Fix bug where inline bytes weren't valid for Utf8View data (#548)

Fixed a follow up bug to #511

Author: quinnj

src/table.jl

@@ -881,7 +881,8 @@ function build(
     validity = buildbitmap(batch, rb, nodeidx, bufferidx)
     bufferidx += 1
     buffer = rb.buffers[bufferidx]
-    inline, views = reinterp(ViewElement, batch, buffer, rb.compression)
+    _, views = reinterp(ViewElement, batch, buffer, rb.compression)
+    inline = reinterpret(UInt8, views)  # reuse the (possibly realigned) memory backing `views`
     bufferidx += 1
     buffers = Vector{UInt8}[]
     for i = 1:rb.variadicBufferCounts[varbufferidx]

test/reject_reason_trimmed.arrow

@@ -1069,6 +1069,16 @@ end
             tbl = Arrow.Table(Arrow.tobuffer(tt[2]))
             @test tbl.col16[1] == Dates.Time(0, 0, 0)
         end
+
+        @testset "#511: Bug in reading Utf8View data" begin
+            t = Arrow.Table(
+                joinpath(
+                    dirname(pathof(Arrow)),
+                    "../test/reject_reason_trimmed.arrow",
+                ),
+            )
+            @test t.reject_reason[end] == "POST_ONLY"
+        end
     end # @testset "misc"
 
     @testset "DataAPI.metadata" begin