(datafusion) 01/01: chore: re-enable `array_union` nested null array edge case test (#21773)

[gi...@apache.org]

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github-merge-queue[bot] pushed a commit to branch gh-readonly-queue/main/pr-21773-067ba4b02e180ccd3f7e43f087698463d53a566e
in repository https://gitbox.apache.org/repos/asf/datafusion.git

commit fd093fb1d6353807e030f3c4de20f7f0696c5ac4
Author: Jeffrey Vo <je...@gmail.com>
AuthorDate: Fri Apr 24 09:08:16 2026 +0900

    chore: re-enable `array_union` nested null array edge case test (#21773)
    
    ## Which issue does this PR close?
    
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    - Closes #19798
    
    ## Rationale for this change
    
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    Upstream issue fixed, re-enable test
    
    - https://github.com/apache/arrow-rs/issues/9227
    
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---
 datafusion/sqllogictest/test_files/array/array_union.slt | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/datafusion/sqllogictest/test_files/array/array_union.slt b/datafusion/sqllogictest/test_files/array/array_union.slt
index e3a3cefc1c..6a0fdc546e 100644
--- a/datafusion/sqllogictest/test_files/array/array_union.slt
+++ b/datafusion/sqllogictest/test_files/array/array_union.slt
@@ -114,11 +114,10 @@ select array_union(arrow_cast([], 'LargeList(Int64)'), arrow_cast([], 'LargeList
 []
 
 # array_union scalar function #7
-# re-enable when https://github.com/apache/arrow-rs/issues/9227 is fixed
-# query ?
-# select array_union([[null]], []);
-# ----
-# [[]]
+query ?
+select array_union([[null]], []);
+----
+[[NULL]]
 
 query error DataFusion error: Error during planning: Failed to coerce arguments to satisfy a call to 'array_union' function:
 select array_union(arrow_cast([[null]], 'LargeList(List(Int64))'), arrow_cast([], 'LargeList(Int64)'));


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