case class DatabaseDesc(fieldName: String, fieldExtractor: String, catalogDesc: Option[CatalogDesc] = None, isInput: Boolean = false) extends Descriptor with Product with Serializable
Database Descriptor
- fieldName
the field name or method name of this database field
- fieldExtractor
the key of a DatabaseExtractor instance
- isInput
read or write
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Instance Constructors
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new
DatabaseDesc(fieldName: String, fieldExtractor: String, catalogDesc: Option[CatalogDesc] = None, isInput: Boolean = false)
- fieldName
the field name or method name of this database field
- fieldExtractor
the key of a DatabaseExtractor instance
- isInput
read or write
Value Members
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final
def
!=(arg0: Any): Boolean
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final
def
##(): Int
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final
def
==(arg0: Any): Boolean
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final
def
asInstanceOf[T0]: T0
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- val catalogDesc: Option[CatalogDesc]
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def
clone(): AnyRef
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final
def
eq(arg0: AnyRef): Boolean
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final
def
error(v: AnyRef, e: Throwable): String
- Definition Classes
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def
extract(v: AnyRef): Database
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
- DatabaseDesc → 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
- DatabaseDesc → 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
- DatabaseDesc → Descriptor
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def
finalize(): Unit
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final
def
getClass(): Class[_]
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- val isInput: Boolean
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final
def
isInstanceOf[T0]: Boolean
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ne(arg0: AnyRef): Boolean
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notify(): Unit
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notifyAll(): Unit
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