skipAssertion(function (Schema $schema) { return $schema->getTable($this->getTableName())->hasIndex($this->getIndexName()); }, sprintf('The index "%s" has already been added to the table "%s".', $this->getIndexName(), $this->getTableName())); } public function up(Schema $schema): void { $this->addSql(sprintf('CREATE INDEX %s ON %s (date_added)', $this->getIndexName(), $this->getTableName())); } private function getTableName(): string { return "{$this->prefix}lead_stages_change_log"; } private function getIndexName(): string { return "{$this->prefix}lead_stages_change_log_date_added"; } }