class Baza::Driver::Mysql::Columns
Constants
- DATA_SQL_ALLOWED_KEYS
Public Class Methods
new(args)
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# File lib/baza/driver/mysql/columns.rb, line 2 def initialize(args) @db = args.fetch(:db) end
Public Instance Methods
data_sql(data)
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# File lib/baza/driver/mysql/columns.rb, line 7 def data_sql(data) data.each_key do |key| raise "Invalid key: '#{key}' (#{key.class.name})." unless DATA_SQL_ALLOWED_KEYS.include?(key) end raise "No type given." unless data[:type] type = data[:type].to_sym data[:maxlength] = 255 if type == :varchar && data[:maxlength].to_s.strip.empty? sql = "#{@db.quote_column(data.fetch(:name))} #{type}" sql << "(#{data[:maxlength]})" if data[:maxlength] sql << " PRIMARY KEY" if data[:primarykey] sql << " AUTO_INCREMENT" if data[:autoincr] sql << " NOT NULL" if data.key?(:null) && !data[:null] if data.key?(:default_func) sql << " DEFAULT #{data[:default_func]}" elsif data.key?(:default) && !data[:default].nil? sql << " DEFAULT #{@db.quote_value(data.fetch(:default))}" end sql << " COMMENT #{@db.quote_value(data.fetch(:comment))}" if data.key?(:comment) sql << " AFTER #{@db.quote_column(data.fetch(:after))}" if data[:after] && !data[:first] sql << " FIRST" if data[:first] sql << " STORAGE #{data[:storage].to_s.upcase}" if data[:storage] sql end