getTable("{$this->prefix}lead_lists")->hasColumn('last_built_time')) { throw new SkipMigration("The last_built_time column has already been added to the {$this->prefix}lead_lists table."); } } private function getTable(): string { return $this->prefix.'lead_lists'; } public function up(Schema $schema): void { $table = $this->getTable(); $this->addSql(sprintf('ALTER TABLE `%s` ADD COLUMN `last_built_time` FLOAT NULL DEFAULT NULL AFTER `last_built_date`', $table)); } public function down(Schema $schema): void { $this->addSql(sprintf('ALTER TABLE `%s` DROP COLUMN `last_built_time`', $this->getTable())); } }