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new c1180022e6 test: improve `md5` function SQL test coverage (#23757)
c1180022e6 is described below
commit c1180022e63f48a3af175d8d73dc21cca9379c65
Author: Yongting You <[email protected]>
AuthorDate: Thu Jul 23 02:26:05 2026 +0800
test: improve `md5` function SQL test coverage (#23757)
## Which issue does this PR close?
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- Closes #.
## Rationale for this change
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Codecov reports low test coverage for this function, so this PR adds
more SLT tests for it.
The tests were AI-generated, and I manually verified that the results
are correct.
See `Codecov` bot comment -> `☔ View full report in Codecov by Harness`
-> `Indirect Changes` for the updated test coverage.
## What changes are included in this PR?
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## Are these changes tested?
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## Are there any user-facing changes?
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---
datafusion/sqllogictest/test_files/expr.slt | 24 ++++++++++++++++++++++++
1 file changed, 24 insertions(+)
diff --git a/datafusion/sqllogictest/test_files/expr.slt
b/datafusion/sqllogictest/test_files/expr.slt
index c7c997f330..e14004a5f9 100644
--- a/datafusion/sqllogictest/test_files/expr.slt
+++ b/datafusion/sqllogictest/test_files/expr.slt
@@ -1559,6 +1559,30 @@ SELECT md5(NULL);
----
NULL
+# md5 string and binary array inputs
+query BBBBBB
+SELECT
+ md5(column1) = md5('tom'),
+ md5(arrow_cast(column1, 'LargeUtf8')) = md5('tom'),
+ md5(arrow_cast(column1, 'Utf8View')) = md5('tom'),
+ md5(arrow_cast(column1, 'Binary')) = md5('tom'),
+ md5(arrow_cast(column1, 'LargeBinary')) = md5('tom'),
+ md5(arrow_cast(column1, 'BinaryView')) = md5('tom')
+FROM (VALUES ('tom'), (NULL)) AS t(column1);
+----
+true true true true true true
+NULL NULL NULL NULL NULL NULL
+
+# invalid argument count and type
+query error DataFusion error:
+SELECT md5();
+
+query error DataFusion error:
+SELECT md5('tom', 'extra');
+
+query error DataFusion error:
+SELECT md5(1);
+
query ?
SELECT digest('','md5');
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