slice bounds out of range

[bajinsheng]

Bug Report

1. Minimal reproduce step (Required)

select distinct avg(nullif(77.15, PI())); --runtime error: slice bounds out of range [:1] with capacity 0

2. What did you expect to see? (Required)

No error

3. What did you see instead (Required)

4. What is your TiDB version? (Required)

tiup playground nightly --host 0.0.0.0 --kv 3 --tiflash 3

8.0.11-TiDB-v9.0.0-beta.1.pre-554-gb1a5536a64-dirty

[bajinsheng]

/label fuzz/sqlancer