2010YOUY01 commented on code in PR #15084:
URL: https://github.com/apache/datafusion/pull/15084#discussion_r1986026452
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datafusion/sqllogictest/test_files/explain_tree.slt:
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@@ -519,6 +519,36 @@ physical_plan
17)│ format: arrow │
18)└───────────────────────────┘
+
+# Query with window agg.
+query TT
+explain select count(*) over() from table1;
+----
+logical_plan
+01)Projection: count(Int64(1)) ROWS BETWEEN UNBOUNDED PRECEDING AND UNBOUNDED
FOLLOWING AS count(*) ROWS BETWEEN UNBOUNDED PRECEDING AND UNBOUNDED FOLLOWING
+02)--WindowAggr: windowExpr=[[count(Int64(1)) ROWS BETWEEN UNBOUNDED PRECEDING
AND UNBOUNDED FOLLOWING]]
+03)----TableScan: table1 projection=[]
+physical_plan
+01)┌───────────────────────────┐
+02)│ ProjectionExec │
+03)└─────────────┬─────────────┘
+04)┌─────────────┴─────────────┐
Review Comment:
To also test `BoundedWindowAggExec`, we can set a bounded window frame (e.g.
'rows between 1 preceding and current row`)
```
explain SELECT
v1,
SUM(v1) OVER (ORDER BY v1 ROWS BETWEEN 1 PRECEDING AND CURRENT ROW) AS
rolling_sum
FROM generate_series(1, 1000) AS t1(v1);
```
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