Anonymization - Mysql 8.0 - fix addAnonymizerIdColumnMySql: 'CREATE FUNCTION IF NOT EXISTS' is not stricly compatible with MYSQL 8.0 (beginning with MySQL 8.0.29)

Author: SimonMellerin

src/Anonymization/Anonymizator.php

@@ -687,7 +687,7 @@ protected function addAnonymizerIdColumnMySql(string $table): void
             } else {
                 $this->databaseSession->executeStatement(
                     <<<SQL
-                    CREATE FUNCTION IF NOT EXISTS ?::id() RETURNS BIGINT
+                    CREATE FUNCTION ?::id() RETURNS BIGINT
                     DETERMINISTIC
                     BEGIN
                         SELECT `value` + 1 INTO @value FROM ?::table LIMIT 1;