本文整理汇总了Golang中github.com/cockroachdb/cockroach/util/duration.Duration.Add方法的典型用法代码示例。如果您正苦于以下问题:Golang Duration.Add方法的具体用法?Golang Duration.Add怎么用?Golang Duration.Add使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类github.com/cockroachdb/cockroach/util/duration.Duration
的用法示例。
在下文中一共展示了Duration.Add方法的2个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Golang代码示例。
示例1: iso8601ToDuration
// Parses an ISO8601 (with designators) string.
// See the following links for examples:
// - http://www.postgresql.org/docs/9.1/static/datatype-datetime.html#DATATYPE-INTERVAL-INPUT-EXAMPLES
// - https://en.wikipedia.org/wiki/ISO_8601#Time_intervals
// - https://en.wikipedia.org/wiki/ISO_8601#Durations
func iso8601ToDuration(s string) (duration.Duration, error) {
var d duration.Duration
if len(s) == 0 || s[0] != 'P' {
return d, fmt.Errorf("interval: invalid iso8601 duration %s", s)
}
// Advance to offset 1, since we don't care about the leading P.
l := intervalLexer{str: s, offset: 1, err: nil}
unitMap := isoDateUnitMap
for l.offset < len(s) {
// Check if we're in the time part yet.
if s[l.offset] == 'T' {
unitMap = isoTimeUnitMap
l.offset++
}
v := l.consumeInt()
u := l.consumeUnit('T')
if l.err != nil {
return d, l.err
}
if unit, ok := unitMap[u]; ok {
d = d.Add(unit.Mul(v))
} else {
return d, fmt.Errorf("interval: unknown unit %s in iso8601 duration %s", u, s)
}
}
return d, nil
}
示例2: postgresToDuration
// Parses a duration in the "traditional" Postgres format.
func postgresToDuration(s string) (duration.Duration, error) {
var d duration.Duration
l := intervalLexer{str: s, offset: 0, err: nil}
for l.offset != len(l.str) {
v := l.consumeInt()
l.consumeSpaces()
u := l.consumeUnit(' ')
l.consumeSpaces()
if unit, ok := postgresUnitMap[u]; ok {
d = d.Add(unit.Mul(v))
} else {
return d, fmt.Errorf("interval: unknown unit %s in postgres duration %s", u, s)
}
}
return d, nil
}