merge 3.23 -> 4.0, 2003/02/06

BitKeeper/etc/ignore:
  auto-union
BitKeeper/etc/logging_ok:
  auto-union
mysql-test/r/func_math.result:
  Auto merged
mysql-test/t/func_math.test:
  Auto merged
sql/item_func.cc:
  Auto merged

.bzrignore

@@ -38,7 +38,11 @@ COPYING.LIB
 Docs/#manual.texi#
 Docs/INSTALL-BINARY
 Docs/include.texi
+Docs/internals.html
 Docs/internals.info
+Docs/internals.pdf
+Docs/internals.txt
+Docs/internals_toc.html
 Docs/manual.aux
 Docs/manual.cp
 Docs/manual.cps
@@ -221,6 +225,7 @@ extra/replace
 extra/resolve_stack_dump
 extra/resolveip
 gmon.out
+hardcopy.0
 heap/hp_test1
 heap/hp_test2
 include/my_config.h
@@ -251,11 +256,13 @@ libmysql/conf_to_src
 libmysql/my_static.h
 libmysql/mysys_priv.h
 libmysql/net.c
+libmysql/vio_priv.h
 libmysql_r/*.c
 libmysql_r/acconfig.h
 libmysql_r/conf_to_src
 libmysql_r/my_static.h
 libmysql_r/mysys_priv.h
+libmysql_r/vio_priv.h
 libmysqld/backup_dir
 libmysqld/convert.cc
 libmysqld/derror.cc
@@ -363,6 +370,7 @@ linked_libmysqldex_sources
 linked_server_sources
 linked_tools_sources
 locked
+man/*.1
 mit-pthreads/config.flags
 mit-pthreads/include/bits
 mit-pthreads/include/pthread/machdep.h
@@ -382,6 +390,7 @@ myisam/mi_test2
 myisam/mi_test3
 myisam/mi_test_all
 myisam/myisam.log
+myisam/myisam_ftdump
 myisam/myisamchk
 myisam/myisamlog
 myisam/myisampack
@@ -429,6 +438,8 @@ repl-tests/test-repl/sum-wlen-slave.master.
 repl-tests/test-repl/sum-wlen-slave.master.re
 repl-tests/test-repl/sum-wlen-slave.master.reje
 scripts/make_binary_distribution
+scripts/make_sharedlib_distribution
+scripts/make_win_src_distribution
 scripts/msql2mysql
 scripts/mysql_config
 scripts/mysql_convert_table_format
@@ -496,6 +507,7 @@ sql/share/norwegian/errmsg.sys
 sql/sql_select.cc.orig
 sql/sql_yacc.cc
 sql/sql_yacc.h
+sql/udf_example.so
 stamp-h
 stamp-h.in
 stamp-h1
@@ -504,6 +516,7 @@ strings/ctype_autoconf.c
 strings/ctype_extra_sources.c
 support-files/MacOSX/Description.plist
 support-files/MacOSX/Info.plist
+support-files/MacOSX/ReadMe.txt
 support-files/MacOSX/StartupParameters.plist
 support-files/MacOSX/postinstall
 support-files/MacOSX/preinstall
@@ -530,16 +543,3 @@ vio/test-ssl
 vio/test-sslclient
 vio/test-sslserver
 vio/viotest-ssl
-support-files/MacOSX/ReadMe.txt
-Docs/internals.html
-Docs/internals.pdf
-Docs/internals.txt
-Docs/internals_toc.html
-scripts/make_win_src_distribution
-libmysql/vio_priv.h
-libmysql_r/vio_priv.h
-hardcopy.0
-scripts/make_sharedlib_distribution
-sql/udf_example.so
-man/*.1
-myisam/myisam_ftdump

mysql-test/r/alter_table.result

@@ -350,3 +350,11 @@ t1	0	PRIMARY	1	Host	A	NULL	NULL	NULL		BTREE
 t1	0	PRIMARY	2	User	A	0	NULL	NULL		BTREE	
 t1	1	Host	1	Host	A	NULL	NULL	NULL		BTREE	disabled
 DROP TABLE t1;
+name
+current
+name
+mysqltest
+name
+current
+name
+mysqltest

