RussellSpitzer commented on code in PR #9345:
URL: https://github.com/apache/iceberg/pull/9345#discussion_r1439682666
##########
format/spec.md:
##########
@@ -318,7 +318,7 @@ Partition field IDs must be reused if an existing partition
spec contains an equ
| **`truncate[W]`** | Value truncated to width `W` (see below)
| `int`, `long`, `decimal`, `string`
| Source type |
| **`year`** | Extract a date or timestamp year, as years from 1970
| `date`, `timestamp`, `timestamptz`, `timestamp_ns`, `timestamptz_ns`
| `int` |
| **`month`** | Extract a date or timestamp month, as months from
1970-01-01 | `date`, `timestamp`, `timestamptz`, `timestamp_ns`,
`timestamptz_ns` | `int` |
-| **`day`** | Extract a date or timestamp day, as days from 1970-01-01
| `date`, `timestamp`, `timestamptz`, `timestamp_ns`, `timestamptz_ns`
| `int` |
+| **`day`** | Extract a date or timestamp day, as days from 1970-01-01
| `date`, `timestamp`, `timestamptz`, `timestamp_ns`, `timestamptz_ns`
| `date` |
Review Comment:
Agree with Fokko, this is a description of the transform which takes a date
or timestamp and produces and int. If you are implementing this transform and
return the implementation would be incorrect. Now if you implement this
function and display the output as a different type (like the metadata table)
that's fine.
##########
format/spec.md:
##########
@@ -318,7 +318,7 @@ Partition field IDs must be reused if an existing partition
spec contains an equ
| **`truncate[W]`** | Value truncated to width `W` (see below)
| `int`, `long`, `decimal`, `string`
| Source type |
| **`year`** | Extract a date or timestamp year, as years from 1970
| `date`, `timestamp`, `timestamptz`, `timestamp_ns`, `timestamptz_ns`
| `int` |
| **`month`** | Extract a date or timestamp month, as months from
1970-01-01 | `date`, `timestamp`, `timestamptz`, `timestamp_ns`,
`timestamptz_ns` | `int` |
-| **`day`** | Extract a date or timestamp day, as days from 1970-01-01
| `date`, `timestamp`, `timestamptz`, `timestamp_ns`, `timestamptz_ns`
| `int` |
+| **`day`** | Extract a date or timestamp day, as days from 1970-01-01
| `date`, `timestamp`, `timestamptz`, `timestamp_ns`, `timestamptz_ns`
| `date` |
Review Comment:
Agree with Fokko, this is a description of the transform which takes a date
or timestamp and produces an int. If you are implementing this transform and
return the implementation would be incorrect. Now if you implement this
function and display the output as a different type (like the metadata table)
that's fine.
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