There are two symbols for separating transforms in a pipeline - \n and | so you can use | instead of \n if you prefer. So for your query from the linked gist,

There are two symbols for separating transforms in a pipeline - \n and | so you can use | instead of \n if you prefer. So for your query from the linked gist, the following should work: from system.numbers | select number Otherwise, if you want to be really strict: prql target:sql.clickhouse from `system.numbers` | select {number} You can see here for more details: https://prql-lang.org/book/reference/syntax/keywords.html https://prql-lang.org/book/reference/syntax/keywords.html