ILIKE fails on type annotation

[zverevgeny]

Запрос
https://paste.yandex-team.ru/7e8aab3d-c579-44d9-a832-f0663282e207

error
Execution
Code: 1060
error
3:1
At tuple, At tuple, At tuple
error
8:1
At function: TopSort
error
3:1
At function: DqCnUnionAll, At function: TDqOutput, At function: DqStage, At lambda
error
4:6
At function: FlatMap, At function: KqpReadOlapTableRanges, At lambda, At function: KqpOlapFilter, At function: KqpOlapApply, At lambda, At function: Apply, At function: Apply, At function: Apply, ...Show full message (260 symbols)
error
4:6
Mismatch type argument #1, type diff: Optional!=Unit