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Merging upstream version 26.19.0.

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Signed-off-by: Daniel Baumann <daniel@debian.org>
This commit is contained in:
Daniel Baumann 2025-05-24 07:15:28 +02:00
parent 58527c3d26
commit a99682f526
Signed by: daniel
GPG key ID: FBB4F0E80A80222F
98 changed files with 67345 additions and 65319 deletions

13
tests/test_transforms.py
View file

@ -5,6 +5,7 @@ from sqlglot.transforms import (
eliminate_distinct_on,
eliminate_join_marks,
eliminate_qualify,
eliminate_window_clause,
remove_precision_parameterized_types,
unalias_group,
)
@ -272,3 +273,15 @@ class TestTransforms(unittest.TestCase):
tree.sql(dialect=dialect)
== "SELECT a.id FROM a LEFT JOIN b ON a.id = b.id AND b.d = const"
)
def test_eliminate_window_clause(self):
self.validate(
eliminate_window_clause,
"SELECT purchases, LAST_VALUE(item) OVER (d) AS most_popular FROM Produce WINDOW a AS (PARTITION BY purchases), b AS (a ORDER BY purchases), c AS (b ROWS BETWEEN 2 PRECEDING AND 2 FOLLOWING), d AS (c)",
"SELECT purchases, LAST_VALUE(item) OVER (PARTITION BY purchases ORDER BY purchases ROWS BETWEEN 2 PRECEDING AND 2 FOLLOWING) AS most_popular FROM Produce",
)
self.validate(
eliminate_window_clause,
"SELECT LAST_VALUE(c) OVER (a) AS c2 FROM (SELECT LAST_VALUE(i) OVER (a) AS c FROM p WINDOW a AS (PARTITION BY x)) AS q(c) WINDOW a AS (PARTITION BY y)",
"SELECT LAST_VALUE(c) OVER (PARTITION BY y) AS c2 FROM (SELECT LAST_VALUE(i) OVER (PARTITION BY x) AS c FROM p) AS q(c)",
)