diff --git a/advancedcontentfilter/advancedcontentfilter.php b/advancedcontentfilter/advancedcontentfilter.php
index 37463d5d..34d47425 100644
--- a/advancedcontentfilter/advancedcontentfilter.php
+++ b/advancedcontentfilter/advancedcontentfilter.php
@@ -40,7 +40,6 @@ use Friendica\Core\Cache;
 use Friendica\Core\L10n;
 use Friendica\Core\System;
 use Friendica\Database\DBA;
-use Friendica\Database\DBM;
 use Friendica\Database\DBStructure;
 use Friendica\Model\Item;
 use Friendica\Model\Term;
@@ -414,7 +413,7 @@ function advancedcontentfilter_get_variables_guid(ServerRequestInterface $reques
 	$params = ['order' => ['uid' => true]];
 	$item = Item::selectFirstForUser(local_user(), [], $condition, $params);
 
-	if (!DBM::is_result($item)) {
+	if (!DBA::isResult($item)) {
 		throw new HTTPException\NotFoundException(L10n::t('Unknown post with guid: %s', $args['guid']));
 	}
 
diff --git a/catavatar/catavatar.php b/catavatar/catavatar.php
index 074cc00c..f84ae117 100644
--- a/catavatar/catavatar.php
+++ b/catavatar/catavatar.php
@@ -13,7 +13,6 @@ use Friendica\Core\L10n;
 use Friendica\Core\PConfig;
 use Friendica\Core\Worker;
 use Friendica\Database\DBA;
-use Friendica\Database\DBM;
 use Friendica\Model\Contact;
 use Friendica\Model\Photo;
 use Friendica\Network\HTTPException\NotFoundException;
@@ -86,7 +85,7 @@ function catavatar_addon_settings_post(App $a, &$s)
 		$url = $a->get_baseurl() . '/catavatar/' . local_user() . '?ts=' . time();
 
 		$self = DBA::selectFirst('contact', ['id'], ['uid' => local_user(), 'self' => true]);
-		if (!DBM::is_result($self)) {
+		if (!DBA::isResult($self)) {
 			notice(L10n::t("The cat hadn't found itself."));
 			return;
 		}
@@ -95,7 +94,7 @@ function catavatar_addon_settings_post(App $a, &$s)
 
 		$condition = ['uid' => local_user(), 'contact-id' => $self['id']];
 		$photo = DBA::selectFirst('photo', ['resource-id'], $condition);
-		if (!DBM::is_result($photo)) {
+		if (!DBA::isResult($photo)) {
 			notice(L10n::t('There was an error, the cat ran away.'));
 			return;
 		}
diff --git a/diaspora/diaspora.php b/diaspora/diaspora.php
index 2f8c13fe..79cd236d 100644
--- a/diaspora/diaspora.php
+++ b/diaspora/diaspora.php
@@ -14,7 +14,6 @@ use Friendica\Core\Addon;
 use Friendica\Core\L10n;
 use Friendica\Core\PConfig;
 use Friendica\Database\DBA;
-use Friendica\Database\DBM;
 use Friendica\Model\Queue;
 
 function diaspora_install() {
@@ -141,7 +140,7 @@ function diaspora_settings(&$a,&$s) {
 	$status = "";
 
 	$r = q("SELECT `addr` FROM `contact` WHERE `self` AND `uid` = %d", intval(local_user()));
-	if (DBM::is_result($r)) {
+	if (DBA::isResult($r)) {
 		$status = L10n::t("Please remember: You can always be reached from Diaspora with your Friendica handle %s. ", $r[0]['addr']);
 		$status .= L10n::t('This connector is only meant if you still want to use your old Diaspora account for some time. ');
 		$status .= L10n::t('However, it is preferred that you tell your Diaspora contacts the new handle %s instead.', $r[0]['addr']);
diff --git a/forumdirectory/forumdirectory.php b/forumdirectory/forumdirectory.php
index a72c45ba..c71c4a38 100644
--- a/forumdirectory/forumdirectory.php
+++ b/forumdirectory/forumdirectory.php
@@ -11,7 +11,7 @@ use Friendica\Content\Widget;
 use Friendica\Core\Addon;
 use Friendica\Core\Config;
 use Friendica\Core\L10n;
-use Friendica\Database\DBM;
+use Friendica\Database\DBA;
 use Friendica\Model\Profile;
 use Friendica\Util\Temporal;
 
@@ -107,7 +107,7 @@ function forumdirectory_content(&$a)
 
 	$r = q("SELECT COUNT(*) AS `total` FROM `profile` LEFT JOIN `user` ON `user`.`uid` = `profile`.`uid`"
 		. " WHERE `is-default` = 1 $publish AND `user`.`blocked` = 0 AND `page-flags` = 2 $sql_extra ");
-	if (DBM::is_result($r)) {
+	if (DBA::isResult($r)) {
 		$a->set_pager_total($r[0]['total']);
 	}
 
