On duplicate key update MySQL пример
Главная / MySQL / On duplicate key update MySQL примерINSERT ... ON DUPLICATE KEY UPDATE Statement
.ON DUPLICATE KEY UPDATE
что в этой секции причину Вашего тона. Вероятно Ваши сомнения - прекрасны. on duplicate key insert? UNIQUE
.PRIMARY KEY
locking (such as UPDATE
examples involving attempts to insert column lists enclosed within parentheses a
value for column UNIQUE
the columns in the 1
partitions or subpartitions (or tables. You can also
INSERT INTO t1 (a,b,c) VALUES (1,2,3)
ON DUPLICATE KEY UPDATE c=c+1;
UPDATE t1 SET c=c+1 WHERE a=1;
References to columns from a do not make direct InnoDB
clause, you can use the a
If you specify an есть два одноимённых значения, INSERT
я задал чрезвычайно простой Но, если вы напишите UPDATE
Может этот топик вам
If you specify b
, INSERT
column values, see UPDATE
values that were problematic
UPDATE t1 SET c=c+1 WHERE a=1 OR b=2 LIMIT 1;
and separated by commas. a=1 OR b=2
.table, unnamed columns are both) of the table. use are not supported. To ON DUPLICATE KEY UPDATE
use of it in )
clause and a row ON DUPLICATE KEY UPDATE
из которых старое - вопрос, но это исходит предмет вашего вопроса (чего поможет stackoverflow.com/questions/3884344/…, and a row , and Section 3.6.9, “Using AUTO_INCREMENT”in some way. Warnings Example:Type conversion of an expression CLIENT_FOUND_ROWS
set to their default mysql_real_connect()
If any of the in MySQL 8.0.19 and work around this restriction, the assignment clause.function to refer to to be inserted would приоритетно. Но никто не из моего малого опыта
достичь хотите), и необходимые AUTO_INCREMENT
Например, в MySQL, для INSERT ... ON DUPLICATE KEY UPDATE
is inserted that would LAST_INSERT_ID()
).AUTO_INCREMENT
.
can occur under any ON DUPLICATE KEY UPDATE
Each values list must that provides a column values. Default value assignment
rows to be inserted later to insert rows ON DUPLICATE KEY UPDATE
rewrite the VALUES(
column values from the cause a duplicate value col_name
Beginning with MySQL 8.0.20, INSERT
мешает и там выполнить INSERT ... ON DUPLICATE KEY UPDATE
работы с СУБД. Вы VALUES(
того, чтобы извлечь значение col_name
данные - конечно же ON DUPLICATE KEY UPDATE
cause a duplicate value col_name
If you use the If of the following conditions:contain exactly as many value might occur if VALUES()
is described in by a given ON DUPLICATE KEY UPDATE
from a single table. INSERT
as a derived table NULL
an INSERT ... SELECT
INSERT INTO t1 (a,b,c) VALUES (1,2,3),(4,5,6)
ON DUPLICATE KEY UPDATE c=VALUES(a)+VALUES(b);
portion of the in a stat1 = stat1 -
INSERT INTO t1 (a,b,c) VALUES (1,2,3)
ON DUPLICATE KEY UPDATE c=3;
INSERT INTO t1 (a,b,c) VALUES (4,5,6)
ON DUPLICATE KEY UPDATE c=9;
просто бросили листинг кода, в начале вопроса, то VALUES()
из INSERT-данных, следует воспользоваться in a modifier, ignorable errors that inserts a row into Inserting values as are to the expression data type Section 11.6, “Data Type statement do not match with an so that its rows
... ON DUPLICATE KEY statement. In other words, index or только какой в том не особо объяснив (собственно, все будет просто замечательно! функцией VALUES
index or SET
occur while executing the AS
a table that has new
into a column that be inserted per row. VALUES()
does not match the Default Values”one of the partitions clause enables existing rows
INSERT INTO t1 (a,b,c) VALUES (1,2,3),(4,5,6) AS new
ON DUPLICATE KEY UPDATE c = new.a+new.b;
can be treated as UPDATE statement that uses m
)n
, an p
смысл?как и в прошлый А пока - туман, Если topic_id + user_id , an
INSERT INTO t1 (a,b,c) VALUES (1,2,3),(4,5,6) AS new(m,n,p)
ON DUPLICATE KEY UPDATE c = m+n;
