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clientv3: compare helper functions to set range/prefix

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This commit is contained in:
Anthony Romano 2017-06-01 18:13:01 -07:00
parent fafb054624
commit fcf1abd23b
1 changed files with 12 additions and 0 deletions
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12
clientv3/compare.go
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@ -99,6 +99,18 @@ func (cmp *Cmp) ValueBytes() []byte {
// WithValueBytes sets the byte slice for the comparison's value.
func (cmp *Cmp) WithValueBytes(v []byte) { cmp.TargetUnion.(*pb.Compare_Value).Value = v }
// WithRange sets the comparison to scan the range [key, end).
func (cmp Cmp) WithRange(end string) Cmp {
cmp.RangeEnd = []byte(end)
return cmp
}
// WithPrefix sets the comparison to scan all keys prefixed by the key.
func (cmp Cmp) WithPrefix() Cmp {
cmp.RangeEnd = getPrefix(cmp.Key)
return cmp
}
func mustInt64(val interface{}) int64 {
if v, ok := val.(int64); ok {
return v