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authorunknown <monty@work.mysql.com>2001-09-02 18:38:33 +0200
committerunknown <monty@work.mysql.com>2001-09-02 18:38:33 +0200
commitddee00a6edc735b3bbef42b7d0d662091debd560 (patch)
tree4689ffbe50e97ce9a47deb58fa2b9e7decdfc6a8 /sql/item_func.cc
parent3c951b6d99dd2753522501adce2d28f40d54a5e3 (diff)
parent1e97b27ee2b908a17c12962778b82237934a6b73 (diff)
downloadmariadb-git-ddee00a6edc735b3bbef42b7d0d662091debd560.tar.gz
merge with 3.23.42
config.guess: Auto merged config.sub: Auto merged ltconfig: Auto merged BitKeeper/deleted/.del-violite.c~d7b85be615595ace: Auto merged BitKeeper/deleted/.del-violite.c~984c09cffe14a11b: Auto merged client/Makefile.am: Auto merged include/errmsg.h: Auto merged include/global.h: Auto merged include/heap.h: Auto merged include/my_sys.h: Auto merged include/mysql_com.h: Auto merged isam/isamlog.c: Auto merged libmysql/libmysql.c: Auto merged merge/open.c: Auto merged myisam/ft_search.c: Auto merged myisam/ftdefs.h: Auto merged myisam/mi_test_all.sh: Auto merged myisam/myisamchk.c: Auto merged myisam/myisamlog.c: Auto merged myisam/myisampack.c: Auto merged myisam/sort.c: Auto merged myisammrg/myrg_open.c: Auto merged mysys/hash.c: Auto merged mysys/mf_casecnv.c: Auto merged mysys/mf_format.c: Auto merged mysys/my_lib.c: Auto merged mysys/tree.c: Auto merged sql-bench/bench-init.pl.sh: Auto merged sql/filesort.cc: Auto merged sql/ha_myisam.cc: Auto merged sql/ha_myisammrg.cc: Auto merged sql/handler.cc: Auto merged sql/handler.h: Auto merged sql/item_func.cc: Auto merged sql/item_strfunc.cc: Auto merged sql/lex.h: Auto merged sql/log.cc: Auto merged sql/log_event.cc: Auto merged sql/mysql_priv.h: Auto merged sql/mysqld.cc: Auto merged sql/net_serv.cc: Auto merged sql/slave.cc: Auto merged sql/sql_acl.cc: Auto merged sql/sql_base.cc: Auto merged sql/sql_class.cc: Auto merged sql/sql_class.h: Auto merged sql/sql_db.cc: Auto merged sql/sql_delete.cc: Auto merged sql/sql_insert.cc: Auto merged sql/sql_parse.cc: Auto merged sql/sql_select.cc: Auto merged sql/sql_show.cc: Auto merged mysql-test/r/func_time.result: Auto merged mysql-test/r/innodb.result: Auto merged mysql-test/t/bdb.test: Auto merged mysql-test/t/err000001.test: Auto merged mysql-test/t/func_time.test: Auto merged mysql-test/t/innodb.test: Auto merged mysql-test/t/overflow.test: Auto merged mysql-test/t/show_check.test: Auto merged sql/sql_table.cc: Auto merged sql/sql_test.cc: Auto merged sql/sql_update.cc: Auto merged sql/sql_yacc.yy: Auto merged strings/ctype.c: Auto merged Docs/manual.texi: Change to 3.23 manual. (I will later add the changes for 4.0 to this copy) client/mysql.cc: merge client/mysqlbinlog.cc: merge client/mysqldump.c: merge client/mysqltest.c: merge client/thread_test.c: merge configure.in: merge include/my_pthread.h: merge include/mysqld_error.h: merge libmysql/net.c: merge myisam/mi_cache.c: merge myisam/mi_check.c: merge mysql-test/t/fulltext.test: merge mysys/mf_qsort.c: merge sql/lock.cc: merge sql/md5.c: merge sql/mini_client.cc: merge sql/share/czech/errmsg.txt: merge sql/share/danish/errmsg.txt: merge sql/share/dutch/errmsg.txt: merge sql/share/english/errmsg.txt: merge sql/share/estonian/errmsg.txt: merge sql/share/french/errmsg.txt: merge sql/share/german/errmsg.txt: merge sql/share/greek/errmsg.txt: merge sql/share/hungarian/errmsg.txt: merge sql/share/italian/errmsg.txt: merge sql/share/japanese/errmsg.txt: merge sql/share/korean/errmsg.txt: merge sql/share/norwegian-ny/errmsg.txt: merge sql/share/norwegian/errmsg.txt: merge sql/share/polish/errmsg.txt: merge sql/share/portuguese/errmsg.txt: merge sql/share/romanian/errmsg.txt: merge sql/share/russian/errmsg.txt: merge sql/share/slovak/errmsg.txt: merge sql/share/spanish/errmsg.txt: merge sql/share/swedish/errmsg.txt: merge sql/sql_load.cc: merge sql/sql_repl.cc: merge
Diffstat (limited to 'sql/item_func.cc')
-rw-r--r--sql/item_func.cc92
1 files changed, 63 insertions, 29 deletions
diff --git a/sql/item_func.cc b/sql/item_func.cc
