Issue #3427068: Fix cspell errors

Closes #3427068

modules/search_api_db/src/Plugin/search_api/backend/Database.php

@@ -801,15 +801,15 @@ class Database extends BackendPluginBase implements AutocompleteBackendInterface
    *   A column name that isn't in use in the specified table yet.
    */
   protected function findFreeColumn($table, $column) {
-    $maxbytes = 62;
+    $max_bytes = 62;
 
-    $base = $name = Unicode::truncateBytes(mb_strtolower(preg_replace('/[^a-z0-9]/i', '_', $column)), $maxbytes);
+    $base = $name = Unicode::truncateBytes(mb_strtolower(preg_replace('/[^a-z0-9]/i', '_', $column)), $max_bytes);
     // If the table does not exist yet, the initial name is not taken.
     if ($this->database->schema()->tableExists($table)) {
       $i = 0;
       while ($this->database->schema()->fieldExists($table, $name)) {
         $suffix = '_' . ++$i;
-        $name = Unicode::truncateBytes($base, $maxbytes - strlen($suffix)) . $suffix;
+        $name = Unicode::truncateBytes($base, $max_bytes - strlen($suffix)) . $suffix;
       }
     }
     return $name;
@@ -1064,15 +1064,15 @@ class Database extends BackendPluginBase implements AutocompleteBackendInterface
               $multiplier = $new_fields[$field_id]->getBoost() / $field['boost'];
               // Postgres doesn't allow multiplying an integer column with a
               // float literal, so we have to work around that.
-              $expression = 'score * :mult';
+              $expression = 'score * :multiplier';
               $args = [
-                ':mult' => $multiplier,
+                ':multiplier' => $multiplier,
               ];
               if (is_float($multiplier) && $pos = strpos("$multiplier", '.')) {
                 $expression .= ' / :div';
                 $after_point_digits = strlen("$multiplier") - $pos - 1;
                 $args[':div'] = pow(10, min(3, $after_point_digits));
-                $args[':mult'] = (int) round($args[':mult'] * $args[':div']);
+                $args[':multiplier'] = (int) round($args[':multiplier'] * $args[':div']);
               }
               $this->database->update($text_table)
                 ->expression('score', $expression, $args)
@@ -2041,8 +2041,8 @@ class Database extends BackendPluginBase implements AutocompleteBackendInterface
         if (is_array($nested) && $neg == !empty($nested['#negation'])) {
           if ($nested['#conjunction'] == $conj) {
             unset($nested['#conjunction'], $nested['#negation']);
-            foreach ($nested as $renested) {
-              $keys[] = $renested;
+            foreach ($nested as $nested_key) {
+              $keys[] = $nested_key;
             }
             unset($keys[$i]);
           }
@@ -3053,9 +3053,9 @@ class Database extends BackendPluginBase implements AutocompleteBackendInterface
         ->having('COUNT(DISTINCT [t].[item_id]) <= :max', [':max' => $max_occurrences])
         ->orderBy('results', 'DESC')
         ->range(0, $limit);
-      $incomp_len = strlen($incomplete_key);
+      $incomplete_key_len = strlen($incomplete_key);
       foreach ($db_query->execute() as $row) {
-        $suffix = ($pass == 1) ? substr($row->word, $incomp_len) : ' ' . $row->word;
+        $suffix = ($pass == 1) ? substr($row->word, $incomplete_key_len) : ' ' . $row->word;
         $suggestions[] = $factory->createFromSuggestionSuffix($suffix, $row->results);
       }
     }