Class DataSourceColumn

Expression which is a column from a data source.

Inheritance
Object
Expression
Expression<DataSourceColumn, DataSource>
DataSourceColumn
Inherited Members
Namespace: Mangrove.MetricSetSyntaxTree.ExpressionNodes
Assembly: MetricSetSyntaxTree.dll
Syntax
public class DataSourceColumn : Expression<DataSourceColumn, DataSource>, IVisitable<IExpressionVisitor>, ICloneable<DataSourceColumn, DataSource, Expression>, ICloneable<Expression>, IDirectedAcyclicGraph<Expression>

Constructors

View Source

DataSourceColumn(DataSource, TypeKind, String, Nullable<Int32>)

Declaration
public DataSourceColumn(DataSource table, TypeKind type, string columnName, int? index = default(int? ))
Parameters
Type Name Description
DataSource table
TypeKind type
String columnName
Nullable<Int32> index

Properties

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ColumnName

The name of the underlying column.

Declaration
public string ColumnName { get; }
Property Value
Type Description
String
View Source

Index

Order DataSourceColumn objects from first to last (low to high index) within a specific DataSource. Null if no order is given.

Declaration
public int? Index { get; }
Property Value
Type Description
Nullable<Int32>
View Source

Parents

Declaration
[JsonIgnore]
public override IReadOnlyList<Expression> Parents { get; }
Property Value
Type Description
IReadOnlyList<Expression>
Overrides
View Source

Type

The type of this data source column.

Declaration
public TypeKind Type { get; }
Property Value
Type Description
TypeKind

Methods

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Accept(IExpressionVisitor)

Declaration
public override void Accept(IExpressionVisitor visitor)
Parameters
Type Name Description
IExpressionVisitor visitor
Overrides
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Clone(DataSource, IReadOnlyList<Expression>)

Declaration
public override DataSourceColumn Clone(DataSource table, IReadOnlyList<Expression> parents)
Parameters
Type Name Description
DataSource table
IReadOnlyList<Expression> parents
Returns
Type Description
DataSourceColumn
Overrides
Mangrove.MetricSetSyntaxTree.Expression<Mangrove.MetricSetSyntaxTree.ExpressionNodes.DataSourceColumn, Mangrove.MetricSetSyntaxTree.TableNodes.DataSource>.Clone(Mangrove.MetricSetSyntaxTree.TableNodes.DataSource, System.Collections.Generic.IReadOnlyList<Mangrove.MetricSetSyntaxTree.Expression>)
View Source

ToString()

Declaration
public override string ToString()
Returns
Type Description
String
Overrides

Implements

Extension Methods