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Adds query_timeout configuration option that cancels queries exceeding the specified duration. Prevents runaway queries from blocking connections indefinitely. Changes: - Add QueryTimeout to server.Config struct - Add query_timeout to YAML config and DUCKGRES_QUERY_TIMEOUT env var - Add queryContext() helper returning context with timeout - Update all db.Query/db.Exec calls to use context variants - Return SQLSTATE 57014 (query_canceled) on timeout - Add duckgres_query_timeouts_total Prometheus metric - Add PLAN.md to .gitignore for local planning docs Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
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Summary
Changes
QueryTimeoutto Config struct (default: 0 = disabled)query_timeoutYAML config andDUCKGRES_QUERY_TIMEOUTenv varqueryContext()helper that wraps queries with timeoutdb.Query/db.Execcalls to use contextduckgres_query_timeouts_totalPrometheus metricConfiguration
Test plan
🤖 Generated with Claude Code