load 5m
	http_requests{job="api-server", instance="0", group="production"}	0+10x10
	http_requests{job="api-server", instance="1", group="production"}	0+20x10
	http_requests{job="api-server", instance="0", group="canary"}		0+30x10
	http_requests{job="api-server", instance="1", group="canary"}		0+40x10
	http_requests{job="app-server", instance="0", group="production"}	0+50x10
	http_requests{job="app-server", instance="1", group="production"}	0+60x10
	http_requests{job="app-server", instance="0", group="canary"}		0+70x10
	http_requests{job="app-server", instance="1", group="canary"}		0+80x10


load 5m
	vector_matching_a{l="x"} 0+1x100
	vector_matching_a{l="y"} 0+2x50
	vector_matching_b{l="x"} 0+4x25


eval instant at 50m SUM(http_requests) BY (job) - COUNT(http_requests) BY (job)
	{job="api-server"} 996 
	{job="app-server"} 2596 

eval instant at 50m 2 - SUM(http_requests) BY (job)
	{job="api-server"} -998 
	{job="app-server"} -2598 

eval instant at 50m 1000 / SUM(http_requests) BY (job)
	{job="api-server"} 1 
	{job="app-server"} 0.38461538461538464 

eval instant at 50m SUM(http_requests) BY (job) - 2
	{job="api-server"} 998 
	{job="app-server"} 2598 

eval instant at 50m SUM(http_requests) BY (job) % 3
	{job="api-server"} 1 
	{job="app-server"} 2 

eval instant at 50m SUM(http_requests) BY (job) / 0
	{job="api-server"} +Inf 
	{job="app-server"} +Inf 

eval instant at 50m SUM(http_requests) BY (job) + SUM(http_requests) BY (job)
	{job="api-server"} 2000 
	{job="app-server"} 5200 


eval instant at 50m http_requests{job="api-server", group="canary"}
	http_requests{group="canary", instance="0", job="api-server"} 300 
	http_requests{group="canary", instance="1", job="api-server"} 400 

eval instant at 50m http_requests{job="api-server", group="canary"} + rate(http_requests{job="api-server"}[5m]) * 5 * 60
	{group="canary", instance="0", job="api-server"} 330 
	{group="canary", instance="1", job="api-server"} 440 

eval instant at 50m rate(http_requests[25m]) * 25 * 60
  {group="canary", instance="0", job="api-server"} 150 
  {group="canary", instance="0", job="app-server"} 350 
  {group="canary", instance="1", job="api-server"} 200 
  {group="canary", instance="1", job="app-server"} 400 
  {group="production", instance="0", job="api-server"} 50 
  {group="production", instance="0", job="app-server"} 249.99999999999997 
  {group="production", instance="1", job="api-server"} 100 
  {group="production", instance="1", job="app-server"} 300 


eval instant at 50m http_requests{group="canary"} and http_requests{instance="0"}
	http_requests{group="canary", instance="0", job="api-server"} 300 
	http_requests{group="canary", instance="0", job="app-server"} 700 

eval instant at 50m (http_requests{group="canary"} + 1) and http_requests{instance="0"}
	{group="canary", instance="0", job="api-server"} 301 
	{group="canary", instance="0", job="app-server"} 701 

eval instant at 50m (http_requests{group="canary"} + 1) and on(instance, job) http_requests{instance="0", group="production"}
	{group="canary", instance="0", job="api-server"} 301 
	{group="canary", instance="0", job="app-server"} 701 

eval instant at 50m (http_requests{group="canary"} + 1) and on(instance) http_requests{instance="0", group="production"}
	{group="canary", instance="0", job="api-server"} 301 
	{group="canary", instance="0", job="app-server"} 701 

eval instant at 50m http_requests{group="canary"} or http_requests{group="production"}
	http_requests{group="canary", instance="0", job="api-server"} 300 
	http_requests{group="canary", instance="0", job="app-server"} 700 
	http_requests{group="canary", instance="1", job="api-server"} 400 
	http_requests{group="canary", instance="1", job="app-server"} 800 
	http_requests{group="production", instance="0", job="api-server"} 100 
	http_requests{group="production", instance="0", job="app-server"} 500 
	http_requests{group="production", instance="1", job="api-server"} 200 
	http_requests{group="production", instance="1", job="app-server"} 600 

# On overlap the rhs samples must be dropped.
eval instant at 50m (http_requests{group="canary"} + 1) or http_requests{instance="1"}
	{group="canary", instance="0", job="api-server"} 301 
	{group="canary", instance="0", job="app-server"} 701 
	{group="canary", instance="1", job="api-server"} 401 
	{group="canary", instance="1", job="app-server"} 801 
	http_requests{group="production", instance="1", job="api-server"} 200 
	http_requests{group="production", instance="1", job="app-server"} 600 


# Matching only on instance excludes everything that has instance=0/1 but includes
# entries without the instance label.
eval instant at 50m (http_requests{group="canary"} + 1) or on(instance) (http_requests or cpu_count or vector_matching_a)
	{group="canary", instance="0", job="api-server"} 301 
	{group="canary", instance="0", job="app-server"} 701 
	{group="canary", instance="1", job="api-server"} 401 
	{group="canary", instance="1", job="app-server"} 801 
	vector_matching_a{l="x"} 10 
	vector_matching_a{l="y"} 20 

eval instant at 50m http_requests{group="canary"} / on(instance,job) http_requests{group="production"}
	{instance="0", job="api-server"} 3 
	{instance="0", job="app-server"} 1.4 
	{instance="1", job="api-server"} 2 
	{instance="1", job="app-server"} 1.3333333333333333 


# Comparisons.
eval instant at 50m SUM(http_requests) BY (job) > 1000
	{job="app-server"} 2600 

eval instant at 50m 1000 < SUM(http_requests) BY (job)
	{job="app-server"} 1000 

eval instant at 50m SUM(http_requests) BY (job) <= 1000
	{job="api-server"} 1000 

eval instant at 50m SUM(http_requests) BY (job) != 1000
	{job="app-server"} 2600 

eval instant at 50m SUM(http_requests) BY (job) == 1000
	{job="api-server"} 1000 

eval instant at 50m SUM(http_requests) BY (job) == bool 1000
	{job="api-server"} 1
	{job="app-server"} 0

eval instant at 50m SUM(http_requests) BY (job) == bool SUM(http_requests) BY (job)
	{job="api-server"} 1
	{job="app-server"} 1

eval instant at 50m SUM(http_requests) BY (job) != bool SUM(http_requests) BY (job)
	{job="api-server"} 0
	{job="app-server"} 0

eval instant at 50m 0 == bool 1
	0

eval instant at 50m 1 == bool 1
	1