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sesam_diagnostic

Return status information for last SESAM call ()
array sesam_diagnostic ( )

Returns status information for last SESAM call.

Return Values

Returns an associative array of status and return codes for the last SQL query/statement/command. Elements of the array are:

Table 283.  Status information returned by sesam_diagnostic()

ElementContents
$array["sqlstate"] 5 digit SQL return code (see the SESAM manual for the description of the possible values of SQLSTATE)
$array["rowcount"] number of affected rows in last update/insert/delete (set after "immediate" statements only)
$array["errmsg"] "human readable" error message string (set after errors only)
$array["errcol"] error column number of previous error (0-based; or -1 if undefined. Set after errors only)
$array["errlin"] error line number of previous error (0-based; or -1 if undefined. Set after errors only)


Examples

In the following example, a syntax error (E SEW42AE ILLEGAL CHARACTER) is displayed by including the offending SQL statement and pointing to the error location:

Example 2210. Displaying SESAM error messages with error position

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<?php
// Function which prints a formatted error message,
// displaying a pointer to the syntax error in the
// SQL statement
function PrintReturncode($exec_str)
{
   $err = Sesam_Diagnostic();
   $colspan=4; // 4 cols for: sqlstate, errlin, errcol, rowcount
   if ($err["errlin"] == -1)
       --$colspan;
   if ($err["errcol"] == -1)
       --$colspan;
   if ($err["rowcount"] == 0)
       --$colspan;
   echo "<table border=\"1\">\n";
   echo "<tr><th colspan=\"" . $colspan . "\"><span class=\"spanred\">ERROR:</span> ".
        htmlspecialchars($err["errmsg"]) . "</th></tr>\n";
   if ($err["errcol"] >= 0) {
       echo "<tr><td colspan=\"" . $colspan . "\"><pre>\n";
       $errstmt = $exec_str . "\n";
       for ($lin=0; $errstmt != ""; ++$lin) {
           if ($lin != $err["errlin"]) { // $lin is less or greater than errlin
               if (!($i = strchr($errstmt, "\n")))
                   $i = "";
               $line = substr ($errstmt, 0, strlen($errstmt)-strlen($i)+1);
               $errstmt = substr($i, 1);
               if ($line != "\n")
                   echo htmlspecialchars($line);
           } else {
               if (! ($i = strchr ($errstmt, "\n")))
                   $i = "";
               $line = substr ($errstmt, 0, strlen ($errstmt)-strlen($i)+1);
               $errstmt = substr($i, 1);
               for ($col=0; $col < $err["errcol"]; ++$col) {
                   echo (substr($line, $col, 1) == "\t") ? "\t" : ".";
               }
               echo "<span class=\"spanred\">\\</span>\n";
               echo "<span class=\"normal\">" . htmlspecialchars($line) . "</span>";
               for ($col=0; $col < $err["errcol"]; ++$col) {
                   echo (substr ($line, $col, 1) == "\t") ? "\t" : ".";
               }
               echo "<span class=\"spanred\">/</span>\n";
           }
       }
       echo "</pre></td></tr>\n";
   }
   echo "<tr>\n";
   echo " <td>sqlstate=" . $err["sqlstate"] . "</td>\n";
   if ($err["errlin"] != -1)
       echo " <td>errlin=" . $err["errlin"] . "</td>\n";
   if ($err["errcol"] != -1)
       echo " <td>errcol=" . $err["errcol"] . "</td>\n";
   if ($err["rowcount"] != 0)
        echo " <td>rowcount=" . $err["rowcount"] . "</td>\n";
   echo "</tr>\n";
   echo "</table>\n";
}

if (!sesam_connect ("mycatalog", "phoneno", "otto"))
 die ("cannot connect");

$stmt = "SELECT * FROM phone\n" .
       " WHERE@ LASTNAME='KRAEMER'\n" .
       " ORDER BY FIRSTNAME";
if (!($result = sesam_query ($stmt)))
   PrintReturncode ($stmt);
?>


See Also
sesam_errormsg()


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