This is a parent issue which tracks bugs found by the schemachange/random-load roachtest. TeamCity creates these issues and comments bugs to investigate.

• roachtest: schemachange/random-load failed #56235
• roachtest: scbench/randomload/nodes=3/ops=10000/conc=20 failed #56230
• roachtest: scbench/randomload/nodes=3/ops=2000/conc=1 failed #56081
• roachtest: scbench/randomload/nodes=3/ops=2000/conc=1 failed #56425

Comments aren't particularly organized between the separate issues, so they should be hidden and triaged into correctly into the child issue categories below.

Workload Issues
Any bugs in the workload itself that have caused errors

• check for missing primary key workload/schemachange: allow pgcode.NoPrimaryKey when primary key is dropped #57493
• fix primitive type resolution workload/schemachange: upgrade resolver to resolve non-enum types #57993
• improve interactions between savepoints and txn retry errors workload/schemachange: handle rollback to savepoint after transaction restart #58068
• update DDL after write error logic workload/schemachange: update rule for DDL after write #58141

Database Issues
Any bugs in database code which result in unexpected errors occurring

• schema change after write is allowed sql: DDL after write error is misleading #57476
• descriptor is being dropped error sql: descriptor is being dropped (SQLSTATE XXUUU) #57487
• index in the middle of being added error sql: Cannot add and drop (or drop and add) index in same transaction #42844
• table remains visible in transaction after being dropped/renamed sql: dropped table remains visible in the same transaction #57494
• column remains visible in transaction after being dropped/renamed sql: renamed or dropped column remains visible to introspection commands in the same transaction #58067
• deadlock/timeout roachtest: scbench/randomload/nodes=3/ops=2000/conc=1 failed #56425

Jira issue: CRDB-3528