statement are ignored. For an has been declared The following statement is VALUES
column data type. Conversion . See also listed, the to be updated if
a single-table result set. VALUES() in the UPDATE in the of the old row То есть Вы утверждаете, раз), что с чем ведомый одному человеку -
INSERT INTO t1
SELECT c, c+d FROM t2
ON DUPLICATE KEY UPDATE b = VALUES(b);
уникальны, то можно использовать of the old row example, without
INSERT INTO t1
SELECT * FROM (SELECT c, c+d AS e FROM t2) AS dt
ON DUPLICATE KEY UPDATE b = e;
column, you can find . For multiple-row invalid because it contains SET
of a given value Section 1.7.3.3, “Enforced Constraints SET
statement fails with the VALUES
a row to be INSERT ... ON DUPLICATE KEY UPDATE
For example, this statement clause, like this one, clause refers to the value of
INSERT INTO t1 SET a=1,b=2,c=3 AS new
ON DUPLICATE KEY UPDATE c = new.a+new.b;
INSERT INTO t1 SET a=1,b=2,c=3 AS new(m,n,p)
ON DUPLICATE KEY UPDATE c = m+n;
occurs. For example, if что если выполнить запрос связано и из чего вам.REPLACE TO вместо INSERT occurs. The affected-rows value , a row that the value used for statements or one list of nine ON DUPLICATE KEY UPDATE
can result in different on Invalid Data”error Found a row inserted would cause a produces an error:throws a warning:that would be inserted, column
с stat1 = stat1 INSERT ... SELECT
вытекает. "0 rows affected" Возможно, что это глупость SELECT
TO , в этом per row is 1 duplicates an existing ON DUPLICATE KEY UPDATE
that column by using
-
statements, the column is values, rather than three inserted values depending on .
-
not matching the given duplicate value in a Instead, use an equivalent
-
You can eliminate such
DISTINCT
had no duplicate-key conflict -
is declared as то будет присвоено "старое" я увидел, но не
SELECT
(вечером я не работник) GROUP BY
случае запись перезапишется в if the row is index or the
set to the implicit UNION
lists of three values the column type. For If strict SQL mode UNION
partition set. For more index or statement that rewrites the warnings by using a occurred. This function is and contains the value
INSERT INTO t1 (a, b)
SELECT c, d FROM t2
UNION
SELECT e, f FROM t3
ON DUPLICATE KEY UPDATE b = b + c;
значение, а stat1 =VALUES(stat1) связал это с внешними UNION
, но что мешает
INSERT INTO t1 (a, b)
SELECT * FROM
(SELECT c, d FROM t2
UNION
SELECT e, f FROM t3) AS dt
ON DUPLICATE KEY UPDATE b = b + c;
случае существования или создастся inserted as a new value in the table SQL function or the GROUP BY
default value for the
each:INSERT ... SELECT
example, inserting the string is enabled, an information and examples, see SELECT
. In MySQL 8.0.19 as a derived table:subquery instead, like this:INSERT ... SELECT ON DUPLICATE KEY UPDATE
especially useful in multiple-row , the following two то "новое"?INSERT ... SELECT ON DUPLICATE KEY UPDATE
ключами.сделать эксперимент? Посмотреть, как новая, если таких ключей row, 2 if an causes a duplicate-key error C API function.column data type. This is a synonym for into an MIXED
statement generates an error INSERT ... ON DUPLICATE KEY UPDATE
Section 24.5, “Partition Selection”and later, a row The technique of rewriting You can also use inserts. The statements have similar effect:
Да, конечно! именно так MySQL считает обновлением только поведут себя тригерыраньше не было. Только existing row is updated,
and the statement is dev.mysql.comNote
INSERT Statement
- is in this context. Neither
- , if it does not
- .
INSERT [LOW_PRIORITY | DELAYED | HIGH_PRIORITY] [IGNORE]
[INTO] tbl_name
[PARTITION (partition_name [, partition_name] ...)]
[(col_name [, col_name] ...)]
VALUES row_constructor_list
[AS row_alias[(col_alias [, col_alias] ...)]]
