class ActiveRecord::Base
Public Class Methods
reset_table_sequence()
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# File lib/active_record/reset_table_sequence.rb, line 3 def self.reset_table_sequence case ActiveRecord::Base.connection.adapter_name when 'SQLite' new_max = maximum(primary_key) || 0 update_seq_sql = "update sqlite_sequence set seq = #{new_max} where name = '#{table_name}';" ActiveRecord::Base.connection.execute(update_seq_sql) when 'PostgreSQL' ActiveRecord::Base.connection.reset_pk_sequence!(table_name) when 'Mysql2' ActiveRecord::Base.connection.execute("ALTER TABLE #{table_name} AUTO_INCREMENT = 1;") else raise "Task not implemented for this DB adapter" end end