current transaction is aborted, commands ignored until end of transaction block Error updating database. Cause: org.postgresql.util.PSQLException: ERROR: syntax error at or near "where" Position: 36### The error may involve com.project.mapper.PP…
错误出现: 含有错误的查询后,选中insert语句无法执行,报错current transaction is aborted, commands ignored until end of transaction block 分析: 事务中含有错误,再执行DML时,事务无法正常进行. 解决方法: 1.尝试connection.setAutoCommit(true);无法执行 2.直接commit ,提交后再执行insert语句,成功插入. 参考了stackoverflow的解法: https://…
org.springframework.transaction.CannotCreateTransactionException: Could not open Hibernate Session for transaction; nested exception is org.hibernate.exception.JDBCConnectionException: Cannot open connection org.springframework.orm.hibernate3.Hiberna…
同事反馈一个系统在运行一个存储过程时遇到了下面错误: Msg 1206, Level 18, State 169, Procedure xxxxxx, Line 118The Microsoft Distributed Transaction Coordinator (MS DTC) has cancelled the distributed transaction. 费了九牛二虎之力才定位到是我们一个作业把对应的会话给Kill掉了(此作业按条件Kill掉那些阻塞其它会话的会话).今天在测试服务…
This is a by-design behavior. There is only one allocation unit in tempdb that istracking the versioned records across the server. Cleanup of this allocationunit is decided by the oldest transaction of READ_COMMITTED_SNAPSHOT enableddatabase.  SQL Se…
转载以作参考. 错误1 FATAL: connection limit exceeded for non-superusers 原因:非超级用户的连接数(max_connections - superuser_reserved_connections)超过了设定值 解决办法:增加max_connections设定值,但如果增加了过多的话,数据库负担太大还容易产生内存错误.可以记住pg-pool等工具来辅助解决. 错误2 FATAL: sorry, too many clients already…
1. 简介说明             我们知道oracle中sqlplus里面执行dml语句:是需要提交commit:若错了:也可以回滚rollback: 然而在postgresql里面默认是自动提交:执行完就马上提交了,不能回滚,这样容易导致误操作的发生,有没有什么办法避免这个风险呢?当然有,在psql中默认是打开自动提交的,我们可以关闭自动提交.   2. 操作验证   [postgres@oracle2 ~]$ psql -U lottu -d xzfb psql (9.5.0) Typ…
-------------------更新时间:15:52 2016-09-28 星期三 增加模型名翻译17:26 2016-05-20 星期五17:58 2016-05-17 星期二12:14 2016-02-24 星期三-------------------* 翻译概述:    每个模块都可以提供自己的翻译文件,存放在i18n(其来源是英文单词 internationalization的首末字符i和n,    18为中间的字符数)目录下,文件名为LANG.po LANG为语言,如中文简体 z…
参考来自:https://stackoverflow.com/questions/1109061/insert-on-duplicate-update-in-postgresql/1109198#1109198 功能需求:接口定义中包含字段update,当它为true时,批量插入中有记录造成唯一键重复时,不报异常,而是执行更新. 1.接口定义 { "resources": [ { "name":"*", "display_name&qu…
import psycopg2 import threading conn_fmac = psycopg2.connect(database='filter_useless_mac', user='user', password='password', host='192.168.168.168', port='5432') def fetch_rows(f_l): r = {} with conn_fmac: with conn_fmac.cursor() as curs: for i in…