Details
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Bug
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Status: In Testing (View Workflow)
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Major
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Resolution: Unresolved
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12.2
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None
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Unexpected results
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Q1/2026 Server Development
Description
select st_collect(1), st_collect(1) is null;
|
+---------------+-----------------------+
|
| st_collect(1) | st_collect(1) is null |
|
+---------------+-----------------------+
|
| NULL | 0 |
|
+---------------+-----------------------+
|
The reason for that is that Item_func_collect::is_null() doesn't evaluate the item