@@ -120,7 +120,7 @@ function forumdirectory_content(&$a)
 		intval($a->pager['itemspage'])
 	);
 
-	if (DBM::is_result($r)) {
+	if (DBA::isResult($r)) {
 		if (in_array('small', $a->argv)) {
 			$photo = 'thumb';
 		} else {
diff --git a/ifttt/ifttt.php b/ifttt/ifttt.php
index 832f3df2..14add12a 100644
--- a/ifttt/ifttt.php
+++ b/ifttt/ifttt.php
@@ -15,7 +15,6 @@ use Friendica\Core\Addon;
 use Friendica\Core\L10n;
 use Friendica\Core\PConfig;
 use Friendica\Database\DBA;
-use Friendica\Database\DBM;
 use Friendica\Model\Item;
 
 function ifttt_install()
@@ -102,7 +101,7 @@ function ifttt_post(App $a)
 	$nickname = $a->argv[1];
 
 	$user = DBA::selectFirst('user', ['uid'], ['nickname' => $nickname]);
-	if (!DBM::is_result($user)) {
+	if (!DBA::isResult($user)) {
 		logger('User ' . $nickname . ' not found.', LOGGER_DEBUG);
 		return;
 	}
diff --git a/mailstream/mailstream.php b/mailstream/mailstream.php
index 66b43303..012416b8 100644
--- a/mailstream/mailstream.php
+++ b/mailstream/mailstream.php
@@ -11,7 +11,7 @@ use Friendica\Core\Addon;
 use Friendica\Core\Config;
 use Friendica\Core\L10n;
 use Friendica\Core\PConfig;
-use Friendica\Database\DBM;
+use Friendica\Database\DBA;
 use Friendica\Util\Network;
 use Friendica\Model\Item;
 
@@ -173,7 +173,7 @@ function mailstream_do_images($a, &$item, &$attachments) {
 
 function mailstream_sender($item) {
 	$r = q('SELECT * FROM `contact` WHERE `id` = %d', $item['contact-id']);
-	if (DBM::is_result($r)) {
+	if (DBA::isResult($r)) {
 		$contact = $r[0];
 		if ($contact['name'] != $item['author-name']) {
 			return $contact['name'] . ' - ' . $item['author-name'];
@@ -214,7 +214,7 @@ function mailstream_subject($item) {
 	// Don't look more than 100 levels deep for a subject, in case of loops
 	for ($i = 0; ($i < 100) && $parent; $i++) {
 		$parent_item = Item::selectFirst(['thr-parent', 'title'], ['uri' => $parent]);
-		if (!DBM::is_result($parent_item)) {
+		if (!DBA::isResult($parent_item)) {
 			break;
 		}
 		if ($parent_item['thr-parent'] === $parent) {
diff --git a/public_server/public_server.php b/public_server/public_server.php
index a30d3303..1fbd41b8 100644
--- a/public_server/public_server.php
+++ b/public_server/public_server.php
@@ -10,7 +10,6 @@ use Friendica\Core\Addon;
 use Friendica\Core\Config;
 use Friendica\Core\L10n;
 use Friendica\Database\DBA;
-use Friendica\Database\DBM;
 use Friendica\Util\DateTimeFormat;
 
 function public_server_install()
@@ -60,7 +59,7 @@ function public_server_cron($a, $b)
 		`expire_notification_sent` <= '%s'",
 		dbesc(NULL_DATE), dbesc(NULL_DATE));
 
-	if (DBM::is_result($r)) {
+	if (DBA::isResult($r)) {
 		foreach ($r as $rr) {
 			notification([
 				'uid' => $rr['uid'],
@@ -83,7 +82,7 @@ function public_server_cron($a, $b)
 	if ($nologin) {
 		$r = q("SELECT `uid` FROM `user` WHERE NOT `account_expired` AND `login_date` <= '%s' AND `register_date` < UTC_TIMESTAMP() - INTERVAL %d DAY AND `account_expires_on` <= '%s'",
 			dbesc(NULL_DATE), intval($nologin), dbesc(NULL_DATE));
-		if (DBM::is_result($r)) {
+		if (DBA::isResult($r)) {
 			foreach ($r as $rr) {
 				$fields = ['account_expires_on' => DateTimeFormat::utc('now +6 days')];
 				DBA::update('user', $fields, ['uid' => $rr['uid']]);
@@ -95,7 +94,7 @@ function public_server_cron($a, $b)
 	if ($flagusers) {
 		$r = q("SELECT `uid` FROM `user` WHERE NOT `account_expired` AND `login_date` < UTC_TIMESTAMP() - INTERVAL %d DAY AND `account_expires_on` <= '%s' AND `page-flags` = 0",
 			intval($flagusers), dbesc(NULL_DATE));
-		if (DBM::is_result($r)) {
+		if (DBA::isResult($r)) {
 			foreach ($r as $rr) {
 				$fields = ['account_expires_on' => DateTimeFormat::utc('now +6 days')];
 				DBA::update('user', $fields, ['uid' => $rr['uid']]);
@@ -108,7 +107,7 @@ function public_server_cron($a, $b)
 	if ($flagposts && $flagpostsexpire) {
 		$r = q("SELECT `uid` FROM `user` WHERE NOT `account_expired` AND `login_date` < UTC_TIMESTAMP() - INTERVAL %d DAY AND `account_expires_on` <= '%s' and `expire` = 0 AND `page-flags` = 0",
 			intval($flagposts), dbesc(NULL_DATE));
-		if (DBM::is_result($r)) {
+		if (DBA::isResult($r)) {
 			foreach ($r as $rr) {
 				DBA::update('user', ['expire' => $flagpostsexpire], ['uid' => $rr['uid']]);
 			}
diff --git a/pumpio/pumpio.php b/pumpio/pumpio.php
index b3442ed7..6a6cc606 100644
--- a/pumpio/pumpio.php
+++ b/pumpio/pumpio.php
@@ -15,7 +15,6 @@ use Friendica\Core\L10n;
 use Friendica\Core\PConfig;
 use Friendica\Core\Worker;
 use Friendica\Database\DBA;
-use Friendica\Database\DBM;
 use Friendica\Model\Contact;
 use Friendica\Model\GContact;
 use Friendica\Model\Group;
@@ -421,7 +420,7 @@ function pumpio_send(App $a, array &$b)
 		$condition = ['id' => $b['parent'], 'network' => NETWORK_PUMPIO];
 		$orig_post = Item::selectFirst([], $condition);
 
