?? sequences.inc
字號:
<?php // -*- PHP -*-
function error_handler(&$obj) {
print "sequences.inc error_handler\n";
}
$dbh->dropSequence("test");
// test that sequences are not created if "ondemand" is false
$e = $dbh->nextId("test", false);
if (DB::isError($e)) {
print $e->getMessage() . "\n";
}
// test that sequences are created if "ondemand" is true, and that
// two successive nextIds return adjacent values
$a = $dbh->nextId("test");
$b = $dbh->nextId("test");
if (DB::isError($a)) {
print "a: ".$a->toString()."\n";
} else {
print "a=$a\n";
}
if (DB::isError($b)) {
print "b: ".$b->toString()."\n";
} else {
print "b=$b\n";
}
print "b-a=".($b-$a)."\n";
// test that the user-specified error handler is really disabled
// during nextId, with per-object handler as well as global handler
$dbh->dropSequence("test");
$dbh->setErrorHandling(PEAR_ERROR_CALLBACK, "error_handler");
$c = $dbh->nextId("test");
if (DB::isError($c)) {
print "c: ".$c->toString()."\n";
} else {
print "c=$c\n";
}
$dbh->dropSequence("test");
$dbh->_default_error_mode = null;
PEAR::setErrorHandling(PEAR_ERROR_CALLBACK, "error_handler");
$d = $dbh->nextId("test");
if (DB::isError($d)) {
print "d: ".$d->toString()."\n";
} else {
print "d=$d\n";
}
// final clean-up
$dbh->dropSequence("test");
?>
?? 快捷鍵說明
復制代碼
Ctrl + C
搜索代碼
Ctrl + F
全屏模式
F11
切換主題
Ctrl + Shift + D
顯示快捷鍵
?
增大字號
Ctrl + =
減小字號
Ctrl + -