Re: Duplicate entries despite group by

2010-02-21 Thread Carsten Pedersen
Is the CREATE TABLE you show the result of SHOW CREATE TABLE or your own create statement? If the latter, please show the output of SHOW CREATE. Does SELECT succeed if you remove the INSERT part of the statement? You might want to consider adding an index on transactionlogid, this could bring

Duplicate entries despite group by

2010-02-20 Thread Yang Zhang
I have the following table: CREATE TABLE `graph` ( `tableid1` varchar(20) NOT NULL, `tupleid1` int(11) NOT NULL, `tableid2` varchar(20) NOT NULL, `tupleid2` int(11) NOT NULL, `node1` int(11) NOT NULL, `node2` int(11) NOT NULL, `weight` int(10) NOT NULL, PRIMARY KEY