be aware of scrollable cursors; sqlite doesn't support them

ext/pdo_sqlite/sqlite_driver.c

@@ -123,6 +123,12 @@ static int sqlite_handle_preparer(pdo_dbh_t *dbh, const char *sql, long sql_len,
 	stmt->driver_data = S;
 	stmt->methods = &sqlite_stmt_methods;
 
+	if (PDO_CURSOR_FWDONLY != pdo_attr_lval(driver_options, PDO_ATTR_CURSOR, PDO_CURSOR_FWDONLY TSRMLS_CC)) {
+		H->einfo.errcode = SQLITE_ERROR;
+		pdo_sqlite_error(dbh);
+		return 0;
+	}
+
 	i = sqlite3_prepare(H->db, sql, sql_len, &S->stmt, &tail);
 	if (i == SQLITE_OK) {
 		return 1;

ext/pdo_sqlite/sqlite_statement.c

@@ -122,7 +122,8 @@ static int pdo_sqlite_stmt_param_hook(pdo_stmt_t *stmt, struct pdo_bound_param_d
 	return 1;
 }
 
-static int pdo_sqlite_stmt_fetch(pdo_stmt_t *stmt TSRMLS_DC)
+static int pdo_sqlite_stmt_fetch(pdo_stmt_t *stmt,
+	enum pdo_fetch_orientation ori, long offset TSRMLS_DC)
 {
 	pdo_sqlite_stmt *S = (pdo_sqlite_stmt*)stmt->driver_data;
 	int i;