-		if (!DBM::is_result($orig_post)) {
+		if (!DBA::isResult($orig_post)) {
 			logger("pumpio_send: no pumpio post ".$b["parent"]);
 			return;
 		} else {
@@ -573,7 +572,7 @@ function pumpio_send(App $a, array &$b)
 			logger('pumpio_send '.$username.': '.$url.' general error: ' . print_r($user, true));
 
 			$r = q("SELECT `id` FROM `contact` WHERE `uid` = %d AND `self`", $b['uid']);
-			if (DBM::is_result($r)) {
+			if (DBA::isResult($r)) {
 				$a->contact = $r[0]["id"];
 			}
 
@@ -601,7 +600,7 @@ function pumpio_action(App $a, $uid, $uri, $action, $content = "")
 
 	$orig_post = Item::selectFirst([], ['uri' => $uri, 'uid' => $uid]);
 
-	if (!DBM::is_result($orig_post)) {
+	if (!DBA::isResult($orig_post)) {
 		return;
 	}
 
@@ -650,7 +649,7 @@ function pumpio_action(App $a, $uid, $uri, $action, $content = "")
 		logger('pumpio_action '.$username.' '.$action.': general error: '.$uri.' '.print_r($user, true));
 
 		$r = q("SELECT `id` FROM `contact` WHERE `uid` = %d AND `self`", $b['uid']);
-		if (DBM::is_result($r)) {
+		if (DBA::isResult($r)) {
 			$a->contact = $r[0]["id"];
 		}
 
@@ -665,7 +664,7 @@ function pumpio_sync(App $a)
 {
 	$r = q("SELECT * FROM `addon` WHERE `installed` = 1 AND `name` = 'pumpio'");
 
-	if (!DBM::is_result($r)) {
+	if (!DBA::isResult($r)) {
 		return;
 	}
 
@@ -683,7 +682,7 @@ function pumpio_sync(App $a)
 	logger('pumpio: cron_start');
 
 	$r = q("SELECT * FROM `pconfig` WHERE `cat` = 'pumpio' AND `k` = 'mirror' AND `v` = '1' ORDER BY RAND() ");
-	if (DBM::is_result($r)) {
+	if (DBA::isResult($r)) {
 		foreach ($r as $rr) {
 			logger('pumpio: mirroring user '.$rr['uid']);
 			pumpio_fetchtimeline($a, $rr['uid']);
@@ -698,11 +697,11 @@ function pumpio_sync(App $a)
 	$abandon_limit = date(DateTimeFormat::MYSQL, time() - $abandon_days * 86400);
 
 	$r = q("SELECT * FROM `pconfig` WHERE `cat` = 'pumpio' AND `k` = 'import' AND `v` = '1' ORDER BY RAND() ");
-	if (DBM::is_result($r)) {
+	if (DBA::isResult($r)) {
 		foreach ($r as $rr) {
 			if ($abandon_days != 0) {
 				$user = q("SELECT `login_date` FROM `user` WHERE uid=%d AND `login_date` >= '%s'", $rr['uid'], $abandon_limit);
-				if (!DBM::is_result($user)) {
+				if (!DBA::isResult($user)) {
 					logger('abandoned account: timeline from user '.$rr['uid'].' will not be imported');
 					continue;
 				}
@@ -871,9 +870,9 @@ function pumpio_dounlike(App $a, $uid, $self, $post, $own_id)
 	// Searching for the unliked post
 	// Two queries for speed issues
 	$orig_post = Item::selectFirst([], ['uri' => $post->object->id, 'uid' => $uid]);
-	if (!DBM::is_result($orig_post)) {
+	if (!DBA::isResult($orig_post)) {
 		$orig_post = Item::selectFirst([], ['extid' => $post->object->id, 'uid' => $uid]);
-		if (!DBM::is_result($orig_post)) {
+		if (!DBA::isResult($orig_post)) {
 			return;
 		}
 	}
@@ -888,7 +887,7 @@ function pumpio_dounlike(App $a, $uid, $self, $post, $own_id)
 			intval($uid)
 		);
 
