UpdatableRelation

Abstract Value Members

abstract def destroy(ifExists: Boolean): Unit

Destroy and cleanup this relation.
Destroy and cleanup this relation. It may include, but not limited to, dropping the external table that this relation represents.

Definition Classes
DestroyRelation
abstract def executeUpdate(sql: String, defaultSchema: String): Int

Execute a DML SQL and return the number of rows affected.
Execute a DML SQL and return the number of rows affected.

Definition Classes
SingleRowInsertableRelation
abstract def getDeletePlan(relation: LogicalRelation, child: SparkPlan, keyColumns: Seq[Attribute]): SparkPlan

Get a spark plan to delete rows the relation.
Get a spark plan to delete rows the relation. The result of SparkPlan execution should be a count of number of updated rows.

Definition Classes
MutableRelation
abstract def getKeyColumns: Seq[String]

Get the "key" columns for the table that need to be projected out by UPDATE and DELETE operations for affecting the selected rows.
Get the "key" columns for the table that need to be projected out by UPDATE and DELETE operations for affecting the selected rows.

Definition Classes
MutableRelation
abstract def getPrimaryKeyColumns: Seq[String]

Get the "primary key" of the row table and "key columns" of the column table
Get the "primary key" of the row table and "key columns" of the column table

Definition Classes
MutableRelation
abstract def getUpdatePlan(relation: LogicalRelation, child: SparkPlan, updateColumns: Seq[Attribute], updateExpressions: Seq[Expression], keyColumns: Seq[Attribute]): SparkPlan

Get a spark plan to update rows in the relation.
Get a spark plan to update rows in the relation. The result of SparkPlan execution should be a count of number of updated rows.

Definition Classes
MutableRelation
abstract def partitionColumns: Seq[String]

Get the partitioning columns for the table, if any.
Get the partitioning columns for the table, if any.

Definition Classes
MutableRelation
abstract def schema: StructType

Definition Classes
BaseRelation
abstract def sqlContext: SQLContext

Definition Classes
BaseRelation
abstract def table: String

Name of this mutable table as stored in catalog.
Name of this mutable table as stored in catalog.

Definition Classes
MutableRelation
abstract def truncate(): Unit

Truncate the table represented by this relation.
Truncate the table represented by this relation.

Definition Classes
DestroyRelation
abstract def update(filterExpr: String, newColumnValues: Row, updateColumns: Seq[String]): Int

Update a set of rows matching given criteria.
Update a set of rows matching given criteria.
filterExpr
SQL WHERE criteria to select rows that will be updated
newColumnValues
updated values for the columns being changed; must match updateColumns
updateColumns
the columns to be updated; must match updatedColumns
returns
number of rows affected

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
AnyRef → Any
final def asInstanceOf[T0]: T0

Definition Classes
Any
def clone(): AnyRef

Attributes
protected[java.lang]
Definition Classes
AnyRef
Annotations
@throws( ... )
final def eq(arg0: AnyRef): Boolean

Definition Classes
AnyRef
def equals(arg0: Any): Boolean

Definition Classes
AnyRef → Any
def finalize(): Unit

Attributes
protected[java.lang]
Definition Classes
AnyRef
Annotations
@throws( classOf[java.lang.Throwable] )
final def getClass(): Class[_]

Definition Classes
AnyRef → Any
def hashCode(): Int

Definition Classes
AnyRef → Any
final def isInstanceOf[T0]: Boolean

Definition Classes
Any
final def ne(arg0: AnyRef): Boolean

Definition Classes
AnyRef
def needConversion: Boolean

Definition Classes
BaseRelation
final def notify(): Unit

Definition Classes
AnyRef
final def notifyAll(): Unit

Definition Classes
AnyRef
def sizeInBytes: Long

Definition Classes
BaseRelation
final def synchronized[T0](arg0: ⇒ T0): T0

Definition Classes
AnyRef
def toString(): String

Definition Classes
AnyRef → Any
def unhandledFilters(filters: Array[Filter]): Array[Filter]

Definition Classes
BaseRelation
final def wait(): Unit

Definition Classes
AnyRef
Annotations
@throws( ... )
final def wait(arg0: Long, arg1: Int): Unit

Definition Classes
AnyRef
Annotations
@throws( ... )
final def wait(arg0: Long): Unit

Definition Classes
AnyRef
Annotations
@throws( ... )
def withKeyColumns(relation: LogicalRelation, keyColumns: Seq[String]): LogicalRelation

If required inject the key columns in the original relation.
If required inject the key columns in the original relation.

Definition Classes
MutableRelation

Related Doc: package sources

trait UpdatableRelation extends BaseRelation with MutableRelation with SingleRowInsertableRelation

Abstract Value Members

abstract def destroy(ifExists: Boolean): Unit

abstract def executeUpdate(sql: String, defaultSchema: String): Int

abstract def getDeletePlan(relation: LogicalRelation, child: SparkPlan, keyColumns: Seq[Attribute]): SparkPlan

abstract def getKeyColumns: Seq[String]

abstract def getPrimaryKeyColumns: Seq[String]

abstract def getUpdatePlan(relation: LogicalRelation, child: SparkPlan, updateColumns: Seq[Attribute], updateExpressions: Seq[Expression], keyColumns: Seq[Attribute]): SparkPlan

abstract def partitionColumns: Seq[String]

abstract def schema: StructType

abstract def sqlContext: SQLContext

abstract def table: String

abstract def truncate(): Unit

abstract def update(filterExpr: String, newColumnValues: Row, updateColumns: Seq[String]): Int

Concrete Value Members

final def !=(arg0: Any): Boolean

final def ##(): Int

final def ==(arg0: Any): Boolean

final def asInstanceOf[T0]: T0

def clone(): AnyRef

final def eq(arg0: AnyRef): Boolean

def equals(arg0: Any): Boolean

def finalize(): Unit

final def getClass(): Class[_]

def hashCode(): Int

final def isInstanceOf[T0]: Boolean

final def ne(arg0: AnyRef): Boolean

def needConversion: Boolean

final def notify(): Unit

final def notifyAll(): Unit

def sizeInBytes: Long

final def synchronized[T0](arg0: ⇒ T0): T0

def toString(): String

def unhandledFilters(filters: Array[Filter]): Array[Filter]

final def wait(): Unit

final def wait(arg0: Long, arg1: Int): Unit

final def wait(arg0: Long): Unit

def withKeyColumns(relation: LogicalRelation, keyColumns: Seq[String]): LogicalRelation

Inherited from SingleRowInsertableRelation

Inherited from MutableRelation

Inherited from DestroyRelation

Inherited from BaseRelation

Inherited from AnyRef

Inherited from Any

Ungrouped