scovich commented on code in PR #523: URL: https://github.com/apache/parquet-format/pull/523#discussion_r2430239208
##########
VariantShredding.md:
##########
@@ -214,9 +214,9 @@ The table below shows how the series of objects in the
first column would be sto
| `{ }`
| null | non-null | null
| null | null
| null | Object is present but empty
|
| null
| `00` (null) | null |
| |
| | Object/value is null
|
| missing
| null | null |
| |
| | Object/value is missing
|
-| INVALID
| `{"event_type": "login"}` | non-null | null
| `login` | null
| 1729795057774 | INVALID: Shredded field is present in
`value` |
-| INVALID
| `"a"` | non-null | null
| null | null
| null | INVALID: `typed_value` is present for
non-object |
-| INVALID
| `02 00` (object with 0 fields) | null |
| |
| | INVALID: `typed_value` is null for
object |
+| INVALID CASE: `{"event_type": "login", "event_ts": 1729795057774}`
| `{"event_type": "login"}` | non-null | null
| `login` | null
| 1729795057774 | INVALID: Shredded field is present in
`value` |
+| INVALID CASE: `"a"`
| `"a"` | non-null | null
| null | null
| null | INVALID: `typed_value` is present for
non-object |
+| INVALID CASE: `{}`
| `02 00` (object with 0 fields) | null |
| |
| | INVALID: `typed_value` is null for
object |
Review Comment:
> For the first point, can we say that that the following is correct:
> [`value` of a perfectly shredded object is a variant object with no fields
instead of NULL]
That's exactly my question... it's sub-optimal, but well-defined, and and
I'm not immediately seeing why it would confuse or break readers?
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