D1 batch helper

[called-d]

• I have verified my changes didn't break the example project.

Description

Cloudflare D1 doe's not support beginTransaction/commit/rollback. It supports batch statements and this is transaction.

Batched statements are SQL transactions. If a statement in the sequence fails, then an error is returned for that specific statement, and it aborts or rolls back the entire sequence.

I made helper function for batch statements.

• cannot operate commit / rollback from application code
  • D1 is not exposed these operation.
• cannot apply transformResult() of plugins
  • I can't get queryId from Compilable

[called-d]

Kysely has no escape hatch.