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Active Record PostgreSQL Adapter Alter Table

Methods
A
D
N
V

Attributes

[R] constraint_validations
[R] exclusion_constraint_adds
[R] exclusion_constraint_drops
[R] unique_constraint_adds
[R] unique_constraint_drops

Class Public methods

new(td)

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# File activerecord/lib/active_record/connection_adapters/postgresql/schema_definitions.rb, line 341
def initialize(td)
  super
  @constraint_validations = []
  @exclusion_constraint_adds = []
  @exclusion_constraint_drops = []
  @unique_constraint_adds = []
  @unique_constraint_drops = []
end

Instance Public methods

add_exclusion_constraint(expression, options)

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# File activerecord/lib/active_record/connection_adapters/postgresql/schema_definitions.rb, line 354
def add_exclusion_constraint(expression, options)
  @exclusion_constraint_adds << @td.new_exclusion_constraint_definition(expression, options)
end

add_unique_constraint(column_name, options)

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# File activerecord/lib/active_record/connection_adapters/postgresql/schema_definitions.rb, line 362
def add_unique_constraint(column_name, options)
  @unique_constraint_adds << @td.new_unique_constraint_definition(column_name, options)
end

drop_exclusion_constraint(constraint_name)

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# File activerecord/lib/active_record/connection_adapters/postgresql/schema_definitions.rb, line 358
def drop_exclusion_constraint(constraint_name)
  @exclusion_constraint_drops << constraint_name
end

drop_unique_constraint(unique_constraint_name)

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# File activerecord/lib/active_record/connection_adapters/postgresql/schema_definitions.rb, line 366
def drop_unique_constraint(unique_constraint_name)
  @unique_constraint_drops << unique_constraint_name
end

validate_constraint(name)

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# File activerecord/lib/active_record/connection_adapters/postgresql/schema_definitions.rb, line 350
def validate_constraint(name)
  @constraint_validations << name
end