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Contents
# frozen_string_literal: true
module Ridgepole
class DSLParser
def initialize(options = {})
@options = options
end
def parse(dsl, opts = {})
definition, execute = Context.eval(dsl, opts)
check_definition(definition)
[definition, execute]
end
private
def check_definition(definition)
definition.each do |table_name, attrs|
check_orphan_index(table_name, attrs)
check_orphan_foreign_key(table_name, attrs)
check_foreign_key_without_index(table_name, attrs)
end
end
def check_orphan_index(table_name, attrs)
raise "Table `#{table_name}` to create the index is not defined: #{attrs[:indices].keys.join(',')}" if attrs[:indices] && !(attrs[:definition])
end
def check_orphan_foreign_key(table_name, attrs)
raise "Table `#{table_name}` to create the foreign key is not defined: #{attrs[:foreign_keys].keys.join(',')}" if attrs[:foreign_keys] && !(attrs[:definition])
end
def check_foreign_key_without_index(table_name, attrs)
return unless attrs[:foreign_keys]
return unless attrs[:options][:options]&.include?('ENGINE=InnoDB')
attrs[:foreign_keys].each do |_, foreign_key_attrs|
fk_index = foreign_key_attrs[:options][:column] || "#{foreign_key_attrs[:to_table].singularize}_id"
next if attrs[:indices]&.any? { |_k, v| v[:column_name].first == fk_index }
Ridgepole::Logger.instance.warn(<<-MSG)
[WARNING] Table `#{table_name}` has a foreign key on `#{fk_index}` column, but doesn't have any indexes on the column.
Although an index will be added automatically by InnoDB, please add an index explicitly for your future operations.
MSG
end
end
end
end
Version data entries
5 entries across 5 versions & 1 rubygems