Many files:

  Small improvements
row0mysql.c:
  Small improvements + fix the ALTER TABLE problem by introducing a lazy drop table it can use
ha_innobase.cc:
  Some fine-tuning of optimization


sql/ha_innobase.cc:
  Some fine-tuning of optimization
innobase/include/log0recv.h:
  Small improvements
innobase/include/mem0mem.h:
  Small improvements
innobase/include/mem0pool.h:
  Small improvements
innobase/include/row0mysql.h:
  Small improvements
innobase/include/srv0srv.h:
  Small improvements
innobase/include/trx0trx.h:
  Small improvements
innobase/buf/buf0lru.c:
  Small improvements
innobase/fil/fil0fil.c:
  Small improvements
innobase/log/log0recv.c:
  Small improvements
innobase/mem/mem0mem.c:
  Small improvements
innobase/mem/mem0pool.c:
  Small improvements
innobase/row/row0mysql.c:
  Small improvements + fix the ALTER TABLE problem by introducing a lazy drop table it can use
innobase/srv/srv0srv.c:
  Small improvements
innobase/srv/srv0start.c:
  Small improvements
innobase/trx/trx0purge.c:
  Small improvements
innobase/trx/trx0trx.c:
  Small improvements

1 files changed, 9 insertions, 1 deletions

diff --git a/innobase/fil/fil0fil.c b/innobase/fil/fil0fil.c
index 62389c8394c..138f1a78985 100644
--- a/innobase/fil/fil0fil.c
+++ b/innobase/fil/fil0fil.c
@@ -1088,7 +1088,15 @@ loop:
 	node = UT_LIST_GET_FIRST(space->chain);
 
 	for (;;) {
-		ut_a(node);
+		if (node == NULL) {
+			fprintf(stderr,
+	"InnoDB: Error: trying to access page number %lu in space %lu\n"
+	"InnoDB: which is outside the tablespace bounds.\n"
+	"InnoDB: Byte offset %lu, len %lu, i/o type %lu\n", 
+ 			block_offset, space_id, byte_offset, len, type);
+ 			
+			ut_a(0);
+		}
 
 		if (node->size > block_offset) {
 			/* Found! */