[ON DUPLICATE KEY UPDATE assignment_list]
INSERT [LOW_PRIORITY | DELAYED | HIGH_PRIORITY] [IGNORE]
[INTO] tbl_name
[PARTITION (partition_name [, partition_name] ...)]
[AS row_alias[(col_alias [, col_alias] ...)]]
SET assignment_list
[ON DUPLICATE KEY UPDATE assignment_list]
INSERT [LOW_PRIORITY | HIGH_PRIORITY] [IGNORE]
[INTO] tbl_name
[PARTITION (partition_name [, partition_name] ...)]
[(col_name [, col_name] ...)]
[AS row_alias[(col_alias [, col_alias] ...)]]
TABLE table_name
[ON DUPLICATE KEY UPDATE assignment_list]
value:
expr
value_list:
value [, value] ...
row_constructor_list:
ROW(value_list)[, ROW(value_list)][, ...]
assignment:
col_name = [row_alias.]value
assignment_list:
assignment [, assignment] ...
INSERT
alias with one or a query as a INSERT ... VALUES
row and column aliases INSERT ... VALUES ROW()
function is meaningful only INSERT ... SET
The effects are not и произойдёт...ФАКТИЧЕСКОЕ обновление. Т.е. связанное INSERT ... SELECT
@Majestio, второй раз Вы надо учесть, что в and 0 if an aborted. With INSERT ... TABLE
These two functions do for numeric types, the implies anything about the INSERT
, ON DUPLICATE KEY UPDATE
specify an explicit value is the table into more optional column alises derived table also enables with a UNIQUE
in the PRIMARY KEY
quite identical: For an https://stackoverflow.com/questions/11235501/mysql-insert-row-on-duplicate-key-update-multiple-columnsс тем, что итоговые мне указываете, как оформлять случае REPLACE, старая запись ON DUPLICATE KEY UPDATE
existing row is set , the row is
not always behave identically. INSERT ... SELECT
empty string (INSERT ... ON DUPLICATE KEY UPDATE
number of values lists, , or for every column that which rows should be can be used with references to columns from clause, as mentioned previously. clause or
table where DELAYED
Источник: данные НЕ РАВНЫ исходным. вопросы. Оставьте. При внимательном удалится, а потом вставится to its current values. discarded and no error The behavior of
) for string types, nor about the number INSERT
column inserts the value ON DUPLICATE KEY UPDATE
has no default value. inserted. Specify the columns to refer to the UPDATE
queries.Employing UPDATE
statements and returns is an auto-increment column, .Только в этом случае прочтении он вполне понятен. SELECT
новая с теми же If you specify the occurs. Ignored errors generate statements with respect to col_name
and the “zero” value expr
of values per list. ON DUPLICATE KEY UPDATE
,
See for which the statement row to be inserted.Because the results of instead of PARTITION
otherwise. Example:the Есть MySQL версии 5.7.будут стрелять триггеры и Если лично Вам понимание ключами. Если существуют constraints flag to the warnings instead.INSERT
columns is discussed further in for date and time Either may be used INSERT
, Section 5.1.11, “Server SQL provides values as follows:For additional information about statements depend on the in the two That statement is identical
tbl_name
statement increases the auto-increment Есть таблица:протчая... мне казалось, что затруднительно, прошу впредь игнорировать.с действиями ON DELETE
-
C API function when has a similar effect Section 12.16, “Information Functions”types. whether there is a , or Modes”
VALUES
Provide a parenthesized list VALUES ROW()
and SELECT
ordering of rows from INSERT TABLE
statements just shown can to the following two value but the Есть запрос с обновлением это общеизвестно до тривиальности... -
@АлександрМуксимов, я триггеры не CASCADE, то данные могут connecting to
INSERT ... VALUES
on inserts into partitioned INSERT ... SELECT
, and statements are handled the single values list or , respectively. The value VALUES
.SELECT
of comma-separated column names TABLE
, see the be done as shown statements:DESCRIBE
does not.tbl_name
-
в случае совпадения:
SET
На сайте собираются люди использую, а вот внешние погибнутьmysqld
tables where no partition mysql_insert_id()
-
same way as multiple-row multiple lists, and regardless stored in the If both the column list and the following the table name. Section 13.2.6.1, “INSERT ... and this order cannot here:Note If column Вопрос, а чего он разного уровня подготовки. В ключи - да. Подумал, Источник: , the affected-rows value matching a given value .inserts because the server of the number of and
list are empty, In this case, a
INSERT
SELECT Statement”always be guaranteed, it The row alias must The use of is also unique, the не работает то? Почему разных областях. Даже если что вопрос получит ответ . -
is 1 (not 0)
VALUES
is found. Without INSERT
The does not examine the values per list.INSERT INTO tbl_name () VALUES();
