modelBuilder.HasDefaultSchema("public");//EF默认创建到dbo架构中,而PostgreSQL默认为public架构modelBuilder.Conventions.Remove<PluralizingTableNameConvention>();base.OnModelCreating(modelBuilder); }publicDbSet<User> Users {get;set; } } User类 [Table("User",Schema ="public")]publicclassUser { [Key]...
postgres=# truncate db_test; TRUNCATE TABLE 代码语言:sql 复制 postgres=# select * from pg_class where relname ='db_test'; oid | relname | relnamespace | reltype | reloftype | relowner | relam | relfilenode | reltablespace | relpages | reltuples | relallvisible | reltoastrelid | ...
create table db_test(id int primary key, name varchar(50), age int); postgres=# select * from pg_class where relname ='db_test'; oid | relname | relnamespace | reltype | reloftype | relowner | relam | relfilenode | reltablespace | relpages | reltuples | relallvisible | reltoa...
myfield tablename.columnname%TYPE; arow RECORD; 2.1 Declaring Function Parameters Parameters passed to functions are named with the identifiers $1, $2 give a name to the parameter in the CREATE FUNCTION command, for example: CREATEFUNCTIONsales_tax(subtotalreal)RETURNSrealAS$$BEGINRETURNsubtotal*...
SELECT * FROM pg_dirtyread('tablename') AS t(col1 type1, col2 type2, ...); 样例1: 删除找回 CREATE EXTENSION pg_dirtyread; -- Create table and disable autovacuum CREATE TABLE foo (bar bigint, baz text); ALTER TABLE foo SET ( autovacuum_enabled = false, toast.autovacuum_enabled =...
pname = sname = "ProjectSet"; break; case T_ModifyTable: sname = "ModifyTable"; switch (((ModifyTable *) plan)->operation) { case CMD_INSERT: pname = operation = "Insert"; break; case CMD_UPDATE: pname = operation = "Update"; break; case CMD_DELETE: pname = operation = "Del...
{$tableName} as {$tableAlias}"; // manually attach the parent and child queries, mimicking the logic performed by `$query->join()` $query->table = $query->from; $query->type = 'inner'; $query->whereColumn("{$tableName}.{$primaryKey}", '=', "{$tableAlias}.{$primaryKey}");...
个人用户申请的数据库用户同意使用dbp_<name>,其中name为 LDAP 中的标准用户名。 默认权限组命名固定为:dbrole_readonly,dbrole_readwrite,dbrole_admin,dbrole_offline。 模式命名规则(Schema) 业务统一使用一个全局的<prefix>作为模式名,尽可能简短,默认设置为search_path首位元素。
postgresql 赞收藏 分享 阅读940更新于2023-06-25 引用和评论
{stringsqlCommand =$"INSERT INTO {Teacher.TableName} (first_name, last_name, subject, salary) VALUES (@firstName, @lastName, @Subject, @salary)";varqueryArguments =new{ firstName = teacher.FirstName, lastName = teacher.LastName,