-		if (DBM::is_result($r)) {
+		if (DBA::isResult($r)) {
 			$contactid = $r[0]['id'];
 		}
 
@@ -899,7 +898,7 @@ function pumpio_dounlike(App $a, $uid, $self, $post, $own_id)
 
 	Item::delete(['verb' => ACTIVITY_LIKE, 'uid' => $uid, 'contact-id' => $contactid, 'thr-parent' => $orig_post['uri']]);
 
-	if (DBM::is_result($r)) {
+	if (DBA::isResult($r)) {
 		logger("pumpio_dounlike: unliked existing like. User ".$own_id." ".$uid." Contact: ".$contactid." Url ".$orig_post['uri']);
 	} else {
 		logger("pumpio_dounlike: not found. User ".$own_id." ".$uid." Contact: ".$contactid." Url ".$orig_post['uri']);
@@ -918,9 +917,9 @@ function pumpio_dolike(App $a, $uid, $self, $post, $own_id, $threadcompletion =
 	// Searching for the liked post
 	// Two queries for speed issues
 	$orig_post = Item::selectFirst([], ['uri' => $post->object->id, 'uid' => $uid]);
-	if (!DBM::is_result($orig_post)) {
+	if (!DBA::isResult($orig_post)) {
 		$orig_post = Item::selectFirst([], ['extid' => $post->object->id, 'uid' => $uid]);
-		if (!DBM::is_result($orig_post)) {
+		if (!DBA::isResult($orig_post)) {
 			return;
 		}
 	}
@@ -943,7 +942,7 @@ function pumpio_dolike(App $a, $uid, $self, $post, $own_id, $threadcompletion =
 			intval($uid)
 		);
 
-		if (DBM::is_result($r)) {
+		if (DBA::isResult($r)) {
 			$contactid = $r[0]['id'];
 		}
 
@@ -1018,7 +1017,7 @@ function pumpio_get_contact($uid, $contact, $no_insert = false)
 	$r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `nurl` = '%s' LIMIT 1",
 		intval($uid), dbesc(normalise_link($contact->url)));
 
-	if (!DBM::is_result($r)) {
+	if (!DBA::isResult($r)) {
 		// create contact record
 		q("INSERT INTO `contact` (`uid`, `created`, `url`, `nurl`, `addr`, `alias`, `notify`, `poll`,
 					`name`, `nick`, `photo`, `network`, `rel`, `priority`,
@@ -1048,7 +1047,7 @@ function pumpio_get_contact($uid, $contact, $no_insert = false)
 			intval($uid)
 			);
 
-		if (!DBM::is_result($r)) {
+		if (!DBA::isResult($r)) {
 			return false;
 		}
 
@@ -1176,7 +1175,7 @@ function pumpio_dopost(App $a, $client, $uid, $self, $post, $own_id, $threadcomp
 				intval($uid)
 			);
 
-			if (DBM::is_result($r)) {
+			if (DBA::isResult($r)) {
 				$contact_id = $r[0]['id'];
 			} else {
 				$r = q("SELECT * FROM `contact` WHERE `nurl` = '%s' AND `uid` = %d AND `blocked` = 0 AND `readonly` = 0 LIMIT 1",
@@ -1184,7 +1183,7 @@ function pumpio_dopost(App $a, $client, $uid, $self, $post, $own_id, $threadcomp
 					intval($uid)
 				);
 
-				if (DBM::is_result($r)) {
+				if (DBA::isResult($r)) {
 					$contact_id = $r[0]['id'];
 				} else {
 					$contact_id = $self[0]['id'];
@@ -1405,7 +1404,7 @@ function pumpio_queue_hook(App $a, array &$b)
 		dbesc(NETWORK_PUMPIO)
 	);
 
-	if (!DBM::is_result($qi)) {
+	if (!DBA::isResult($qi)) {
 		return;
 	}
 
@@ -1420,7 +1419,7 @@ function pumpio_queue_hook(App $a, array &$b)
 			WHERE `contact`.`self` = 1 AND `contact`.`id` = %d LIMIT 1",
 			intval($x['cid'])
 		);
-		if (!DBM::is_result($r)) {
+		if (!DBA::isResult($r)) {
 			continue;
 		}
 
@@ -1512,7 +1511,7 @@ function pumpio_getreceiver(App $a, array $b)
 				dbesc(NETWORK_PUMPIO)
 				);
 