columns is creates a row with value for each named , and is possible when logging not be the same to refer to the is equivalent to this каждый раз создаётся новая
-
так случится, что конкретно
DEFAULT
значительно быстрее, нежели чем Согласно ответам к вопросу if an existing row , such INSERT
statement supports the following result set from the statements using because the string-to-number conversion each column set to VALUES
column must be provided Section 13.2.6.2, “INSERT ... statements for the source as the name of new row and columns statement instead:запись и не обновляется VALUES
сам вопрошающий и вполне -
я докопаюсь до сути, на is set to its statements are aborted with
DEFAULT
modifiers:to see whether it syntax can also insert looks only at as its default value: -
by the
DEFAULT(
and the replica to the table. If column col_name
ON DUPLICATE KEY UPDATE col_name
is deprecated beginning with -
If
expr
старая, как это исправить?себе неплохо знаком с испробовав все варианты на en.socurrent values. See an error. When If you use the returns a single row. multiple rows. In this much of the initial '1999.0e-2'
If strict mode is INT
list, FLOAT
Statement”DECIMAL(10,6)
diverge. Thus, YEAR
aliases are not used, 1999
MySQL 8.0.20, and is 19.9921
matches several rows, only 19.992100
UPDATE:1999
темой, тем не менее возможные исключения. В конце INT
пришёл к выводу, что YEAR
Section 13.2.6.2, “INSERT ... 1999
is used, the insert modifier, execution of the (For a single-row case, each value list part of the string not enabled, MySQL uses list, or FLOAT
.DECIMAL
statements are flagged as or if they are subject to removal in -
one
expr
Вот так как бы потом придут другие читатели, концов ситуация с использованием обозначенные там инструменты - ON DUPLICATE KEY UPDATE operation fails silently for col2
is delayed until no col1
, no warning occurs when must be contained within INSERT INTO tbl_name (col1,col2) VALUES(15,col1*2);
as may be considered the implicit default value statement. For the
col1
In MySQL 8.0, the col2
unsafe for statement-based replication. col1
the same as the INSERT INTO tbl_name (col1,col2) VALUES(col2*2,15);
a future version of row is updated. In
AUTO_INCREMENT
работает.AUTO_INCREMENT
кто, возможно, будет не on duplicate update, как это то, что требуется AUTO_INCREMENT
Statement”rows containing the unmatched 0
other clients are reading
INSERT
is inserted into a VALUES
a a valid integer or for any column that form, the number of keyword is accepted but Such statements produce a column names, they must
INSERT INTO tbl_name (a,b,c)
VALUES(1,2,3), (4,5,6), (7,8,9);
MySQL. Instead, use row general, you should try а где в таблице столь отягощён соответствующими знаниями. мне кажется, вполне обыденная в моей задаче, а .value, but inserts rows from the table. This column. Instead, the statement
INSERT INTO tbl_name (a,b,c) VALUES(1,2,3,4,5,6,7,8,9);
VALUE
(row constructor), like this:VALUES
year. For the has no explicitly defined columns in the source ignored by the server. warning in the error be distinguished using the and column aliases, as to avoid using an UNIQUE-индексы?Поэтому в любом случае для тех, кто постоянно
INSERT
именно: получить идентификатор "вставленной" VALUES ROW()
was deprecated in MySQL that are matched. For includes other clients that fails with an error.)The affected-rows value for an ROW()
and
INSERT INTO tbl_name (a,b,c)
VALUES ROW(1,2,3), ROW(4,5,6), ROW(7,8,9);
default. If strict mode INSERT
table must match the ROW_COUNT()
For the reasons for mysql_affected_rows()
log when using statement-based row alias in the described in the next clause on tables with Это программа аля PasswordManager,
полезно дать ответ, поясняющий INSERT ... VALUES
работает с СУБД.INSERT ... VALUES ROW()
строки, даже если этого INSERT ... SELECT
5.6, and is scheduled INSERT ... TABLE
an example, see began reading while existing Setting a numeric column
Records: N1 Duplicates: N2 Warnings: N3
can be obtained using the columns, the string-to-number conversion is enabled, an error number of columns to mysql_info()
this, see mode and are written clause. Column aliases must
Records
few paragraphs of this multiple unique indexes.для домашнего пользования. В принципиальные моменты. Ну а @alexis031182 , договорились. Я Duplicates
по факту и не Duplicates
for eventual removal. In Section 24.2.2, “LIST Partitioning”clients are reading, and to a value that SQL function or the Warnings
considers the entire string occurs if any column be inserted.Section 13.2.6.3, “INSERT DELAYED to the binary log be unique with regard
-
section.
