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org.apache.spark.sql.catalyst.expressions.codegen

GenerateOrdering

Related Doc: package codegen

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object GenerateOrdering extends CodeGenerator[Seq[SortOrder], Ordering[InternalRow]] with Logging

Generates bytecode for an Ordering of rows for a given set of expressions.

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  1. final def !=(arg0: Any): Boolean

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  2. final def ##(): Int

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  3. final def ==(arg0: Any): Boolean

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  4. final def asInstanceOf[T0]: T0

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  5. def bind(in: Seq[SortOrder], inputSchema: Seq[Attribute]): Seq[SortOrder]

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    Binds an input expression to a given input schema

    Binds an input expression to a given input schema

    Attributes
    protected
    Definition Classes
    GenerateOrderingCodeGenerator
  6. def canonicalize(in: Seq[SortOrder]): Seq[SortOrder]

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    Canonicalizes an input expression.

    Canonicalizes an input expression. Used to avoid double caching expressions that differ only cosmetically.

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    protected
    Definition Classes
    GenerateOrderingCodeGenerator
  7. def clone(): AnyRef

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    protected[java.lang]
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    @throws( ... )
  8. def create(ordering: Seq[SortOrder]): BaseOrdering

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    Generates a class for a given input expression.

    Generates a class for a given input expression. Called when there is not cached code already available.

    Attributes
    protected
    Definition Classes
    GenerateOrderingCodeGenerator
  9. def create(schema: StructType): BaseOrdering

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    Creates a code gen ordering for sorting this schema, in ascending order.

  10. final def eq(arg0: AnyRef): Boolean

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  11. def equals(arg0: Any): Boolean

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  12. def finalize(): Unit

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    @throws( classOf[java.lang.Throwable] )
  13. def genComparisons(ctx: CodegenContext, ordering: Seq[SortOrder]): String

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    Generates the code for ordering based on the given order.

  14. def genComparisons(ctx: CodegenContext, schema: StructType): String

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    Generates the code for comparing a struct type according to its natural ordering (i.e.

    Generates the code for comparing a struct type according to its natural ordering (i.e. ascending order by field 1, then field 2, ..., then field n.

  15. def generate(expressions: Seq[SortOrder]): Ordering[InternalRow]

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    Generates the requested evaluator given already bound expression(s).

    Generates the requested evaluator given already bound expression(s).

    Definition Classes
    CodeGenerator
  16. def generate(expressions: Seq[SortOrder], inputSchema: Seq[Attribute]): Ordering[InternalRow]

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    Generates the requested evaluator binding the given expression(s) to the inputSchema.

    Generates the requested evaluator binding the given expression(s) to the inputSchema.

    Definition Classes
    CodeGenerator
  17. val genericMutableRowType: String

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    CodeGenerator
  18. final def getClass(): Class[_]

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  19. def hashCode(): Int

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  20. def initializeLogIfNecessary(isInterpreter: Boolean): Unit

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    Logging
  21. final def isInstanceOf[T0]: Boolean

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  22. def isTraceEnabled(): Boolean

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    Logging
  23. def log: Logger

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    Logging
  24. def logDebug(msg: ⇒ String, throwable: Throwable): Unit

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    Logging
  25. def logDebug(msg: ⇒ String): Unit

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  26. def logError(msg: ⇒ String, throwable: Throwable): Unit

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  27. def logError(msg: ⇒ String): Unit

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  28. def logInfo(msg: ⇒ String, throwable: Throwable): Unit

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  29. def logInfo(msg: ⇒ String): Unit

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  30. def logName: String

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  31. def logTrace(msg: ⇒ String, throwable: Throwable): Unit

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  32. def logTrace(msg: ⇒ String): Unit

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  33. def logWarning(msg: ⇒ String, throwable: Throwable): Unit

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  34. def logWarning(msg: ⇒ String): Unit

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    Logging
  35. final def ne(arg0: AnyRef): Boolean

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  36. def newCodeGenContext(): CodegenContext

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    Create a new codegen context for expression evaluator, used to store those expressions that don't support codegen

    Create a new codegen context for expression evaluator, used to store those expressions that don't support codegen

    Definition Classes
    CodeGenerator
  37. final def notify(): Unit

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  38. final def notifyAll(): Unit

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

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  40. def toString(): String

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  41. final def wait(): Unit

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    @throws( ... )
  42. final def wait(arg0: Long, arg1: Int): Unit

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  43. final def wait(arg0: Long): Unit

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