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INSERT ... ON DUPLICATE KEY UPDATE ...

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unknown 2002-12-02 20:38:00 +01:00
parent 0859f671bd
commit 0029b4e794
7 changed files with 130 additions and 25 deletions
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44
mysql-test/r/insert_update.result Normal file
View File

@ -0,0 +1,44 @@
DROP TABLE IF EXISTS t1;
CREATE TABLE t1 (a INT, b INT, c INT, UNIQUE (A), UNIQUE(B));
INSERT t1 VALUES (1,2,10), (3,4,20);
INSERT t1 VALUES (5,6,30) ON DUPLICATE KEY UPDATE SET c=c+100;
SELECT * FROM t1;
a b c
1 2 10
3 4 20
5 6 30
INSERT t1 VALUES (5,7,40) ON DUPLICATE KEY UPDATE SET c=c+100;
SELECT * FROM t1;
a b c
1 2 10
3 4 20
5 6 130
INSERT t1 VALUES (8,4,50) ON DUPLICATE KEY UPDATE SET c=c+1000;
SELECT * FROM t1;
a b c
1 2 10
3 4 1020
5 6 130
INSERT t1 VALUES (1,4,60) ON DUPLICATE KEY UPDATE SET c=c+10000;
SELECT * FROM t1;
a b c
1 2 10010
3 4 1020
5 6 130
INSERT t1 VALUES (1,9,70) ON DUPLICATE KEY UPDATE SET c=c+100000, b=4;
Duplicate entry '4' for key 2
SELECT * FROM t1;
a b c
1 2 10010
3 4 1020
5 6 130
TRUNCATE TABLE t1;
INSERT t1 VALUES (1,2,10), (3,4,20);
INSERT t1 VALUES (5,6,30), (7,4,40), (8,9,60) ON DUPLICATE KEY UPDATE SET c=c+100;
SELECT * FROM t1;
a b c
1 2 10
3 4 120
5 6 30
8 9 60
DROP TABLE t1;

19
mysql-test/t/insert_update.test Normal file
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@ -0,0 +1,19 @@
DROP TABLE IF EXISTS t1;
CREATE TABLE t1 (a INT, b INT, c INT, UNIQUE (A), UNIQUE(B));
INSERT t1 VALUES (1,2,10), (3,4,20);
INSERT t1 VALUES (5,6,30) ON DUPLICATE KEY UPDATE SET c=c+100;
SELECT * FROM t1;
INSERT t1 VALUES (5,7,40) ON DUPLICATE KEY UPDATE SET c=c+100;
SELECT * FROM t1;
INSERT t1 VALUES (8,4,50) ON DUPLICATE KEY UPDATE SET c=c+1000;
SELECT * FROM t1;
INSERT t1 VALUES (1,4,60) ON DUPLICATE KEY UPDATE SET c=c+10000;
SELECT * FROM t1;
-- error 1062
INSERT t1 VALUES (1,9,70) ON DUPLICATE KEY UPDATE SET c=c+100000, b=4;
SELECT * FROM t1;
TRUNCATE TABLE t1;
INSERT t1 VALUES (1,2,10), (3,4,20);
INSERT t1 VALUES (5,6,30), (7,4,40), (8,9,60) ON DUPLICATE KEY UPDATE SET c=c+100;
SELECT * FROM t1;
DROP TABLE t1;

7
sql/mysql_priv.h
View File

@ -429,7 +429,7 @@ int mysql_alter_table(THD *thd, char *new_db, char *new_name,
bool drop_primary,
enum enum_duplicates handle_duplicates,
enum enum_enable_or_disable keys_onoff=LEAVE_AS_IS,
bool simple_alter=0);
bool simple_alter=0);
bool mysql_rename_table(enum db_type base,
const char *old_db,
const char * old_name,
@ -440,11 +440,12 @@ int mysql_create_index(THD *thd, TABLE_LIST *table_list, List<Key> &keys);
int mysql_drop_index(THD *thd, TABLE_LIST *table_list,
List<Alter_drop> &drop_list);
int mysql_update(THD *thd,TABLE_LIST *tables,List<Item> &fields,
List<Item> &values,COND *conds,
List<Item> &values,COND *conds,
ORDER *order, ha_rows limit,
enum enum_duplicates handle_duplicates);
int mysql_insert(THD *thd,TABLE_LIST *table,List<Item> &fields,
List<List_item> &values, enum_duplicates flag);
List<List_item> &values, List<Item> &update_fields,
List<Item> &update_values, enum_duplicates flag);
void kill_delayed_threads(void);
int mysql_delete(THD *thd, TABLE_LIST *table, COND *conds, ORDER *order,
ha_rows rows, ulong options);

