class Marten::DB::Management::Constraint::Unique


Represents a unique constraint used when creating or altering tables.

Included Modules

Defined in:



Instance Method Summary

Instance methods inherited from module Marten::DB::CanFormatStringsOrSymbols

format_string_or_symbol(value : String) format_string_or_symbol

Constructor Detail

def self.from(unique_constraint : DB::Constraint::Unique) : Unique #

Returns a management unique constraint from a unique constraint definition.

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def : String | Symbol, column_names : Array(String | Symbol)) #

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Instance Method Detail

def ==(other : self) #

Returns true if the other unique constraint corresponds to the same unique constraint configuration.

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def clone #

Returns a copy of the unique constraint.

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def column_names : Array(String) #

Returns the column names that are part of the unique constraint.

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def name : String #

Returns the unique constraint name.

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def serialize_args : String #

Returns a serialized version of the unique constraint arguments to be used when generating migrations.

The returned string will be used in the context of add_unique_constraint / unique_constraint statements in generated migrations.

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