discourse/lib/migration/table_dropper.rb

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# frozen_string_literal: true
require_dependency 'migration/base_dropper'
module Migration
class Migration::TableDropper
def self.read_only_table(table_name)
BaseDropper.create_readonly_function(table_name)
DB.exec <<~SQL
CREATE TRIGGER #{BaseDropper.readonly_trigger_name(table_name)}
BEFORE INSERT OR UPDATE OR DELETE OR TRUNCATE
ON #{table_name}
FOR EACH STATEMENT
EXECUTE PROCEDURE #{BaseDropper.readonly_function_name(table_name)};
SQL
end
def self.execute_drop(table_name)
DB.exec("DROP TABLE IF EXISTS #{table_name}")
BaseDropper.drop_readonly_function(table_name)
end
end
end