Commit d6b70bf4 authored by unknown's avatar unknown
Browse files

ha_innodb.cc: 

  Better comments about auto-inc and SHOW TABLE STATUS


sql/ha_innodb.cc:
  Better comments about auto-inc and SHOW TABLE STATUS
parent 53379f98

sql/ha_innodb.cc

+5 −3
Original line number Diff line number Diff line
@@ -5543,7 +5543,7 @@ ha_innobase::info( 


		/* The following function call can the first time fail in

		a lock wait timeout error because it reserves the auto-inc

		lock on the table. If it fails, then someone has already inited

		lock on the table. If it fails, then someone is already initing

		the auto-inc counter, and the second call is guaranteed to

		succeed. */
@@ -6893,9 +6893,11 @@ ha_innobase::innobase_read_and_init_auto_inc( 


func_exit_early:

	/* Since MySQL does not seem to call autocommit after SHOW TABLE

	STATUS (even if we would register the trx here), we must commit our

	STATUS (even if we would register the trx here), we commit our

	transaction here if it was started here. This is to eliminate a

	dangling transaction. */

	dangling transaction. If the user had AUTOCOMMIT=0, then SHOW

	TABLE STATUS does leave a dangling transaction if the user does not

	himself call COMMIT. */



	if (trx_was_not_started) {