- if (!isset($schemadef['fields']['lat'])
- && !isset($schemadef['fields']['lon'])
- && !isset($schemadef['fields']['location_id'])
- && !isset($schemadef['fields']['location_ns'])) {
- // We have already removed the location fields, so no need to migrate.
- return;
- }
- // Then we make sure the Notice_location table is created!
- $schema->ensureTable('notice_location', Notice_location::schemaDef());
-
- // Then we continue on our road to migration!
- echo "\nFound old $table table, moving location data to 'notice_location' table... (this will probably take a LONG time, but can be aborted and continued)";
-
- $notice = new Notice();
- $notice->query(sprintf('SELECT id, lat, lon, location_id, location_ns FROM %1$s ' .
- 'WHERE lat IS NOT NULL ' .
- 'OR lon IS NOT NULL ' .
- 'OR location_id IS NOT NULL ' .
- 'OR location_ns IS NOT NULL',
- $schema->quoteIdentifier($table)));
- print "\nFound {$notice->N} notices with location data, inserting";
- while ($notice->fetch()) {
- $notloc = Notice_location::getKV('notice_id', $notice->id);
- if ($notloc instanceof Notice_location) {
- print "-";
- continue;
+ if (isset($schemadef['fields']['lat'])
+ && isset($schemadef['fields']['lon'])
+ && isset($schemadef['fields']['location_id'])
+ && isset($schemadef['fields']['location_ns'])) {
+ // Then we make sure the Notice_location table is created!
+ $schema->ensureTable('notice_location', Notice_location::schemaDef());
+
+ // Then we continue on our road to migration!
+ echo "\nFound old $table table, moving location data to 'notice_location' table... (this will probably take a LONG time, but can be aborted and continued)";
+
+ $notice = new Notice();
+ $notice->query(sprintf('SELECT id, lat, lon, location_id, location_ns FROM %1$s ' .
+ 'WHERE lat IS NOT NULL ' .
+ 'OR lon IS NOT NULL ' .
+ 'OR location_id IS NOT NULL ' .
+ 'OR location_ns IS NOT NULL',
+ $schema->quoteIdentifier($table)));
+ print "\nFound {$notice->N} notices with location data, inserting";
+ while ($notice->fetch()) {
+ $notloc = Notice_location::getKV('notice_id', $notice->id);
+ if ($notloc instanceof Notice_location) {
+ print "-";
+ continue;
+ }
+ $notloc = new Notice_location();
+ $notloc->notice_id = $notice->id;
+ $notloc->lat= $notice->lat;
+ $notloc->lon= $notice->lon;
+ $notloc->location_id= $notice->location_id;
+ $notloc->location_ns= $notice->location_ns;
+ $notloc->insert();
+ print ".";
+ }
+ print "\n";
+ }
+
+ /**
+ * Make sure constraints are met before upgrading, if foreign keys
+ * are not already in use.
+ * 2016-03-31
+ */
+ if (!isset($schemadef['foreign keys'])) {
+ $newschemadef = self::schemaDef();
+ printfnq("\nConstraint checking Notice table...\n");
+ /**
+ * Improve typing and make sure no NULL values in any id-related columns are 0
+ * 2016-03-31
+ */
+ foreach (['reply_to', 'repeat_of'] as $field) {
+ $notice = new Notice(); // reset the object
+ $notice->query(sprintf('UPDATE %1$s SET %2$s=NULL WHERE %2$s=0', $notice->escapedTableName(), $field));
+ // Now we're sure that no Notice entries have repeat_of=0, only an id > 0 or NULL
+ unset($notice);
+ }
+
+ /**
+ * This Will find foreign keys which do not fulfill the constraints and fix
+ * where appropriate, such as delete when "repeat_of" ID not found in notice.id
+ * or set to NULL for "reply_to" in the same case.
+ * 2016-03-31
+ *
+ * XXX: How does this work if we would use multicolumn foreign keys?
+ */
+ foreach (['reply_to' => 'reset', 'repeat_of' => 'delete', 'profile_id' => 'delete'] as $field=>$action) {
+ $notice = new Notice();
+
+ $fkeyname = $notice->tableName().'_'.$field.'_fkey';
+ assert(isset($newschemadef['foreign keys'][$fkeyname]));
+ assert($newschemadef['foreign keys'][$fkeyname]);
+
+ $foreign_key = $newschemadef['foreign keys'][$fkeyname];
+ $fkeytable = $foreign_key[0];
+ assert(isset($foreign_key[1][$field]));
+ $fkeycol = $foreign_key[1][$field];
+
+ printfnq("* {$fkeyname} ({$field} => {$fkeytable}.{$fkeycol})\n");
+
+ // NOTE: Above we set all repeat_of to NULL if they were 0, so this really gets them all.
+ $notice->whereAdd(sprintf('%1$s NOT IN (SELECT %2$s FROM %3$s)', $field, $fkeycol, $fkeytable));
+ if ($notice->find()) {
+ printfnq("\tFound {$notice->N} notices with {$field} NOT IN notice.id, {$action}ing...");
+ switch ($action) {
+ case 'delete': // since it's a directly dependant notice for an unknown ID we don't want it in our DB
+ while ($notice->fetch()) {
+ $notice->delete();
+ }
+ break;
+ case 'reset': // just set it to NULL to be compatible with our constraints, if it was related to an unknown ID
+ $ids = [];
+ foreach ($notice->fetchAll('id') as $id) {
+ settype($id, 'int');
+ $ids[] = $id;
+ }
+ unset($notice);
+ $notice = new Notice();
+ $notice->query(sprintf('UPDATE %1$s SET %2$s=NULL WHERE id IN (%3$s)',
+ $notice->escapedTableName(),
+ $field,
+ implode(',', $ids)));
+ break;
+ default:
+ throw new ServerException('The programmer sucks, invalid action name when fixing table.');
+ }
+ printfnq("DONE.\n");
+ }
+ unset($notice);