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Merged
merged 3 commits into from
Oct 4, 2022
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docs: another ScanType example with "Hash" as the KeyType #2212

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3046cfa
docs: example ScanType call that passes in Hash and gets all keys
rustymagnet3000 Sep 16, 2022
55ef839
docs: added further example_scantype
rustymagnet3000 Sep 16, 2022
c154907
docs: updated comment of ExampleClient_ScanType_Type_Hash
rustymagnet3000 Sep 16, 2022
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30 changes: 30 additions & 0 deletions example_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -278,6 +278,36 @@ func ExampleClient_ScanType() {
// Output: found 33 keys
}

// ExampleClient_ScanType_Type_Hash uses the KeyType "hash"
// Uses ScanType toZZ loop through lots of "keys" in Redis, 10 at a time, and add each key to a []string
func ExampleClient_ScanType_Type_Hash() {
rdb.FlushDB(ctx)
for i := 0; i < 33; i++ {
err := rdb.HSet(context.TODO(), fmt.Sprintf("key%d", i), "value", "foo").Err()
if err != nil {
panic(err)
}
}

var allKeys []string
var cursor uint64
var err error

for {
var keysFromScan []string
keysFromScan, cursor, err = rdb.ScanType(context.TODO(), cursor, "key*", 10, "hash").Result()
if err != nil {
panic(err)
}
allKeys = append(allKeys, keysFromScan...)
if cursor == 0 {
break
}
}
fmt.Printf("%d keys ready for use\n", len(allKeys))
// Output: 33 keys ready for use\n
}

// ExampleMapStringStringCmd_Scan shows how to scan the results of a map fetch
// into a struct.
func ExampleMapStringStringCmd_Scan() {
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