<reported error>: error.go:77: func1: unexpected error from the vectorized runtime: %+v

[sentry-io]

Sentry Issue: COCKROACHDB-16Z

<reported error>: error.go:77: func1: unexpected error from the vectorized runtime: %+v
  File "/go/src/github.com/cockroachdb/cockroach/pkg/sql/colexec/execerror/error.go", line 77, in func1
  File "/usr/local/go/src/runtime/panic.go", line 522, in gopanic
  File "/go/src/github.com/cockroachdb/cockroach/pkg/col/coldata/vec.go", line 160, in NewMemColumn
  File "/go/src/github.com/cockroachdb/cockroach/pkg/col/coldata/batch.go", line 142, in AppendCol
  File "/go/src/github.com/cockroachdb/cockroach/pkg/sql/colexec/builtin_funcs.go", line 49, in Next
...
(22 additional frame(s) were not displayed)

*errors.errorString
*safedetails.withSafeDetails: unexpected error from the vectorized runtime: %+v (1)
error.go:77: *withstack.withStack (2)
*assert.withAssertionFailure
(check the extra data payloads)

[itsbilal]

Seeing a bit of a spike of these events recently, though they're all on one cluster running 19.2.1, so it might not be a legitimate bug and doesn't seem urgent. @yuzefovich or someone from SQL exec, mind taking a quick look when you can?

[yuzefovich]

I think I found the root cause. PR incoming.