Package org.apache.spark.sql.scripting

Class CompoundNestedStatementIteratorExec

Object
org.apache.spark.sql.scripting.CompoundNestedStatementIteratorExec
All Implemented Interfaces:
org.apache.spark.internal.Logging, CompoundStatementExec, NonLeafStatementExec
Direct Known Subclasses:
CompoundBodyExec
public abstract class CompoundNestedStatementIteratorExec extends Object implements NonLeafStatementExec
Abstract class for all statements that contain nested statements. Implements recursive iterator logic over all child execution nodes. param: collection Collection of child execution nodes. param: label Label set by user or None otherwise.

  • Nested Class Summary

    Nested classes/interfaces inherited from interface org.apache.spark.internal.Logging

    org.apache.spark.internal.Logging.LogStringContext, org.apache.spark.internal.Logging.SparkShellLoggingFilter

  • Constructor Summary

    Constructors
    Constructor
    Description
    CompoundNestedStatementIteratorExec(scala.collection.immutable.Seq<CompoundStatementExec> collection, scala.Option<String> label)
     

  • Method Summary

    Modifier and Type
    Method
    Description
    scala.collection.Iterator<CompoundStatementExec>
    getTreeIterator()
    Construct the iterator to traverse the tree rooted at this node in an in-order traversal.
    boolean
    isInternal()
    Whether the statement originates from the SQL script or is created during the interpretation.
    void
    reset()
    Reset execution of the current node.

    Methods inherited from class java.lang.Object

    equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

    Methods inherited from interface org.apache.spark.internal.Logging

    initializeForcefully, initializeLogIfNecessary, initializeLogIfNecessary, initializeLogIfNecessary$default$2, isTraceEnabled, log, logDebug, logDebug, logDebug, logDebug, logError, logError, logError, logError, logInfo, logInfo, logInfo, logInfo, logName, LogStringContext, logTrace, logTrace, logTrace, logTrace, logWarning, logWarning, logWarning, logWarning, org$apache$spark$internal$Logging$$log_, org$apache$spark$internal$Logging$$log__$eq, withLogContext

    Methods inherited from interface org.apache.spark.sql.scripting.NonLeafStatementExec

    evaluateBooleanCondition

  • Constructor Details

    • CompoundNestedStatementIteratorExec

      public CompoundNestedStatementIteratorExec(scala.collection.immutable.Seq<CompoundStatementExec> collection, scala.Option<String> label)

  • Method Details

    • isInternal

      public boolean isInternal()
      Description copied from interface: CompoundStatementExec
      Whether the statement originates from the SQL script or is created during the interpretation. Example: DropVariable statements are automatically created at the end of each compound.
      Specified by:
      isInternal in interface CompoundStatementExec
      Returns:
      (undocumented)

    • getTreeIterator

      public scala.collection.Iterator<CompoundStatementExec> getTreeIterator()
      Description copied from interface: NonLeafStatementExec
      Construct the iterator to traverse the tree rooted at this node in an in-order traversal.
      Specified by:
      getTreeIterator in interface NonLeafStatementExec
      Returns:
      Tree iterator.

    • reset

      public void reset()
      Description copied from interface: CompoundStatementExec
      Reset execution of the current node.
      Specified by:
      reset in interface CompoundStatementExec