Merge jamppa@bk-internal.mysql.com:/home/bk/mysql-5.0

into  a193-229-222-105.elisa-laajakaista.fi:/home/my/bk/mysql-5.0

client/mysqltest.c

@@ -2382,7 +2382,8 @@ int read_line(char *buf, int size)
     if (feof(cur_file->file))
     {
   found_eof:
-      if (cur_file->file != stdin){
+      if (cur_file->file != stdin)
+      {
 	my_fclose(cur_file->file, MYF(0));
         cur_file->file= 0;
       }

mysql-test/r/create.result

@@ -9,6 +9,8 @@ NULL
 drop table if exists t1;
 create table t1 (b char(0) not null);
 create table if not exists t1 (b char(0) not null);
+Warnings:
+Note	1050	Table 't1' already exists
 insert into t1 values (""),(null);
 Warnings:
 Warning	1263	Column set to default value; NULL supplied to NOT NULL column 'b' at row 2
@@ -244,9 +246,13 @@ create table t1 select x'4132';
 drop table t1;
 create table t1 select 1,2,3;
 create table if not exists t1 select 1,2;
+Warnings:
+Note	1050	Table 't1' already exists
 create table if not exists t1 select 1,2,3,4;
 ERROR 21S01: Column count doesn't match value count at row 1
 create table if not exists t1 select 1;
+Warnings:
+Note	1050	Table 't1' already exists
 select * from t1;
 1	2	3
 1	2	3
@@ -255,9 +261,13 @@ select * from t1;
 drop table t1;
 create table t1 select 1,2,3;
 create table if not exists t1 select 1,2;
+Warnings:
+Note	1050	Table 't1' already exists
 create table if not exists t1 select 1,2,3,4;
 ERROR 21S01: Column count doesn't match value count at row 1
 create table if not exists t1 select 1;
+Warnings:
+Note	1050	Table 't1' already exists
 select * from t1;
 1	2	3
 1	2	3
@@ -269,6 +279,7 @@ insert into t1 values (1,1);
 create table if not exists t1 select 2;
 Warnings:
 Warning	1364	Field 'a' doesn't have a default value
+Note	1050	Table 't1' already exists
 select * from t1;
 a	b
 1	1
@@ -276,6 +287,7 @@ a	b
 create table if not exists t1 select 3 as 'a',4 as 'b';
 Warnings:
 Warning	1364	Field 'a' doesn't have a default value
+Note	1050	Table 't1' already exists
 create table if not exists t1 select 3 as 'a',3 as 'b';
 ERROR 23000: Duplicate entry '3' for key 1
 select * from t1;
@@ -609,6 +621,19 @@ create table test.t1 like x;
 ERROR 42000: Incorrect database name 'NULL'
 drop table if exists test.t1;
 create database mysqltest;
+create database if not exists mysqltest character set latin2;
+Warnings:
+Note	1007	Can't create database 'mysqltest'; database exists
+show create database mysqltest;
+Database	Create Database
+mysqltest	CREATE DATABASE `mysqltest` /*!40100 DEFAULT CHARACTER SET latin1 */
+drop database mysqltest;
+use test;
+create table t1 (a int);
+create table if not exists t1 (a int);
+Warnings:
+Note	1050	Table 't1' already exists
+drop table t1;
 use mysqltest;
 create view v1 as select 'foo' from dual;
 create table t1 like v1;

mysql-test/r/innodb.result

@@ -1719,6 +1719,17 @@ select * from t1;
 a
 42
 drop table t1;
+create table t1 (a int not null, b int not null, c blob not null, d int not null, e int, primary key (a,b,c(255),d)) engine=innodb;
+insert into t1 values (2,2,"b",2,2),(1,1,"a",1,1),(3,3,"ab",3,3);
+select * from t1 order by a,b,c,d;
+a	b	c	d	e
+1	1	a	1	1
+2	2	b	2	2
+3	3	ab	3	3
+explain select * from t1 order by a,b,c,d;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	3	Using filesort
+drop table t1;
 create table t1 (x bigint unsigned not null primary key) engine=innodb;
 insert into t1(x) values (0xfffffffffffffff0),(0xfffffffffffffff1);
 select * from t1;