-			if (DBM::is_result($r)) {
+			if (DBA::isResult($r)) {
 				$receiver["bcc"][] = [
 							"displayName" => $r[0]["name"],
 							"objectType" => "person",
@@ -1555,7 +1554,7 @@ function pumpio_getreceiver(App $a, array $b)
 				dbesc(NETWORK_PUMPIO)
 				);
 
-			if (DBM::is_result($r)) {
+			if (DBA::isResult($r)) {
 				$receiver["to"][] = [
 					"displayName" => $r[0]["name"],
 					"objectType" => "person",
@@ -1587,7 +1586,7 @@ function pumpio_fetchallcomments(App $a, $uid, $id)
 	// Fetching the original post
 	$condition = ["`uri` = ? AND `uid` = ? AND `extid` != ''", $id, $uid];
 	$item = Item::selectFirst(['extid'], $condition);
-	if (!DBM::is_result($item)) {
+	if (!DBA::isResult($item)) {
 		return false;
 	}
 
diff --git a/statusnet/statusnet.php b/statusnet/statusnet.php
index 9af2c6d1..c1701e08 100644
--- a/statusnet/statusnet.php
+++ b/statusnet/statusnet.php
@@ -48,7 +48,6 @@ use Friendica\Core\Config;
 use Friendica\Core\L10n;
 use Friendica\Core\PConfig;
 use Friendica\Database\DBA;
-use Friendica\Database\DBM;
 use Friendica\Model\GContact;
 use Friendica\Model\Group;
 use Friendica\Model\Item;
@@ -465,7 +464,7 @@ function statusnet_post_hook(App $a, &$b)
 
 		$condition = ['uri' => $b["thr-parent"], 'uid' => $b["uid"]];
 		$orig_post = Item::selectFirst(['author-link', 'uri'], $condition);
-		if (!DBM::is_result($orig_post)) {
+		if (!DBA::isResult($orig_post)) {
 			logger("statusnet_post_hook: no parent found " . $b["thr-parent"]);
 			return;
 		} else {
@@ -686,7 +685,7 @@ function statusnet_prepare_body(App $a, &$b)
 
 		$condition = ['uri' => $item["thr-parent"], 'uid' => local_user()];
 		$orig_post = Item::selectFirst(['author-link', 'uri'], $condition);
-		if (DBM::is_result($orig_post)) {
+		if (DBA::isResult($orig_post)) {
 			$nick = preg_replace("=https?://(.*)/(.*)=ism", "$2", $orig_post["author-link"]);
 
 			$nickname = "@[url=" . $orig_post["author-link"] . "]" . $nick . "[/url]";
@@ -731,7 +730,7 @@ function statusnet_cron(App $a, $b)
 	logger('statusnet: cron_start');
 
 	$r = q("SELECT * FROM `pconfig` WHERE `cat` = 'statusnet' AND `k` = 'mirror_posts' AND `v` = '1' ORDER BY RAND() ");
-	if (DBM::is_result($r)) {
+	if (DBA::isResult($r)) {
 		foreach ($r as $rr) {
 			logger('statusnet: fetching for user ' . $rr['uid']);
 			statusnet_fetchtimeline($a, $rr['uid']);
@@ -746,11 +745,11 @@ function statusnet_cron(App $a, $b)
 	$abandon_limit = date(DateTimeFormat::MYSQL, time() - $abandon_days * 86400);
 
 	$r = q("SELECT * FROM `pconfig` WHERE `cat` = 'statusnet' AND `k` = 'import' AND `v` ORDER BY RAND()");
-	if (DBM::is_result($r)) {
+	if (DBA::isResult($r)) {
 		foreach ($r as $rr) {
 			if ($abandon_days != 0) {
 				$user = q("SELECT `login_date` FROM `user` WHERE uid=%d AND `login_date` >= '%s'", $rr['uid'], $abandon_limit);
-				if (!DBM::is_result($user)) {
+				if (!DBA::isResult($user)) {
 					logger('abandoned account: timeline from user ' . $rr['uid'] . ' will not be imported');
 					continue;
 				}
@@ -902,16 +901,16 @@ function statusnet_fetch_contact($uid, $contact, $create_user)
 
 	$r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `alias` = '%s' AND `network` = '%s'LIMIT 1", intval($uid), dbesc(normalise_link($contact->statusnet_profile_url)), dbesc(NETWORK_STATUSNET));
 
-	if (!DBM::is_result($r) && !$create_user) {
+	if (!DBA::isResult($r) && !$create_user) {
 		return 0;
 	}
 
-	if (DBM::is_result($r) && ($r[0]["readonly"] || $r[0]["blocked"])) {
+	if (DBA::isResult($r) && ($r[0]["readonly"] || $r[0]["blocked"])) {
 		logger("statusnet_fetch_contact: Contact '" . $r[0]["nick"] . "' is blocked or readonly.", LOGGER_DEBUG);
 		return -1;
 	}
 
