This did not work. Re: [PHP-WIN] Query Syntax - WHERE fieldname1='fieldvalue1' AND fieldname2='fieldvalue2'

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This did not work.  Thank you for trying.



Both parms are string



Warning: mysql_query() [http://www.mysql.com/doc]: 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 'FROM classifieds WHERE trans_type = 'For 
Sale' AND trans' at line 2 in C:\apache2triad\htdocs\sunlakes\test3.php on 
line 85



Mark

""Arno Kuhl"" <akuhl@xxxxxxxxxxxx> wrote in message 
news:MOEGIFNOKGHCLJCEILGBIEDOIJAA.akuhl@xxxxxxxxxxxxxxx
> Try this:
>
> $query = "SELECT $field_name
>          FROM classifieds
>          WHERE $field_name1 = '".$field_value1."'
>          AND   $field_name2 = '".$field_value2."'";
>
> Also, check the data types - if $field_name1/2 is an int then you don't 
> need
> the single quotes.
>
> Arno
>
>
>
> -----Original Message-----
> From: Mark Abrams [mailto:mark@xxxxxxxxxxxxxxxxxxxxxxxx]
> Sent: 22 May 2007 05:07
> To: php-windows@xxxxxxxxxxxxx
> Subject:  Query Syntax - WHERE fieldname1='fieldvalue1' AND
> fieldname2='fieldvalue2'
>
>
> Query Syntax -
>
>
>
> I have a syntax error when I am using an AND in the WHERE clause for a
> double field=value restriction
>
>
>
> #1 RUNS OK
>
> $query = "SELECT $field_name FROM classifieds WHERE $field_name =
> '$field_value'";
>
>
>
> $result = mysql_query($query) or die(mysql_error());
>
>
>
> #2 FAILS
>
> $query = "SELECT $field_name FROM classifieds WHERE $field_name1 =
> '$field_value1' AND $field_name2 ='$field_value2'";
>
>
>
> $result = mysql_query($query) or die(mysql_error());
>
>
>
> dies with the following message:
>
>
>
> Warning: mysql_query() [http://www.mysql.com/doc]: 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 'FROM classifieds WHERE trans_type = 'For
> Sale' AND category ='Boats'' at line 1 in C:\apache2triad\htdocs\
>
>
>
> Background: I call a function and pass a $field_name = $field_value pair.
> This works OK.  When I add a second field_name = $field_value pair the 
> query
> dies.
>
>
>
> Data excerpt from TABLE classifieds:
>
> trans_type = Free
> category = Books
>
>
>
>
>
> Also, Can anyone recommend a good book on mySQL / php?  I could not find a
> good example of my problem in the online manual http://www.mysql.com/doc.
>
>
>
> TIA
>
> Mark
>
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