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package internal
import (
"fmt"
"time"
)
const (
dateFormat = "2006-01-02"
timeFormat = "15:04:05.999999999"
timestampFormat = "2006-01-02 15:04:05.999999999"
timestamptzFormat = "2006-01-02 15:04:05.999999999-07:00:00"
timestamptzFormat2 = "2006-01-02 15:04:05.999999999-07:00"
timestamptzFormat3 = "2006-01-02 15:04:05.999999999-07"
)
func ParseTime(s string) (time.Time, error) {
switch l := len(s); {
case l < len("15:04:05"):
return time.Time{}, fmt.Errorf("bun: can't parse time=%q", s)
case l <= len(timeFormat):
if s[2] == ':' {
return time.ParseInLocation(timeFormat, s, time.UTC)
}
return time.ParseInLocation(dateFormat, s, time.UTC)
default:
if s[10] == 'T' {
return time.Parse(time.RFC3339Nano, s)
}
if c := s[l-9]; c == '+' || c == '-' {
return time.Parse(timestamptzFormat, s)
}
if c := s[l-6]; c == '+' || c == '-' {
return time.Parse(timestamptzFormat2, s)
}
if c := s[l-3]; c == '+' || c == '-' {
return time.Parse(timestamptzFormat3, s)
}
return time.ParseInLocation(timestampFormat, s, time.UTC)
}
}
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