Fixes several database errors, removes "relation" handling
authorMichael <heluecht@pirati.ca>
Thu, 25 Feb 2021 05:13:49 +0000 (05:13 +0000)
committerMichael <heluecht@pirati.ca>
Thu, 25 Feb 2021 05:13:49 +0000 (05:13 +0000)
src/Core/Hook.php
src/Database/DBA.php
src/Database/Database.php
src/Model/Contact/Relation.php
src/Model/Event.php
src/Model/Item.php
src/Module/Conversation/Community.php
src/Worker/Delivery.php
src/Worker/MergeContact.php
src/Worker/RemoveContact.php
static/dbstructure.config.php

index d7b1f73..8b1e234 100644 (file)
@@ -218,7 +218,7 @@ class Hook
                } else {
                        // remove orphan hooks
                        $condition = ['hook' => $name, 'file' => $hook[0], 'function' => $hook[1]];
-                       self::delete($condition, ['cascade' => false]);
+                       self::delete($condition);
                }
        }
 
@@ -250,13 +250,12 @@ class Hook
         * We have to clear the cached routerDispatchData because addons can provide routes
         *
         * @param array $condition
-        * @param array $options
         * @return bool
         * @throws \Exception
         */
-       public static function delete(array $condition, array $options = [])
+       public static function delete(array $condition)
        {
-               $result = DBA::delete('hook', $condition, $options);
+               $result = DBA::delete('hook', $condition);
 
                if ($result) {
                        DI::cache()->delete('routerDispatchData');
index 56e8891..54c317b 100644 (file)
@@ -388,9 +388,6 @@ class DBA
         *
         * @param string|array $table      Table name
         * @param array        $conditions Field condition(s)
-        * @param array        $options
-        *                           - cascade: If true we delete records in other tables that depend on the one we're deleting through
-        *                           relations (default: true)
         *
         * @return boolean was the delete successful?
         * @throws \Exception
index 653fd03..9299b92 100644 (file)
@@ -1217,175 +1217,29 @@ class Database
                return $ret;
        }
 
-       /**
-        * Build the array with the table relations
-        *
-        * The array is build from the database definitions in DBStructure.php
-        *
-        * This process must only be started once, since the value is cached.
-        */
-       private function buildRelationData()
-       {
-               $definition = DBStructure::definition($this->configCache->get('system', 'basepath'));
-
-               foreach ($definition AS $table => $structure) {
-                       foreach ($structure['fields'] AS $field => $field_struct) {
-                               if (isset($field_struct['relation'])) {
-                                       foreach ($field_struct['relation'] AS $rel_table => $rel_field) {
-                                               $this->relation[$rel_table][$rel_field][$table][] = $field;
-                                       }
-                               }
-                       }
-               }
-       }
-
        /**
         * Delete a row from a table
         *
-        * Note: this methods does NOT accept schema => table arrays because of the complex relation stuff.
-        *
         * @param string $table      Table name
         * @param array  $conditions Field condition(s)
-        * @param array  $options
-        *                           - cascade: If true we delete records in other tables that depend on the one we're deleting through
-        *                           relations (default: true)
-        * @param array  $callstack  Internal use: prevent endless loops
         *
         * @return boolean was the delete successful?
         * @throws \Exception
         */
-       public function delete($table, array $conditions, array $options = [], array &$callstack = [])
+       public function delete($table, array $conditions)
        {
                if (empty($table) || empty($conditions)) {
                        $this->logger->info('Table and conditions have to be set');
                        return false;
                }
 