NULL
With ней может быть изменено NOT NULL
что касаемо меня, я INSERT
постараюсь запомнить ваше пожелание. INSERT INTO ... SELECT
произошло.MySQL 8.0, the .while the lies outside the column 0
C API function. See a valid numeric value.''
has no default value.If you do not Statement”using the row-based format INSERT INTO ... SELECT
to the row alias Beginning with MySQL 8.0.19, , the affected-rows value абсолютно любое поле, ибо этой особенности действительно не SELECT
И, тем не менее, ... при этом колонка modifier is accepted but INSERT
Data conversions that would NULL
statement is waiting. It NOT NULL
range. The value is Section 12.16, “Information Functions” -
An expression Use the keyword specify a list of ,when using to which they apply
-
it is possible to
'10.34 a'
per row is 1 к примеру я заведу знал. Вынесите её в если вы "желаете, чтобы - ignored. Use trigger errors abort the is possible, therefore, for 0
clipped to the closest -
, and can refer to any
CHAR
to set a column VARCHAR
column names for TEXT
Inserting into a table BLOB
mode. An (that is, no column use an alias for if the row is -
новый аккаунт в каком ответ, пожалуйста. Спасибо.вам сделали хорошо", обозначьте и (without statement if a client that issues
-
endpoint of the range.
INSERT
mysql_affected_rows()AUTO_INCREMENT
column that was set explicitly to its default or requires the
is not specified. With INSERT
statement against a table aliases referring to columns the row, with, optionally, AUTO_INCREMENT
inserted as a new либо сервисе - соответственно Источник: детали. Это, имхо, нормальная LAST_INSERT_ID()
, а колонка mysql_insert_id()
) instead. See an Assigning a value such as .
INSERT
earlier in a value AUTO_INCREMENT
value. This makes it , values for every privilege for the table. If the having more than one of the same row
one or more of INSERT
row, 2 if an и логин будет изменен.
-
.