index 66a50eb0ec0..3ef5ed5d7a3 100644
--- a/sql/item_func.cc
+++ b/sql/item_func.cc
@@ -259,10 +259,14 @@ double Item_func_plus::val()
longlong Item_func_plus::val_int()
{
- longlong value=args[0]->val_int()+args[1]->val_int();
- if ((null_value=args[0]->null_value || args[1]->null_value))
- return 0;
- return value;
+ if (hybrid_type == INT_RESULT)
+ {
+ longlong value=args[0]->val_int()+args[1]->val_int();
+ if ((null_value=args[0]->null_value || args[1]->null_value))
+ return 0;
+ return value;
+ }
+ return (longlong) Item_func_plus::val();
}
double Item_func_minus::val()
@@ -275,12 +279,17 @@ double Item_func_minus::val()
longlong Item_func_minus::val_int()
{
- longlong value=args[0]->val_int() - args[1]->val_int();
- if ((null_value=args[0]->null_value || args[1]->null_value))
- return 0;
- return value;
+ if (hybrid_type == INT_RESULT)
+ {
+ longlong value=args[0]->val_int() - args[1]->val_int();
+ if ((null_value=args[0]->null_value || args[1]->null_value))
+ return 0;
+ return value;
+ }
+ return (longlong) Item_func_minus::val();
}
+
double Item_func_mul::val()
{
double value=args[0]->val()*args[1]->val();
@@ -291,10 +300,14 @@ double Item_func_mul::val()
longlong Item_func_mul::val_int()
{
- longlong value=args[0]->val_int()*args[1]->val_int();
- if ((null_value=args[0]->null_value || args[1]->null_value))
- return 0; /* purecov: inspected */
- return value;
+ if (hybrid_type == INT_RESULT)
+ {
+ longlong value=args[0]->val_int()*args[1]->val_int();
+ if ((null_value=args[0]->null_value || args[1]->null_value))
+ return 0; /* purecov: inspected */
+ return value;
+ }
+ return (longlong) Item_func_mul::val();
}
@@ -309,11 +322,15 @@ double Item_func_div::val()
longlong Item_func_div::val_int()
{
- longlong value=args[0]->val_int();
- longlong val2=args[1]->val_int();
- if ((null_value= val2 == 0 || args[0]->null_value || args[1]->null_value))
- return 0;
- return value/val2;
+ if (hybrid_type == INT_RESULT)
+ {
+ longlong value=args[0]->val_int();
+ longlong val2=args[1]->val_int();
+ if ((null_value= val2 == 0 || args[0]->null_value || args[1]->null_value))
+ return 0;
+ return value/val2;
+ }
+ return (longlong) Item_func_div::val();
}
void Item_func_div::fix_length_and_dec()
@@ -1382,6 +1399,23 @@ void item_user_lock_free(void)
void item_user_lock_release(ULL *ull)
{
ull->locked=0;
+ if (mysql_bin_log.is_open())
+ {
+ THD *thd = current_thd;
+ int save_errno;
+ char buf[256];
+ String tmp(buf,sizeof(buf));
+ tmp.length(0);
+ tmp.append("SELECT release_lock(\"");
+ tmp.append(ull->key,ull->key_length);
+ tmp.append("\")");
+ save_errno=thd->net.last_errno;
+ thd->net.last_errno=0;
+ thd->query_length=tmp.length();
+ Query_log_event qev(thd,tmp.ptr());
+ mysql_bin_log.write(&qev);
+ thd->net.last_errno=save_errno;
+ }
if (--ull->count)
pthread_cond_signal(&ull->cond);
else
@@ -1428,7 +1462,7 @@ longlong Item_func_get_lock::val_int()
struct timespec abstime;
THD *thd=current_thd;
ULL *ull;
- int error;
+ int error=0;
pthread_mutex_lock(&LOCK_user_locks);
@@ -1466,23 +1500,23 @@ longlong Item_func_get_lock::val_int()
/* structure is now initialized. Try to get the lock */
/* Set up control struct to allow others to abort locks */
- pthread_mutex_lock(&thd->mysys_var->mutex);
thd->proc_info="User lock";
thd->mysys_var->current_mutex= &LOCK_user_locks;
thd->mysys_var->current_cond= &ull->cond;
- pthread_mutex_unlock(&thd->mysys_var->mutex);
+#ifdef HAVE_TIMESPEC_TS_SEC
+ abstime.ts_sec=time((time_t*) 0)+(time_t) timeout;
+ abstime.ts_nsec=0;
+#else
abstime.tv_sec=time((time_t*) 0)+(time_t) timeout;
abstime.tv_nsec=0;
- while ((error=pthread_cond_timedwait(&ull->cond,&LOCK_user_locks,&abstime))
- != ETIME && error != ETIMEDOUT && ull->locked)
- {
- if (thd->killed || abort_loop)
- {
- error=EINTR; // Return NULL
- break;
- }
- }
+#endif
+
+ while (!thd->killed &&
+ (error=pthread_cond_timedwait(&ull->cond,&LOCK_user_locks,&abstime))
+ != ETIME && error != ETIMEDOUT && ull->locked) ;
+ if (thd->killed)
+ error=EINTR; // Return NULL
if (ull->locked)
{
if (!--ull->count)