-               $commands = [];
-
-               // Create a key for the loop prevention
-               $key = $table . ':' . json_encode($conditions);
-
-               // We quit when this key already exists in the callstack.
-               if (isset($callstack[$key])) {
-                       return true;
-               }
-
-               $callstack[$key] = true;
-
-               $commands[$key] = ['table' => $table, 'conditions' => $conditions];
-
-               // Don't use "defaults" here, since it would set "false" to "true"
-               if (isset($options['cascade'])) {
-                       $cascade = $options['cascade'];
-               } else {
-                       $cascade = true;
-               }
-
-               // To speed up the whole process we cache the table relations
-               if ($cascade && count($this->relation) == 0) {
-                       $this->buildRelationData();
-               }
-
-               // Is there a relation entry for the table?
-               if ($cascade && isset($this->relation[$table])) {
-                       // We only allow a simple "one field" relation.
-                       $field   = array_keys($this->relation[$table])[0];
-                       $rel_def = array_values($this->relation[$table])[0];
-
-                       // Create a key for preventing double queries
-                       $qkey = $field . '-' . $table . ':' . json_encode($conditions);
-
-                       // When the search field is the relation field, we don't need to fetch the rows
-                       // This is useful when the leading record is already deleted in the frontend but the rest is done in the backend
-                       if ((count($conditions) == 1) && ($field == array_keys($conditions)[0])) {
-                               foreach ($rel_def AS $rel_table => $rel_fields) {
-                                       foreach ($rel_fields AS $rel_field) {
-                                               $this->delete($rel_table, [$rel_field => array_values($conditions)[0]], $options, $callstack);
-                                       }
-                               }
-                               // We quit when this key already exists in the callstack.
-                       } elseif (!isset($callstack[$qkey])) {
-                               $callstack[$qkey] = true;
-
-                               // Fetch all rows that are to be deleted
-                               $data = $this->select($table, [$field], $conditions);
-
-                               while ($row = $this->fetch($data)) {
-                                       $this->delete($table, [$field => $row[$field]], $options, $callstack);
-                               }
-
-                               $this->close($data);
-
-                               // Since we had split the delete command we don't need the original command anymore
-                               unset($commands[$key]);
-                       }
-               }
-
-               // Now we finalize the process
-               $do_transaction = !$this->in_transaction;
-
-               if ($do_transaction) {
-                       $this->transaction();
-               }
-
-               $compacted = [];
-               $counter   = [];
-
-               foreach ($commands AS $command) {
-                       $conditions = $command['conditions'];
-                       reset($conditions);
-                       $first_key = key($conditions);
-
-                       $condition_string = DBA::buildCondition($conditions);
-
-                       if ((count($command['conditions']) > 1) || is_int($first_key)) {
-                               $sql = "DELETE FROM " . DBA::quoteIdentifier($command['table']) . " " . $condition_string;
-                               $this->logger->info($this->replaceParameters($sql, $conditions), ['callstack' => System::callstack(6), 'internal_callstack' => $callstack]);
-
-                               if (!$this->e($sql, $conditions)) {
-                                       if ($do_transaction) {
-                                               $this->rollback();
-                                       }
-                                       return false;
-                               }
-                       } else {
-                               $key_table     = $command['table'];
-                               $key_condition = array_keys($command['conditions'])[0];
-                               $value         = array_values($command['conditions'])[0];
-
-                               // Split the SQL queries in chunks of 100 values
-                               // We do the $i stuff here to make the code better readable
-                               $i = isset($counter[$key_table][$key_condition]) ? $counter[$key_table][$key_condition] : 0;
-                               if (isset($compacted[$key_table][$key_condition][$i]) && count($compacted[$key_table][$key_condition][$i]) > 100) {
-                                       ++$i;
-                               }
-
-                               $compacted[$key_table][$key_condition][$i][$value] = $value;
-                               $counter[$key_table][$key_condition]               = $i;
-                       }
-               }
-               foreach ($compacted AS $table => $values) {
-                       foreach ($values AS $field => $field_value_list) {
-                               foreach ($field_value_list AS $field_values) {
-                                       $sql = "DELETE FROM " . DBA::quoteIdentifier($table) . " WHERE " . DBA::quoteIdentifier($field) . " IN (" .
-                                              substr(str_repeat("?, ", count($field_values)), 0, -2) . ");";
+               $table_string = DBA::buildTableString($table);
 
