UniqueConstraint Class

  • Article

Represents the unique or primary key constraint.

Inheritance Hierarchy

System.Object
  Microsoft.Data.Schema.ScriptDom.Sql.TSqlFragment
    Microsoft.Data.Schema.ScriptDom.Sql.Constraint
      Microsoft.Data.Schema.ScriptDom.Sql.UniqueConstraint

Namespace:  Microsoft.Data.Schema.ScriptDom.Sql
Assembly:  Microsoft.Data.Schema.ScriptDom.Sql (in Microsoft.Data.Schema.ScriptDom.Sql.dll)

Syntax

'Declaration
<SerializableAttribute> _
Public Class UniqueConstraint _
    Inherits Constraint _
    Implements IFileStreamSpecifier

[SerializableAttribute]
public class UniqueConstraint : Constraint, 
    IFileStreamSpecifier

[SerializableAttribute]
public ref class UniqueConstraint : public Constraint, 
    IFileStreamSpecifier

[<SerializableAttribute>]
type UniqueConstraint =  
    class
        inherit Constraint
        interface IFileStreamSpecifier
    end

public class UniqueConstraint extends Constraint implements IFileStreamSpecifier

The UniqueConstraint type exposes the following members.

Constructors

  Name Description
Public method UniqueConstraint Initializes a new instance of the UniqueConstraint class.

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Properties

  Name Description
Public property Clustered Gets or sets values specifying whether the constraint is clustered.
Public property Columns Gets a list of constraint columns.
Public property ConstraintIdentifier Gets or sets the constraint name. (Inherited from Constraint.)
Public property FileStreamOn Gets or sets an optional specification of the file stream.
Public property FirstTokenIndex Gets or sets the first token index. (Inherited from TSqlFragment.)
Public property FragmentLength Gets the fragment length. (Inherited from TSqlFragment.)
Public property IndexOptions Gets a list of index options.
Public property IsPrimaryKey Gets or sets whether the constraint is both unique and a primary key.
Public property LastTokenIndex Gets or sets the last token index. (Inherited from TSqlFragment.)
Public property OnFileGroupOrPartitionScheme Gets or sets the file group or partition scheme.
Public property ScriptTokenStream Gets or sets a list of token streams. (Inherited from TSqlFragment.)
Public property StartColumn Gets the starting column. (Inherited from TSqlFragment.)
Public property StartLine Gets the starting line. (Inherited from TSqlFragment.)
Public property StartOffset Gets the fragment start offset value. (Inherited from TSqlFragment.)

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Methods

  Name Description
Public method Accept Entry point for a given visitor. (Overrides TSqlFragment.Accept(TSqlFragmentVisitor).)
Public method AcceptChildren Calls Accept on the children with the given visitor. (Overrides Constraint.AcceptChildren(TSqlFragmentVisitor).)
Public method Equals Determines whether the specified Object is equal to the current Object. (Inherited from Object.)
Protected method Finalize Allows an object to try to free resources and perform other cleanup operations before it is reclaimed by garbage collection. (Inherited from Object.)
Public method GetHashCode Serves as a hash function for a particular type. (Inherited from Object.)
Public method GetType Gets the Type of the current instance. (Inherited from Object.)
Protected method MemberwiseClone Creates a shallow copy of the current Object. (Inherited from Object.)
Public method ToString Returns a string that represents the current object. (Inherited from Object.)

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Remarks

This class translates 80 syntax into 90 syntax. This should be reflected in the AST if a differentiator is to be written.

Thread Safety

Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.

See Also

Reference

Microsoft.Data.Schema.ScriptDom.Sql Namespace