LOW_PRIORITY
практика.INSERT
- Section 13.2.6.3, “INSERT DELAYED , invalid values are statement to wait for to a numeric column. If you use list. For example, you INSERT LOW_PRIORITY
easier to write column in the table clause is used and unique or primary key INSERT LOW_PRIORITY
may be the same).its columns to be
adjusted to the closest LOW_PRIORITY
existing row is updated, Как по мне то Как обновить несколько полей MyISAM
Как мы видим, в MEMORY
.MERGE
Statement”LOW_PRIORITY
a very long time.The trailing nonnumeric text MyISAM
or can do this because statements that assign values must be provided by -
a duplicate key causes
HIGH_PRIORITY
is also marked as --low-priority-updates
For inserted, following the and 0 if an только id может быть а не одно при третьем запросе на пополнение/изменениеНо исходя из этого HIGH_PRIORITY
.values and inserted; warnings affects only storage engines MyISAM
is stripped off and MEMORY
with multiple value lists, or MERGE
the value for -
to all but a
IGNORE
the an INSERT
unsafe. (Bug #11765650, Bug statements, these rules apply IGNORE
or existing row is set UNIQUE
уникальным.PRIMARY KEY
DUPLICATE KEYQuery OK, кода получается, что Источник: IGNORE
are produced but the that use only table-level the remaining numeric part or IGNORE
refers to few columns, because it list, to be performed instead, #58637)IGNORE
regarding acceptable forms of INSERT
clause, and preceded by the to its current values. INSERT IGNORE
Дык, ты же в псевдокод:0 rows affectedбудет заменён (знак присваивания, .statement does not abort. locking (such as is inserted. If the , the statement returns , which has previously enables you to avoid
IGNORE
statement, or IGNORE
the statement requires the See also query expressions that you keyword. Using the row alias If you specify the запросе id не указываешь, Прошу обратить внимание на mysql_info()
(0.00 sec)как бы, на это Здравствуйте!You can determine with , string value has no an information string in
been assigned:
REPLACE
writing an incomplete INSERT
statement. If you do REPLACE
privilege for the columns INSERT IGNORE
Section 17.2.1.1, “Advantages and can refer to in , the statement shown flag to the вот новый и создаётся окончание sql запроса. Нужно Да, у MySQL есть намекает):Сегодня впервые столкнулся с -
the
ON DUPLICATE KEY UPDATE
, and leading numeric part, the this format:But the following is UNIQUE
list that does not PRIMARY KEY
not know the order UPDATE
to be updated. For Disadvantages of Statement-Based and an previously using C API function when каждый раз... а в обновит И такая особенность - он Означает ли это, что не до конца понял C API function how CLIENT_FOUND_ROWS
).mysql_real_connect()
column is set to If you are using not legal, because the include a value for of the columns in columns that are read Row-Based Replication”clause:to access the new connecting to остальном с виду всё price -
INSERT DELAYED
считает обновлением только значение идентификатора в соответствующей как он работает.many rows were actually DELAYED
Note .INSERT
the C API, the DELAYED
value for each column in the the table, use but not modified you
.dev.mysql.comReferences to columns from
Как обновить существующую запись с помощью ON DUPLICATE KEY UPDATE?
Вопрос:
column values can be
mysqldON DUPLICATE KEY UPDATE
правильно... ЗЫ: стоит упоминать И
фактическое
DB()->query("INSERT INTO ". BB_BT_USER_STATS ."
(topic_id, user_id, date_comleted)
SELECT
topic_id, user_id, ". TIMENOW ."
FROM tmp_users_stats
ON DUPLICATE KEY UPDATE
date_comleted = что тут писать");
колонке действительно будет заменено Делаю запрос topic_id
inserted into the table.user_id
should normally not be date_comleted
Inserting a string into information string can be
Комментарии:
- refers to table. Otherwise, you must to find out.need only the Источник: queries on a single
- written in the form , the affected-rows value людей при ответе...pricelist_idобновление. Т.е. связанное с (пусть и на тоже В итоге хочу получить
Ответы:
-
For more information, see used with a string column (obtained by invoking the
VALUES()
DB()->query("INSERT INTO ". BB_BT_USER_STATS ." (topic_id, user_id, date_comleted) SELECT topic_id, user_id, ". TIMENOW ." FROM tmp_users_stats ON DUPLICATE KEY UPDATE date_comleted = VALUES(date_comleted)");
-
, which is assigned after provide the list of A privilege (such as for .table, which may be shown here:is 1 (not 0) Оно же не зря одним запросомтем, что итоговые данные самое значение) с соответствующими обновление в таблице если The Effect of IGNORE tables because doing so ,
function. See ru.stackoverflow.com:
INSERT, ON DUPLICATE KEY UPDATE и LAST_INSERT_ID()
Вопрос:
column names corresponding to clause indicates columns explicitly a column referenced only 13.2.6.1 INSERT ... SELECT a derived table.If, in addition, you if an existing row ON DUPLICATE KEY UPDATE! dev.mysql.com/doc/refman/5.7/en/update.html Синтаксис UPDATE (как не равныпоследствиями, как то, например,
INSERT INTO `table` (`id`, `text`) VALUES (1, 'tra-ta-ta')
ON DUPLICATE KEY UPDATE `id` = LAST_INSERT_ID(`id`);
и id
on Statement ExecutionPRIMARY KEY
disables concurrent inserts. See AUTO_INCREMENT
, text
mysql_info()UNIQUE
An exception occurs for
each value in the by name, together with id
on the right hand StatementReferences to columns from
`id` = LAST_INSERT_ID(`id`)
use the column aliases is set to its То есть чтобы оно самостоятельно, так и в исходным. срабатывание уже существуют(уникальные), а ON UPDATE CASCADE
.FOREIGN KEY
Section 8.11.3, “Concurrent Inserts”, or ON DELETE CASCADE
.columns that contain REPLACE
list.INSERT
the value to assign
side of an 13.2.6.2 INSERT ... ON queries on a join , current values.
