warning for mysql (#45322)

docs/questions/query-builder/expressions-list.md

@@ -728,7 +728,7 @@ Example: `year("2021-03-25T12:52:37")` would return the year 2021 as an integer,
 
 ### Offset
 
-> The `Offset` function is currently unavailable for MySQL/MariaDB.
+> ⚠️ The `Offset` function is currently unavailable for MySQL/MariaDB.
 
 Returns the value of an expression in a different row. `Offset` can only be used in the query builder's Summarize step (you cannot use `Offset` to create a custom column).
 

docs/questions/query-builder/expressions/offset.md

@@ -4,7 +4,7 @@ title: Offset
 
 # Offset
 
-> The `Offset` function is currently unavailable for MySQL/MariaDB.
+> ⚠️ The `Offset` function is currently unavailable for MySQL/MariaDB.
 
 The `Offset` function returns the value of an expression in a different row. `Offset` can only be used in the query builder's Summarize step (you cannot use `Offset` to create a custom column).