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BOOK: Beginning PHP, Apache, MySQL Web Development ISBN: 978-0-7645-5744-6  | This is the forum to discuss the Wrox book Beginning PHP, Apache, MySQLWeb Development by Michael K. Glass, Yann Le Scouarnec, Elizabeth Naramore, Gary Mailer, Jeremy Stolz, Jason Gerner; ISBN: 9780764557446 |
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May 2nd, 2005, 04:12 PM
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ch 6 commit.php problem updating movie table
Hello everyone.
I made the changes to commit.php as shown on pg 186 of chapter 6, but I get a sql error when I try to edit a movie. The error message I get is : Invalid Query : You have an error in your SQL syntax. Check the manual that corresponds to your MySQL server version for the right syntax to use near ''movie_name' = 'Test2', 'movie_year' = '2005', 'movie_type' = '
This is my query statement :
Code:
$sql = "UPDATE movie
SET
'movie_name' = '".$_POST['movie_name']."',
'movie_year' = '".$_POST['movie_year']."',
'movie_type' = '".$_POST['movie_type']."',
'movie_leadactor' = '".$_POST['movie_leadactor']."',
'movie_director' = '".$_POST['movie_director']."'
WHERE
'movie_id' = '".$_GET['id']."'";
I have been looking at this for hours and can't find the error... my eyes are tired  Any help would be appreciated. TIA
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May 2nd, 2005, 10:02 PM
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I found the cause of the sql error.
fieldnames should have back ticks around them instead of single quotes. (the back tick is the key to the left of the 1 key in the upper left corner.... in case you were wondering). Single quotes are fine for the values....but back ticks for field names.
The corrected code looks like this :
Code:
$sql = "UPDATE
`movie`
SET
`movie_name` = '".$_POST['movie_name']."',
`movie_year` = '".$_POST['movie_year']."',
`movie_type` = '".$_POST['movie_type']."',
`movie_leadactor` = '".$_POST['movie_leadactor']."',
`movie_director` = '".$_POST['movie_director']."'
WHERE
`movie_id` = ".$_GET['id'];
They look similar, but can be the difference between an updated table and a sql error.
Hope this helps someone.
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