database/mariadb
1
0
Fork 0
mirror of https://github.com/MariaDB/server.git synced 2025-07-30 16:24:05 +03:00
Code Activity

Fix for bug #2628 "ALTER TABLE destroys table and reports success"

Browse Source
This commit is contained in:
konstantin@mysql.com
2004-02-06 14:28:57 +03:00
parent 62f193bfdd
commit 2093624a73
4 changed files with 38 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files

18
sql/sql_table.cc
View File

@ -1151,7 +1151,7 @@ int mysql_alter_table(THD *thd,char *new_db, char *new_name,
thd->proc_info="init";
table_name=table_list->real_name;
db=table_list->db;
if (!new_db)
if (!new_db || !strcmp(new_db, db))
new_db=db;
if (!(table=open_ltable(thd,table_list,TL_WRITE_ALLOW_READ)))
@ -1161,14 +1161,20 @@ int mysql_alter_table(THD *thd,char *new_db, char *new_name,
if (new_name)
{
strmov(new_name_buff,new_name);
fn_same(new_name_buff,table_name,3);
if (lower_case_table_names)
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_name=table_name; // No. Make later check easier
{
/*
Source and destination table names are equal: make later check
easier.
*/
new_name= table_name;
}
else
{
if (table->tmp_table)