advancedxy commented on code in PR #8579:
URL: https://github.com/apache/iceberg/pull/8579#discussion_r1451447151
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format/spec.md:
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@@ -1060,6 +1076,14 @@ The types below are not currently valid for bucketing,
and so are not hashed. Ho
| **`float`** | `hashLong(doubleToLongBits(double(v))` [4]| `1.0F` ￫
`-142385009`, `0.0F` ￫ `1669671676`, `-0.0F` ￫ `1669671676` |
| **`double`** | `hashLong(doubleToLongBits(v))` [4]| `1.0D` ￫
`-142385009`, `0.0D` ￫ `1669671676`, `-0.0D` ￫ `1669671676` |
+For multi-arg hash function, the hash value is the result of `hashBytes` on
the concatenation of the bytes of the arguments. NULL input is ignored.
+
+| Struct examples | Hash Specification
| Test value
|
+|------------------------------------|---------------------------------------------------------------------------------------|------------------------------------------------------------|
Review Comment:
good point, will fix it.
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