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authorunknown <serg@infomag.ape.relarn.ru>2000-08-14 15:27:19 +0400
committerunknown <serg@infomag.ape.relarn.ru>2000-08-14 15:27:19 +0400
commit24772d99999d128f77626cb1c4a19dbcb29b43b2 (patch)
tree290f97643db41800f2922e6143b2a89e93d5476d /mysys/queues.c
parent99110483b2271095dd8b2cb655e3a054f6f7c5a5 (diff)
downloadmariadb-git-24772d99999d128f77626cb1c4a19dbcb29b43b2.tar.gz
PART I: Keys support for MyMERGE tables
myisammrg/ | Makefile.am | mymrgdef.h | support for keys myrg_open.c | & myrg_queue.c | bugfixes myrg_rfirst.c | myrg_rkey.c | myrg_rlast.c | myrg_rnext.c | myrg_rprev.c | myrg_rrnd.c | include/myisammrg.h | rkey/rnext/etc prototyped sql/ | ha_myisammrg.cc | support for keys ha_myisammrg.h | myisam/ | mi_rkey.c | buf==NULL extension, _mi_rkey() mi_rnext.c | mi_rprev.c | include/queues.h | reinit_queue() - same as init_queue, but w/o malloc mysys/queues.c | PART II: Miscellaneous myisam/common_words | deleted (looks like I checked it in by mistake) some files (like acconfig.h, Makefile.am, COPYING.LIB, etc) | Change mode to -rw-r--r-- (by `chmod a-x ') include/queues.h: Initial, from cvs myisammrg/Makefile.am: Initial, from cvs myisammrg/mymrgdef.h: Initial, from cvs myisammrg/myrg_open.c: Initial, from cvs mysys/queues.c: Initial, from cvs BitKeeper/deleted/.del-common_words: ***MISSING WEAVE*** Makefile.am: Change mode to -rw-r--r-- include/mysql_version.h.in: Change mode to -rw-r--r-- libmysql/acconfig.h: ***MISSING WEAVE*** mysys/COPYING.LIB: Change mode to -rw-r--r-- sql/item_uniq.cc: Change mode to -rw-r--r-- sql/item_uniq.h: Change mode to -rw-r--r-- sql/share/Makefile.am: Change mode to -rw-r--r-- strings/ChangeLog: Change mode to -rw-r--r-- support-files/Makefile.am: Change mode to -rw-r--r-- myisam/mi_rkey.c: looks like rkey/rnext for MyMERGE is working myisam/mi_rnext.c: looks like rkey/rnext for MyMERGE is working myisammrg/myrg_queue.c: looks like rkey/rnext for MyMERGE is working myisammrg/myrg_rkey.c: looks like rkey/rnext for MyMERGE is working myisammrg/myrg_rnext.c: probably, works myisammrg/myrg_rprev.c: probably, works include/myisammrg.h: rkey/rnext/etc prototyped myisam/mi_rprev.c: buf==NULL, extension sql/ha_myisammrg.cc: support for keys sql/ha_myisammrg.h: support for keys myisammrg/myrg_rrnd.c: ORDER BY didn't work acconfig.h: Change mode to -rw-r--r--
Diffstat (limited to 'mysys/queues.c')
-rw-r--r--mysys/queues.c18
1 files changed, 18 insertions, 0 deletions
diff --git a/mysys/queues.c b/mysys/queues.c
index f33856b892d..40aa3c8db53 100644
--- a/mysys/queues.c
+++ b/mysys/queues.c
@@ -21,6 +21,7 @@
*/
#include "mysys_priv.h"
+#include "mysys_err.h"
#include <queues.h>
@@ -43,6 +44,23 @@ int init_queue(QUEUE *queue, uint max_elements, uint offset_to_key,
DBUG_RETURN(0);
}
+int reinit_queue(QUEUE *queue, uint max_elements, uint offset_to_key,
+ pbool max_at_top, int (*compare) (void *, byte *, byte *),
+ void *first_cmp_arg)
+{
+ DBUG_ENTER("reinit_queue");
+ if (queue->max_elements < max_elements)
+ /* It's real easy to do realloc here, just don't want to bother */
+ DBUG_RETURN(my_errno=EE_OUTOFMEMORY);
+
+ queue->elements=0;
+ queue->compare=compare;
+ queue->first_cmp_arg=first_cmp_arg;
+ queue->offset_to_key=offset_to_key;
+ queue->max_at_top= max_at_top ? (-1 ^ 1) : 0;
+ DBUG_RETURN(0);
+}
+
void delete_queue(QUEUE *queue)
{
DBUG_ENTER("delete_queue");