25 lines
656 B
Ruby
25 lines
656 B
Ruby
# frozen_string_literal: true
|
|
|
|
require "migration/base_dropper"
|
|
|
|
module Migration
|
|
class 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
|