deprecating Drupal\Core\Database\Connection::prefixTable(table)

deprecating Drupal\Core\Database\Connection::prefixTable(table) and creating Drupal\Core\Database\Connection::getPrefix()

Closes #3257201

core/lib/Drupal/Core/Database/Connection.php

@@ -365,6 +365,15 @@ public function getConnectionOptions() {
   public function attachDatabase(string $database): void {
   }
 
+  /**
+   * Returns the prefix of the tables.
+   *
+   * @return string $prefix
+   */
+  public function getPrefix(): string {
+    return $this->prefix;
+  }
+
   /**
    * Set the prefix used by this database connection.
    *
@@ -430,8 +439,14 @@ public function quoteIdentifiers($sql) {
    *
    * @param string $table
    *   (optional) The table to find the prefix for.
+   *
+   * @deprecated in drupal:10.1.0 and is removed from drupal:11.0.0.
+   * Instead, you should just use Connection::getPrefix().
+   *
+   * @see https://www.drupal.org/node/3260849
    */
   public function tablePrefix($table = 'default') {
+    @trigger_error(__METHOD__ . '() is deprecated in drupal:10.1.0 and is removed from drupal:11.0.0. Instead, you should just use Connection::getPrefix(). See https://www.drupal.org/node/3260849', E_USER_DEPRECATED);
     return $this->prefix;
   }
 
@@ -462,7 +477,7 @@ public function getUnprefixedTablesMap() {
    */
   public function getFullQualifiedTableName($table) {
     $options = $this->getConnectionOptions();
-    $prefix = $this->tablePrefix($table);
+    $prefix = $this->getPrefix();
     return $options['database'] . '.' . $prefix . $table;
   }