redis/go-redis
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Refactor scan signature to work with Slice and StringMap cmds

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This commit is contained in:
Kailash Nadh
2021-02-02 16:28:10 +05:30
parent a4144ea98e
commit f9dfc7a949
4 changed files with 74 additions and 47 deletions
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17
internal/hscan/hscan.go
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@ -46,12 +46,11 @@ var (
structSpecs = newStructMap()
)
// Scan scans the results from a key-value Redis map result set ([]interface{})
// to a destination struct. The Redis keys are matched to the struct's field
// with the `redis` tag.
func Scan(vals []interface{}, dest interface{}) error {
if len(vals)%2 != 0 {
return errors.New("args should have an even number of items (key-val)")
// Scan scans the results from a key-value Redis map result set to a destination struct.
// The Redis keys are matched to the struct's field with the `redis` tag.
func Scan(keys []interface{}, vals []interface{}, dest interface{}) error {
if len(keys) != len(vals) {
return errors.New("args should have the same number of keys and vals")
}
// The destination to scan into should be a struct pointer.
@ -72,13 +71,13 @@ func Scan(vals []interface{}, dest interface{}) error {
fMap := structSpecs.get(typ)
// Iterate through the (key, value) sequence.
for i := 0; i < len(vals); i += 2 {
key, ok := vals[i].(string)
for i := 0; i < len(vals); i++ {
key, ok := keys[i].(string)
if !ok {
continue
}
val, ok := vals[i+1].(string)
val, ok := vals[i].(string)
if !ok {
continue
}