UniqueConstraint Class

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
	UniqueConstraint	Initializes a new instance of the UniqueConstraint class.

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Properties

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

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Methods

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