53 lines
1.7 KiB
Ruby
53 lines
1.7 KiB
Ruby
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# frozen_string_literal: true
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class AddHasExternalWikiTrigger < ActiveRecord::Migration[6.0]
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include Gitlab::Database::SchemaHelpers
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DOWNTIME = false
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FUNCTION_NAME = 'set_has_external_wiki'.freeze
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TRIGGER_ON_INSERT_NAME = 'trigger_has_external_wiki_on_insert'.freeze
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TRIGGER_ON_UPDATE_NAME = 'trigger_has_external_wiki_on_update'.freeze
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TRIGGER_ON_DELETE_NAME = 'trigger_has_external_wiki_on_delete'.freeze
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def up
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create_trigger_function(FUNCTION_NAME, replace: true) do
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<<~SQL
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UPDATE projects SET has_external_wiki = COALESCE(NEW.active, FALSE)
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WHERE projects.id = COALESCE(NEW.project_id, OLD.project_id);
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RETURN NULL;
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SQL
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end
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execute(<<~SQL)
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CREATE TRIGGER #{TRIGGER_ON_INSERT_NAME}
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AFTER INSERT ON services
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FOR EACH ROW
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WHEN (NEW.active = TRUE AND NEW.type = 'ExternalWikiService' AND NEW.project_id IS NOT NULL)
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EXECUTE FUNCTION #{FUNCTION_NAME}();
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SQL
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execute(<<~SQL)
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CREATE TRIGGER #{TRIGGER_ON_UPDATE_NAME}
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AFTER UPDATE ON services
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FOR EACH ROW
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WHEN (NEW.type = 'ExternalWikiService' AND OLD.active != NEW.active AND NEW.project_id IS NOT NULL)
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EXECUTE FUNCTION #{FUNCTION_NAME}();
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SQL
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execute(<<~SQL)
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CREATE TRIGGER #{TRIGGER_ON_DELETE_NAME}
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AFTER DELETE ON services
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FOR EACH ROW
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WHEN (OLD.type = 'ExternalWikiService' AND OLD.project_id IS NOT NULL)
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EXECUTE FUNCTION #{FUNCTION_NAME}();
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SQL
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end
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def down
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drop_trigger(:services, TRIGGER_ON_INSERT_NAME)
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drop_trigger(:services, TRIGGER_ON_UPDATE_NAME)
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drop_trigger(:services, TRIGGER_ON_DELETE_NAME)
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drop_function(FUNCTION_NAME)
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end
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end
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