68 lines
1.4 KiB
Go
68 lines
1.4 KiB
Go
package replication
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import (
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"fmt"
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"strings"
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"time"
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)
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var (
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fracTimeFormat []string
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)
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// fracTime is a help structure wrapping Golang Time.
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type fracTime struct {
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time.Time
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// Dec must in [0, 6]
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Dec int
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timestampStringLocation *time.Location
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}
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func (t fracTime) String() string {
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tt := t.Time
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if t.timestampStringLocation != nil {
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tt = tt.In(t.timestampStringLocation)
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}
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return tt.Format(fracTimeFormat[t.Dec])
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}
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func formatZeroTime(frac int, dec int) string {
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if dec == 0 {
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return "0000-00-00 00:00:00"
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}
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s := fmt.Sprintf("0000-00-00 00:00:00.%06d", frac)
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// dec must < 6, if frac is 924000, but dec is 3, we must output 924 here.
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return s[0 : len(s)-(6-dec)]
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}
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func formatBeforeUnixZeroTime(year, month, day, hour, minute, second, frac, dec int) string {
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if dec == 0 {
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return fmt.Sprintf("%04d-%02d-%02d %02d:%02d:%02d", year, month, day, hour, minute, second)
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}
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s := fmt.Sprintf("%04d-%02d-%02d %02d:%02d:%02d.%06d", year, month, day, hour, minute, second, frac)
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// dec must < 6, if frac is 924000, but dec is 3, we must output 924 here.
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return s[0 : len(s)-(6-dec)]
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}
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func microSecTimestampToTime(ts uint64) time.Time {
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if ts == 0 {
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return time.Time{}
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}
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return time.Unix(int64(ts/1000000), int64(ts%1000000)*1000)
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}
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func init() {
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fracTimeFormat = make([]string, 7)
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fracTimeFormat[0] = "2006-01-02 15:04:05"
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for i := 1; i <= 6; i++ {
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fracTimeFormat[i] = fmt.Sprintf("2006-01-02 15:04:05.%s", strings.Repeat("0", i))
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}
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}
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