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fix for the 2361 bug: ALTER TABLE ... DROP PRIMARY KEY drops a non-primary key

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"PRIMARY" has been replaced by primary_key_name.
This commit is contained in:
ram@gw.mysql.r18.ru 2004-01-14 16:01:55 +04:00
parent 4b91183cde
commit 7b652e9a29
6 changed files with 14 additions and 13 deletions
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1
sql/mysql_priv.h
View File

@ -38,6 +38,7 @@ typedef ulong key_part_map; /* Used for finding key parts */
/* useful constants */
extern const key_map key_map_empty;
extern const key_map key_map_full;
extern const char *primary_key_name;
#include "mysql_com.h"
#include <violite.h>

4
sql/sql_help.cc
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@ -274,9 +274,9 @@ int get_topics_for_keyword(THD *thd, TABLE *topics, TABLE *relations,
DBUG_ENTER("get_topics_for_keyword");
if ((iindex_topic= find_type((char*) "PRIMARY",
if ((iindex_topic= find_type((char*) primary_key_name,
&topics->keynames, 1+2)-1)<0 ||
(iindex_relations= find_type((char*) "PRIMARY",
(iindex_relations= find_type((char*) primary_key_name,
&relations->keynames, 1+2)-1)<0)
{
send_error(thd,ER_CORRUPT_HELP_DB);

8
sql/sql_select.cc
View File

@ -9130,16 +9130,16 @@ int mysql_explain_union(THD *thd, SELECT_LEX_UNIT *unit, select_result *result)
{
res= mysql_explain_select(thd, sl,
(((&thd->lex->select_lex)==sl)?
((thd->lex->all_selects_list != sl)?"PRIMARY":
"SIMPLE"):
((thd->lex->all_selects_list != sl) ?
primary_key_name : "SIMPLE"):
((sl == first)?
((sl->linkage == DERIVED_TABLE_TYPE) ?
"DERIVED":
((sl->uncacheable & UNCACHEABLE_DEPENDENT)?
((sl->uncacheable & UNCACHEABLE_DEPENDENT) ?
"DEPENDENT SUBQUERY":
(sl->uncacheable?"UNCACHEABLE SUBQUERY":
"SUBQUERY"))):
((sl->uncacheable & UNCACHEABLE_DEPENDENT)?
((sl->uncacheable & UNCACHEABLE_DEPENDENT) ?
"DEPENDENT UNION":
sl->uncacheable?"UNCACHEABLE UNION":
"UNION"))),

2
sql/sql_show.cc
View File

@ -1167,7 +1167,7 @@ store_create_info(THD *thd, TABLE *table, String *packet)
bool found_primary=0;
packet->append(",\n ", 4);
if (i == primary_key && !strcmp(key_info->name,"PRIMARY"))
if (i == primary_key && !strcmp(key_info->name, primary_key_name))
{
found_primary=1;
packet->append("PRIMARY ", 8);

8
sql/sql_table.cc
View File

@ -29,7 +29,7 @@
#include <io.h>
#endif
static const char *primary_key_name="PRIMARY";
const char *primary_key_name= "PRIMARY";
static bool check_if_keyname_exists(const char *name,KEY *start, KEY *end);
static char *make_unique_key_name(const char *field_name,KEY *start,KEY *end);
@ -2244,8 +2244,8 @@ int mysql_alter_table(THD *thd,char *new_db, char *new_name,
{
char *key_name= key_info->name;
if (drop_primary && !my_strcasecmp(system_charset_info, key_name,
"PRIMARY"))
if (drop_primary && (key_info-> flags & HA_NOSAME) &&
!my_strcasecmp(system_charset_info, key_name, primary_key_name))
{
drop_primary= 0;
continue;
@ -2305,7 +2305,7 @@ int mysql_alter_table(THD *thd,char *new_db, char *new_name,
key_list.push_back(new Key(key_info->flags & HA_SPATIAL ? Key::SPATIAL :
(key_info->flags & HA_NOSAME ?
(!my_strcasecmp(system_charset_info,
key_name, "PRIMARY") ?
key_name, primary_key_name) ?
Key::PRIMARY : Key::UNIQUE) :
(key_info->flags & HA_FULLTEXT ?
Key::FULLTEXT : Key::MULTIPLE)),

4
sql/table.cc
View File

@ -481,8 +481,8 @@ int openfrm(const char *name, const char *alias, uint db_stat, uint prgflag,
/* Fix key->name and key_part->field */
if (key_parts)
{
uint primary_key=(uint) (find_type((char*) "PRIMARY",&outparam->keynames,
3)-1);
uint primary_key=(uint) (find_type((char*) primary_key_name,
&outparam->keynames, 3) - 1);
uint ha_option=outparam->file->table_flags();
keyinfo=outparam->key_info;
key_part=keyinfo->key_part;