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40 lines
852 B
Go
40 lines
852 B
Go
package zset
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import (
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"github.com/nalgeon/redka/internal/parser"
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"github.com/nalgeon/redka/internal/redis"
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)
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// Increments the score of a member in a sorted set.
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// ZINCRBY key increment member
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// https://redis.io/commands/zincrby
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type ZIncrBy struct {
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redis.BaseCmd
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Key string
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Delta float64
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Member string
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}
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func ParseZIncrBy(b redis.BaseCmd) (*ZIncrBy, error) {
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cmd := &ZIncrBy{BaseCmd: b}
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err := parser.New(
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parser.String(&cmd.Key),
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parser.Float(&cmd.Delta),
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parser.String(&cmd.Member),
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).Required(3).Run(cmd.Args())
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if err != nil {
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return nil, err
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}
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return cmd, nil
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}
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func (cmd *ZIncrBy) Run(w redis.Writer, red redis.Redka) (any, error) {
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score, err := red.ZSet().Incr(cmd.Key, cmd.Member, cmd.Delta)
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if err != nil {
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w.WriteError(cmd.Error(err))
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return nil, err
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}
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redis.WriteFloat(w, score)
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return score, nil
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}
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