sentry: (0) encoded_datum.go:220: decoding unset EncDatum | string (1) statement: SELECT * FROM _ AS _ ORDER BY _ DESC LIMIT _ OFFSET _ (see stack traces in additional data)

[cockroach-teamcity]

This issue was autofiled by Sentry. It represents a crash or reported error on a live cluster with telemetry enabled.

Sentry link: https://sentry.io/organizations/cockroach-labs/issues/1321600260/?referrer=webhooks_plugin

Panic message:

(0) encoded_datum.go:220: decoding unset EncDatum | string
(1) statement: SELECT * FROM _ AS _ ORDER BY _ DESC LIMIT _ OFFSET _
(see stack traces in additional data)

Stacktrace (expand for inline code snippets):

cockroach/pkg/sql/sqlbase/encoded_datum.go

Lines 219 to 221 in 1a14d34

	if ed.encoded == nil {
	return pgerror.NewAssertionErrorf("decoding unset EncDatum")
	}

in pkg/sql/sqlbase.(*EncDatum).EnsureDecoded

cockroach/pkg/sql/sqlbase/encoded_datum.go

Lines 264 to 266 in 1a14d34

	}
	if err := ed.EnsureDecoded(typ, a); err != nil {
	return nil, err

in pkg/sql/sqlbase.(*EncDatum).Encode

cockroach/pkg/sql/distsqlrun/stream_encoder.go

Lines 145 to 147 in 1a14d34

	var err error
	se.rowBuf, err = row[i].Encode(&se.infos[i].Type, &se.alloc, se.infos[i].Encoding, se.rowBuf)
	if err != nil {

in pkg/sql/distsqlrun.(*StreamEncoder).AddRow

cockroach/pkg/sql/distsqlrun/outbox.go

Lines 129 to 131 in 1a14d34

	} else {
	encodingErr = m.encoder.AddRow(row)
	if encodingErr != nil {

in pkg/sql/distsqlrun.(*outbox).addRow

cockroach/pkg/sql/distsqlrun/outbox.go

Lines 292 to 294 in 1a14d34

	// If we're draining, we ignore all the rows and just send metadata.
	err := m.addRow(ctx, msg.Row, msg.Meta)
	if err != nil {

in pkg/sql/distsqlrun.(*outbox).mainLoop

cockroach/pkg/sql/distsqlrun/outbox.go

Lines 412 to 414 in 1a14d34

	func (m *outbox) run(ctx context.Context, wg *sync.WaitGroup) {
	err := m.mainLoop(ctx)
	if stream, ok := m.stream.(distsqlpb.DistSQL_FlowStreamClient); ok {

in pkg/sql/distsqlrun.(*outbox).run

pkg/sql/sqlbase/encoded_datum.go in pkg/sql/sqlbase.(*EncDatum).EnsureDecoded at line 220
pkg/sql/sqlbase/encoded_datum.go in pkg/sql/sqlbase.(*EncDatum).Encode at line 265
pkg/sql/distsqlrun/stream_encoder.go in pkg/sql/distsqlrun.(*StreamEncoder).AddRow at line 146
pkg/sql/distsqlrun/outbox.go in pkg/sql/distsqlrun.(*outbox).addRow at line 130
pkg/sql/distsqlrun/outbox.go in pkg/sql/distsqlrun.(*outbox).mainLoop at line 293
pkg/sql/distsqlrun/outbox.go in pkg/sql/distsqlrun.(*outbox).run at line 413

Tag	Value
Cockroach Release	v19.1.3
Cockroach SHA:	1a14d34
Platform	linux amd64
Distribution	CCL
Environment	v19.1.3
Command	server
Go Version	go1.11.6
# of CPUs	12
# of Goroutines	1426

[jordanlewis]

#41630