module ActiveRecordMysqlIndexHint
Constants
- VERSION
Public Instance Methods
force_index(*args)
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# File lib/activerecord-mysql-index-hint.rb, line 8 def force_index(*args) from_with_index_hint 'FORCE', *args end
ignore_index(*args)
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# File lib/activerecord-mysql-index-hint.rb, line 12 def ignore_index(*args) from_with_index_hint 'IGNORE', *args end
use_index(*args)
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# File lib/activerecord-mysql-index-hint.rb, line 4 def use_index(*args) from_with_index_hint 'USE', *args end
Private Instance Methods
from_with_index_hint(hint_type, *args)
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# File lib/activerecord-mysql-index-hint.rb, line 17 def from_with_index_hint(hint_type, *args) return self if args.blank? indexes = args.map {|index| connection.quote_column_name index } self.from([Arel.sql("#{quoted_table_name} #{hint_type} INDEX(#{indexes.join(', ')})")]) end