gastownhall/beads · error

db: GetAllConfig: read: %w

Error message

db: GetAllConfig: read: %w

What it means

This error wraps the rows.Err() check at the end of GetAllConfig's iteration loop. It indicates the result-set iteration itself failed — typically a connection drop or context cancellation while streaming rows, after some rows may already have been consumed. It is distinct from the per-row scan error.

Source

Thrown at internal/storage/domain/db/config.go:124

	return nil
}

func (r *configSQLRepositoryImpl) GetAllConfig(ctx context.Context) (map[string]string, error) {
	rows, err := r.runner.QueryContext(ctx, "SELECT `key`, value FROM config")
	if err != nil {
		return nil, fmt.Errorf("db: GetAllConfig: %w", err)
	}
	defer rows.Close()
	out := make(map[string]string)
	for rows.Next() {
		var k, v string
		if err := rows.Scan(&k, &v); err != nil {
			return nil, fmt.Errorf("db: GetAllConfig: scan: %w", err)
		}
		out[k] = v
	}
	if err := rows.Err(); err != nil {
		return nil, fmt.Errorf("db: GetAllConfig: read: %w", err)
	}
	return out, nil
}

func (r *configSQLRepositoryImpl) GetCustomTypes(ctx context.Context) ([]string, error) {
	fromTable, err := r.readCustomTypesTable(ctx)
	if err != nil {
		return nil, err
	}

	fromDB := fromTable
	if len(fromDB) == 0 {
		fromConfig, err := r.readCustomTypesConfig(ctx)
		if err != nil {
			return nil, err
		}
		fromDB = fromConfig
	}

View on GitHub (pinned to 71377f2769)

Solutions

1. Retry GetAllConfig with a longer or undisturbed context
2. Check the wrapped cause for context.DeadlineExceeded or Canceled and adjust the timeout/cancellation
3. Verify the Dolt connection (local file vs server) is stable; reconnect if remote
4. Ensure nothing in the process closes the database handle mid-iteration
5. If persistent, check server logs / database health via `bd doctor`

ctx, cancel := context.WithTimeout(context.Background(), 30*time.Second)
defer cancel() // generous budget for full enumeration

var all map[string]string
err := retry.Do(3, retry.Backoff(time.Second), func() error {
	var e error
	all, e = repo.GetAllConfig(ctx)
	return e
})
if err != nil {
	return fmt.Errorf("config enumeration failed after retries: %w", err)
}

When it happens

Trigger: Calling GetAllConfig and having the connection to the Dolt database drop or the context be canceled while rows.Next() is streaming results; driver-level IO errors mid-result-set.

Common situations: Long-running `bd config list` over a large config table with an aggressive context deadline; network/Unix-socket disruption to a remote Dolt server; database closed by another part of the process during iteration.

Related errors

• iterate dirty config diff: %w
• iterate conflicts for table %s: %w
• ErrTransaction
• ErrQuery
• ErrScan

AI-assisted analysis of gastownhall/beads@71377f2769 (2026-08-30). Data as JSON: /api/errors/008a0b3e631767cf. Report an issue: GitHub.