Interface IColumn

Namespace

Microsoft.EntityFrameworkCore.Metadata

Assembly

Microsoft.EntityFrameworkCore.Relational.dll

Represents a column in a table.

public interface IColumn : IColumnBase, IAnnotatable

Inherited Members

IColumnBase.Name

IColumnBase.StoreType

IColumnBase.IsNullable

Extension Methods

ColumnExtensions.ToDebugString(IColumn, MetadataDebugStringOptions, int)

Properties

Collation

Collation for this column

string Collation { get; }

Property Value

string

Comment

Comment for this column

string Comment { get; }

Property Value

string

ComputedColumnSql

Returns the SQL expression that is used as the computed value for this column.

string ComputedColumnSql { get; }

Property Value

string

DefaultValue

Returns the object that is used as the default value for this column.

object DefaultValue { get; }

Property Value

object

DefaultValueSql

Returns the SQL expression that is used as the default value for this column.

string DefaultValueSql { get; }

Property Value

string

IsFixedLength

Returns a flag indicating if the property as capable of storing only fixed-length data, such as strings.

bool? IsFixedLength { get; }

Property Value

bool?

IsRowVersion

Indicates whether or not this column acts as an automatic concurrency token by generating a different value on every update in the same vein as 'rowversion'/'timestamp' columns on SQL Server.

bool IsRowVersion { get; }

Property Value

bool

IsStored

Returns whether the value of the computed column this property is mapped to is stored in the database, or calculated when it is read.

bool? IsStored { get; }

Property Value

bool?

IsUnicode

Gets a value indicating whether or not the property can persist Unicode characters.

bool? IsUnicode { get; }

Property Value

bool?

MaxLength

Gets the maximum length of data that is allowed in this column. For example, if the property is a string ' then this is the maximum number of characters.

int? MaxLength { get; }

Property Value

int?

Precision

Gets the precision of data that is allowed in this column. For example, if the property is a decimal ' then this is the maximum number of digits.

int? Precision { get; }

Property Value

int?

PropertyMappings

Gets the property mappings.

IEnumerable<IColumnMapping> PropertyMappings { get; }

Property Value

IEnumerable<IColumnMapping>

Scale

Gets the scale of data that is allowed in this column. For example, if the property is a decimal ' then this is the maximum number of decimal places.

int? Scale { get; }

Property Value

int?

Table

Gets the containing table.

ITable Table { get; }

Property Value

ITable