31 lines
840 B
Ruby
31 lines
840 B
Ruby
# frozen_string_literal: true
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class DeleteProjectNamespaceTrigger < Gitlab::Database::Migration[1.0]
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include Gitlab::Database::SchemaHelpers
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TRIGGER_NAME = "trigger_delete_project_namespace_on_project_delete"
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FUNCTION_NAME = 'delete_associated_project_namespace'
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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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DELETE FROM namespaces
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WHERE namespaces.id = OLD.project_namespace_id AND
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namespaces.type = 'Project';
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RETURN NULL;
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SQL
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end
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execute(<<~SQL.squish)
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CREATE TRIGGER #{TRIGGER_NAME}
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AFTER DELETE ON projects FOR EACH ROW
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WHEN (OLD.project_namespace_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(:projects, TRIGGER_NAME)
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drop_function(FUNCTION_NAME)
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end
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end
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