-                                       $this->logger->info($this->replaceParameters($sql, $field_values), ['callstack' => System::callstack(6), 'internal_callstack' => $callstack]);
+               $condition_string = DBA::buildCondition($conditions);
 
-                                       if (!$this->e($sql, $field_values)) {
-                                               if ($do_transaction) {
-                                                       $this->rollback();
-                                               }
-                                               return false;
-                                       }
-                               }
-                       }
-               }
-               if ($do_transaction) {
-                       $this->commit();
-               }
-               return true;
+               $sql = "DELETE FROM " . $table_string . " " . $condition_string;
+               $this->logger->debug($this->replaceParameters($sql, $conditions), ['callstack' => System::callstack(6)]);
+               return $this->e($sql, $conditions);
        }
 
        /**
index f0f2477..4d57fe2 100644 (file)
@@ -137,14 +137,16 @@ class Relation
                        $actor = Contact::getIdForURL($contact);
                        if (!empty($actor)) {
                                if (in_array($contact, $followers)) {
-                                       $fields = ['cid' => $target, 'relation-cid' => $actor, 'follows' => true, 'follow-updated' => DateTimeFormat::utcNow()];
-                                       DBA::insert('contact-relation', $fields, Database::INSERT_UPDATE);
+                                       $condition = ['cid' => $target, 'relation-cid' => $actor];
+                                       DBA::insert('contact-relation', $condition, Database::INSERT_IGNORE);
+                                       DBA::update('contact-relation', ['follows' => true, 'follow-updated' => DateTimeFormat::utcNow()], $condition);
                                        $follower_counter++;
                                }
 
                                if (in_array($contact, $followings)) {
-                                       $fields = ['cid' => $actor, 'relation-cid' => $target, 'follows' => true, 'follow-updated' => DateTimeFormat::utcNow()];
-                                       DBA::insert('contact-relation', $fields, Database::INSERT_UPDATE);
+                                       $condition = ['cid' => $actor, 'relation-cid' => $target];
+                                       DBA::insert('contact-relation', $condition, Database::INSERT_IGNORE);
+                                       DBA::update('contact-relation', ['follows' => true, 'follow-updated' => DateTimeFormat::utcNow()], $condition);
                                        $following_counter++;
                                }
                        }
index 5cde949..ab567e0 100644 (file)
@@ -242,7 +242,7 @@ class Event
                        return;
                }
 
-               DBA::delete('event', ['id' => $event_id], ['cascade' => false]);
+               DBA::delete('event', ['id' => $event_id]);
                Logger::log("Deleted event ".$event_id, Logger::DEBUG);
        }
 
index cabb1ab..8c7515e 100644 (file)
@@ -318,14 +318,6 @@ class Item
 
                Post\DeliveryData::delete($item['uri-id']);
 
-               // When the permission set will be used in photo and events as well,
-               // this query here needs to be extended.
-               // @todo Currently deactivated. We need the permission set in the deletion process.
-               // This is a reminder to add the removal somewhere else.
-               //if (!empty($item['psid']) && !self::exists(['psid' => $item['psid'], 'deleted' => false])) {
-               //      DBA::delete('permissionset', ['id' => $item['psid']], ['cascade' => false]);
-               //}
-
                // If it's the parent of a comment thread, kill all the kids
                if ($item['gravity'] == GRAVITY_PARENT) {
                        self::markForDeletion(['parent' => $item['parent'], 'deleted' => false], $priority);
index eb709bf..6a96bb7 100644 (file)
@@ -332,7 +332,7 @@ class Community extends BaseModule
                $params = ['order' => ['commented' => true], 'limit' => $itemspage];
 
                if (!empty($item_id)) {
-                       $condition[0] .= " AND `iid` = ?";
+                       $condition[0] .= " AND `id` = ?";
                        $condition[] = $item_id;
                } else {
                        if (local_user() && !empty($_REQUEST['no_sharer'])) {
index 923f665..2a88933 100644 (file)
@@ -183,7 +183,7 @@ class Delivery
                }
 
                if (empty($items)) {
-                       Logger::log('No delivery data for  ' . $cmd . ' - Item ID: ' .$target_id . ' - Contact ID: ' . $contact_id);
+                       Logger::notice('No delivery data', ['command' => $cmd, 'uri-id' => $post_uriid, 'cid' => $contact_id]);
                }
 
