description |
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This section contains reference documentation for the ago function. |
Return time as epoch millis before the given period (in ISO-8601 duration format).
Examples:
- "PT20.345S" -- parses as "20.345 seconds"
- "PT15M" -- parses as "15 minutes" (where a minute is 60 seconds)
- "PT10H" -- parses as "10 hours" (where an hour is 3600 seconds)
- "P2D" -- parses as "2 days" (where a day is 24 hours or 86400 seconds)
- "P2DT3H4M" -- parses as "2 days, 3 hours and 4 minutes"
- "P-6H3M" -- parses as "-6 hours and +3 minutes"
- "-P6H3M" -- parses as "-6 hours and -3 minutes"
- "-P-6H+3M" -- parses as "+6 hours and -3 minutes"
ago()
select ago('P1D') AS oneDayAgo
FROM ignoreMe
oneDayAgo |
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This function is typically used in the predicate to filter on timestamps for recent data. e.g. filter data on recent 1 day.
SELECT *
FROM tableName
WHERE tsInMillis > ago('P1D')