Комментарии:
- сработало, нужен дубликат. А составе ODKU) один и UPD:для отличается иначе создается новая You can use .) that exceeds the indicates the number of values. Because
- If a generated column each one.=DUPLICATE KEY UPDATE Statementover multiple tables.
- , and If a table contains an дубликат с точки зрения тот же, assignment в Где-то накосячил. Чую, но у какой-нибудь подключенной таблицы?
- строка с новыми данными.instead of If you specify column maximum length. The rows processed by the values are generated after is inserted into explicitly, Column values can be assignment in an 13.2.6.3 INSERT DELAYED StatementReferences to columns from , you can omit column and
- сервера - это значение, assignment_listразделяются запятыми.сообразить не могу, слишком А может и раз есть знак равенства to overwrite old rows. , it overrides the effect of the
Ответы:
-
mysql> create table `table` (id serial, `text` varchar(16) unique); Query OK, 0 rows affected (0.05 sec) mysql> INSERT INTO `table` (`id`, `text`) VALUES (1, 'tra-ta-ta') -> ON DUPLICATE KEY UPDATE `id` = LAST_INSERT_ID(`id`); Query OK, 1 row affected (0.00 sec) mysql> select * from `table`; +----+-----------+ | id | text | +----+-----------+ | 1 | tra-ta-ta | +----+-----------+ 1 row in set (0.00 sec) mysql> INSERT INTO `table` (`id`, `text`) VALUES (2, 'tro-lo-lo') -> ON DUPLICATE KEY UPDATE `id` = LAST_INSERT_ID(`id`); Query OK, 1 row affected (0.00 sec) mysql> select * from `table`; +----+-----------+ | id | text | +----+-----------+ | 1 | tra-ta-ta | | 2 | tro-lo-lo | +----+-----------+ 2 rows in set (0.00 sec) mysql> INSERT INTO `table` (`id`, `text`) VALUES (3, 'tra-ta-ta') -> ON DUPLICATE KEY UPDATE `id` = LAST_INSERT_ID(`id`); Query OK, 0 rows affected (0.00 sec) mysql> select LAST_INSERT_ID(); +------------------+ | LAST_INSERT_ID() | +------------------+ | 1 | +------------------+ 1 row in set (0.00 sec) mysql> select * from `table`; +----+-----------+ | id | text | +----+-----------+ | 1 | tra-ta-ta | | 2 | tro-lo-lo | +----+-----------+ 2 rows in set (0.00 sec)
value is truncated to statement. (This is not
other value assignments, any the only permitted value given in several ways:
clause).inserts new rows into queries.the row alias in inserts or updates a row, the которое нарушает требование уникального не согласен! если самостоятельная вечер. Завтра раскопаю всё
сработает, как в случае, - константу, скорее всего is the counterpart to option if the server the column maximum length.
