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Spec: Add _deleted, _spec_id, _partition metadata columns #3190

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Merged
aokolnychyi merged 2 commits into from
Sep 27, 2021
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Spec: Add _deleted, _spec_id, _partition metadata columns #3190

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Spec: Add _deleted, _spec_id, _partition metadata columns
aokolnychyi Sep 27, 2021
abf8daa
Fix typo
aokolnychyi Sep 27, 2021
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3 changes: 3 additions & 0 deletions site/docs/spec.md
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Expand Up @@ -232,6 +232,9 @@ The set of metadata columns is:
|-----------------------------|---------------|-------------|
| **`2147483646 _file`** | `string` | Path of the file in which a row is stored |
| **`2147483645 _pos`** | `long` | Ordinal position of a row in the source data file |
| **`2147483644 _deleted`** | `boolean` | Whether the row has been deleted |
| **`2147483643 _spec_id`** | `int` | Spec ID used to track the file containing a row |
| **`2147483642 _partition`** | `struct` | Partition to which a row belongs |
| **`2147483546 file_path`** | `string` | Path of a file, used in position-based delete files |
| **`2147483545 pos`** | `long` | Ordinal position of a row, used in position-based delete files |
| **`2147483544 row`** | `struct<...>` | Deleted row values, used in position-based delete files |
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