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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.  val GENERATION_EXPRESSION_METADATA_KEY: String

   The metadata key for saving a generation expression in a generated column's metadata.

   The metadata key for saving a generation expression in a generated column's metadata. This is only used internally and connectors should access generation expressions from the V2 columns.

5.  final def asInstanceOf[T0]: T0

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6.  def clone(): AnyRef

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7.  final def eq(arg0: AnyRef): Boolean

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8.  def equals(arg0: AnyRef): Boolean

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9.  def finalize(): Unit

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10.  final def getClass(): Class[_ <: AnyRef]

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11.  def getGenerationExpression(field: StructField): Option[String]

    Returns the generation expression stored in the column metadata if it exists

12.  def hasGeneratedColumns(schema: StructType): Boolean

    Whether the schema has one or more generated columns

13.  def hashCode(): Int

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14.  def isGeneratedColumn(field: StructField): Boolean

    Whether the given field is a generated column

15.  final def isInstanceOf[T0]: Boolean

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16.  final def ne(arg0: AnyRef): Boolean

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17.  final def notify(): Unit

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    @native()

18.  final def notifyAll(): Unit

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    @native()

19.  final def synchronized[T0](arg0: => T0): T0

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20.  def toString(): String

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21.  def validateGeneratedColumns(schema: StructType, catalog: TableCatalog, ident: Identifier, statementType: String): Unit

    If schema contains any generated columns: 1) Check whether the table catalog supports generated columns.

    If schema contains any generated columns: 1) Check whether the table catalog supports generated columns. Otherwise throw an error. 2) Parse, analyze and verify the generation expressions for any generated columns.

22.  final def wait(): Unit

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23.  final def wait(arg0: Long, arg1: Int): Unit

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    @throws(classOf[java.lang.InterruptedException])

24.  final def wait(arg0: Long): Unit

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    @throws(classOf[java.lang.InterruptedException]) @native()