django-pyodbc 及 freetds 查询 mssql 中文视图及表时报错问题求教,系统是 centos7 - V2EX
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qile1
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django-pyodbc 及 freetds 查询 mssql 中文视图及表时报错问题求教,系统是 cntos7

  •  
  •   qile1 2018-01-23 22:27:28 +08:00 2439 次点击
    这是一个创建于 2817 天前的主题,其中的信息可能已经有所发展或是发生改变。

    如题,环境是 python 3.6 + django 1.11 + sqlserver 2008 安装服务器 centos7 +nginx 查询英文表,英文 sql 语句正常,列是中文也可以正常显示,查询中文视图报错如执行 select [名字] from [报告单视图]会报错

    python3 manage.py shell from django.db import connections cOnn= connections['mssqldb'] cur = conn.cursor() cur.execute('SELECT TOP 1 name FROM vw_report') <pyodbc.Cursor object at 0xac1b528> cur.fetchall() cur.execute("SELECT top 1 [姓名] FROM [接口视图_报告结果] where [姓名]='郎秀兰'") #报错 cur.fetchall() 

    /etc/odbc.ini 修改内容为这样

    [ODBC Data Sources] ODBCNAME = Microsoft SQL Server [MSSQL-PYTHON] Driver = /usr/lib64/libtdsodbc.so Description = Hi! This is a description of the MSSQL-PYTHON driver Trace = No #Database = cxonline Server = 192.168.123.93 Port = 1433 Setup = /usr/lib64/libtdsS.so FileUsage = 1 client charset= 

    /etc/odbcinst.ini 修改内容为这样

    [FreeTDS] Description = FreeTDS Driver = /usr/lib64/libtdsodbc.so [ODBC Data Sources] ODBCNAME = Microsoft SQL Server [MSSQL-PYTHON] Driver = /usr/lib64/libtdsodbc.so Description = Hi! This is a description of the MSSQL-PYTHON driver Trace = No #Database = cxonline Server = 192.168.123.93 Port = 1433 Setup = /usr/lib64/libtdsS.so FileUsage = 1 client charset= 

    /etc/freetds.conf 此文件修改编码 client charset = 无效果,改 utf8 也试过不对!

    [192.168.1.108] host = 192.168.123.93 port = 1433 tds version = 8.0 client charset =  [ODBC Data Sources] ODBCNAME = Microsoft SQL Server [MSSQL-PYTHON] Driver = /usr/lib64/libtdsodbc.so Description = Hi! This is a description of the MSSQL-PYTHON driver Trace = No #Database = cxonline Server = 192.168.123.93 Port = 1433 

    django settings.py 配置如下

    'mssqldb': { 'ENGINE': 'sqlserver', 'NAME': 'data1', 'HOST': '127.0.0.1', 'PORT': '1433', 'USER': 'sa', 'PASSWORD': '*********', 'OPTIONS': { 'DRIVER': 'SQL Server Native Client 10.0', }, 

    其他配置

    LANGUAGE_CODE = 'zh-Hans' TIME_ZOnE= 'Asia/Shanghai' 

    报如下错误

    cOnn= connections['mssqldb'] cur = conn.cursor() cur.execute('SELECT TOP 1 reportid FROM vw_report') <pyodbc.Cursor object="" at="" 0x7fdbfb2c25d0=""> cur.fetchall() [(3.0, )] cur.execute("SELECT top 1 [姓名] FROM [接口视图_1] where [姓名]='郎秀兰'") Traceback (most recent call last): File "/usr/local/lib/python3.6/site-packages/django/db/backends/utils.py", line 63, in execute return self.cursor.execute(sql) File "/usr/local/lib/python3.6/site-packages/sql_server/pyodbc/base.py", line 545, in execute return self.cursor.execute(sql, params) pyodbc.ProgrammingError: ('42000', "[42000] [FreeTDS][SQL Server]Incorrect syntax near '='. (102) (SQLExecDirectW)")

    The above exception was the direct cause of the following exception:

    Traceback (most recent call last): File "<console>", line 1, in <module> File "/usr/local/lib/python3.6/site-packages/django/db/backends/utils.py", line 80, in execute return super(CursorDebugWrapper, self).execute(sql, params) File "/usr/local/lib/python3.6/site-packages/django/db/backends/utils.py", line 65, in execute return self.cursor.execute(sql, params) File "/usr/local/lib/python3.6/site-packages/django/db/utils.py", line 94, in exit six.reraise(dj_exc_type, dj_exc_value, traceback) File "/usr/local/lib/python3.6/site-packages/django/utils/six.py", line 685, in reraise raise value.with_traceback(tb) File "/usr/local/lib/python3.6/site-packages/django/db/backends/utils.py", line 63, in execute return self.cursor.execute(sql) File "/usr/local/lib/python3.6/site-packages/sql_server/pyodbc/base.py", line 545, in execute return self.cursor.execute(sql, params) django.db.utils.ProgrammingError: ('42000', "[42000] [FreeTDS][SQL Server]Incorrect syntax near '='. (102) (SQLExecDirectW)")

    django 访问引用数据报如下错误

    ProgrammingError at /Vresult/ ('42S22', "[42S22] [FreeTDS][SQL Server]Invalid column name 'ュ'. (207) (SQLExecDirectW)") 
    3 条回复    2018-01-24 15:31:56 +08:00
    PureWhite
        1
    PureWhite  
       2018-01-24 00:37:38 +08:00
    大哥,这个已经很明显了好吧。。。中文出错基本上就是字符编码问题,你看下面的 column name,都是乱码,一看就知道是编码问题啊。。。
    具体如何解决就 Google 吧。
    /etc/odbcinst.ini 和 /etc/freetds.conf 这两个应该都要同步改吧?
    还有,在 sqlserver 里面查询一下表的编码是什么,应该能解。
    具体怎么查询 Google。
    qile1
        2
    qile1  
    OP
       2018-01-24 14:39:33 +08:00 via Android
    @PureWhite 非常感谢回复,是编码问题,但是在哪里改才可以支持?我谷歌一圈没有找到,数据库是中午编,兰亭字符集 lant ……,具体编码我一会查下,问题应该在 freetds 什么的编码,用 及 UTF8 都乱码,已经找原因一个星期,查出数据中文显示正确,mssql 数据库服务器是 win10,数据库服务器安装 pymssql,可以查询,centos7 连接就不能!是否无解?
    PureWhite
        3
    PureWhite  
       2018-01-24 15:31:56 +08:00
    @qile1 不是无解,字符编码虽然是一个比较麻烦的问题,但是也是很容易解决的。
    你自己都说了,数据库是中文编码,字符集是什么 兰亭(没听说过这个,我猜应该是 latin 吧。。。)?
    你要么就修改数据库的编码为 utf-8,要么就把配置里面的编码全部改成和数据库一样。
    包括记得 Django 的编码也得改,你在 python 里面调用的时候记得要 decode 或者 encode,根据你解决方案的不同。

    其实要做的事非常简单,就是把数据库,client 和你的 Django 的应用编码设置成一致就可以了。
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