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Showing content from https://spark.apache.org/docs/latest/api/java/org/apache/spark/sql/types/ArrayType.html below:

ArrayType (Spark 4.0.0 JavaDoc)

All Implemented Interfaces:

Serializable, scala.Equals, scala.Product

See Also:

• Serialized Form

• Constructor Summary

  Constructors

• Method Summary

  Construct a

  ArrayType

  object with the given element type.

  String representation for the type saved in external catalogs.

  boolean

  int

  The default size of a value of the ArrayType is the default size of the element type.

  Readable string representation for the type.

  Returns the same data type but set all nullability fields are true (StructField.nullable, ArrayType.containsNull, and MapType.valueContainsNull).

  Methods inherited from class org.apache.spark.sql.types.DataTypeCOLLATIONS_METADATA_KEY, equalsIgnoreCaseAndNullability, equalsIgnoreNullability, equalsStructurally, equalsStructurallyByName, fromDDL, fromJson, json, parseTypeWithFallback, prettyJson, typeName
  Methods inherited from interface scala.EqualscanEqual, equals
  Methods inherited from interface scala.ProductproductArity, productElement, productElementName, productElementNames, productIterator, productPrefix

• Constructor Details
  • ArrayType public ArrayType(DataType elementType, boolean containsNull)
• Method Details
  • apply

    Construct a

    ArrayType

    object with the given element type. The

    containsNull

    is true.

    Parameters:

    elementType - (undocumented)

    Returns:

    (undocumented)

  • elementType
  • containsNull

    public boolean containsNull()

  • defaultSize

    public int defaultSize()

    The default size of a value of the ArrayType is the default size of the element type. We assume that there is only 1 element on average in an array. See SPARK-18853.

    Specified by:

    defaultSize in class DataType

    Returns:

    (undocumented)

  • simpleString

    Readable string representation for the type.

    Overrides:

    simpleString in class DataType

  • catalogString public String catalogString

    ()

    String representation for the type saved in external catalogs.

    Overrides:

    catalogString in class DataType

  • sql

    Overrides:

    sql in class DataType

  • toNullable

    Returns the same data type but set all nullability fields are true (

    StructField.nullable

    ,

    ArrayType.containsNull

    , and

    MapType.valueContainsNull

    ).

    Returns:

    (undocumented)

    Since:

    4.0.0

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