Files
multica/server/migrations/037_fix_pending_task_unique_index.down.sql
Jiayuan Zhang bf8abba24d fix(db): relax pending task unique index to per-(issue, agent) (#637)
The idx_one_pending_task_per_issue index only allowed one pending task
per issue across all agents, causing different agents' queued/dispatched
tasks to block each other. This mismatched the code-level dedup which
checks per (issue_id, agent_id). Replace with idx_one_pending_task_per_issue_agent
on (issue_id, agent_id) so each agent can independently have one pending task.

Fixes MUL-495

Co-authored-by: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-04-10 16:21:20 +08:00

6 lines
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SQL

DROP INDEX IF EXISTS idx_one_pending_task_per_issue_agent;
CREATE UNIQUE INDEX idx_one_pending_task_per_issue
ON agent_task_queue (issue_id)
WHERE status IN ('queued', 'dispatched');