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DBI:mysql date conversion question

by finhagen (Sexton)
on Sep 22, 2008 at 00:59 UTC ( #712915=perlquestion: print w/ replies, xml ) Need Help??
finhagen has asked for the wisdom of the Perl Monks concerning the following question:

I am using Spreadsheet::ParseExcel to read data from an excel spreadsheet. I have encountered a problem ingesting dates. The excel date format is mm/dd/yyyy whereas mysql expects yyyy-mm-dd. I tried reformating the cells in the spreadsheet and I can, in fact, format the presentation of the date to match the yyyy-mm-dd format that mysql expects, but when I select a cell it turns out the cell content is still in the mm/dd/yyyy format. Therefore, when attempt to insert the dates into mysql I only get 0000-00-00. I am attempting to use the STR_TO_DATE mysql function within my DBI do statement to correct this problem. My code looks like this:
$dbh->do("insert into frame (indate,siteid,serial,contract,installdate) values (CURDATE(),\'$frame_siteid\',\'$frame_serial\',\'$frame_contract\',STR +_TO_DATE($frame_installdate,\'%m/%d/Y\')");
However, this date formatting syntax is failing:
DBD::mysql::db do failed: You have an error in your SQL syntax; check +the manual that corresponds to your MySQL server version for the righ +t syntax to use near '' at line 3 at ./excel.syr.frame.extract.pl lin +e 91.
I imagine this is a common problem for which there is a common answer, but I am having trouble finding it on the mysql or perl sites/reference material I have searched.
Hagen Finley

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Re: DBI:mysql date conversion question
by Anonymous Monk on Sep 22, 2008 at 01:14 UTC
      my $sth = $dbh->prepqre(q~ ( indate, siteid,serial,contract,installdate) values (CURDATE(), ?, ?, ?, STR_TO_DATE(?,'%m/%d/%Y') ) ~); $sth->execute( $frame_siteid, $frame_serial, $frame_contract, $frame_i +nstalldate );
        my $sth = $dbh->prepqre(q~
        should be
        my $sth = $dbh->prepare(q~ insert into frame
Re: DBI:mysql date conversion question
by lamp (Chaplain) on Sep 22, 2008 at 01:56 UTC
    The following is the syntax of STR_TO_DATE.
    STR_TO_DATE('00/00/0000', '%m/%d/%Y');
    In your insert statement, '%' symbol is missing for year(Y) format string. Also a bracket( ")" ) is missing at the end of the insert statement.
    And also check the value of '$frame_installdate' before the insert statement.

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