airframe-sql
API
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airframe-sql/wvlet.airframe.sql.analyzer/Optimizer

Optimizer

wvlet.airframe.sql.analyzer.Optimizer$
object Optimizer extends LogSupport

Attributes

Graph
Supertypes
trait LogSupport
trait LazyLogger
trait LoggingMethods
trait Serializable
class Object
trait Matchable
class Any
Self type

Members list

Concise view

Type members

Classlikes

object pruneColumns extends RewriteRule

Recursively prune columns that are not used for the final projection

Recursively prune columns that are not used for the final projection

Attributes

Graph
Supertypes
trait LogSupport
trait LazyLogger
trait LoggingMethods
trait Serializable
class Object
trait Matchable
class Any
Self type

Value members

Concrete methods

def extractInputs(expressions: Seq[Expression]): Set[Attribute]
def pruneRelationColumns(relation: Relation, context: AnalyzerContext): Relation

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Inherited methods

inline protected def debug(inline message: Any, inline cause: Throwable): Unit

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Inherited from:
LoggingMethods
inline protected def debug(inline message: Any): Unit

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Inherited from:
LoggingMethods
inline protected def error(inline message: Any, inline cause: Throwable): Unit

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Inherited from:
LoggingMethods
inline protected def error(inline message: Any): Unit

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LoggingMethods
inline protected def info(inline message: Any, inline cause: Throwable): Unit

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Inherited from:
LoggingMethods
inline protected def info(inline message: Any): Unit

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Inherited from:
LoggingMethods
inline protected def logAt(inline logLevel: LogLevel, inline message: Any): Unit

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Inherited from:
LoggingMethods
inline protected def trace(inline message: Any, inline cause: Throwable): Unit

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Inherited from:
LoggingMethods
inline protected def trace(inline message: Any): Unit

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Inherited from:
LoggingMethods
inline protected def warn(inline message: Any, inline cause: Throwable): Unit

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Inherited from:
LoggingMethods
inline protected def warn(inline message: Any): Unit

Attributes

Inherited from:
LoggingMethods

Concrete fields

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