case class QueryDesc(fieldName: String, fieldExtractor: String = "LogicalPlanQueryExtractor") extends Descriptor with Product with Serializable
Query Descriptor which represents one or more query fields of a command
- fieldName
the field name or method name of this query field
- fieldExtractor
the key of a QueryExtractor instance The default value is LogicalPlanQueryExtractor which return the original plan directly.
- Alphabetic
- By Inheritance
- QueryDesc
- Serializable
- Serializable
- Product
- Equals
- Descriptor
- AnyRef
- Any
- Hide All
- Show All
- Public
- All
Instance Constructors
-
new
QueryDesc(fieldName: String, fieldExtractor: String = "LogicalPlanQueryExtractor")
- fieldName
the field name or method name of this query field
- fieldExtractor
the key of a QueryExtractor instance The default value is LogicalPlanQueryExtractor which return the original plan directly.
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[lang]
- Definition Classes
- AnyRef
- Annotations
- @throws( ... ) @native()
-
final
def
eq(arg0: AnyRef): Boolean
- Definition Classes
- AnyRef
-
final
def
error(v: AnyRef, e: Throwable): String
- Definition Classes
- Descriptor
-
def
extract(v: AnyRef): Option[LogicalPlan]
Apply the field Extractor to the field value to extract key information we want to represents a table, column list, etc.
Apply the field Extractor to the field value to extract key information we want to represents a table, column list, etc.
- Definition Classes
- QueryDesc → Descriptor
-
val
fieldExtractor: String
The key that points the Extractor to for the field, which extracts key information we want to represents a table, column list, etc.
The key that points the Extractor to for the field, which extracts key information we want to represents a table, column list, etc.
- Definition Classes
- QueryDesc → Descriptor
-
val
fieldName: String
Describes the field name, such as a table field name in the spark logical plan.
Describes the field name, such as a table field name in the spark logical plan.
- returns
the database object field name
- Definition Classes
- QueryDesc → Descriptor
-
def
finalize(): Unit
- Attributes
- protected[lang]
- Definition Classes
- AnyRef
- Annotations
- @throws( classOf[java.lang.Throwable] )
-
final
def
getClass(): Class[_]
- Definition Classes
- AnyRef → Any
- Annotations
- @native()
-
final
def
isInstanceOf[T0]: Boolean
- Definition Classes
- Any
-
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()
-
final
def
synchronized[T0](arg0: ⇒ T0): T0
- Definition Classes
- AnyRef
-
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( ... ) @native()