pola-rs/polars · error

could not parse table width argument

Error message

could not parse table width argument

What it means

Error "could not parse table width argument" thrown in pola-rs/polars.

Source

Thrown at crates/polars-core/src/fmt.rs:742

                                &ellipsis,
                                padding,
                            );
                            table.add_row(row_strings);
                        } else {
                            break;
                        }
                    }
                }
            } else if height > 0 {
                let dots: Vec<String> = vec![ellipsis; self.width()];
                table.add_row(dots);
            }
            let tbl_fallback_width = 100;
            let tbl_width = std::env::var("POLARS_TABLE_WIDTH")
                .map(|s| {
                    let n = s
                        .parse::<i64>()
                        .expect("could not parse table width argument");
                    let w = if n < 0 {
                        u16::MAX
                    } else {
                        u16::try_from(n).expect("table width argument does not fit in u16")
                    };
                    Some(w)
                })
                .unwrap_or(None);

            // column width constraints
            let col_width_exact =
                |w: usize| ColumnConstraint::Absolute(comfy_table::Width::Fixed(w as u16));
            let col_width_bounds = |l: usize, u: usize| ColumnConstraint::Boundaries {
                lower: Width::Fixed(l as u16),
                upper: Width::Fixed(u as u16),
            };
            let min_col_width = std::cmp::max(5, 3 + padding);
            for (idx, elem_len) in max_elem_lengths.iter().enumerate() {

View on GitHub (pinned to df599052da)

When it happens

Trigger: Thrown at crates/polars-core/src/fmt.rs:742 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of pola-rs/polars@df599052da (2026-08-16). Data as JSON: /api/errors/1ba99304adf63a7a. Report an issue: GitHub.