-	if (!DBM::is_result($r)) {
+	if (!DBA::isResult($r)) {
 		// create contact record
 		q("INSERT INTO `contact` ( `uid`, `created`, `url`, `nurl`, `addr`, `alias`, `notify`, `poll`,
 					`name`, `nick`, `photo`, `network`, `rel`, `priority`,
@@ -941,7 +940,7 @@ function statusnet_fetch_contact($uid, $contact, $create_user)
 			intval($uid),
 			dbesc(NETWORK_STATUSNET));
 
-		if (!DBM::is_result($r)) {
+		if (!DBA::isResult($r)) {
 			return false;
 		}
 
@@ -1025,7 +1024,7 @@ function statusnet_fetchuser(App $a, $uid, $screen_name = "", $user_id = "")
 	$r = q("SELECT * FROM `contact` WHERE `self` = 1 AND `uid` = %d LIMIT 1",
 		intval($uid));
 
-	if (DBM::is_result($r)) {
+	if (DBA::isResult($r)) {
 		$self = $r[0];
 	} else {
 		return;
@@ -1087,11 +1086,11 @@ function statusnet_createpost(App $a, $uid, $post, $self, $create_user, $only_ex
 		$fields = ['uri', 'parent-uri', 'parent'];
 		$item = Item::selectFirst($fields, ['uri' => $parent, 'uid' => $uid]);
 
-		if (!DBM::is_result($item)) {
+		if (!DBA::isResult($item)) {
 			$item = Item::selectFirst($fields, ['extid' => $parent, 'uid' => $uid]);
 		}
 
-		if (DBM::is_result($item)) {
+		if (DBA::isResult($item)) {
 			$postarray['thr-parent'] = $item['uri'];
 			$postarray['parent-uri'] = $item['parent-uri'];
 			$postarray['parent'] = $item['parent'];
@@ -1109,7 +1108,7 @@ function statusnet_createpost(App $a, $uid, $post, $self, $create_user, $only_ex
 			$r = q("SELECT * FROM `contact` WHERE `self` = 1 AND `uid` = %d LIMIT 1",
 				intval($uid));
 
-			if (DBM::is_result($r)) {
+			if (DBA::isResult($r)) {
 				$contactid = $r[0]["id"];
 
 				$postarray['owner-name'] = $r[0]["name"];
@@ -1213,7 +1212,7 @@ function statusnet_fetchhometimeline(App $a, $uid, $mode = 1)
 		intval($own_contact),
 		intval($uid));
 
-	if (DBM::is_result($r)) {
+	if (DBA::isResult($r)) {
 		$nick = $r[0]["nick"];
 	} else {
 		logger("statusnet_fetchhometimeline: Own GNU Social contact not found for user " . $uid, LOGGER_DEBUG);
@@ -1223,7 +1222,7 @@ function statusnet_fetchhometimeline(App $a, $uid, $mode = 1)
 	$r = q("SELECT * FROM `contact` WHERE `self` = 1 AND `uid` = %d LIMIT 1",
 		intval($uid));
 
-	if (DBM::is_result($r)) {
+	if (DBA::isResult($r)) {
 		$self = $r[0];
 	} else {
 		logger("statusnet_fetchhometimeline: Own contact not found for user " . $uid, LOGGER_DEBUG);
@@ -1232,7 +1231,7 @@ function statusnet_fetchhometimeline(App $a, $uid, $mode = 1)
 
 	$u = q("SELECT * FROM user WHERE uid = %d LIMIT 1",
 		intval($uid));
-	if (!DBM::is_result($u)) {
+	if (!DBA::isResult($u)) {
 		logger("statusnet_fetchhometimeline: Own user not found for user " . $uid, LOGGER_DEBUG);
 		return;
 	}
@@ -1522,7 +1521,7 @@ function statusnet_fetch_own_contact(App $a, $uid)
 	} else {
 		$r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `alias` = '%s' LIMIT 1",
 			intval($uid), dbesc($own_url));
-		if (DBM::is_result($r)) {
+		if (DBA::isResult($r)) {
 			$contact_id = $r[0]["id"];
 		} else {
 			PConfig::delete($uid, 'statusnet', 'own_url');
diff --git a/twitter/twitter.php b/twitter/twitter.php
index aa0adfb8..786b3474 100644
--- a/twitter/twitter.php
+++ b/twitter/twitter.php
@@ -72,7 +72,6 @@ use Friendica\Core\L10n;
 use Friendica\Core\PConfig;
 use Friendica\Core\Worker;
 use Friendica\Database\DBA;
-use Friendica\Database\DBM;
 use Friendica\Model\Contact;
 use Friendica\Model\GContact;
 use Friendica\Model\Group;
@@ -185,7 +184,7 @@ function twitter_follow(App $a, &$contact)
 		FROM `contact` WHERE `uid` = %d AND `nick` = '%s'",
 				intval($uid),
 				dbesc($nickname));
-	if (DBM::is_result($r)) {
+	if (DBA::isResult($r)) {
 		$contact["contact"] = $r[0];
 	}
 }
@@ -468,7 +467,7 @@ function twitter_post_hook(App $a, &$b)
 