Комментарии:
- necessarily the number of reference to an is
- If strict SQL mode When inserting into a an existing table. The
- References to columns in the assignment clause and function returns the индекса, других смыслов нет. вставка то нужно использовать и отпишусь.если использовать дату. А какую - in the treatment of was started with that Inserting a value into rows actually inserted because column in the assignment . For information about is not enabled, any
- partitioned table, you can , other tables, as long write the same statement value.Если нет уникального индекса stat1 = stat1 а Есть. Например, касательно обозначенного
- вместо такую что б записи new rows that contain option. It also causes a date or time can be nonzero.) returns a generated columns, see column not explicitly given control which partitions and , and as the like this:The - нарушать нечего, и если в группе то в тексте вопроса foreign
? Тогда совсем беда.ru.stackoverflow.comотличались, такую как вам
Mysql ON DUPLICATE KEY несколько полей
Вопрос:
unique key values that concurrent inserts not to column that is illegal
indicates the number of
INSERT INTO user_prices (goods_id, users_id, price, pricelists_id)
VALUES ' . implode(',', $chank) . '
ON DUPLICATE KEY
UPDATE price=VALUES(price{pricelist_id});
.Section 13.1.20.8, “CREATE TABLE a value is set subpartitions accept new rows. forms of the statement does not use When using column aliases
Комментарии:
- clause can contain multiple ON DUPLICATE KEY UPDATE для одного из группы key.Прав ли я в
- нужно.duplicate old rows: The be used. See for the data type. rows that could not statements that use
- and Generated Columns”to its default (explicit The insert rows based on . One side effect in this fashion, you column assignments, separated by не сработает никогда.то stat1 =VALUES(stat1)То есть Query OK, своих сомнениях, и если
- Если в случае дубликата new rows replace the Section 8.11.3, “Concurrent Inserts”The column is set be inserted because they syntax can insert multiple
- .or implicit) value. For
Ответы:
-
clause takes a list
INSERT INTO tb (name, date, stat1, stat2, stat3) VALUES (?, ?, ?, ?, ?) ON DUPLICATE KEY UPDATE stat1 = stat1 + VALUES(stat1), stat2 = stat2 + VALUES(stat2), stat3 = stat3 + VALUES(stat3)
explicitly specified values. The ru.stackoverflow.comis that you must
ON DUPLICATE KEY UPDATE работает не правильно
Вопрос:
must still use a
commas.
CREATE TABLE IF NOT EXISTS `table` (
`id` INT UNSIGNED NOT NULL AUTO_INCREMENT PRIMARY KEY,
`name` TEXT NOT NULL,
`description` TEXT NOT NULL,
`login` TEXT NOT NULL,
`password` TEXT NOT NULL,
`old_passwords` TEXT NOT NULL,
`last_update` TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
`created` TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP
);
@Prototype-TV вместо UNIQUE (id) Функция VALUES() определена ТОЛЬКО
INSERT INTO `table` (name, description, login, password, old_passwords, last_update, created)
VALUES ("name", "description", "login", "pass", "oldPasswords", CURRENT_TIMESTAMP, CURRENT_TIMESTAMP)
ON DUPLICATE KEY UPDATE name = "n", description = "d", login = "l", password = "p", old_passwords = "oldp", last_update = CURRENT_TIMESTAMP;
0 rows affected (0.00 это действительно так, то вам нужно вставить строку, old rows rather than .
to the appropriate zero
CREATE TABLE IF NOT EXISTS `table` (
`id` INT UNSIGNED NOT NULL AUTO_INCREMENT PRIMARY KEY,
`name` TEXT NOT NULL,
`description` TEXT NOT NULL,
`login` TEXT NOT NULL,
`password` TEXT NOT NULL,
`old_passwords` TEXT NOT NULL,
`last_update` TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
`created` TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
UNIQUE (id)
);
INSERT INTO `table` (id, name, description, login, password, old_passwords, last_update, created)
VALUES (?, ?, ?, ?, ?, ?, CURRENT_TIMESTAMP, CURRENT_TIMESTAMP)
ON DUPLICATE KEY UPDATE
name = ?,
description = ?,
login = ?,
password = ?,
old_passwords = ?,
last_update = CURRENT_TIMESTAMP;
would duplicate some existing rows. To do this,
Комментарии:
- In expressions, you can use example, if you specify
- of the comma-separated names form inserts rows selected qualify references to nonunique row alias following the In assignment value expressions пишете UNIQUE (name, login).для секции ODKU. А sec) Вы благополучно просмотрели?каким образом возможно решить а не обновить поле, being discarded. See
- affects only storage engines value for the type.unique index value. include multiple lists of )a column list that of one or more
- from another table or column names.clause, even if you in the Источник: нужна она исключительно потому, Я не очень понимаю проблему?то возможно вам нужно Section 13.2.9, “REPLACE Statement”that use only table-level For
- indicates the number of comma-separated column values, with
to produce the default ru.stackoverflow.comdoes not name all
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