fix
diff --git a/src/arraytypes/arraytypes.jl b/src/arraytypes/arraytypes.jl
index df33726..f08ef8d 100644
--- a/src/arraytypes/arraytypes.jl
+++ b/src/arraytypes/arraytypes.jl
@@ -33,7 +33,7 @@
function toarrowvector(x, i=1, de=Dict{Int64, Any}(), ded=DictEncoding[], meta=getmetadata(x); compression::Union{Nothing, Vector{LZ4FrameCompressor}, LZ4FrameCompressor, Vector{ZstdCompressor}, ZstdCompressor}=nothing, kw...)
@debug 2 "converting top-level column to arrow format: col = $(typeof(x)), compression = $compression, kw = $(kw.data)"
@debug 3 x
- if eltype(x).name.name === :CategoricalPool
+ if eltype(x) isa DataType && eltype(x).name.name === :CategoricalPool
error("CategoricalPool is a recursive data structure and not allowed for serializing; ensure data (`tbl`) passed to `Arrow.write(_, tbl)` is a valid Tables.jl table")
end
A = arrowvector(x, i, 0, 0, de, ded, meta; compression=compression, kw...)
