ClickHouse / ClickHouse/ClickHouse
Add support for expression parameters when call querying a parametrized view
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- C++
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Description
### Company or project name
When querying a parametrized view, it seems only primitive values are accepted:
```sql
select *
from events(from=1759211015000, to=1759237515000)
limit 5
```
This query fails:
```sql
select *
from events(from=1759211015000 + 1, to=1759237515000)
limit 5
```
```text
error querying the database: code: 456, message: Substitution `from` is not set
```
This query fails too (same error):
```sql
select *
from events(from=toUnixTimestamp('2025-01-01 01:01:01')*1000, to=1759237515000)
limit 5
```
### Use case
This seems a pretty logical things to support. One use case I can think of is Grafana, which exposes `$__from` and `$__to` variables, which can't be manipulated when used in parametrized query parameters.
Yet one valid use case is week-over-week comparison, which would require writing something like this:
```sql
select *
from events(from=addDays($__fromTime, -7), to=$__toTime)
```
### Describe the solution you'd like
Add support for expression in parametrized query parameters.
### Describe alternatives you've considered
Creating a "fake" query variable in Grafana with value `SELECT $__from - 7 * 24 *3600 * 1000`
### Additional context
_No response_
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