roachtest: sqlsmith/setup=rand-tables/setting=no-ddl failed

[cockroach-teamcity]

roachtest.sqlsmith/setup=rand-tables/setting=no-ddl failed with artifacts on master @ 71a023f9212cf1285a4475ed85d5ab6eefa9bdf7:

The test failed on branch=master, cloud=gce:
test artifacts and logs in: /home/agent/work/.go/src/github.com/cockroachdb/cockroach/artifacts/sqlsmith/setup=rand-tables/setting=no-ddl/run_1
	sqlsmith.go:226,sqlsmith.go:262,test_runner.go:793: error: pq: internal error: unexpected error from the vectorized engine: runtime error: index out of range [1] with length 1
		stmt:
		SELECT
			count(*) AS col_5926
		FROM
			defaultdb.public.table1@[0] AS tab_2930
		GROUP BY
			tab_2930.col1_0, tab_2930.col1_7
		ORDER BY
			tab_2930.col1_7 DESC, tab_2930.col1_7 DESC;

Reproduce

To reproduce, try:

#!/usr/bin/env bash
#!/bin/bash
set -euxo pipefail

# NB: invoke this script with "caffeinate" on OSX and/or linux to
# prevent runs failing due to standby.

sha=$(git rev-parse HEAD)

if [ ! -f roachtest.$sha ]; then
	./build/builder.sh mkrelease amd64-linux-gnu bin/{roach{prod,test},workload}
	mv -f bin.docker_amd64/roachprod roachprod.$sha
	mv -f bin.docker_amd64/workload workload.$sha
	mv -f bin.docker_amd64/roachtest roachtest.$sha
fi

if [ ! -f cockroach.$sha ]; then
	./build/builder.sh mkrelease amd64-linux-gnu
	mv cockroach-linux-2.6.32-gnu-amd64 cockroach.$sha
fi

# NB: consider adding --debug if it is useful to let the clusters
# for failed tests survive.
./roachtest.$sha run "sqlsmith/setup=rand-tables/setting=no-ddl" \
  --port 8080 --count 10 --cpu-quota 500 \
  --roachprod roachprod.${sha} --workload workload.${sha} \
  --cockroach ./cockroach.$sha \
  --artifacts artifacts.$sha | tee roachtest-stress.${sha}

Same failure on other branches

• roachtest: sqlsmith/setup=rand-tables/setting=no-ddl failed #63434 roachtest: sqlsmith/setup=rand-tables/setting=no-ddl failed [C-test-failure O-roachtest O-robot branch-release-21.1 release-blocker]

/cc @cockroachdb/sql-queries

Internal log

no author provided

See this test on roachdash

_{Improve this report!}