scriptoriumadmin/featurebase
1
0
Fork 0
mirror of https://github.com/featurebasedb/featurebase.git synced 2026-09-10 07:01:01 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

setting time quantum value on date tiles

Browse source
This commit is contained in:
Todd Gruben 2014-09-22 20:00:58 +00:00
parent d6510791ca
commit 7b0681136a
1 changed files with 11 additions and 7 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

18
index/timeframe.go
View file

@ -1,21 +1,25 @@
package index
import "time"
import (
"time"
)
type TimeQuantum uint
const (
Y TimeQuantum = 0
YM
YMD
YMDH
Y TimeQuantum = 3
YM TimeQuantum = 2
YMD TimeQuantum = 1
YMDH TimeQuantum = 0
)
func GetTimeID(t TimeQuantum, year uint, month uint, day uint, hour uint, tile_id uint64) uint64 {
y := year - 1970 //config.startyear
time_stamp := uint64((uint(t) << 30) | (y << 23) | (month << 19) | (day << 14) | (hour << 9))
time_stamp = time_stamp << 32
return time_stamp | tile_id
result := time_stamp | tile_id
return result
}
func GetTimeIds(tile_id uint64, atime time.Time, min_quantum TimeQuantum) []uint64 {
@ -41,7 +45,7 @@ func GetTimeIds(tile_id uint64, atime time.Time, min_quantum TimeQuantum) []uint
}
if min_quantum <= YMDH {
id := GetTimeID(Y, year, uint(month), uint(day), uint(hour), tile_id)
id := GetTimeID(YMDH, year, uint(month), uint(day), uint(hour), tile_id)
results = append(results, id)
}