pub fn count_rows(
path: &Path,
separator: u8,
quote_char: Option<u8>,
comment_prefix: Option<&CommentPrefix>,
eol_char: u8,
has_header: bool,
skip_lines: usize,
skip_rows_before_header: usize,
skip_rows_after_header: usize,
) -> Result<usize, PolarsError>Expand description
Read the number of rows without parsing columns useful for count(*) queries