pkg/sql/schemachanger/schemachanger_test: TestConcurrentSchemaChanges failed

[cockroach-teamcity]

pkg/sql/schemachanger/schemachanger_test.TestConcurrentSchemaChanges failed with artifacts on release-23.2 @ b658f8a1a5c7924c1879fe66bb87bab2ce46e789:

    schemachanger_test.go:767: Parent database or schema is renamed; skipping this table renaming.
    schemachanger_test.go:767: Parent database or schema is renamed; skipping this table renaming.
    schemachanger_test.go:767: Parent database or schema is renamed; skipping this table renaming.
    schemachanger_test.go:767: Parent database or schema is renamed; skipping this table renaming.
    schemachanger_test.go:767: Parent database or schema is renamed; skipping this table renaming.
    schemachanger_test.go:783: ADD COLUMN col_461 TO testdb_448.testsc_431.t_441
    schemachanger_test.go:807: DROP COLUMN col_461 FROM testdb_448.testsc_431.t_441
    schemachanger_test.go:783: ADD COLUMN col_465 TO testdb_448.testsc_431.t_441
    schemachanger_test.go:783: ADD COLUMN col_469 TO testdb_448.testsc_431.t_441
    schemachanger_test.go:830: CREATE INDEX idx_471 ON testdb_448.testsc_431.t_441(col_465)
    schemachanger_test.go:762: DROP TABLE t_466
    schemachanger_test.go:760: RENAME TABLE TO t_473
    schemachanger_test.go:783: ADD COLUMN col_472 TO testdb_448.testsc_431.t_441
    schemachanger_test.go:811: Parent database or schema or table is renamed; skipping this column removal.
    schemachanger_test.go:783: ADD COLUMN col_474 TO testdb_448.testsc_431.t_473
    schemachanger_test.go:830: CREATE INDEX idx_475 ON testdb_448.testsc_431.t_473(col_472)
    schemachanger_test.go:783: ADD COLUMN col_476 TO testdb_448.testsc_431.t_473
    schemachanger_test.go:863: Parent database or schema or table is renamed or index is dropped; skipping this index removal.
    schemachanger_test.go:838: Parent database or schema or table is renamed or column is dropped or index already exists; skipping this index creation.
    schemachanger_test.go:807: DROP COLUMN col_472 FROM testdb_448.testsc_431.t_473
    schemachanger_test.go:830: CREATE INDEX idx_480 ON testdb_448.testsc_431.t_473(col_474)
    schemachanger_test.go:783: ADD COLUMN col_479 TO testdb_448.testsc_431.t_473
    schemachanger_test.go:807: DROP COLUMN col_476 FROM testdb_448.testsc_431.t_473
    schemachanger_test.go:783: ADD COLUMN col_482 TO testdb_448.testsc_431.t_473
    schemachanger_test.go:762: DROP TABLE t_477
    schemachanger_test.go:762: DROP TABLE t_483
    schemachanger_test.go:734: DROP SCHEMA TO testsc_431
    schemachanger_test.go:838: Parent database or schema or table is renamed or column is dropped or index already exists; skipping this index creation.
    schemachanger_test.go:863: Parent database or schema or table is renamed or index is dropped; skipping this index removal.
    schemachanger_test.go:783: ADD COLUMN col_484 TO testdb_448.testsc_431.t_473
    schemachanger_test.go:830: CREATE INDEX idx_489 ON testdb_448.testsc_431.t_473(col_484)
    schemachanger_test.go:807: DROP COLUMN col_484 FROM testdb_448.testsc_431.t_473
    schemachanger_test.go:783: ADD COLUMN col_490 TO testdb_448.testsc_431.t_473
    schemachanger_test.go:679: rename-db-worker encounters error driver: bad connection; signal to main routine and finish working
    schemachanger_test.go:675: create-index-worker is signaled to finish work
    schemachanger_test.go:675: add-column-worker is signaled to finish work
    schemachanger_test.go:675: drop-index-worker is signaled to finish work
    schemachanger_test.go:675: drop-column-worker is signaled to finish work
    schemachanger_test.go:762: DROP TABLE t_491
    schemachanger_test.go:675: rename-tbl-worker is signaled to finish work
    schemachanger_test.go:734: DROP SCHEMA TO testsc_431
    schemachanger_test.go:675: rename-schema-worker is signaled to finish work
    schemachanger_test.go:869: 
        	Error Trace:	pkg/sql/schemachanger/schemachanger_test_test/pkg/sql/schemachanger/schemachanger_test.go:869
        	Error:      	Received unexpected error:
        	            	driver: bad connection
        	Test:       	TestConcurrentSchemaChanges
    panic.go:523: -- test log scope end --
test logs left over in: /artifacts/tmp/_tmp/30f4dfc616eac199fee667c9faa35314/logTestConcurrentSchemaChanges376413842
--- FAIL: TestConcurrentSchemaChanges (164.14s)

Help

See also: How To Investigate a Go Test Failure (internal)

Same failure on other branches

• pkg/sql/schemachanger/schemachanger_test: TestConcurrentSchemaChanges failed #129968 pkg/sql/schemachanger/schemachanger_test: TestConcurrentSchemaChanges failed [C-test-failure O-robot T-sql-foundations branch-release-24.1 release-blocker]

/cc @cockroachdb/sql-foundations

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Jira issue: CRDB-41862