method
build_insert_sql
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Class: AbstractMysqlAdapter
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build_insert_sql(insert)
public
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# File activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb, line 538 def build_insert_sql(insert) # :nodoc: sql = +"INSERT #{insert.into} #{insert.values_list}" if insert.skip_duplicates? no_op_column = quote_column_name(insert.keys.first) sql << " ON DUPLICATE KEY UPDATE #{no_op_column}=#{no_op_column}" elsif insert.update_duplicates? sql << " ON DUPLICATE KEY UPDATE " if insert.raw_update_sql? sql << insert.raw_update_sql else sql << insert.touch_model_timestamps_unless { |column| "#{column}<=>VALUES(#{column})" } sql << insert.updatable_columns.map { |column| "#{column}=VALUES(#{column})" }.join(",") end end sql end