Module connection 

Database connection traits.

This module defines the core abstractions for database connections:

• Connection - Main trait for executing queries and managing transactions
• Transaction - Trait for transactional operations with savepoint support
• IsolationLevel - SQL transaction isolation levels
• PreparedStatement - Pre-compiled statement for efficient repeated execution

All operations integrate with asupersync’s structured concurrency via Cx context for proper cancellation and timeout handling.

Structs

ConnectionConfig

Configuration for database connections.

PreparedStatement

A prepared statement for repeated execution.

Transaction

A database transaction (concrete implementation).

Enums

Dialect

A database connection capable of executing queries.

IsolationLevel

Transaction isolation level.

SslMode

SSL connection mode.

Traits

Connection

TransactionInternal

Internal trait for transaction operations (object-safe subset).

TransactionOps

Trait for transaction operations.