Ganesh Vernekar 9199fcb8d1 '@ <timestamp>' modifier (#8121) ... This commit adds `@ <timestamp>` modifier as per this design doc: https://docs.google.com/document/d/1uSbD3T2beM-iX4-Hp7V074bzBRiRNlqUdcWP6JTDQSs/edit. An example query: ``` rate(process_cpu_seconds_total[1m]) and topk(7, rate(process_cpu_seconds_total[1h] @ 1234)) ``` which ranks based on last 1h rate and w.r.t. unix timestamp 1234 but actually plots the 1m rate. Signed-off-by: Ganesh Vernekar <cs15btech11018@iith.ac.in>		2021-01-20 16:27:39 +05:30
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timestamp.go	'@ <timestamp>' modifier (#8121)	2021-01-20 16:27:39 +05:30