mysql-test/r/temp_table.result

@@ -23,6 +23,8 @@ a	b
 6	g
 create TEMPORARY TABLE t2 engine=heap select * from t1;
 create TEMPORARY TABLE IF NOT EXISTS t2 (a int) engine=heap;
+Warnings:
+Note	1050	Table 't2' already exists
 CREATE TEMPORARY TABLE t1 (a int not null, b char (10) not null);
 ERROR 42S01: Table 't1' already exists
 ALTER TABLE t1 RENAME t2;

mysql-test/r/warnings.result

@@ -63,9 +63,11 @@ show count(*) warnings;
 1
 create table t1(id int);
 create table if not exists t1(id int);
+Warnings:
+Note	1050	Table 't1' already exists
 select @@warning_count;
 @@warning_count
-0
+1
 drop table t1;
 create table t1(a tinyint, b int not null, c date, d char(5));
 load data infile '../../std_data/warnings_loaddata.dat' into table t1 fields terminated by ',';

mysql-test/t/create.test

@@ -533,4 +533,16 @@ create view v1 as select 'foo' from dual;
 create table t1 like v1;
 drop view v1;
 drop database mysqltest;
+# Bug #6008 MySQL does not create warnings when
+# creating database and using IF NOT EXISTS
+#
+create database mysqltest;
+create database if not exists mysqltest character set latin2;
+show create database mysqltest;
+drop database mysqltest;
+use test;
+create table t1 (a int);
+create table if not exists t1 (a int);
+drop table t1;
+
 # End of 4.1 tests

mysql-test/t/innodb.test

@@ -1249,6 +1249,16 @@ insert into t1 values (42);
 select * from t1;
 drop table t1;
 
+#
+# Bug #13025  Server crash during filesort	
+#
+
+create table t1 (a int not null, b int not null, c blob not null, d int not null, e int, primary key (a,b,c(255),d)) engine=innodb;
+insert into t1 values (2,2,"b",2,2),(1,1,"a",1,1),(3,3,"ab",3,3);
+select * from t1 order by a,b,c,d;
+explain select * from t1 order by a,b,c,d;
+drop table t1;
+
 # End of 4.1 tests
 
 #

sql/filesort.cc

@@ -466,7 +466,7 @@ static ha_rows find_all_keys(SORTPARAM *param, SQL_SELECT *select,
 	  my_store_ptr(ref_pos,ref_length,record); // Position to row
 	  record+= sort_form->s->db_record_offset;
 	}
-	else
+	else if (!error)
 	  file->position(sort_form->record[0]);
       }
       if (error && error != HA_ERR_RECORD_DELETED)

sql/item_cmpfunc.cc

@@ -1017,8 +1017,8 @@ longlong Item_func_interval::val_int()
     1   got error
 */
 
-bool
-Item_func_between::fix_fields(THD *thd, Item **ref)
+bool Item_func_between::fix_fields(THD *thd, struct st_table_list *tables,
+                                   Item **ref)
 {
   if (Item_func_opt_neg::fix_fields(thd, ref))
     return 1;
@@ -1028,8 +1028,9 @@ Item_func_between::fix_fields(THD *thd, Item **ref)
     return 0;
 
   /* not_null_tables_cache == union(T1(e), intersection(T1(e1),T1(e2))) */
-  not_null_tables_cache= args[0]->not_null_tables() |
-    (args[1]->not_null_tables() & args[2]->not_null_tables());
+  not_null_tables_cache= (args[0]->not_null_tables() |
+                          (args[1]->not_null_tables() &
+                           args[2]->not_null_tables()));
 
   return 0;
 }
@@ -1330,8 +1331,8 @@ Item_func_if::fix_fields(THD *thd, Item **ref)
   if (Item_func::fix_fields(thd, ref))
     return 1;
 
