jiayuasu commented on code in PR #10981:
URL: https://github.com/apache/iceberg/pull/10981#discussion_r1890911527
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format/spec.md:
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@@ -584,8 +589,8 @@ The schema of a manifest file is a struct called
`manifest_entry` with the follo
| _optional_ | _optional_ | _optional_ | **`110 null_value_counts`** |
`map<121: int, 122: long>` |
Map from column id to number of null values in the column
|
| _optional_ | _optional_ | _optional_ | **`137 nan_value_counts`** |
`map<138: int, 139: long>` |
Map from column id to number of NaN values in the column
|
| _optional_ | _optional_ | _optional_ | **`111 distinct_counts`** |
`map<123: int, 124: long>` |
Map from column id to number of distinct values in the column; distinct counts
must be derived using values in the file by counting or using sketches, but not
using methods like merging existing distinct counts |
-| _optional_ | _optional_ | _optional_ | **`125 lower_bounds`** |
`map<126: int, 127: binary>` |
Map from column id to lower bound in the column serialized as binary [1]. Each
value must be less than or equal to all non-null, non-NaN values in the column
for the file [2] |
-| _optional_ | _optional_ | _optional_ | **`128 upper_bounds`** |
`map<129: int, 130: binary>` |
Map from column id to upper bound in the column serialized as binary [1]. Each
value must be greater than or equal to all non-null, non-Nan values in the
column for the file [2] |
+| _optional_ | _optional_ | _optional_ | **`125 lower_bounds`** |
`map<126: int, 127: binary>` |
Map from column id to lower bound in the column serialized as binary [1]. Each
value must be less than or equal to all non-null, non-NaN values in the column
for the file [2]. See [7] for`geometry` and [8] for `geography`. |
+| _optional_ | _optional_ | _optional_ | **`128 upper_bounds`** |
`map<129: int, 130: binary>` |
Map from column id to upper bound in the column serialized as binary [1]. Each
value must be greater than or equal to all non-null, non-Nan values in the
column for the file [2]. See [9] for `geometry` and [10] for `geography`. |
Review Comment:
@szehon-ho We do not allow planar edge algorithm in Geography type.
Geography type only allows GeographicCRS and one of the given non-planar
edge algorithms.
Geometry type allows all CRSs but only allows the planar edge algorithm.
The anti-meridian crossing issue can happen to both types so I think it
makes sense to allow them in the bbox of both types.
And, yes, I think you should collapse 7+8 and 9+10.
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