Re: [PHP-DB] How to tell if a field type is auto_increment

[John L. Creed]

Here's what I did wih your help:

function isAutoinc($table,$fieldname){
 // returns 0 if false, 1 if true
 $breturn = 0;
 $sql = "SHOW COLUMNS FROM $table LIKE '$fieldname%' ";
   $result = mysql_query($sql) or die("Couldn't open table");
 // check column Extra
   $row = mysql_fetch_array( $result );
   if( $row["Extra"] == "auto_increment" ){
     $breturn = 1;
   }
   mysql_free_result($result);
   return $breturn;
}

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Thanks again!!!

-- 
Regards,
John L. Creed
pcExpressWay Consulting
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dBASE Gold Charter Member 210
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http://www.pcexpressway.com
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"Niel Archer" <[EMAIL PROTECTED]> wrote in message 
news:[EMAIL PROTECTED]
> Hi
>
> Try using:
> SHOW COLUMNS FROM db.table LIKE 'field_name%'
>
> and from the returned row, check the 'Extra' column for 'auto_increment'
>
> Niel 

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