 		$condition = ['uri' => $b["thr-parent"], 'uid' => $b["uid"]];
 		$orig_post = Item::selectFirst([], $condition);
-		if (!DBM::is_result($orig_post)) {
+		if (!DBA::isResult($orig_post)) {
 			logger("twitter_post_hook: no parent found " . $b["thr-parent"]);
 			return;
 		} else {
@@ -622,7 +621,7 @@ function twitter_post_hook(App $a, &$b)
 			logger('Send to Twitter failed: "' . print_r($result->errors, true) . '"');
 
 			$r = q("SELECT `id` FROM `contact` WHERE `uid` = %d AND `self`", intval($b['uid']));
-			if (DBM::is_result($r)) {
+			if (DBA::isResult($r)) {
 				$a->contact = $r[0]["id"];
 			}
 
@@ -677,7 +676,7 @@ function twitter_cron(App $a, $b)
 	logger('twitter: cron_start');
 
 	$r = q("SELECT * FROM `pconfig` WHERE `cat` = 'twitter' AND `k` = 'mirror_posts' AND `v` = '1'");
-	if (DBM::is_result($r)) {
+	if (DBA::isResult($r)) {
 		foreach ($r as $rr) {
 			logger('twitter: fetching for user ' . $rr['uid']);
 			Worker::add(PRIORITY_MEDIUM, "addon/twitter/twitter_sync.php", 1, (int) $rr['uid']);
@@ -692,11 +691,11 @@ function twitter_cron(App $a, $b)
 	$abandon_limit = date(DateTimeFormat::MYSQL, time() - $abandon_days * 86400);
 
 	$r = q("SELECT * FROM `pconfig` WHERE `cat` = 'twitter' AND `k` = 'import' AND `v` = '1'");
-	if (DBM::is_result($r)) {
+	if (DBA::isResult($r)) {
 		foreach ($r as $rr) {
 			if ($abandon_days != 0) {
 				$user = q("SELECT `login_date` FROM `user` WHERE uid=%d AND `login_date` >= '%s'", $rr['uid'], $abandon_limit);
-				if (!DBM::is_result($user)) {
+				if (!DBA::isResult($user)) {
 					logger('abandoned account: timeline from user ' . $rr['uid'] . ' will not be imported');
 					continue;
 				}
@@ -751,7 +750,7 @@ function twitter_expire(App $a, $b)
 	logger('twitter_expire: expire_start');
 
 	$r = q("SELECT * FROM `pconfig` WHERE `cat` = 'twitter' AND `k` = 'import' AND `v` = '1' ORDER BY RAND()");
-	if (DBM::is_result($r)) {
+	if (DBA::isResult($r)) {
 		foreach ($r as $rr) {
 			logger('twitter_expire: user ' . $rr['uid']);
 			Item::expire($rr['uid'], $days, NETWORK_TWITTER, true);
@@ -774,7 +773,7 @@ function twitter_prepare_body(App $a, &$b)
 
 		$condition = ['uri' => $item["thr-parent"], 'uid' => local_user()];
 		$orig_post = Item::selectFirst(['author-link'], $condition);
-		if (DBM::is_result($orig_post)) {
+		if (DBA::isResult($orig_post)) {
 			$nicknameplain = preg_replace("=https?://twitter.com/(.*)=ism", "$1", $orig_post["author-link"]);
 			$nickname = "@[url=" . $orig_post["author-link"] . "]" . $nicknameplain . "[/url]";
 			$nicknameplain = "@" . $nicknameplain;
@@ -925,7 +924,7 @@ function twitter_queue_hook(App $a, &$b)
 	$qi = q("SELECT * FROM `queue` WHERE `network` = '%s'",
 		dbesc(NETWORK_TWITTER)
 	);
-	if (!DBM::is_result($qi)) {
+	if (!DBA::isResult($qi)) {
 		return;
 	}
 
@@ -940,7 +939,7 @@ function twitter_queue_hook(App $a, &$b)
 			WHERE `contact`.`self` = 1 AND `contact`.`id` = %d LIMIT 1",
 			intval($x['cid'])
 		);
-		if (!DBM::is_result($r)) {
+		if (!DBA::isResult($r)) {
 			continue;
 		}
 
@@ -1019,11 +1018,11 @@ function twitter_fetch_contact($uid, $data, $create_user)
 	}
 
 	$contact = DBA::selectFirst('contact', [], ['uid' => $uid, 'alias' => "twitter::" . $data->id_str]);
-	if (!DBM::is_result($contact) && !$create_user) {
+	if (!DBA::isResult($contact) && !$create_user) {
 		return 0;
 	}
 
-	if (!DBM::is_result($contact)) {
+	if (!DBA::isResult($contact)) {
 		// create contact record
 		$fields['uid'] = $uid;
 		$fields['created'] = DateTimeFormat::utcNow();
@@ -1083,7 +1082,7 @@ function twitter_fetchuser(App $a, $uid, $screen_name = "", $user_id = "")
 	$r = q("SELECT * FROM `contact` WHERE `self` = 1 AND `uid` = %d LIMIT 1",
 		intval($uid));
 
