SelectExpression.CreateColumnExpression Method

Definition

Namespace:

Microsoft.EntityFrameworkCore.Query.SqlExpressions

Assembly:

Microsoft.EntityFrameworkCore.Relational.dll

Package:

Microsoft.EntityFrameworkCore.Relational v8.0.0

Creates a ColumnExpression that references a table on this SelectExpression.

public Microsoft.EntityFrameworkCore.Query.SqlExpressions.ColumnExpression CreateColumnExpression (Microsoft.EntityFrameworkCore.Query.SqlExpressions.TableExpressionBase tableExpression, string columnName, Type type, Microsoft.EntityFrameworkCore.Storage.RelationalTypeMapping? typeMapping, bool? columnNullable = default);

member this.CreateColumnExpression : Microsoft.EntityFrameworkCore.Query.SqlExpressions.TableExpressionBase * string * Type * Microsoft.EntityFrameworkCore.Storage.RelationalTypeMapping * Nullable<bool> -> Microsoft.EntityFrameworkCore.Query.SqlExpressions.ColumnExpression

Public Function CreateColumnExpression (tableExpression As TableExpressionBase, columnName As String, type As Type, typeMapping As RelationalTypeMapping, Optional columnNullable As Nullable(Of Boolean) = Nothing) As ColumnExpression

Parameters

tableExpression

TableExpressionBase

The table expression referenced by the column.

columnName

String

The column name.

type

Type

The column CLR type.

typeMapping

RelationalTypeMapping

The column's type mapping.

columnNullable

Nullable<Boolean>

Whether the column is nullable.

Returns

ColumnExpression