DataViewSchema Class
Definition
Important
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Represents the schema of an IDataView or an DataViewRow. The schema is a collection of DataViewSchema.Column.
[System.Diagnostics.DebuggerTypeProxy(typeof(Microsoft.ML.SchemaDebuggerProxy))]
public sealed class DataViewSchema : System.Collections.Generic.IEnumerable<Microsoft.ML.DataViewSchema.Column>, System.Collections.Generic.IReadOnlyCollection<Microsoft.ML.DataViewSchema.Column>, System.Collections.Generic.IReadOnlyList<Microsoft.ML.DataViewSchema.Column>[<System.Diagnostics.DebuggerTypeProxy(typeof(Microsoft.ML.SchemaDebuggerProxy))>]
type DataViewSchema = class
interface IReadOnlyList<DataViewSchema.Column>
interface seq<DataViewSchema.Column>
interface IEnumerable
interface IReadOnlyCollection<DataViewSchema.Column>Public NotInheritable Class DataViewSchema
Implements IEnumerable(Of DataViewSchema.Column), IReadOnlyCollection(Of DataViewSchema.Column), IReadOnlyList(Of DataViewSchema.Column)- Inheritance
-
DataViewSchema
- Attributes
- Implements
Properties
| Name | Description |
|---|---|
| Count |
Number of columns in the schema. |
| Item[Int32] |
Get the column by index. |
| Item[String] |
Get the column by name. Throws an exception if such column does not exist. Note that if multiple columns exist with the same name, the one with the biggest index is returned. The other columns are considered 'hidden', and only accessible by their index. |
Methods
| Name | Description |
|---|---|
| GetColumnOrNull(String) |
Get the column by name, or |
| GetEnumerator() | |
| ToString() | |
Explicit Interface Implementations
| Name | Description |
|---|---|
| IEnumerable.GetEnumerator() | |