laskoviymishka commented on code in PR #1130:
URL: https://github.com/apache/iceberg-go/pull/1130#discussion_r3305884678
##########
table/substrait/substrait.go:
##########
@@ -258,6 +260,15 @@ func toByteSliceSubstraitLiteral[T []byte | types.UUID](v
T) expr.Literal {
return expr.NewByteSliceLiteral(v, false)
}
+// hostIsLittleEndian reports whether decimal128.Num's in-memory layout already
+// matches the Substrait 16-byte little-endian two's-complement encoding. True
+// on x86, arm64, and other LE architectures; false on s390x and other BE.
+var hostIsLittleEndian = func() bool {
+ var probe uint16 = 1
+
+ return *(*byte)(unsafe.Pointer(&probe)) == 1
+}()
Review Comment:
want to avoid extra file :)
but yeah, this make sense
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