PHP 忒聊
綴豖
ヶ輛
sesam_diagnostic
(PHP 3 CVS only)
Description
Returns an associative array of status and return codes for the last SQL query/statement/command. Elements of the array are:
桶跡 1. Status information returned by sesam_diagnostic()
Element
Contents
$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)
$array["errlin"]
error line number of previous error (0-based; or -1 if undefined. Set after errors only)
In the following example, a syntax error (E SEW42AE ILLEGAL CHARACTER) is displayed by including the offending SQL statement and pointing to the error location:
瞰赽 1. Displaying SESAM error messages with error position
?php // Function which prints a formatted error message, // displaying a pointer to the syntax error in the // SQL statement function PrintReturncode ($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) --$colspan; echo "TABLE BORDER \n"; echo" TR TH COLSPAN=".$colspan." FONT COLOR=red ERROR: /FONT ". 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 ($line != "\n") print htmlspecialchars ($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, $col, 1) == "\t")? "\t": "."; echo" FONT COLOR=RED BLINK\\ /BLINK /FONT \n"; print "FONT COLOR=\"#880000\" ".htmlspecialchars($line)." /FONT "; for ($col=0; $col $err["errcol"]; ++$col) echo (substr ($line, $col, 1) == "\t")? "\t": "."; echo" FONT COLOR=RED BLINK / /BLINK /FONT \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() for simple access to the error string only
綴豖
れ萸
ヶ輛
sesam_connect
奻珨撰
sesam_disconnect