postgres=# insert into t_kenyon(id,vname) values(1,'test_kenyon') returning id; id ---- 1 (1 row) INSERT 0 1 postgres=# insert into t_kenyon(id,vname) select generate_series(1,5),'Kenyon here' returning id; id -
imos=#INSERTINTOperson (name)VALUES('Blaise Pascal') RETURNING id; id---1(1row)INSERT01imos=#INSERTINTOperson (name)VALUES('Blaise Pascal') RETURNING id; id---2(1row)INSERT01imos=#INSERTINTOperson (name)VALUES('Blaise Pascal') RETURNING*; id|name---+---3|Blaise Pascal (1row)INSERT...
6. 使用函数清理重复行 begin;setlocalsession_replication_role='replica';withgoodrowsas(selectmin(ctid)fromTEST_mytablegroupbyid),mydeleteas(deletefromTEST_mytablewherenotexists(select1fromgoodrowswheremin=ctid)returning*)insertintoTEST_mytable_duperows_20250317select*frommydelete;resetsession_replication_...
6. 使用函数清理重复行 begin;setlocalsession_replication_role='replica';withgoodrowsas(selectmin(ctid)fromTEST_mytablegroupbyid),mydeleteas(deletefromTEST_mytablewherenotexists(select1fromgoodrowswheremin=ctid)returning*)insertintoTEST_mytable_duperows_20250317select*frommydelete;reset session_replication...
user := User{ Name: "John", Age: 25, } stmt, err := db.Prepare("INSERT INTO users (name, age) VALUES ($1, $2) RETURNING id") if err != nil { // 处理错误 } defer stmt.Close() var id int err = stmt.QueryRow(user.Name, user.Age).Scan(&id) if err != nil { /...
"PostgreSQLRETURNING表返回一个字符串" 在PostgreSQL 中,RETURNING是一个用于将查询结果插入到另一个表中的特殊语法。如果你从RETURNING子句中指定一个表达式,则该表达式将作为字符串返回。 例如,以下查询将返回一个字符串: 代码语言:sql 复制 SELECT'Hello, world!'RETURNING''; ...
RETURNING * ) INSERT INTO COMPANY1 (SELECT * FROM moved_rows 1. 2. 3. 4. 5. 6. 7. 11. HAVING 筛选分组后的各组数据 下面是 HAVING 子句在 SELECT 查询中的位置: SELECT FROM WHERE GROUP BY HAVING ORDER BY 1. 2. 3. 4. 5.
"user_id", "created_at", "updated_at") VALUES (NULL, 1, 'Demo', '', '', '', '1998-01-01', 1, NULL, NULL, NULL, '', '', '', '345345435453453', '', '', '', '', '', '', FALSE, FALSE, FALSE, FALSE, FALSE, 10, NULL, 1, 1470477479, 1470477479) RETURNING "id...
create trigger tg1 instead of insert or update or delete on v_tb for each row execute procedure tg(); 当我们对v_tbl视图进行插入、更新或删除时执行对应的操作 插入数据 insert into v_tb values (1, 'digoal', now()) returning *; 插入数据使触发器执行。因为我们这个sql直接返回了结果,可以直...
2、新增返回:insert into point(pointtype,pointx,pointy,pointval)values(1,2,3,4) RETURNING id; 1. 2. SqlLite: 1、创建:id INTEGER PRIMARY KEY AUTOINCREMENT 2、返回值:select last_insert_rowid() from person 3、自增自增归零:DELETE FROM sqlite_sequence WHERE name='TableName'; ...