INSERT .. ON DUPLICATE KEY UPDATE .. EXCLUDED
适用于 ✅ 开源版 ✅ 专业版 ✅ 企业版
从 MySQL 8 开始,支持别名 INSERT .. VALUES 子句,以便从 ON DUPLICATE KEY UPDATE 子句中引用其列
INSERT INTO AUTHOR (ID, LAST_NAME) VALUES (3, 'Koontz'), (4, 'Shakespeare') AS t -- Declare source data alias ON DUPLICATE KEY UPDATE SET last_name = t.last_name -- Reference source data alias
jOOQ 在 DSL API 中没有显式支持此语法,但是可以像在 MySQL 中一样模拟 INSERT .. ON CONFLICT .. EXCLUDED 中特定于 PostgreSQL 的等效项,因此您可以只使用 DSL.excluded() 伪表
// Add a new author called "Koontz" with ID 3.
// If that ID is already present, update the author's name
create.insertInto(AUTHOR, AUTHOR.ID, AUTHOR.LAST_NAME)
.values(3, "Koontz")
.values(4, "Shakespeare")
.onDuplicateKeyUpdate()
.set(AUTHOR.LAST_NAME, excluded(AUTHOR.LAST_NAME))
.execute();
方言支持
此示例使用 jOOQ
insertInto(AUTHOR, AUTHOR.ID, AUTHOR.LAST_NAME).values(3, "X").onDuplicateKeyUpdate().set(AUTHOR.LAST_NAME, excluded(AUTHOR.LAST_NAME))
翻译成以下特定方言的表达式
Aurora MySQL, MariaDB, MemSQL
INSERT INTO AUTHOR (ID, LAST_NAME) VALUES ( 3, 'X' ) ON DUPLICATE KEY UPDATE AUTHOR.LAST_NAME = VALUES(LAST_NAME)
Aurora Postgres, CockroachDB, DuckDB, Postgres, YugabyteDB
INSERT INTO AUTHOR (ID, LAST_NAME) VALUES ( 3, 'X' ) ON CONFLICT (ID) DO UPDATE SET LAST_NAME = excluded.LAST_NAME
DB2
MERGE INTO AUTHOR USING ( SELECT 3, 'X' FROM SYSIBM.DUAL ) t (ID, LAST_NAME) ON AUTHOR.ID = t.ID WHEN MATCHED THEN UPDATE SET AUTHOR.LAST_NAME = t.LAST_NAME WHEN NOT MATCHED THEN INSERT (ID, LAST_NAME) VALUES ( t.ID, t.LAST_NAME )
Derby
MERGE INTO AUTHOR USING SYSIBM.SYSDUMMY1 ON AUTHOR.ID = 3 WHEN MATCHED THEN UPDATE SET AUTHOR.LAST_NAME = 'X' WHEN NOT MATCHED THEN INSERT (ID, LAST_NAME) VALUES ( 3, 'X' )
Exasol
MERGE INTO AUTHOR USING ( SELECT 3, 'X' ) t (ID, LAST_NAME) ON AUTHOR.ID = t.ID WHEN MATCHED THEN UPDATE SET AUTHOR.LAST_NAME = t.LAST_NAME WHEN NOT MATCHED THEN INSERT (ID, LAST_NAME) VALUES ( t.ID, t.LAST_NAME )
Firebird
MERGE INTO AUTHOR USING ( SELECT 3, 'X' FROM RDB$DATABASE ) t (ID, LAST_NAME) ON AUTHOR.ID = t.ID WHEN MATCHED THEN UPDATE SET AUTHOR.LAST_NAME = t.LAST_NAME WHEN NOT MATCHED THEN INSERT (ID, LAST_NAME) VALUES ( t.ID, t.LAST_NAME )
H2
MERGE INTO AUTHOR
USING (
SELECT
3 ID,
'X' LAST_NAME
) t
ON AUTHOR.ID = t.ID
