gistfile1.txt

> tiledbsoma::show_package_versions()
tiledbsoma:    1.5.0
tiledb-r:      0.21.2
tiledb core:   2.17.4
libtiledbsoma: libtiledb=2.17.4
R:             R version 4.3.0 (2023-04-21)
OS:            macOS 14.0

> exp <- SOMAExperimentOpen('s3://tiledb-johnkerl/s/v/pbmc3k')

> exp$obs$schema()
Schema
soma_joinid: int64 not null
obs_id: string not null
n_genes: int64 not null
percent_mito: float not null
n_counts: float not null
louvain: dictionary<values=string, indices=int8> not null

> exp$obs$read(value_filter='n_genes > 500')$concat()
Table
2450 rows x 6 columns
$soma_joinid <int64 not null>
$obs_id <large_string not null>
$n_genes <int64 not null>
$percent_mito <float not null>
$n_counts <float not null>
$louvain <dictionary<values=string, indices=int8> not null>

> exp$obs$read(value_filter='louvain == "B cells"')$concat()
Error: C API: TileDB Internal, std::exception; Enumeration value not found for field 'louvain'
In addition: Warning message:
In stopifnot(`Argument 'qc' with query condition object required` = inherits(qc,  :
  NAs introduced by coercion