Projection

Value Members

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

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

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3. final def ##(): Int

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4. final def ==(arg0: AnyRef): Boolean

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

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6. def apply(exclude: Boolean, includedFields: FieldValue*): Schema

   Creates a projection that either includes or excludes a variable number of fields.

   Creates a projection that either includes or excludes a variable number of fields.

   exclude

   If false, includes the provided fields in the projection. If true, the provided fields will be excluded, and all other fields from the record will be included in the projection.

   includedFields

   If exclude is false, fields to include in the projection. Else, fields to exclude from the projection.

   returns

   Returns the specified schema with the fields predicated out.

   Note

   Unlike the other apply methods, this method will allow you to project down to zero fields, which may cause an exception when loading from disk.

   ,

   The schema is inferred from the provided FieldValues. Undefined behavior may result if you provide FieldValues from multiple different FieldEnumerations.

7. def apply(includedFields: FieldValue*): Schema

   Creates a projection that includes a variable number of fields.

   Creates a projection that includes a variable number of fields.

   includedFields

   Fields to include in the projection

   returns

   Returns the specified schema with the fields predicated out.

   Exceptions thrown

   IllegalArgumentException

   if there are no fields included in the projection.

   Note

   The schema is inferred from the provided FieldValues. Undefined behavior may result if you provide FieldValues from multiple different FieldEnumerations.

8. final def asInstanceOf[T0]: T0

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9. def clone(): AnyRef

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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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    protected[java.lang]

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13. final def getClass(): Class[_]

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14. def hashCode(): Int

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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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18. final def notifyAll(): Unit

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

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20. def toString(): String

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21. final def wait(): Unit

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

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

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