WHEN MATCHED THEN UPDATE SET
AUTHOR.LAST_NAME = t.LAST_NAME
WHEN NOT MATCHED THEN INSERT (ID, LAST_NAME)
VALUES (
t.ID,
t.LAST_NAME
)
Hana
MERGE INTO AUTHOR
USING (
(
SELECT
3 ID,
'X' LAST_NAME
FROM SYS.DUMMY
)
) t
ON AUTHOR.ID = t.ID
WHEN MATCHED THEN UPDATE SET
AUTHOR.LAST_NAME = t.LAST_NAME
WHEN NOT MATCHED THEN INSERT (ID, LAST_NAME)
VALUES (
t.ID,
t.LAST_NAME
)
HSQLDB
MERGE INTO AUTHOR USING ( SELECT 3, 'X' FROM (VALUES (1)) AS dual (dual) ) t (ID, LAST_NAME) ON AUTHOR.ID = t.ID WHEN MATCHED THEN UPDATE SET AUTHOR.LAST_NAME = t.LAST_NAME WHEN NOT MATCHED THEN INSERT (ID, LAST_NAME) VALUES ( t.ID, t.LAST_NAME )
MySQL
INSERT INTO AUTHOR (ID, LAST_NAME) VALUES ( 3, 'X' ) AS t ON DUPLICATE KEY UPDATE AUTHOR.LAST_NAME = t.LAST_NAME
Oracle
MERGE INTO AUTHOR
USING (
(
SELECT
3 ID,
'X' LAST_NAME
)
) t
ON (AUTHOR.ID = t.ID)
WHEN MATCHED THEN UPDATE SET
AUTHOR.LAST_NAME = t.LAST_NAME
WHEN NOT MATCHED THEN INSERT (ID, LAST_NAME)
VALUES (
t.ID,
t.LAST_NAME
)
Redshift, Snowflake
MERGE INTO AUTHOR USING ( SELECT 3, 'X' ) t (ID, LAST_NAME) ON AUTHOR.ID = t.ID WHEN MATCHED THEN UPDATE SET LAST_NAME = t.LAST_NAME WHEN NOT MATCHED THEN INSERT (ID, LAST_NAME) VALUES ( t.ID, t.LAST_NAME )
SQLite
INSERT INTO AUTHOR (ID, LAST_NAME) VALUES ( 3, 'X' ) ON CONFLICT DO UPDATE SET LAST_NAME = excluded.LAST_NAME
SQLServer
MERGE INTO AUTHOR USING ( SELECT 3, 'X' ) t (ID, LAST_NAME) ON AUTHOR.ID = t.ID WHEN MATCHED THEN UPDATE SET AUTHOR.LAST_NAME = t.LAST_NAME WHEN NOT MATCHED THEN INSERT (ID, LAST_NAME) VALUES ( t.ID, t.LAST_NAME );
Sybase
MERGE INTO AUTHOR USING ( SELECT 3, 'X' FROM SYS.DUMMY ) t (ID, LAST_NAME) ON AUTHOR.ID = t.ID WHEN MATCHED THEN UPDATE SET AUTHOR.LAST_NAME = t.LAST_NAME WHEN NOT MATCHED THEN INSERT (ID, LAST_NAME) VALUES ( t.ID, t.LAST_NAME )
Teradata
MERGE INTO AUTHOR
USING (
SELECT 3, 'X'
FROM (
SELECT 1 AS "dual"
) AS "dual"
) t (ID, LAST_NAME)
ON AUTHOR.ID = t.ID
WHEN MATCHED THEN UPDATE SET
LAST_NAME = t.LAST_NAME
WHEN NOT MATCHED THEN INSERT (ID, LAST_NAME)
VALUES (
t.ID,
t.LAST_NAME
)
ASE, Access, BigQuery, ClickHouse, Databricks, Informix, SQLDataWarehouse, Trino, Vertica
/* UNSUPPORTED */
使用 jOOQ 3.21 生成。早期 jOOQ 版本的支持可能有所不同。 在我们的网站上翻译您自己的 SQL
反馈
您对此页面有任何反馈吗? 我们很乐意听到您的意见!