InnoDB: commit after every 10000 rows in ALTER TABLE

innobase/include/lock0lock.h:
  Added function lock_get_ix_table()
innobase/include/row0mysql.h:
  Added parameter "table" to row_lock_table_for_mysql()
innobase/lock/lock0lock.c:
  Added function lock_get_ix_table()
innobase/row/row0mysql.c:
  Added parameter "table" to row_lock_table_for_mysql()
sql/ha_innodb.cc:
  write_row(): commit every 10000 rows in ALTER TABLE
sql/ha_innodb.h:
  Added member variable num_write_row

1 files changed, 13 insertions, 0 deletions

diff --git a/innobase/lock/lock0lock.c b/innobase/lock/lock0lock.c
index 68073647248..6f2d58b72c3 100644
--- a/innobase/lock/lock0lock.c
+++ b/innobase/lock/lock0lock.c
@@ -395,6 +395,19 @@ lock_rec_get_nth_bit(
 	return(ut_bit_get_nth(b, bit_index));
 }	
 
+/*************************************************************************
+Gets the table covered by an IX table lock. */
+
+dict_table_t*
+lock_get_ix_table(
+/*==============*/
+			/* out: the table covered by the lock */
+	lock_t*	lock)	/* in: table lock */
+{
+	ut_a(lock->type_mode == (LOCK_TABLE | LOCK_IX));
+	return(lock->un_member.tab_lock.table);
+}
+
 /*************************************************************************/
 
 #define lock_mutex_enter_kernel()	mutex_enter(&kernel_mutex)