mysql-test/r/func_math.result

@@ -41,3 +41,15 @@ pi()	sin(pi()/2)	cos(pi()/2)	abs(tan(pi()))	cot(1)	asin(1)	acos(0)	atan(1)
 select degrees(pi()),radians(360);
 degrees(pi())	radians(360)
 180	6.2831853071796
+ACOS(1.0)
+0.000000
+ASIN(1.0)
+1.570796
+ACOS(0.2*5.0)
+0.000000
+ACOS(0.5*2.0)
+0.000000
+ASIN(0.8+0.2)
+1.570796
+ASIN(1.2-0.2)
+1.570796

mysql-test/r/insert_select.result

@@ -592,3 +592,15 @@ CREATE TABLE t2 ( USID INTEGER UNSIGNED AUTO_INCREMENT, ServerID TINYINT UNSIGNE
 INSERT INTO t1 VALUES (39,42,'Access-Granted','46','491721000045',2130706433,17690,NULL,NULL,'Localnet','491721000045','49172200000',754974766,NULL,NULL,NULL,NULL,NULL,NULL,NULL,'2003-07-18 00:11:21',NULL,NULL,20030718001121);
 INSERT INTO t2 SELECT USID, ServerID, State, SessionID, User, NASAddr, NASPort, NASPortType, ConnectSpeed, CarrierType, CallingStationID, CalledStationID, AssignedAddr, SessionTime, PacketsIn, OctetsIn, PacketsOut, OctetsOut, TerminateCause, UnauthTime, AccessRequestTime, AcctStartTime, AcctLastTime, LastModification from t1 LIMIT 1;
 drop table t1,t2;
+Month	Type	Field	Count
+2003-09-01	1	1	100
+2003-09-01	1	2	100
+2003-09-01	2	1	100
+2003-09-01	2	2	100
+2003-09-01	3	1	100
+NULL	Field	Count
+NULL	1	100
+NULL	2	100
+No	Field	Count
+0	1	100
+0	2	100

mysql-test/t/alter_table.test

@@ -204,3 +204,20 @@ LOCK TABLES t1 WRITE;
 ALTER TABLE t1 DISABLE KEYS;
 SHOW INDEX FROM t1;
 DROP TABLE t1;
+#
+# Bug #2628: 'alter table t1 rename mysqltest.t1' silently drops mysqltest.t1 
+# if it exists
+#
+create table t1 (name char(15));
+insert into t1 (name) values ("current");
+create database mysqltest;
+create table mysqltest.t1 (name char(15));
+insert into mysqltest.t1 (name) values ("mysqltest");
+select * from t1;
+select * from mysqltest.t1;
+--error 1050
+alter table t1 rename mysqltest.t1;
+select * from t1;
+select * from mysqltest.t1;
+drop table t1;
+drop database mysqltest;

mysql-test/t/func_math.test

@@ -17,3 +17,14 @@ set @@rand_seed1=10000000,@@rand_seed2=1000000;
 select rand(999999),rand();
 select pi(),sin(pi()/2),cos(pi()/2),abs(tan(pi())),cot(1),asin(1),acos(0),atan(1);
 select degrees(pi()),radians(360);
+
+#
+# Bug #2338 Trignometric arithmatic problems 
+#
+
+SELECT ACOS(1.0);
+SELECT ASIN(1.0);
+SELECT ACOS(0.2*5.0);
+SELECT ACOS(0.5*2.0);
+SELECT ASIN(0.8+0.2);
+SELECT ASIN(1.2-0.2);

