Class: Baza::Driver::Mysql::Sql::Column

Inherits:
Object
  • Object
show all
Defined in:
lib/baza/driver/mysql/sql/column.rb

Constant Summary collapse

DATA_SQL_ALLOWED_KEYS = 
%i[foreign_key type maxlength name primarykey autoincr default comment after first storage null renames].freeze

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(data) ⇒ Column

Returns a new instance of Column.



6
7
8
 
# File 'lib/baza/driver/mysql/sql/column.rb', line 6

def initialize(data)
  @data = data
end

Instance Attribute Details

#data ⇒ Object (readonly)

Returns the value of attribute data.



4
5
6
 
# File 'lib/baza/driver/mysql/sql/column.rb', line 4

def data
  @data
end

Instance Method Details

#sql ⇒ Object

rubocop:disable Metrics/AbcSize



10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
 
# File 'lib/baza/driver/mysql/sql/column.rb', line 10

def sql # rubocop:disable Metrics/AbcSize
  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 = "#{Baza::Driver::Mysql.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]
  sql << " REFERENCES #{data.fetch(:foreign_key).fetch(:to).fetch(0)}(#{data.fetch(:foreign_key).fetch(:to).fetch(1)})" if data[:foreign_key]

  if data.key?(:default_func)
    sql << " DEFAULT #{data[:default_func]}"
  elsif data.key?(:default) && !data[:default].nil?
    sql << " DEFAULT #{Baza::Driver::Mysql.quote_value(data.fetch(:default))}"
  end

  sql << " COMMENT #{Baza::Driver::Mysql.quote_value(data.fetch(:comment))}" if data.key?(:comment)
  sql << " AFTER #{Baza::Driver::Mysql.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