Module: ActiveRecord::ConnectionAdapters::MySQL::Quoting::ClassMethods

Defined in:
lib/active_record/connection_adapters/mysql/quoting.rb

Overview

:nodoc:

Instance Method Summary collapse

Instance Method Details

#column_name_matcher ⇒ Object 



15
16
17
18
19
20
21
22
23
24
25
26
27
28
 
# File 'lib/active_record/connection_adapters/mysql/quoting.rb', line 15

def column_name_matcher
  /
    \A
    (
      (?:
        # `table_name`.`column_name` | function(one or no argument)
        ((?:\w+\.|`\w+`\.)?(?:\w+|`\w+`) | \w+\((?:|\g<2>)\))
      )
      (?:(?:\s+AS)?\s+(?:\w+|`\w+`))?
    )
    (?:\s*,\s*\g<1>)*
    \z
  /ix
end

#column_name_with_order_matcher ⇒ Object 



30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
 
# File 'lib/active_record/connection_adapters/mysql/quoting.rb', line 30

def column_name_with_order_matcher
  /
    \A
    (
      (?:
        # `table_name`.`column_name` | function(one or no argument)
        ((?:\w+\.|`\w+`\.)?(?:\w+|`\w+`) | \w+\((?:|\g<2>)\))
      )
      (?:\s+COLLATE\s+(?:\w+|"\w+"))?
      (?:\s+ASC|\s+DESC)?
    )
    (?:\s*,\s*\g<1>)*
    \z
  /ix
end

#quote_column_name(name) ⇒ Object 



46
47
48
 
# File 'lib/active_record/connection_adapters/mysql/quoting.rb', line 46

def quote_column_name(name)
  QUOTED_COLUMN_NAMES[name] ||= "`#{name.to_s.gsub('`', '``')}`".freeze
end

#quote_table_name(name) ⇒ Object 



50
51
52
 
# File 'lib/active_record/connection_adapters/mysql/quoting.rb', line 50

def quote_table_name(name)
  QUOTED_TABLE_NAMES[name] ||= "`#{name.to_s.gsub('`', '``').gsub(".", "`.`")}`".freeze
end