Active Record PostgreSQL Adapter Alter Table

Methods

Attributes

[R] constraint_validations
[R] exclusion_constraint_adds
[R] unique_constraint_adds

Class Public methods

new(td)

📝 Source code 
# File activerecord/lib/active_record/connection_adapters/postgresql/schema_definitions.rb, line 365
        def initialize(td)
          super
          @constraint_validations = []
          @exclusion_constraint_adds = []
          @unique_constraint_adds = []
        end
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Instance Public methods

add_exclusion_constraint(expression, options)

📝 Source code 
# File activerecord/lib/active_record/connection_adapters/postgresql/schema_definitions.rb, line 376
        def add_exclusion_constraint(expression, options)
          @exclusion_constraint_adds << @td.new_exclusion_constraint_definition(expression, options)
        end
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add_unique_constraint(column_name, options)

📝 Source code 
# File activerecord/lib/active_record/connection_adapters/postgresql/schema_definitions.rb, line 380
        def add_unique_constraint(column_name, options)
          @unique_constraint_adds << @td.new_unique_constraint_definition(column_name, options)
        end
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validate_constraint(name)

📝 Source code 
# File activerecord/lib/active_record/connection_adapters/postgresql/schema_definitions.rb, line 372
        def validate_constraint(name)
          @constraint_validations << name
        end
🔎 See on GitHub