BGEN uses sample order from the query, but VCF/BCF/PGEN uses order in file
Usage
# S4 method for class 'GenomicDataStream'
rownames(x, do.NULL = TRUE, prefix = "row")
Examples
file <- system.file("extdata", "test.vcf.gz", package = "GenomicDataStream")
obj <- GenomicDataStream(file, "DS", init=TRUE)
rownames(obj)
#> NULL