mysql-test/t/insert_select.test

@@ -132,3 +132,32 @@ CREATE TABLE t2 ( USID INTEGER UNSIGNED AUTO_INCREMENT, ServerID TINYINT UNSIGNE
 INSERT INTO t1 VALUES (39,42,'Access-Granted','46','491721000045',2130706433,17690,NULL,NULL,'Localnet','491721000045','49172200000',754974766,NULL,NULL,NULL,NULL,NULL,NULL,NULL,'2003-07-18 00:11:21',NULL,NULL,20030718001121);
 INSERT INTO t2 SELECT USID, ServerID, State, SessionID, User, NASAddr, NASPort, NASPortType, ConnectSpeed, CarrierType, CallingStationID, CalledStationID, AssignedAddr, SessionTime, PacketsIn, OctetsIn, PacketsOut, OctetsOut, TerminateCause, UnauthTime, AccessRequestTime, AcctStartTime, AcctLastTime, LastModification from t1 LIMIT 1;
 drop table t1,t2;
+# Another problem from Bug #2012
+#
+
+CREATE TABLE t1(
+ Month date NOT NULL,
+ Type tinyint(3) unsigned NOT NULL auto_increment,
+ Field int(10) unsigned NOT NULL,
+ Count int(10) unsigned NOT NULL,
+ UNIQUE KEY Month (Month,Type,Field)
+);
+	  
+insert into t1 Values
+(20030901, 1, 1, 100),
+(20030901, 1, 2, 100),
+(20030901, 2, 1, 100),
+(20030901, 2, 2, 100),
+(20030901, 3, 1, 100);
+
+select * from t1;
+	  
+Select null, Field, Count From t1 Where Month=20030901 and Type=2;
+	  
+create table t2(No int not null, Field int not null, Count int not null);
+	  
+insert into t2 Select null, Field, Count From t1 Where Month=20030901 and Type=2;
+	  
+select * from t2;
+
+drop table t1, t2;

sql/item_func.cc

@@ -551,7 +551,8 @@ double Item_func_pow::val()
 
 double Item_func_acos::val()
 {
-  double value=args[0]->val();
+  // the volatile's for BUG #2338 to calm optimizer down (because of gcc's bug)
+  volatile double value=args[0]->val();
   if ((null_value=(args[0]->null_value || (value < -1.0 || value > 1.0))))
     return 0.0;
   return fix_result(acos(value));
@@ -559,7 +560,8 @@ double Item_func_acos::val()
 
 double Item_func_asin::val()
 {
-  double value=args[0]->val();
+  // the volatile's for BUG #2338 to calm optimizer down (because of gcc's bug)
+  volatile double value=args[0]->val();
   if ((null_value=(args[0]->null_value || (value < -1.0 || value > 1.0))))
     return 0.0;
   return fix_result(asin(value));

sql/sql_select.cc

@@ -2596,9 +2596,15 @@ store_val_in_field(Field *field,Item *item)
   bool error;
   THD *thd=current_thd;
   ha_rows cuted_fields=thd->cuted_fields;
+  /*
+    we should restore old value of count_cuted_fields because
+    store_val_in_field can be called from mysql_insert 
+    with select_insert, which make count_cuted_fields= 1
+   */
+  bool old_count_cuted_fields= thd->count_cuted_fields;
   thd->count_cuted_fields=1;
   error= item->save_in_field(field, 1);
-  thd->count_cuted_fields=0;
+  thd->count_cuted_fields= old_count_cuted_fields;
   return error || cuted_fields != thd->cuted_fields;
 }
 

sql/sql_table.cc

@@ -1478,7 +1478,7 @@ int mysql_alter_table(THD *thd,char *new_db, char *new_name,
   alias= (lower_case_table_names == 2) ? table_list->alias : table_name;
 
   db=table_list->db;
-  if (!new_db || !strcmp(new_db,db))
+  if (!new_db || !strcmp(new_db, db))
     new_db=db;
   used_fields=create_info->used_fields;
   
@@ -1490,8 +1490,6 @@ int mysql_alter_table(THD *thd,char *new_db, char *new_name,
   if (new_name)
   {
     strmov(new_name_buff,new_name);
-    strmov(new_alias= new_alias_buff, new_name);
-    fn_same(new_name_buff,table_name,3);
     if (lower_case_table_names)
     {
       if (lower_case_table_names != 2)
@@ -1501,11 +1499,18 @@ int mysql_alter_table(THD *thd,char *new_db, char *new_name,
       }
       casedn_str(new_name);
     }
-    if ((lower_case_table_names &&
-	 !my_strcasecmp(new_name_buff,table_name)) ||
-	(!lower_case_table_names &&
+    if (new_db == db &&
+        (lower_case_table_names &&
+	 !my_strcasecmp(new_name_buff,table_name) ||
+	 !lower_case_table_names &&
 	 !strcmp(new_name_buff,table_name)))
-      new_alias= new_name= table_name;	// No change. Make later check easier
+    {
+      /*
+        Source and destination table names are equal: make later check
+        easier.
+      */
+      new_alias= new_name= table_name;
+    }
     else
     {
       if (table->tmp_table)