Q

Load data problems with MySQL

I'm having problems loading data to MySQL table using LOAD DATA INFILE. How can I load a table column that should be numeric (float(4,2)) from a text fle containing a product price expressed as 1,243.56 (i.e. using a comma), without manipulating the data file prior to the load? Current process issues warnings and truncates the data.
If your data file is comma-separated there may not be much you can do, as MySQL will simply interpret the commas in your numbers as field separators unless they are escaped.

In this case you are probably best off stripping the commas in pre-processing. If your source data file was fixed-width you could also perform a LOAD DATA without specifying column separators and MySQL would read the fixed-width file.

This was first published in June 2005

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