mirror/mariadb
1
0
Fork 0
mirror of https://github.com/MariaDB/server.git synced 2025-02-01 11:31:51 +01:00
Code Issues Projects Releases Packages Wiki Activity Actions

branches/innodb+: ibuf_get_volume_buffered_count(), ibuf_get_volume_buffered():

Browse source 
Make n_recs signed.  When the records are processed backwards and the last
buffered operations are deletes, this allows *n_recs to become negative,
as it should.  This should finally put Issue #117 to rest.
This commit is contained in:
marko 2008-12-01 09:37:07 +00:00
parent b6679b1d14
commit e34c6d563f
1 changed files with 4 additions and 4 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

8
ibuf/ibuf0ibuf.c
View file

@ -2575,7 +2575,7 @@ ibuf_get_volume_buffered_count(
const rec_t* rec, /* in: insert buffer record */
byte* hash, /* in/out: hash array */
ulint size, /* in: size of hash array, in bytes */
ulint* n_recs) /* in/out: estimated number of records
lint* n_recs) /* in/out: estimated number of records
on the page that rec points to */
{
ulint len;
@ -2647,7 +2647,7 @@ ibuf_get_volume_buffered_count(
break;
case IBUF_OP_DELETE:
/* A record will be removed from the page. */
if (n_recs && *n_recs > 0) {
if (n_recs) {
(*n_recs)--;
}
/* While deleting a record actually frees up space,
@ -2698,7 +2698,7 @@ ibuf_get_volume_buffered(
or BTR_MODIFY_TREE */
ulint space, /* in: space id */
ulint page_no,/* in: page number of an index page */
ulint* n_recs, /* in/out: minimum number of records on the
lint* n_recs, /* in/out: minimum number of records on the
page after the buffered changes have been
applied, or NULL to disable the counting */
mtr_t* mtr) /* in: mtr */
@ -3154,7 +3154,7 @@ ibuf_insert_low(
dtuple_t* ibuf_entry;
mem_heap_t* heap;
ulint buffered;
ulint min_n_recs;
lint min_n_recs;
rec_t* ins_rec;
ibool old_bit_value;
page_t* bitmap_page;