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    <p>I can't replicate this with MySQLdb. I'm using 1.2.2 final. Perhaps try a simple debug, to be sure that the problem is where you have indicated:</p> <pre><code>In [13]: cur.execute('select %s + %s', (1,2)) Out[13]: 1L In [14]: cur.fetchall() Out[14]: ((3L,),) </code></pre> <p>UPDATE 1: So I grabbed and installed 1.2.3 final, here's my transcript: </p> <pre><code>In [1]: import MySQLdb In [2]: MySQLdb.version_info Out[2]: (1, 2, 3, 'final', 0) In [3]: con = MySQLdb.connect(user='root', db='inventory') In [4]: cur = con.cursor() In [5]: cur.execute('select %s + %s', (1,2)) Out[5]: 1L In [6]: cur.fetchall() Out[6]: ((3L,),) </code></pre> <p>If only I could replicate your problem, then maybe I'd be able to offer a solution!? So what else is different between our two environments? </p> <pre><code>$ mysql --version mysql Ver 14.14 Distrib 5.1.41, for debian-linux-gnu (x86_64) using readline 6.1 </code></pre> <p>UPDATE 2: You can perhaps break things down a little more than above. Note the following snippet from the source for MySQLdb-1.2.3: </p> <pre><code>139 def execute(self, query, args=None): ... 158 if args is not None: 159 query = query % db.literal(args) 160 try: 161 r = self._query(query) 162 except TypeError, m: 163 if m.args[0] in ("not enough arguments for format string", 164 "not all arguments converted"): 165 self.messages.append((ProgrammingError, m.args[0])) </code></pre> <p>line 159 is where your args are converted/escaped and then inserted into the query string. So perhaps you could do something like this: </p> <pre><code>In [24]: con.literal((1,2,)) Out[24]: ('1', '2') </code></pre> <p>To see how arguments are being converted by the driver, prior to merging with your query string. </p> <pre><code>In [26]: "select %s + %s" % con.literal((1,2,)) Out[26]: 'select 1 + 2' </code></pre>
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    1. POProblem passing Tuple to MySQLdb in python
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    1. USjsw
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    1. COHi, thanks for trying to replicate with a similar version! Unfortunately same result, just fails out with no python error and no ouput of results
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      1. USalsandair
    2. CO(I've also put in something to output exceptions: except MySQLdb.Error, e: dumpout.write("\n"+e.args[0]+" "+e.args[1]) but this isn't being output either..) ALTHOUGH my webserver has just put a log in again: the same "TypeError: not enough arguments for format string" as above for the code you provided
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    3. CO@user530501: Please show a transcript of your attempt ...
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      1. USJohn Machin
 

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