alamb commented on code in PR #10924:
URL: https://github.com/apache/datafusion/pull/10924#discussion_r1641271813
##########
datafusion/sqllogictest/test_files/explain.slt:
##########
@@ -287,20 +287,20 @@ query TT
EXPLAIN SELECT * FROM alltypes_plain limit 10;
----
physical_plan
-01)GlobalLimitExec: skip=0, fetch=10, statistics=[Rows=Exact(8), Bytes=Absent,
[(Col[0]:),(Col[1]:),(Col[2]:),(Col[3]:),(Col[4]:),(Col[5]:),(Col[6]:),(Col[7]:),(Col[8]:),(Col[9]:),(Col[10]:)]]
-02)--ParquetExec: file_groups={1 group:
[[WORKSPACE_ROOT/parquet-testing/data/alltypes_plain.parquet]]},
projection=[id, bool_col, tinyint_col, smallint_col, int_col, bigint_col,
float_col, double_col, date_string_col, string_col, timestamp_col], limit=10,
statistics=[Rows=Exact(8), Bytes=Absent,
[(Col[0]:),(Col[1]:),(Col[2]:),(Col[3]:),(Col[4]:),(Col[5]:),(Col[6]:),(Col[7]:),(Col[8]:),(Col[9]:),(Col[10]:)]]
+01)GlobalLimitExec: skip=0, fetch=10, statistics=[Rows=Exact(8), Bytes=Absent,
[(Col[0]: Null=Exact(0)),(Col[1]: Null=Exact(0)),(Col[2]:
Null=Exact(0)),(Col[3]: Null=Exact(0)),(Col[4]: Null=Exact(0)),(Col[5]:
Null=Exact(0)),(Col[6]: Null=Exact(0)),(Col[7]: Null=Exact(0)),(Col[8]:
Null=Exact(0)),(Col[9]: Null=Exact(0)),(Col[10]: Null=Exact(0))]]
+02)--ParquetExec: file_groups={1 group:
[[WORKSPACE_ROOT/parquet-testing/data/alltypes_plain.parquet]]},
projection=[id, bool_col, tinyint_col, smallint_col, int_col, bigint_col,
float_col, double_col, date_string_col, string_col, timestamp_col], limit=10,
statistics=[Rows=Exact(8), Bytes=Absent, [(Col[0]: Null=Exact(0)),(Col[1]:
Null=Exact(0)),(Col[2]: Null=Exact(0)),(Col[3]: Null=Exact(0)),(Col[4]:
Null=Exact(0)),(Col[5]: Null=Exact(0)),(Col[6]: Null=Exact(0)),(Col[7]:
Null=Exact(0)),(Col[8]: Null=Exact(0)),(Col[9]: Null=Exact(0)),(Col[10]:
Null=Exact(0))]]
Review Comment:
this is more correct -- these columns have no nulls:
```shell
There are no nulls in this file:
andrewlamb@Andrews-MacBook-Pro-2:~/Software/datafusion$ datafusion-cli -c
'select * from "parquet-testing/data/alltypes_plain.parquet"';
DataFusion CLI v39.0.0
+----+----------+-------------+--------------+---------+------------+-----------+------------+------------------+------------+---------------------+
| id | bool_col | tinyint_col | smallint_col | int_col | bigint_col |
float_col | double_col | date_string_col | string_col | timestamp_col |
+----+----------+-------------+--------------+---------+------------+-----------+------------+------------------+------------+---------------------+
| 4 | true | 0 | 0 | 0 | 0 | 0.0
| 0.0 | 30332f30312f3039 | 30 | 2009-03-01T00:00:00 |
| 5 | false | 1 | 1 | 1 | 10 | 1.1
| 10.1 | 30332f30312f3039 | 31 | 2009-03-01T00:01:00 |
| 6 | true | 0 | 0 | 0 | 0 | 0.0
| 0.0 | 30342f30312f3039 | 30 | 2009-04-01T00:00:00 |
| 7 | false | 1 | 1 | 1 | 10 | 1.1
| 10.1 | 30342f30312f3039 | 31 | 2009-04-01T00:01:00 |
| 2 | true | 0 | 0 | 0 | 0 | 0.0
| 0.0 | 30322f30312f3039 | 30 | 2009-02-01T00:00:00 |
| 3 | false | 1 | 1 | 1 | 10 | 1.1
| 10.1 | 30322f30312f3039 | 31 | 2009-02-01T00:01:00 |
| 0 | true | 0 | 0 | 0 | 0 | 0.0
| 0.0 | 30312f30312f3039 | 30 | 2009-01-01T00:00:00 |
| 1 | false | 1 | 1 | 1 | 10 | 1.1
| 10.1 | 30312f30312f3039 | 31 | 2009-01-01T00:01:00 |
+----+----------+-------------+--------------+---------+------------+-----------+------------+------------------+------------+---------------------+
8 row(s) fetched.
Elapsed 0.009 seconds.
```
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