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new f3a895ffb2 minor: Add `slt` test for nullable window retract (#24025)
f3a895ffb2 is described below
commit f3a895ffb2c26c32532cead6a597684e4b8857e7
Author: Yongting You <[email protected]>
AuthorDate: Sun Aug 2 14:06:41 2026 +0800
minor: Add `slt` test for nullable window retract (#24025)
## Which issue does this PR close?
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## Rationale for this change
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When browsing a recent PR
https://github.com/apache/datafusion/pull/23954, I found the there are
two corner cases missing test coverage in the codecov report. This PR
adds sql tests for them (test result verified with DuckDB)
Missing coverage:
https://app.codecov.io/gh/apache/datafusion/pull/23954?src=pr&el=tree&filepath=datafusion%2Ffunctions-aggregate%2Fsrc%2Fpercentile_cont.rs&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=apache#1935ab8f13c9459b071f56115e8527ed-R462
https://app.codecov.io/gh/apache/datafusion/pull/23954?src=pr&el=tree&filepath=datafusion%2Ffunctions-aggregate%2Fsrc%2Fmedian.rs&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=apache#7cad0cf744d908e2045a5f6c8b6cdf5e-R324
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---
datafusion/sqllogictest/test_files/window.slt | 17 +++++++++--------
1 file changed, 9 insertions(+), 8 deletions(-)
diff --git a/datafusion/sqllogictest/test_files/window.slt
b/datafusion/sqllogictest/test_files/window.slt
index fd477a3386..59cc4a7c46 100644
--- a/datafusion/sqllogictest/test_files/window.slt
+++ b/datafusion/sqllogictest/test_files/window.slt
@@ -6843,16 +6843,17 @@ DROP TABLE issue_20194_t1;
statement ok
DROP TABLE issue_20194_t2;
-# Sliding-window MIN/MAX over a frame whose non-NULL values have all been
-# retracted should yield NULL.
-query IIII
+# Sliding-window over a frame whose non-NULL values have all been retracted
should yield NULL.
+query IIIIRR
SELECT id, x,
MIN(x) OVER (ORDER BY id ROWS BETWEEN 1 PRECEDING AND CURRENT ROW) AS
min_x,
- MAX(x) OVER (ORDER BY id ROWS BETWEEN 1 PRECEDING AND CURRENT ROW) AS
max_x
+ MAX(x) OVER (ORDER BY id ROWS BETWEEN 1 PRECEDING AND CURRENT ROW) AS
max_x,
+ percentile_cont(x, 0.5) OVER (ORDER BY id ROWS BETWEEN 1 PRECEDING AND
CURRENT ROW) AS percentile_x,
+ median(x) OVER (ORDER BY id ROWS BETWEEN 1 PRECEDING AND CURRENT ROW)
AS median_x,
FROM (VALUES (1, 3), (2, NULL), (3, NULL), (4, 7)) t(id, x)
ORDER BY id
----
-1 3 3 3
-2 NULL 3 3
-3 NULL NULL NULL
-4 7 7 7
+1 3 3 3 3 3
+2 NULL 3 3 3 3
+3 NULL NULL NULL NULL NULL
+4 7 7 7 7 7
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