-  not_null_tables_cache= (args[1]->not_null_tables()
-                        & args[2]->not_null_tables());
+  not_null_tables_cache= (args[1]->not_null_tables() &
+                          args[2]->not_null_tables());
 
   return 0;
 }

sql/sql_db.cc

@@ -437,7 +437,11 @@ bool mysql_create_db(THD *thd, char *db, HA_CREATE_INFO *create_info,
       error= -1;
       goto exit;
     }
-    result= 0;
+    push_warning_printf(thd, MYSQL_ERROR::WARN_LEVEL_NOTE,
+                        ER_DB_CREATE_EXISTS, ER(ER_DB_CREATE_EXISTS), db);
+    error= 0;
+    send_ok(thd);
+    goto exit;
   }
   else
   {

sql/sql_select.cc

@@ -13073,12 +13073,12 @@ static bool change_group_ref(THD *thd, Item_func *expr, ORDER *group_list,
   {
     Name_resolution_context *context= &thd->lex->current_select->context;
     Item **arg,**arg_end;
+    bool arg_changed= FALSE;
     for (arg= expr->arguments(),
          arg_end= expr->arguments()+expr->arg_count;
          arg != arg_end; arg++)
     {
       Item *item= *arg;
-      bool arg_changed= FALSE;
       if (item->type() == Item::FIELD_ITEM || item->type() == Item::REF_ITEM)
       {
         ORDER *group_tmp;
@@ -13100,11 +13100,11 @@ static bool change_group_ref(THD *thd, Item_func *expr, ORDER *group_list,
         if (change_group_ref(thd, (Item_func *) item, group_list, &arg_changed))
           return 1;
       }
-      if (arg_changed)
-      {
-        expr->maybe_null= 1;
-        *changed= TRUE;
-      }
+    }
+    if (arg_changed)
+    {
+      expr->maybe_null= 1;
+      *changed= TRUE;
     }
   }
   return 0;

sql/sql_table.cc

@@ -1562,6 +1562,9 @@ bool mysql_create_table(THD *thd,const char *db, const char *table_name,
     if (create_info->options & HA_LEX_CREATE_IF_NOT_EXISTS)
     {
       create_info->table_existed= 1;		// Mark that table existed
+      push_warning_printf(thd, MYSQL_ERROR::WARN_LEVEL_NOTE,
+                          ER_TABLE_EXISTS_ERROR, ER(ER_TABLE_EXISTS_ERROR),
+                          alias);
       DBUG_RETURN(FALSE);
     }
     my_error(ER_TABLE_EXISTS_ERROR, MYF(0), alias);
@@ -1575,12 +1578,8 @@ bool mysql_create_table(THD *thd,const char *db, const char *table_name,
     if (!access(path,F_OK))
     {
       if (create_info->options & HA_LEX_CREATE_IF_NOT_EXISTS)
-      {
-	create_info->table_existed= 1;		// Mark that table existed
-	error= FALSE;
-      }
-      else
-	my_error(ER_TABLE_EXISTS_ERROR, MYF(0), table_name);
+        goto warn;
+      my_error(ER_TABLE_EXISTS_ERROR,MYF(0),table_name);
       goto end;
     }
   }
@@ -1603,12 +1602,8 @@ bool mysql_create_table(THD *thd,const char *db, const char *table_name,
       DBUG_PRINT("info", ("Table with same name already existed in handler"));
 
       if (create_if_not_exists)
-      {
-        create_info->table_existed= 1;   // Mark that table existed
-        error= FALSE;
-      }
-      else
-       my_error(ER_TABLE_EXISTS_ERROR, MYF(0), table_name);
+        goto warn;
+      my_error(ER_TABLE_EXISTS_ERROR,MYF(0),table_name);
       goto end;
     }
   }
@@ -1641,6 +1636,14 @@ bool mysql_create_table(THD *thd,const char *db, const char *table_name,
     mysql_bin_log.write(&qinfo);
   }
   error= FALSE;
+  goto end; 
+
+warn:
+  error= 0;
+  push_warning_printf(thd, MYSQL_ERROR::WARN_LEVEL_NOTE,
+                      ER_TABLE_EXISTS_ERROR, ER(ER_TABLE_EXISTS_ERROR),
+                      alias);
+  create_info->table_existed= 1;		// Mark that table existed
 
 end:
   VOID(pthread_mutex_unlock(&LOCK_open));