Files
beads/internal/storage/sqlite/util.go
Steve Yegge ebb425388c bd-109: Add retry logic and race condition handling for N-way collisions
- Added ExecInTransaction helper for atomic database operations
- Added IsUniqueConstraintError to detect UNIQUE constraint violations
- Wrapped RemapCollisions with retry logic (3 attempts with counter sync)
- Enhanced handleRename to detect race conditions where target ID exists
- Added defensive checks for when old ID has been deleted by another clone

Progress: Improves N-way collision handling, though full solution requires
more work (tracked in bd-108). Tests now reach later convergence rounds
before hitting complex collision scenarios.

Amp-Thread-ID: https://ampcode.com/threads/T-2b850a80-f8bd-4e38-b661-e33d1cfa7281
Co-authored-by: Amp <amp@ampcode.com>
2025-10-29 10:45:25 -07:00

55 lines
1.6 KiB
Go

package sqlite
import (
"context"
"database/sql"
"fmt"
"strings"
)
// QueryContext exposes the underlying database QueryContext method for advanced queries
// This is used by commands that need direct SQL access (e.g., bd stale)
func (s *SQLiteStorage) QueryContext(ctx context.Context, query string, args ...interface{}) (*sql.Rows, error) {
return s.db.QueryContext(ctx, query, args...)
}
// BeginTx starts a new database transaction
// This is used by commands that need to perform multiple operations atomically
func (s *SQLiteStorage) BeginTx(ctx context.Context) (*sql.Tx, error) {
return s.db.BeginTx(ctx, nil)
}
// ExecInTransaction executes a function within a database transaction.
// If the function returns an error, the transaction is rolled back.
// Otherwise, the transaction is committed.
func (s *SQLiteStorage) ExecInTransaction(ctx context.Context, fn func(*sql.Tx) error) error {
tx, err := s.db.BeginTx(ctx, nil)
if err != nil {
return fmt.Errorf("failed to begin transaction: %w", err)
}
defer func() { _ = tx.Rollback() }()
if err := fn(tx); err != nil {
return err
}
if err := tx.Commit(); err != nil {
return fmt.Errorf("failed to commit transaction: %w", err)
}
return nil
}
// IsUniqueConstraintError checks if an error is a UNIQUE constraint violation
func IsUniqueConstraintError(err error) bool {
if err == nil {
return false
}
return strings.Contains(err.Error(), "UNIQUE constraint failed")
}
// isUniqueConstraintError is an alias for IsUniqueConstraintError for internal use
func isUniqueConstraintError(err error) bool {
return IsUniqueConstraintError(err)
}