7
sql/sql_class.h
View File

@ -29,12 +29,12 @@ class Slave_log_event;
enum enum_enable_or_disable { LEAVE_AS_IS, ENABLE, DISABLE };
enum enum_ha_read_modes { RFIRST, RNEXT, RPREV, RLAST, RKEY };
enum enum_duplicates { DUP_ERROR, DUP_REPLACE, DUP_IGNORE };
enum enum_duplicates { DUP_ERROR, DUP_REPLACE, DUP_IGNORE, DUP_UPDATE };
enum enum_log_type { LOG_CLOSED, LOG_NORMAL, LOG_NEW, LOG_BIN };
enum enum_delay_key_write { DELAY_KEY_WRITE_NONE, DELAY_KEY_WRITE_ON,
DELAY_KEY_WRITE_ALL };
// log info errors
// log info errors
#define LOG_INFO_EOF -1
#define LOG_INFO_IO -2
#define LOG_INFO_INVALID -3
@ -188,6 +188,9 @@ typedef struct st_copy_info {
ha_rows error_count;
enum enum_duplicates handle_duplicates;
int escape_char, last_errno;
/* for INSERT ... UPDATE */
List<Item> *update_fields;
List<Item> *update_values;
} COPY_INFO;

62
sql/sql_insert.cc
View File

@ -97,8 +97,12 @@ check_insert_fields(THD *thd,TABLE *table,List<Item> &fields,
}
int mysql_insert(THD *thd,TABLE_LIST *table_list, List<Item> &fields,
List<List_item> &values_list,enum_duplicates duplic)
int mysql_insert(THD *thd,TABLE_LIST *table_list,
List<Item> &fields,
List<List_item> &values_list,
List<Item> &update_fields,
List<Item> &update_values,
enum_duplicates duplic)
{
int error;
bool log_on= ((thd->options & OPTION_UPDATE_LOG) ||
@ -126,7 +130,8 @@ int mysql_insert(THD *thd,TABLE_LIST *table_list, List<Item> &fields,
if ((lock_type == TL_WRITE_DELAYED &&
((specialflag & (SPECIAL_NO_NEW_FUNC | SPECIAL_SAFE_MODE)) ||
thd->slave_thread)) ||
(lock_type == TL_WRITE_CONCURRENT_INSERT && duplic == DUP_REPLACE))
(lock_type == TL_WRITE_CONCURRENT_INSERT && duplic == DUP_REPLACE) ||
(duplic == DUP_UPDATE))
lock_type=TL_WRITE;
table_list->lock_type= lock_type;
@ -166,7 +171,10 @@ int mysql_insert(THD *thd,TABLE_LIST *table_list, List<Item> &fields,
values= its++;
if (check_insert_fields(thd,table,fields,*values,1) ||
setup_tables(insert_table_list) ||
setup_fields(thd, insert_table_list, *values, 0, 0, 0))
setup_fields(thd, insert_table_list, *values, 0, 0, 0) ||
(duplic == DUP_UPDATE &&
(setup_fields(thd, insert_table_list, update_fields, 0, 0, 0) ||
setup_fields(thd, insert_table_list, update_values, 0, 0, 0))))
{
table->time_stamp= save_time_stamp;
goto abort;
@ -196,6 +204,8 @@ int mysql_insert(THD *thd,TABLE_LIST *table_list, List<Item> &fields,
info.records=info.deleted=info.copied=0;
info.handle_duplicates=duplic;
info.update_fields=&update_fields;
info.update_values=&update_values;
// Don't count warnings for simple inserts
if (values_list.elements > 1 || (thd->options & OPTION_WARNINGS))
thd->count_cuted_fields = 1;
@ -205,7 +215,7 @@ int mysql_insert(THD *thd,TABLE_LIST *table_list, List<Item> &fields,
error=0;
id=0;
thd->proc_info="update";
if (duplic == DUP_IGNORE || duplic == DUP_REPLACE)
if (duplic != DUP_ERROR)
table->file->extra(HA_EXTRA_IGNORE_DUP_KEY);
if ((bulk_insert= (values_list.elements >= MIN_ROWS_TO_USE_BULK_INSERT &&
lock_type != TL_WRITE_DELAYED &&
@ -350,7 +360,7 @@ int mysql_insert(THD *thd,TABLE_LIST *table_list, List<Item> &fields,
table->next_number_field=0;
thd->count_cuted_fields=0;
thd->next_insert_id=0; // Reset this if wrongly used
if (duplic == DUP_IGNORE || duplic == DUP_REPLACE)
if (duplic != DUP_ERROR)
table->file->extra(HA_EXTRA_NO_IGNORE_DUP_KEY);
if (error)
goto abort;
@ -402,7 +412,8 @@ int write_record(TABLE *table,COPY_INFO *info)
char *key=0;
info->records++;
if (info->handle_duplicates == DUP_REPLACE)
if (info->handle_duplicates == DUP_REPLACE ||
info->handle_duplicates == DUP_UPDATE)
{
while ((error=table->file->write_row(table->record[0])))
{
@ -419,7 +430,9 @@ int write_record(TABLE *table,COPY_INFO *info)
was used. This ensures that we don't get a problem when the
whole range of the key has been used.
*/
if (table->next_number_field && key_nr == table->next_number_index &&
if (info->handle_duplicates == DUP_REPLACE &&
table->next_number_field &&
key_nr == table->next_number_index &&
table->file->auto_increment_column_changed)
goto err;
if (table->file->table_flags() & HA_DUPP_POS)
@ -451,16 +464,33 @@ int write_record(TABLE *table,COPY_INFO *info)
HA_READ_KEY_EXACT))))
goto err;
}
if (last_uniq_key(table,key_nr))
if (info->handle_duplicates == DUP_UPDATE)
{
if ((error=table->file->update_row(table->record[1],table->record[0])))
goto err;
info->deleted++;
break; /* Update logfile and count */
/* we don't check for other UNIQUE keys - the first row
that matches, is updated. If update causes a conflict again,
an error is returned
*/
restore_record(table,1);
if (fill_record(*info->update_fields,*info->update_values))
goto err;
if ((error=table->file->update_row(table->record[1],table->record[0])))
goto err;
info->deleted++;
break;
}
else /* DUP_REPLACE */
{
if (last_uniq_key(table,key_nr))
{
if ((error=table->file->update_row(table->record[1],table->record[0])))
goto err;
info->deleted++;
break; /* Update logfile and count */
}
else if ((error=table->file->delete_row(table->record[1])))
goto err;
info->deleted++;
}
else if ((error=table->file->delete_row(table->record[1])))
goto err;
info->deleted++;
}
info->copied++;
}

