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org.apache.spark.sql.execution

CommandExecutionMode

object CommandExecutionMode extends Enumeration

SPARK-35378: Commands should be executed eagerly so that something like sql("INSERT ...") can trigger the table insertion immediately without a .collect(). To avoid end-less recursion we should use NON_ROOT when recursively executing commands. Note that we can't execute a query plan with leaf command nodes, because many commands return GenericInternalRow and can't be put in a query plan directly, otherwise the query engine may cast GenericInternalRow to UnsafeRow and fail. When running EXPLAIN, or commands inside other command, we should use SKIP to not eagerly trigger the command execution.

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  1. class Val extends Value with Serializable
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  2. abstract class Value extends Ordered[Value] with Serializable
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  3. class ValueSet extends AbstractSet[Value] with SortedSet[Value] with SortedSetOps[Value, SortedSet, ValueSet] with StrictOptimizedIterableOps[Value, Set, ValueSet] with Serializable
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  1. final def !=(arg0: Any): Boolean
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  3. final def ==(arg0: Any): Boolean
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  4. val ALL: Value
  5. val NON_ROOT: Value
  6. val SKIP: Value
  7. final def Value(i: Int, name: String): Value
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  8. final def Value(name: String): Value
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  9. final def Value(i: Int): Value
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  10. final def Value: Value
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  11. final def apply(x: Int): Value
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  12. final def asInstanceOf[T0]: T0
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  13. def clone(): AnyRef
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  16. def finalize(): Unit
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  17. final def getClass(): Class[_ <: AnyRef]
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  18. def hashCode(): Int
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  19. final def isInstanceOf[T0]: Boolean
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  20. final def maxId: Int
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  21. final def ne(arg0: AnyRef): Boolean
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  29. def values: ValueSet
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  32. final def wait(arg0: Long): Unit
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  33. final def withName(s: String): Value
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  34. implicit object ValueOrdering extends Ordering[Value]
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