Update cds-ql.md

Add warning: When using the combination of $apply with groupby and only a subset of keys is included, it can lead to the result not being uniquely sorted anymore.
cap-js · Feb 28, 2024 · d1216a9 · d1216a9
1 parent 804e55a
commit d1216a9
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diff --git a/node.js/cds-ql.md b/node.js/cds-ql.md
@@ -511,6 +511,9 @@ SELECT ... .orderBy ('a.name', 'b desc')
 SELECT ... .orderBy ({ref:['a','name']}, {ref:['b'],sort:'desc'})
 ```
 
+::: warning
+When using $apply with groupby and only a subset of keys is included, it can lead to the result not being uniquely sorted anymore.
+:::
 
 
 ### .limit() {.method}