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-rw-r--r--src/backend/commands/vacuum.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/backend/commands/vacuum.c b/src/backend/commands/vacuum.c
index 59731d687f6..3a89f8fe1e2 100644
--- a/src/backend/commands/vacuum.c
+++ b/src/backend/commands/vacuum.c
@@ -2077,7 +2077,7 @@ compute_parallel_delay(void)
VacuumCostBalanceLocal += VacuumCostBalance;
if ((shared_balance >= VacuumCostLimit) &&
- (VacuumCostBalanceLocal > 0.5 * (VacuumCostLimit / nworkers)))
+ (VacuumCostBalanceLocal > 0.5 * ((double) VacuumCostLimit / nworkers)))
{
/* Compute sleep time based on the local cost balance */
msec = VacuumCostDelay * VacuumCostBalanceLocal / VacuumCostLimit;