104 lines
2.2 KiB
Go
104 lines
2.2 KiB
Go
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package partman
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import (
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"fmt"
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"time"
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)
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const (
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daysInWeek = 7
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)
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type weeklyPartition struct {
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t time.Time
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}
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func (d weeklyPartition) PartitionName() string {
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return fmt.Sprintf("calls_p_%d_w%02d_%02d", d.t.Year(), d.t.Month(), d.t.Day())
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}
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func (d weeklyPartition) Range() (start, end time.Time) {
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start = time.Date(d.t.Year(), d.t.Month(), d.t.Day(), 0, 0, 0, 0, d.t.UTC().Location()).AddDate(0, 0, -int(d.t.Weekday()-time.Monday))
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start = start.AddDate(0, 0, daysInWeek)
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return
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}
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func (d weeklyPartition) Next(i int) partition {
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year, month, day := d.t.Date()
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return weeklyPartition{
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t: time.Date(year, month, day+i, 0, 0, 0, 0, time.UTC),
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}
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}
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func (d weeklyPartition) Prev(i int) partition {
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year, month, day := d.t.Date()
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return weeklyPartition{
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t: time.Date(year, month, day-i, 0, 0, 0, 0, d.t.Location()),
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}
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}
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type dailyPartition struct {
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t time.Time
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}
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func (d dailyPartition) PartitionName() string {
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return fmt.Sprintf("calls_p_%d_%02d_%02d", d.t.Year(), d.t.Month(), d.t.Day())
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}
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func (d dailyPartition) Range() (start, end time.Time) {
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start = time.Date(d.t.Year(), d.t.Month(), d.t.Day(), 0, 0, 0, 0, time.UTC)
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end = start.AddDate(0, 0, 1)
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return
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}
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func (d dailyPartition) Next(i int) partition {
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year, month, day := d.t.Date()
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return dailyPartition{
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t: time.Date(year, month, day+i, 0, 0, 0, 0, time.UTC),
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}
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}
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func (d dailyPartition) Prev(i int) partition {
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year, month, day := d.t.Date()
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return dailyPartition{
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t: time.Date(year, month, day-i, 0, 0, 0, 0, d.t.Location()),
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}
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}
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type monthlyPartition struct {
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t time.Time
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}
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func (d monthlyPartition) PartitionName() string {
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return fmt.Sprintf("calls_p_%d_%02d", d.t.Year(), d.t.Month())
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}
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func (d monthlyPartition) Range() (start, end time.Time) {
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start = time.Date(d.t.Year(), d.t.Month(), 1, 0, 0, 0, 0, time.UTC)
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end = start.AddDate(0, 1, 0)
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return
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}
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func (d monthlyPartition) Next(i int) partition {
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year, month, _ := d.t.Date()
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return monthlyPartition{
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t: time.Date(year, month+time.Month(i), 1, 0, 0, 0, 0, time.UTC),
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}
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}
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func (d monthlyPartition) Prev(i int) partition {
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year, month, _ := d.t.Date()
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return monthlyPartition{
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t: time.Date(year, month-time.Month(i), 1, 0, 0, 0, 0, d.t.Location()),
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}
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}
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