BoundsError: attempt to access 0-element Vector{Vector{UInt8}} at index [1]

[ForceBru]

The BoundsError persists in Arrow v2.8.1.

Here's a BoundsError: attempt to access 0-element Vector{Vector{UInt8}} at index [1]:

python
>> from random import randint; col=[randint(1,500) for _ in range(100)]; print(col); import polars as pl; pl.DataFrame({'more': ['नमस्ते'*i for i in col],'text':['k'*i for i in col]}).write_ipc("long.arrow")
[232, 143, 235, 324, 105, 114, 47, 455, 111, 132, 125, 327, 249, 355, 317, 156, 312, 481, 107, 404, 493, 343, 41, 430, 1, 13, 107, 125, 114, 172, 443, 307, 328, 331, 318, 292, 327, 175, 41, 483, 147, 340, 309, 346, 414, 333, 103, 147, 143, 335, 132, 88, 409, 473, 45, 108, 112, 282, 150, 334, 261, 428, 316, 385, 157, 458, 348, 207, 444, 140, 425, 69, 500, 222, 472, 35, 170, 431, 11, 125, 484, 346, 187, 441, 108, 237, 18, 466, 128, 467, 466, 391, 310, 318, 171, 331, 450, 90, 194, 465]
julia --project -e "using DataFrames; import Arrow; Arrow.Table(\"long.arrow\") |> DataFrame |> display"
ERROR: BoundsError: attempt to access 0-element Vector{Vector{UInt8}} at index [1]
Stacktrace:
  [1] throw_boundserror(A::Vector{Vector{UInt8}}, I::Tuple{Int64})
    @ Base ./essentials.jl:14
  [2] getindex
    @ ./essentials.jl:916 [inlined]
  [3] getindex(l::Arrow.View{Union{Missing, String}}, i::Int64)
    @ Arrow ~/.julia/packages/Arrow/3GbnS/src/arraytypes/views.jl:61
  [4] getindex
    @ ~/.julia/packages/DataFrames/kcA9R/src/dataframe/dataframe.jl:517 [inlined]
  [5] _pretty_tables_highlighter_func(data::DataFrame, i::Int64, j::Int64)
    @ DataFrames ~/.julia/packages/DataFrames/kcA9R/src/abstractdataframe/prettytables.jl:13
  [6] _text_process_data_cell(ptable::PrettyTables.ProcessedTable, cell_data::PrettyTables.UndefinedCell, cell_str::String, i::Int64, j::Int64, l::Int64, column_width::Int64, crayon::Crayons.Crayon, alignment::Symbol, highlighters::Ref{Any})
    @ PrettyTables ~/.julia/packages/PrettyTables/oVZqx/src/backends/text/print_cell.jl:108
  [7] _text_print_table!(display::PrettyTables.Display, ptable::PrettyTables.ProcessedTable, table_str::Matrix{Vector{String}}, actual_columns_width::Vector{Int64}, continuation_row_line::Int64, num_lines_in_row::Vector{Int64}, num_lines_around_table::Int64, body_hlines::Vector{Int64}, body_hlines_format::NTuple{4, Char}, continuation_row_alignment::Symbol, ellipsis_line_skip::Int64, highlighters::Ref{Any}, hlines::Vector{Int64}, tf::PrettyTables.TextFormat, text_crayons::PrettyTables.TextCrayons{Crayons.Crayon, Crayons.Crayon}, vlines::Vector{Int64})
    @ PrettyTables ~/.julia/packages/PrettyTables/oVZqx/src/backends/text/print_table.jl:237
  [8] _print_table_with_text_back_end(pinfo::PrettyTables.PrintInfo; alignment_anchor_fallback::Symbol, alignment_anchor_fallback_override::Dict{Int64, Symbol}, alignment_anchor_regex::Dict{Int64, Vector{Regex}}, autowrap::Bool, body_hlines::Vector{Int64}, body_hlines_format::Nothing, continuation_row_alignment::Symbol, crop::Symbol, crop_subheader::Bool, columns_width::Int64, display_size::Tuple{Int64, Int64}, equal_columns_width::Bool, ellipsis_line_skip::Int64, highlighters::Tuple{PrettyTables.Highlighter}, hlines::Vector{Symbol}, linebreaks::Bool, maximum_columns_width::Vector{Int64}, minimum_columns_width::Int64, newline_at_end::Bool, overwrite::Bool, reserved_display_lines::Int64, show_omitted_cell_summary::Bool, sortkeys::Bool, tf::PrettyTables.TextFormat, title_autowrap::Bool, title_same_width_as_table::Bool, vcrop_mode::Symbol, vlines::Vector{Int64}, border_crayon::Crayons.Crayon, header_crayon::Crayons.Crayon, omitted_cell_summary_crayon::Crayons.Crayon, row_label_crayon::Crayons.Crayon, row_label_header_crayon::Crayons.Crayon, row_number_header_crayon::Crayons.Crayon, subheader_crayon::Crayons.Crayon, text_crayon::Crayons.Crayon, title_crayon::Crayons.Crayon)
    @ PrettyTables ~/.julia/packages/PrettyTables/oVZqx/src/backends/text/text_backend.jl:371
  [9] _print_table(io::IO, data::Any; alignment::Vector{Symbol}, backend::Val{:auto}, cell_alignment::Nothing, cell_first_line_only::Bool, compact_printing::Bool, formatters::Tuple{typeof(DataFrames._pretty_tables_general_formatter)}, header::Tuple{Vector{String}, Vector{String}}, header_alignment::Symbol, header_cell_alignment::Nothing, limit_printing::Bool, max_num_of_columns::Int64, max_num_of_rows::Int64, renderer::Symbol, row_labels::Nothing, row_label_alignment::Symbol, row_label_column_title::String, row_number_alignment::Symbol, row_number_column_title::String, show_header::Bool, show_row_number::Bool, show_subheader::Bool, title::String, title_alignment::Symbol, kwargs::@Kwargs{alignment_anchor_fallback::Symbol, alignment_anchor_regex::Dict{Int64, Vector{Regex}}, crop::Symbol, ellipsis_line_skip::Int64, hlines::Vector{Symbol}, highlighters::Tuple{PrettyTables.Highlighter}, maximum_columns_width::Vector{Int64}, newline_at_end::Bool, reserved_display_lines::Int64, row_label_crayon::Crayons.Crayon, vcrop_mode::Symbol, vlines::Vector{Int64}})
    @ PrettyTables ~/.julia/packages/PrettyTables/oVZqx/src/print.jl:1059
 [10] _print_table
    @ ~/.julia/packages/PrettyTables/oVZqx/src/print.jl:934 [inlined]
 [11] #pretty_table#62
    @ ~/.julia/packages/PrettyTables/oVZqx/src/print.jl:825 [inlined]
 [12] pretty_table
    @ ~/.julia/packages/PrettyTables/oVZqx/src/print.jl:794 [inlined]
 [13] _show(io::Base.TTY, df::DataFrame; allrows::Bool, allcols::Bool, rowlabel::Symbol, summary::Bool, eltypes::Bool, rowid::Nothing, truncate::Int64, kwargs::@Kwargs{})
    @ DataFrames ~/.julia/packages/DataFrames/kcA9R/src/abstractdataframe/show.jl:253
 [14] _show
    @ ~/.julia/packages/DataFrames/kcA9R/src/abstractdataframe/show.jl:147 [inlined]
 [15] #show#871
    @ ~/.julia/packages/DataFrames/kcA9R/src/abstractdataframe/show.jl:352 [inlined]
 [16] show
    @ ~/.julia/packages/DataFrames/kcA9R/src/abstractdataframe/show.jl:339 [inlined]
 [17] show(io::Base.TTY, mime::MIME{Symbol("text/plain")}, df::DataFrame)
    @ DataFrames ~/.julia/packages/DataFrames/kcA9R/src/abstractdataframe/io.jl:150
 [18] display(d::TextDisplay, M::MIME{Symbol("text/plain")}, x::Any)
    @ Base.Multimedia ./multimedia.jl:254
 [19] display
    @ ./multimedia.jl:255 [inlined]
 [20] display(x::Any)
    @ Base.Multimedia ./multimedia.jl:340
 [21] |>(x::DataFrame, f::typeof(display))
    @ Base ./operators.jl:926
 [22] top-level scope
    @ none:1

Originally posted by @ForceBru in #540