Annotations
- @throws(classOf[java.lang.InterruptedException])
- 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()