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

GenerateSafeProjection

Related Doc: package codegen

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object GenerateSafeProjection extends CodeGenerator[Seq[Expression], Projection]

Generates byte code that produces a MutableRow object (not an UnsafeRow) that can update itself based on a new input InternalRow for a fixed 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[Expression], inputSchema: Seq[Attribute]): Seq[Expression]

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    Binds an input expression to a given input schema

    Binds an input expression to a given input schema

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    Definition Classes
    GenerateSafeProjectionCodeGenerator
  6. def canonicalize(in: Seq[Expression]): Seq[Expression]

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    Canonicalizes an input expression.

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

    Attributes
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    GenerateSafeProjectionCodeGenerator
  7. def clone(): AnyRef

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    @throws( ... )
  8. def compile(code: CodeAndComment): GeneratedClass

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    Compile the Java source code into a Java class, using Janino.

    Compile the Java source code into a Java class, using Janino.

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    Definition Classes
    CodeGenerator
  9. def create(expressions: Seq[Expression]): Projection

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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
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    Definition Classes
    GenerateSafeProjectionCodeGenerator
  10. def declareAddedFunctions(ctx: CodeGenContext): String

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    CodeGenerator
  11. def declareMutableStates(ctx: CodeGenContext): String

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    CodeGenerator
  12. final def eq(arg0: AnyRef): Boolean

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  13. def equals(arg0: Any): Boolean

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  14. val exprType: String

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  15. def finalize(): Unit

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    @throws( classOf[java.lang.Throwable] )
  16. def generate(expressions: Seq[Expression]): Projection

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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
  17. def generate(expressions: Seq[Expression], inputSchema: Seq[Attribute]): Projection

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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
  18. val genericMutableRowType: String

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

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  20. def hashCode(): Int

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  21. def initMutableStates(ctx: CodeGenContext): String

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    CodeGenerator
  22. final def isInstanceOf[T0]: Boolean

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  23. def isTraceEnabled(): Boolean

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    Logging
  24. def log: Logger

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

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  26. def logDebug(msg: ⇒ String): Unit

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

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

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

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

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  31. def logName: String

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

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

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

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

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    Logging
  36. val mutableRowType: String

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    CodeGenerator
  37. final def ne(arg0: AnyRef): Boolean

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  38. 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
  39. final def notify(): Unit

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  40. final def notifyAll(): Unit

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

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  42. def toString(): String

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  43. final def wait(): Unit

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

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    @throws( ... )
  45. final def wait(arg0: Long): Unit

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