-	if (DBM::is_result($r)) {
+	if (DBA::isResult($r)) {
 		$self = $r[0];
 	} else {
 		return;
@@ -1354,11 +1353,11 @@ function twitter_createpost(App $a, $uid, $post, $self, $create_user, $only_exis
 
 		$fields = ['uri', 'parent-uri', 'parent'];
 		$parent_item = Item::selectFirst($fields, ['uri' => $parent, 'uid' => $uid]);
-		if (!DBM::is_result($parent_item)) {
+		if (!DBA::isResult($parent_item)) {
 			$parent_item = Item::selectFirst($fields, ['extid' => $parent, 'uid' => $uid]);
 		}
 
-		if (DBM::is_result($parent_item)) {
+		if (DBA::isResult($parent_item)) {
 			$postarray['thr-parent'] = $parent_item['uri'];
 			$postarray['parent-uri'] = $parent_item['parent-uri'];
 			$postarray['parent'] = $parent_item['parent'];
@@ -1376,7 +1375,7 @@ function twitter_createpost(App $a, $uid, $post, $self, $create_user, $only_exis
 			$r = q("SELECT * FROM `contact` WHERE `self` = 1 AND `uid` = %d LIMIT 1",
 				intval($uid));
 
-			if (DBM::is_result($r)) {
+			if (DBA::isResult($r)) {
 				$contactid = $r[0]["id"];
 
 				$postarray['owner-name']   = $r[0]["name"];
@@ -1575,7 +1574,7 @@ function twitter_fetchhometimeline(App $a, $uid)
 		intval($own_contact),
 		intval($uid));
 
-	if (DBM::is_result($r)) {
+	if (DBA::isResult($r)) {
 		$own_id = $r[0]["nick"];
 	} else {
 		logger("twitter_fetchhometimeline: Own twitter contact not found for user " . $uid, LOGGER_DEBUG);
@@ -1585,7 +1584,7 @@ function twitter_fetchhometimeline(App $a, $uid)
 	$r = q("SELECT * FROM `contact` WHERE `self` = 1 AND `uid` = %d LIMIT 1",
 		intval($uid));
 
-	if (DBM::is_result($r)) {
+	if (DBA::isResult($r)) {
 		$self = $r[0];
 	} else {
 		logger("twitter_fetchhometimeline: Own contact not found for user " . $uid, LOGGER_DEBUG);
@@ -1594,7 +1593,7 @@ function twitter_fetchhometimeline(App $a, $uid)
 
 	$u = q("SELECT * FROM user WHERE uid = %d LIMIT 1",
 		intval($uid));
-	if (!DBM::is_result($u)) {
+	if (!DBA::isResult($u)) {
 		logger("twitter_fetchhometimeline: Own user not found for user " . $uid, LOGGER_DEBUG);
 		return;
 	}
@@ -1661,7 +1660,7 @@ function twitter_fetchhometimeline(App $a, $uid)
 
 			if ($postarray['uri'] == $postarray['parent-uri']) {
 				$contact = DBA::selectFirst('contact', [], ['id' => $postarray['contact-id'], 'self' => false]);
-				if (DBM::is_result($contact)) {
+				if (DBA::isResult($contact)) {
 					$notify = Item::isRemoteSelf($contact, $postarray);
 				}
 			}
@@ -1753,7 +1752,7 @@ function twitter_fetch_own_contact(App $a, $uid)
 		$r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `alias` = '%s' LIMIT 1",
 			intval($uid),
 			dbesc("twitter::" . $own_id));
-		if (DBM::is_result($r)) {
+		if (DBA::isResult($r)) {
 			$contact_id = $r[0]["id"];
 		} else {
 			PConfig::delete($uid, 'twitter', 'own_id');
diff --git a/viewsrc/viewsrc.php b/viewsrc/viewsrc.php
index 9ffa0b8c..ab5d3afa 100644
--- a/viewsrc/viewsrc.php
+++ b/viewsrc/viewsrc.php
@@ -9,7 +9,7 @@
 use Friendica\Core\Addon;
 use Friendica\Core\L10n;
 use Friendica\Model\Item;
-use Friendica\Database\DBM;
+use Friendica\Database\DBA;
 
 function viewsrc_install() {
 	Addon::registerHook('item_photo_menu', 'addon/viewsrc/viewsrc.php', 'viewsrc_item_photo_menu');
@@ -43,7 +43,7 @@ function viewsrc_item_photo_menu(&$a, &$b)
 
 	if (local_user() != $b['item']['uid']) {
 		$item = Item::selectFirstForUser(local_user(), ['id'], ['uid' => local_user(), 'guid' => $b['item']['guid']]);
-		if (!DBM::is_result($item)) {
+		if (!DBA::isResult($item)) {
 			return;
 		}