PDO::pgsqlCopyFromFile (PHP 5 >= 5.3.3, PHP 7, PHP 8)PDO::pgsqlCopyFromFile — 别名 Pdo\Pgsql::copyFromFile() 说明 public PDO::pgsqlCopyFromFile( string $tableName, string $filename, string $separator = "\t", string $nullAs = "\\\\N", ?string $fields = null): bool 此方法是该方法的别名: Pdo\Pgsql::copyFromFile().