                $owner = Model\User::getOwnerDataById($uid);
@@ -221,7 +221,7 @@ class Delivery
                        $contact['network'] = Protocol::DFRN;
                }
 
-               Logger::notice('Delivering', ['cmd' => $cmd, 'target' => $target_id, 'followup' => $followup, 'network' => $contact['network']]);
+               Logger::notice('Delivering', ['cmd' => $cmd, 'uri-id' => $post_uriid, 'followup' => $followup, 'network' => $contact['network']]);
 
                switch ($contact['network']) {
                        case Protocol::DFRN:
index 7a4c075..ee66abe 100644 (file)
@@ -23,6 +23,7 @@ namespace Friendica\Worker;
 
 use Friendica\Core\Logger;
 use Friendica\Database\DBA;
+use Friendica\Database\DBStructure;
 use Friendica\Model\Post;
 
 class MergeContact
@@ -48,6 +49,12 @@ class MergeContact
                DBA::update('mail', ['contact-id' => $new_cid], ['contact-id' => $old_cid]);
                DBA::update('photo', ['contact-id' => $new_cid], ['contact-id' => $old_cid]);
                DBA::update('event', ['cid' => $new_cid], ['cid' => $old_cid]);
+               if (DBStructure::existsTable('item')) {
+                       DBA::update('item', ['contact-id' => $new_cid], ['contact-id' => $old_cid]);
+               }
+               if (DBStructure::existsTable('thread')) {
+                       DBA::update('thread', ['contact-id' => $new_cid], ['contact-id' => $old_cid]);
+               }
 
                // These fields only contain public contact entries (uid = 0)
                if ($uid == 0) {
@@ -56,6 +63,16 @@ class MergeContact
                        Post::update(['author-id' => $new_cid], ['author-id' => $old_cid]);
                        Post::update(['owner-id' => $new_cid], ['owner-id' => $old_cid]);
                        Post::update(['causer-id' => $new_cid], ['causer-id' => $old_cid]);
+                       if (DBStructure::existsTable('item')) {
+                               DBA::update('item', ['author-id' => $new_cid], ['author-id' => $old_cid]);
+                               DBA::update('item', ['owner-id' => $new_cid], ['owner-id' => $old_cid]);
+                               DBA::update('item', ['causer-id' => $new_cid], ['causer-id' => $old_cid]);
+                       }
+                       if (DBStructure::existsTable('thread')) {
+                               DBA::update('thread', ['author-id' => $new_cid], ['author-id' => $old_cid]);
+                               DBA::update('thread', ['owner-id' => $new_cid], ['owner-id' => $old_cid]);
+                               DBA::update('thread', ['causer-id' => $new_cid], ['causer-id' => $old_cid]);
+                       }
                } else {
                        /// @todo Check if some other data needs to be adjusted as well, possibly the "rel" status?
                }
index e59523a..44b33fb 100644 (file)
@@ -54,6 +54,8 @@ class RemoveContact {
                        DBA::delete('item', ['contact-id' => $id]);
                }
 
+               DBA::delete('mail', ['contact-id' => $id]);
+
                Post\ThreadUser::delete(['author-id' => $id]);
                Post\ThreadUser::delete(['owner-id' => $id]);
                Post\ThreadUser::delete(['causer-id' => $id]);
index 534f350..cb84e0b 100644 (file)
@@ -46,7 +46,7 @@
  * ],
  *
  * Whenever possible prefer "foreign" before "relation" with the foreign keys.
- * "foreign" adds true foreign keys on the database level, while "relation" simulates this behaviour.
+ * "foreign" adds true foreign keys on the database level, while "relation" is just an indicator of a table relation without any consequences
  *
  * If you need to make any change, make sure to increment the DB_UPDATE_VERSION constant value below.
  *