73 lines
2.4 KiB
Ruby
73 lines
2.4 KiB
Ruby
# frozen_string_literal: true
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module Gitlab
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module Database
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class PostgresForeignKey < SharedModel
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self.primary_key = :oid
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has_many :child_foreign_keys, class_name: 'Gitlab::Database::PostgresForeignKey', foreign_key: 'parent_oid'
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# These values come from the possible confdeltype / confupdtype values in pg_constraint
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ACTION_TYPES = {
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restrict: 'r',
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cascade: 'c',
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nullify: 'n',
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set_default: 'd',
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no_action: 'a'
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}.freeze
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enum on_delete_action: ACTION_TYPES, _prefix: :on_delete
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enum on_update_action: ACTION_TYPES, _prefix: :on_update
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scope :by_referenced_table_identifier, ->(identifier) do
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unless Database::FULLY_QUALIFIED_IDENTIFIER.match?(identifier)
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raise ArgumentError, "Referenced table name is not fully qualified with a schema: #{identifier}"
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end
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where(referenced_table_identifier: identifier)
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end
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scope :by_referenced_table_name, ->(name) { where(referenced_table_name: name) }
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scope :by_constrained_table_identifier, ->(identifier) do
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unless Database::FULLY_QUALIFIED_IDENTIFIER.match?(identifier)
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raise ArgumentError, "Constrained table name is not fully qualified with a schema: #{identifier}"
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end
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where(constrained_table_identifier: identifier)
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end
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scope :by_constrained_table_name, ->(name) { where(constrained_table_name: name) }
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scope :by_constrained_table_name_or_identifier, ->(name) do
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if Database::FULLY_QUALIFIED_IDENTIFIER.match?(name)
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by_constrained_table_identifier(name)
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else
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by_constrained_table_name(name)
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end
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end
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scope :not_inherited, -> { where(is_inherited: false) }
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scope :by_name, ->(name) { where(name: name) }
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scope :by_constrained_columns, ->(cols) { where(constrained_columns: Array.wrap(cols)) }
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scope :by_referenced_columns, ->(cols) { where(referenced_columns: Array.wrap(cols)) }
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scope :by_on_delete_action, ->(on_delete) do
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raise ArgumentError, "Invalid on_delete action #{on_delete}" unless on_delete_actions.key?(on_delete)
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where(on_delete_action: on_delete)
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end
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scope :by_on_update_action, ->(on_update) do
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raise ArgumentError, "Invalid on_update action #{on_update}" unless on_update_actions.key?(on_update)
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where(on_update_action: on_update)
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end
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end
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end
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end
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