Column.Apply(Object) Method
Definition
Important
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Extracts a value or values from a complex type. The following types of extraction are supported:
- Given an Array, an integer ordinal can be used to retrieve a single value.
- Given a Map, a key of the correct type can be used to retrieve an individual value.
- Given a Struct, a string fieldName can be used to extract that field.
- Given an Array of Structs, a string fieldName can be used to extract field of every struct in that array, and return an Array of fields.
public Microsoft.Spark.Sql.Column Apply (object extraction);member this.Apply : obj -> Microsoft.Spark.Sql.ColumnPublic Function Apply (extraction As Object) As ColumnParameters
- extraction
- Object
Object used to extract value(s) from the column
Returns
Column object