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HyperLogLog Commands

Bases: BaseCommand

Mixin for Redis HyperLogLog cardinality estimation commands (e.g. PFADD, PFCOUNT).

Source code in pyredis/commands/hyperloglog.py
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class HyperLogLog(BaseCommand):
    """Mixin for Redis HyperLogLog cardinality estimation commands (e.g. PFADD, PFCOUNT)."""

    def __init__(self):
        super().__init__()

    def pfadd(self, *args):
        if self._cluster:
            return self.execute(
                *[b"PFADD", *args],
                shard_key=args[0]
            )
        return self.execute(
            *[b"PFADD", *args]
        )

    def pfcount(self, *args):
        if self._cluster:
            return self.execute(
                *[b"PFCOUNT", *args],
                shard_key=args[0]
            )
        return self.execute(
            *[b"PFCOUNT", *args]
        )

    def pfmerge(self, *args):
        if self._cluster:
            return self.execute(
                *[b"PFMERGE", *args],
                shard_key=args[0]
            )
        return self.execute(
            *[b"PFMERGE", *args]
        )

__init__()

Source code in pyredis/commands/hyperloglog.py
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def __init__(self):
    super().__init__()

execute(*args, **kwargs)

Source code in pyredis/commands/base.py
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def execute(self, *args, **kwargs):
    raise NotImplementedError

pfadd(*args)

Source code in pyredis/commands/hyperloglog.py
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def pfadd(self, *args):
    if self._cluster:
        return self.execute(
            *[b"PFADD", *args],
            shard_key=args[0]
        )
    return self.execute(
        *[b"PFADD", *args]
    )

pfcount(*args)

Source code in pyredis/commands/hyperloglog.py
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def pfcount(self, *args):
    if self._cluster:
        return self.execute(
            *[b"PFCOUNT", *args],
            shard_key=args[0]
        )
    return self.execute(
        *[b"PFCOUNT", *args]
    )

pfmerge(*args)

Source code in pyredis/commands/hyperloglog.py
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def pfmerge(self, *args):
    if self._cluster:
        return self.execute(
            *[b"PFMERGE", *args],
            shard_key=args[0]
        )
    return self.execute(
        *[b"PFMERGE", *args]
    )