以下示例使用psycopg2库执行SQL查询语句来检查表是否存在。 # 创建游标cur=conn.cursor()# 执行查询cur.execute("SELECT EXISTS(SELECT 1 FROM information_schema.tables WHERE table_name = 'your_table_name')")# 获取查询结果table_exists=cur.fetchone()[0]# 关闭游标cur.close()# 判断表是否存在iftable_e...
postgresql shell发起select操作报错ERROR: relation "tablename" does not exist 最近安装了一套clourdera manager,其中hive元数据保存在postgresql中,因为今天想看一下hive的元数据信息,就登录了psql,连接到hive元数据库,发起select操作,报错如下: 这个错误因为postgresql不像oracle那么智能,postgresql区分大小写,并且不识...
postgresql shell发起select操作报错ERROR: relation "tablename" does not exist 最近安装了一套clourdera manager,其中hive元数据保存在postgresql中,因为今天想看一下hive的元数据信息,就登录了psql,连接到hive元数据库,发起select操作,报错如下: 这个错误因为postgresql不像oracle那么智能,postgresql区分大小写,并且不识...
中文提示 : Table Name不存在。 English Message : Table Name does not exist.收藏 热忱回答(3)fate sta VIP0 2021/12/15 尽量用 CodeFirst建表 ,db.DbMaintenance.CreateTable是底层方法用法需要很多注意的 0 回复 管大师 VIP0 2021/12/15 没办法 我这个没有办法用codefirst建表 0 回复 ...
@尘世的夏: 我也是这么想的，但总感觉不应该。因为这个文件，我是从项目的资源文件夹拷贝一份出来放到...
ERROR: relation "cwd_user" does not exist LINE 1: select * from cwd_user; We can confirm that the table is present by running the following query: jiradb=# \dt List of relations Schema | Name | Type | Owner ---+---+---+--- jira | cwd_synchronisation_stat...
Postgres "Relation <tablename> does not exist" Get Help mark2 May 5, 2022, 3:56pm 1 Hi all, I am kicking the tires of Metabase with a local JAR based install. I connected to our AWS RDS Postgres instance. It fails to sync the schema, every table shows this error in the Metaba...
属性'ExclusiveStartKey‘在类型'{TableName: any;}’上不存在 、、、 src/services/DynamoDB.ts:33:18 - error TS2339: Property 'ExclusiveStartKey' does not exist on type '{TableName这种类型是有意义的,因为scanParams通常只有表名而没有其他键。那么,如何消除这个错误呢?
If you get either of the following errors, it usually means that no table exists in the default database with the given name: Table 'tbl_name' doesn't exist Can't find file: 'tbl_name' (errno: 2) In some cases, it may be that the table does exist but that you are referring ...
If you get either of the following errors, it usually means that no table exists in the default database with the given name: Table 'tbl_name' doesn't exist Can't find file: 'tbl_name' (errno: 2) In some cases, it may be that the table does exist but that you are referring ...