function build()

in src/table.jl [937:967]

• 31 lines of code
• 1 McCabe index (conditional complexity)

function build(
    f::Meta.Field,
    L::Meta.Map,
    batch,
    rb,
    de,
    nodeidx,
    bufferidx,
    varbufferidx,
    convert,
)
    @debug "building array: L = $L"
    validity = buildbitmap(batch, rb, nodeidx, bufferidx)
    bufferidx += 1
    buffer = rb.buffers[bufferidx]
    ooff = batch.pos + buffer.offset
    OT = Int32
    bytes, offs = reinterp(OT, batch, buffer, rb.compression)
    offsets = Offsets(bytes, offs)
    bufferidx += 1
    len = rb.nodes[nodeidx].length
    nodeidx += 1
    A, nodeidx, bufferidx, varbufferidx =
        build(f.children[1], batch, rb, de, nodeidx, bufferidx, varbufferidx, convert)
    meta = buildmetadata(f.custom_metadata)
    T = juliaeltype(f, meta, convert)
    return Map{T,OT,typeof(A)}(validity, offsets, A, len, meta),
    nodeidx,
    bufferidx,
    varbufferidx
end