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[b]Need correct sql syntax for php script?[/b]

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dscrugham

dscrugham

Programmer
Apr 11, 2007
7
US
Pervasive 8.6
PHP v4.3.1
Apache v1.3.33

The following syntax works if I hardcode in the string value. However, if I use a variable, I get no results. I've tried using wildcards, i.e. %, both before and after the variable but get the same results. If I replace 'SOME NAME HERE' with '$sup_name', no results come back. I have confirmed that $sup_name has a valid name. Any suggestions?

[blue]$sup_name[/blue] = trim($supervisor);

$dir_query = "SELECT lastname, firstname, ssn FROM soinc.upempl WHERE STATUS <> '3' AND SUPERVSR = '[red]SOME NAME HERE[/red]'
UNION
SELECT lastname, firstname, ssn FROM topllc.upempl WHERE STATUS <> '3' AND SUPERVSR = '[red]SOME NAME HERE[/red]'";
$dir_result = odbc_exec($connect_soinc, $dir_query);
$dir_row = odbc_fetch_row($dir_result);
 
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The "." operator is how string concatenation is done in PHP. So your statement would look something like:
Code: 
$dir_query = "SELECT lastname, firstname, ssn FROM soinc.upempl WHERE STATUS <> '3' AND SUPERVSR = '" . $sup_name . "' UNION  SELECT lastname, firstname, ssn FROM topllc.upempl WHERE STATUS <> '3' AND SUPERVSR = '" . $sup_name . "'";

Mirtheil
Certified Pervasive Developer
Certified Pervasive Technician
 
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Thanks Mirtheil but when I try that I echo out the following for the $dir_query:

SELECT lastname, firstname, ssn FROM soinc.upempl WHERE STATUS <> '3' AND SUPERVSR = 'JOHN SMITH' UNION SELECT lastname, firstname, ssn FROM topllc.upempl WHERE STATUS <> '3' AND SUPERVSR = 'JOHN SMITH'

This is exactly the same result as if I were to use the following and gives the same results, nothing.
Code: 
$dir_query = "SELECT lastname, firstname, ssn FROM soinc.upempl WHERE STATUS <> '3' AND SUPERVSR = '$sup_name' UNION  SELECT lastname, firstname, ssn FROM topllc.upempl WHERE STATUS <> '3' AND SUPERVSR = '$sup_name'";

Although if I hardcode 'JOHN SMITH' in the origianl sql statement, it returns records...
 
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WHat happens if you take the SQL statement that is generated when you use the variable and is copied into the PCC (or ODBCTest or something similar) and run?
If the query is the same, you should be getting the same results.


Mirtheil
Certified Pervasive Developer
Certified Pervasive Technician
 
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I just tried it with a very simple statement and was able to get a variable substitution to work. DOes the following return records? It did for me.

Code: 
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML>
<HEAD>
<TITLE>PHP Sample</TITLE>
</HEAD>
<BODY>
<?php
$conn=odbc_connect("Demodata","","",""); 
$simple = "ACC 101";
$sql="select * from class where name = '$simple'";

echo $sql;
$rs=odbc_exec($conn,$sql);  
echo "<table border=1>\n";
$numfields = odbc_num_fields($rs);
for($i=1;$i<=$numfields;$i++){
	$fn=odbc_field_name($rs,$i);
	echo "<th>$fn</th>";
}
echo "\n";
while(odbc_fetch_row($rs)){ 
	echo "<tr>\n";
	for($i=1;$i<=$numfields;$i++){
	   $fv=odbc_result($rs,$i);
	   echo "<td>$fv</td>";
	}   
	echo "</tr>\n";
} 
echo "</table>\n";
echo "<p>Number of Fields: $numfields</p>\n";
?>
</BODY>
</HTML>

Mirtheil
Certified Pervasive Developer
Certified Pervasive Technician
 
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Mirtheil-
Your script does work but only if I hardcode the string value in the sql statement. If I put the variable in, it doesn't populate the table. I have never encountered this situation so I am scratching my head. Still working on it, I'll post back when/if I get it worked out. Thanks for the help.
 
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The only difference in my environment would be that I'm using PHP 5.2.1. I have tried with multiple versions of PSQL and didn't see a difference.


Mirtheil
Certified Pervasive Developer
Certified Pervasive Technician
 
Upvote 0 Downvote
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