debian-mirror-gitlab/lib/gitlab/database/postgres_constraint.rb
2022-10-11 01:57:18 +05:30

29 lines
1 KiB
Ruby

# frozen_string_literal: true
module Gitlab
module Database
# Backed by the postgres_constraints view
class PostgresConstraint < SharedModel
IDENTIFIER_REGEX = /^\w+\.\w+$/.freeze
self.primary_key = :oid
scope :check_constraints, -> { where(constraint_type: 'c') }
scope :primary_key_constraints, -> { where(constraint_type: 'p') }
scope :unique_constraints, -> { where(constraint_type: 'u') }
scope :primary_or_unique_constraints, -> { where(constraint_type: %w[u p]) }
scope :including_column, ->(column) { where("? = ANY(column_names)", column) }
scope :not_including_column, ->(column) { where.not("? = ANY(column_names)", column) }
scope :valid, -> { where(constraint_valid: true) }
scope :by_table_identifier, ->(identifier) do
unless identifier =~ IDENTIFIER_REGEX
raise ArgumentError, "Table name is not fully qualified with a schema: #{identifier}"
end
where(table_identifier: identifier)
end
end
end
end