11
sql/sql_parse.cc
View File

@ -1969,14 +1969,21 @@ mysql_execute_command(THD *thd)
case SQLCOM_REPLACE:
case SQLCOM_INSERT:
{
my_bool update=(lex->value_list.elements ? UPDATE_ACL : 0);
ulong privilege= (lex->duplicates == DUP_REPLACE ?
INSERT_ACL | DELETE_ACL : INSERT_ACL);
INSERT_ACL | DELETE_ACL : INSERT_ACL | update);
if (check_access(thd,privilege,tables->db,&tables->grant.privilege))
goto error; /* purecov: inspected */
if (grant_option && check_grant(thd,privilege,tables))
goto error;
if (select_lex->item_list.elements != lex->value_list.elements)
{
send_error(thd,ER_WRONG_VALUE_COUNT);
DBUG_VOID_RETURN;
}
res = mysql_insert(thd,tables,lex->field_list,lex->many_values,
lex->duplicates);
select_lex->item_list, lex->value_list,
(update ? DUP_UPDATE : lex->duplicates));
break;
}
case SQLCOM_REPLACE_SELECT:

5
sql/sql_yacc.yy
View File

@ -1459,7 +1459,7 @@ alter_list_item:
lex->simple_alter=0;
}
| RENAME opt_to table_ident
{
{
LEX *lex=Lex;
lex->select_lex.db=$3->db.str;
lex->name= $3->table.str;
@ -3045,7 +3045,7 @@ expr_or_default:
opt_insert_update:
/* empty */
| ON DUPLICATE KEY_SYM UPDATE_SYM SET update_list
| ON DUPLICATE
{ /* for simplisity, let's forget about
INSERT ... SELECT ... UPDATE
for a moment */
@ -3055,6 +3055,7 @@ opt_insert_update:
YYABORT;
}
}
KEY_SYM UPDATE_SYM SET update_list
;
/* Update rows in a table */