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Class AlterDefaultConstraintExpression

Represents an expression to alter a default constraint in a database migration.

Inheritance

object

MigrationExpressionBase

Namespace: Umbraco.Cms.Infrastructure.Migrations.Expressions.Alter.Expressions

Assembly: Umbraco.Infrastructure.dll

Syntax

public class AlterDefaultConstraintExpression : MigrationExpressionBase, IMigrationExpression

Constructors

AlterDefaultConstraintExpression(IMigrationContext)

Initializes a new instance of the AlterDefaultConstraintExpression class using the specified migration context.

Declaration

public AlterDefaultConstraintExpression(IMigrationContext context)

Parameters

Type	Name	Description
IMigrationContext	context	The IMigrationContext to be used for the alter default constraint expression.

Properties

ColumnName

Gets or sets the name of the column to which the default constraint applies.

Declaration

public virtual string? ColumnName { get; set; }

Property Value

Type	Description
string

ConstraintName

Gets or sets the name of the default constraint to be altered.

Declaration

public virtual string? ConstraintName { get; set; }

Property Value

Type	Description
string

DefaultValue

Gets or sets the value to be used as the default for the constraint.

Declaration

public virtual object? DefaultValue { get; set; }

Property Value

Type	Description
object

TableName

Gets or sets the name of the table to which the default constraint applies.

Declaration

public virtual string? TableName { get; set; }

Property Value

Type	Description
string

Methods

GetSql()

Declaration

protected override string GetSql()

Returns

Type	Description
string