fix sql timeout

db/helpers.go

@@ -97,11 +97,19 @@ func execLog(ctx context.Context, dbConn *sqlx.DB, query string, args ...interfa
 	res, err := dbConn.ExecContext(ctx, query, args...)
 	if err != nil {
 		q := strings.TrimSpace(query)
+		const maxQueryLogChars = 240
+		truncated := false
+		if len(q) > maxQueryLogChars {
+			q = q[:maxQueryLogChars] + " ... [truncated]"
+			truncated = true
+		}
 		msg := strings.ToLower(err.Error())
 		if strings.Contains(msg, "duplicate column name") || strings.Contains(msg, "already exists") {
-			slog.Debug("db exec skipped (already exists)", "query", q, "error", err)
+			slog.Debug("db exec skipped (already exists)", "query", q, "query_truncated", truncated, "error", err)
+		} else if errors.Is(err, context.DeadlineExceeded) || errors.Is(err, context.Canceled) || strings.Contains(msg, "statement timeout") {
+			slog.Debug("db exec timed out", "query", q, "query_truncated", truncated, "error", err)
 		} else {
-			slog.Warn("db exec failed", "query", q, "error", err)
+			slog.Warn("db exec failed", "query", q, "query_truncated", truncated, "error", err)
 		}
 	}
 	return res, err
@@ -2680,6 +2688,22 @@ WITH snapshots AS (
     MAX(s."SnapshotTime") AS last_seen
   FROM snapshots s
   GROUP BY s."VmId", s."VmUuid", s."Name", s."Vcenter"
+), timeline_enriched AS (
+  SELECT
+    tl."VmId",
+    tl."VmUuid",
+    tl."Name",
+    tl."Vcenter",
+    tl.any_creation,
+    tl.first_seen,
+    tl.last_seen,
+    MIN(t2.first_seen) AS t_last_after
+  FROM timeline tl
+  LEFT JOIN timeline t2
+    ON t2."Vcenter" = tl."Vcenter"
+   AND COALESCE(t2."VmId", '') = COALESCE(tl."VmId", '')
+   AND t2.first_seen > tl.last_seen
+  GROUP BY tl."VmId", tl."VmUuid", tl."Name", tl."Vcenter", tl.any_creation, tl.first_seen, tl.last_seen
 )
 UPDATE %s dst
 SET
@@ -2688,23 +2712,12 @@ SET
     ELSE dst."CreationTime"
   END,
   "DeletionTime" = CASE
-    WHEN t_last_after IS NOT NULL
+    WHEN t.t_last_after IS NOT NULL
          AND (dst."DeletionTime" IS NULL OR dst."DeletionTime" = 0)
-      THEN t_last_after
+      THEN t.t_last_after
     ELSE dst."DeletionTime"
   END
-FROM (
+FROM timeline_enriched t
-  SELECT
-    tl.*,
-    (
-      SELECT MIN(s2."SnapshotTime")
-      FROM snapshots s2
-      WHERE s2."Vcenter" = tl."Vcenter"
-        AND COALESCE(s2."VmId", '') = COALESCE(tl."VmId", '')
-        AND s2."SnapshotTime" > tl.last_seen
-    ) AS t_last_after
-  FROM timeline tl
-) t
 WHERE dst."Vcenter" = t."Vcenter"
   AND (
     (dst."VmId" IS NOT DISTINCT FROM t."VmId")