DbMigration.DropIndex Method

  • Reference

Definition

Namespace:
System.Data.Entity.Migrations
Assembly:
EntityFramework.dll

Overloads

DropIndex(String, String, Object)

Adds an operation to drop an index based on its name.

Entity Framework Migrations APIs are not designed to accept input provided by untrusted sources (such as the end user of an application). If input is accepted from such sources it should be validated before being passed to these APIs to protect against SQL injection attacks etc.
DropIndex(String, String[], Object)

Adds an operation to drop an index based on the columns it targets.

Entity Framework Migrations APIs are not designed to accept input provided by untrusted sources (such as the end user of an application). If input is accepted from such sources it should be validated before being passed to these APIs to protect against SQL injection attacks etc.

DropIndex(String, String, Object)

Adds an operation to drop an index based on its name.

Entity Framework Migrations APIs are not designed to accept input provided by untrusted sources (such as the end user of an application). If input is accepted from such sources it should be validated before being passed to these APIs to protect against SQL injection attacks etc.

protected internal void DropIndex (string table, string name, object anonymousArguments = null);
[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Design", "CA1026:DefaultParametersShouldNotBeUsed")]
protected internal void DropIndex (string table, string name, object anonymousArguments = null);
member this.DropIndex : string * string * obj -> unit
Protected Friend Sub DropIndex (table As String, name As String, Optional anonymousArguments As Object = null)

Parameters

table
String

The name of the table to drop the index from. Schema name is optional, if no schema is specified then dbo is assumed.

name
String

The name of the index to be dropped.

anonymousArguments
Object

Additional arguments that may be processed by providers. Use anonymous type syntax to specify arguments e.g. 'new { SampleArgument = "MyValue" }'.

Attributes
SuppressMessageAttribute

Applies to

DropIndex(String, String[], Object)

Adds an operation to drop an index based on the columns it targets.

Entity Framework Migrations APIs are not designed to accept input provided by untrusted sources (such as the end user of an application). If input is accepted from such sources it should be validated before being passed to these APIs to protect against SQL injection attacks etc.

protected internal void DropIndex (string table, string[] columns, object anonymousArguments = null);
[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Design", "CA1026:DefaultParametersShouldNotBeUsed")]
protected internal void DropIndex (string table, string[] columns, object anonymousArguments = null);
member this.DropIndex : string * string[] * obj -> unit
Protected Friend Sub DropIndex (table As String, columns As String(), Optional anonymousArguments As Object = null)

Parameters

table
String

The name of the table to drop the index from. Schema name is optional, if no schema is specified then dbo is assumed.

columns
String[]

The name of the column(s) the index targets.

anonymousArguments
Object

Additional arguments that may be processed by providers. Use anonymous type syntax to specify arguments e.g. 'new { SampleArgument = "MyValue" }'.

Attributes
SuppressMessageAttribute

Applies to