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#10998 D1 - Lowercase BEGIN for trigger definition fails remotely but not locally

Recommendation:KEEP OPEN
Difficulty:n/a
Reasoning:

D1 backend bug, not wrangler. PR #5889 fixed local case-insensitivity; remote backend lacks fix. Tracked internally as CFSQL-1402. Labeled `internal`.

Suggested Action:

No action - awaiting D1 backend team fix (CFSQL-1402).

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Analysis Report

Issue Review: cloudflare/workers-sdk#10998

Summary

D1 remote backend rejects lowercase begin/end keywords in trigger definitions, while local execution accepts them.

Findings

  • Created: 2025-10-16
  • Updated: 2025-10-17
  • Version: wrangler 4.42.1 → 4.60.0
  • Component: D1 (backend)
  • Labels: bug, internal, d1
  • Comments: 2 (maintainer confirmed and tracked internally)

Key Evidence

  • Root cause identified: PR #5889 (merged June 2024) fixed case-insensitivity for BEGIN/CASE keywords in local D1 execution, but the remote D1 backend does not have this fix
  • Maintainer confirmed: @petebacondarwin acknowledged this is a backend issue and created internal Jira ticket CFSQL-1402
  • Internal tracking: CFSQL-1402 (status: "Needs Triage", priority: P4 Normal)
  • internal label applied: Confirms this requires Cloudflare Platform team support, not a wrangler code fix

Reproduction Summary

-- Fails on remote D1 (lowercase 'begin'):
create trigger ... begin update ... end;

-- Works on remote D1 (uppercase 'BEGIN'):
create trigger ... BEGIN update ... end;

Recommendation

Status: KEEP OPEN

Reasoning: This is a legitimate D1 backend bug, not a wrangler issue. The fix needs to happen in the D1 backend (tracked as CFSQL-1402), not in wrangler. The issue is correctly labeled with internal and serves as public visibility for users encountering this problem.

Action: No action needed on workers-sdk side. Issue should remain open for user visibility and will be resolved when CFSQL-1402 is addressed by the D1 backend team.

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