ncryptf::deadpool_redis::redis

Struct Cmd

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pub struct Cmd { /* private fields */ }
Expand description

Represents redis commands.

Implementations§

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impl Cmd

A command acts as a builder interface to creating encoded redis requests. This allows you to easiy assemble a packed command by chaining arguments together.

Basic example:

redis::Cmd::new().arg("SET").arg("my_key").arg(42);

There is also a helper function called cmd which makes it a tiny bit shorter:

redis::cmd("SET").arg("my_key").arg(42);

Because Rust currently does not have an ideal system for lifetimes of temporaries, sometimes you need to hold on to the initially generated command:

let mut cmd = redis::cmd("SMEMBERS");
let mut iter : redis::Iter<i32> = cmd.arg("my_set").clone().iter(&mut con).unwrap();
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pub fn new() -> Cmd

Creates a new empty command.

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pub fn with_capacity(arg_count: usize, size_of_data: usize) -> Cmd

Creates a new empty command, with at least the requested capcity.

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pub fn arg<T>(&mut self, arg: T) -> &mut Cmd
where T: ToRedisArgs,

Appends an argument to the command. The argument passed must be a type that implements ToRedisArgs. Most primitive types as well as vectors of primitive types implement it.

For instance all of the following are valid:

redis::cmd("SET").arg(&["my_key", "my_value"]);
redis::cmd("SET").arg("my_key").arg(42);
redis::cmd("SET").arg("my_key").arg(b"my_value");
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pub fn cursor_arg(&mut self, cursor: u64) -> &mut Cmd

Works similar to arg but adds a cursor argument. This is always an integer and also flips the command implementation to support a different mode for the iterators where the iterator will ask for another batch of items when the local data is exhausted.

let mut cmd = redis::cmd("SSCAN");
let mut iter : redis::Iter<isize> =
    cmd.arg("my_set").cursor_arg(0).clone().iter(&mut con).unwrap();
for x in iter {
    // do something with the item
}
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pub fn get_packed_command(&self) -> Vec<u8> ⓘ

Returns the packed command as a byte vector.

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pub fn in_scan_mode(&self) -> bool

Returns true if the command is in scan mode.

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pub fn query<T>(&self, con: &mut dyn ConnectionLike) -> Result<T, RedisError>
where T: FromRedisValue,

Sends the command as query to the connection and converts the result to the target redis value. This is the general way how you can retrieve data.

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pub async fn query_async<C, T>(&self, con: &mut C) -> Result<T, RedisError>
where T: FromRedisValue, C: ConnectionLike,

Async version of query.

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pub fn iter<T>( self, con: &mut dyn ConnectionLike, ) -> Result<Iter<'_, T>, RedisError>
where T: FromRedisValue,

Similar to query() but returns an iterator over the items of the bulk result or iterator. In normal mode this is not in any way more efficient than just querying into a Vec<T> as it’s internally implemented as buffering into a vector. This however is useful when cursor_arg was used in which case the iterator will query for more items until the server side cursor is exhausted.

This is useful for commands such as SSCAN, SCAN and others.

One speciality of this function is that it will check if the response looks like a cursor or not and always just looks at the payload. This way you can use the function the same for responses in the format of KEYS (just a list) as well as SSCAN (which returns a tuple of cursor and list).

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pub async fn iter_async<'a, T>( self, con: &'a mut (dyn ConnectionLike + Send), ) -> Result<AsyncIter<'a, T>, RedisError>
where T: FromRedisValue + 'a,

Similar to iter() but returns an AsyncIter over the items of the bulk result or iterator. A futures::Stream is implemented on AsyncIter. In normal mode this is not in any way more efficient than just querying into a Vec<T> as it’s internally implemented as buffering into a vector. This however is useful when cursor_arg was used in which case the stream will query for more items until the server side cursor is exhausted.

This is useful for commands such as SSCAN, SCAN and others in async contexts.

One speciality of this function is that it will check if the response looks like a cursor or not and always just looks at the payload. This way you can use the function the same for responses in the format of KEYS (just a list) as well as SSCAN (which returns a tuple of cursor and list).

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pub fn execute(&self, con: &mut dyn ConnectionLike)

This is a shortcut to query() that does not return a value and will fail the task if the query fails because of an error. This is mainly useful in examples and for simple commands like setting keys.

This is equivalent to a call of query like this:

let _ : () = redis::cmd("PING").query(&mut con).unwrap();
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pub fn args_iter(&self) -> impl Clone + ExactSizeIterator

Returns an iterator over the arguments in this command (including the command name itself)

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impl Cmd

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pub fn get<'a, K>(key: K) -> Cmd
where K: ToRedisArgs,

Get the value of a key. If key is a vec this becomes an MGET.

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pub fn mget<'a, K>(key: K) -> Cmd
where K: ToRedisArgs,

Get values of keys

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pub fn keys<'a, K>(key: K) -> Cmd
where K: ToRedisArgs,

Gets all keys matching pattern

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pub fn set<'a, K, V>(key: K, value: V) -> Cmd
where K: ToRedisArgs, V: ToRedisArgs,

Set the string value of a key.

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pub fn set_options<'a, K, V>(key: K, value: V, options: SetOptions) -> Cmd
where K: ToRedisArgs, V: ToRedisArgs,

Set the string value of a key with options.

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pub fn set_multiple<'a, K, V>(items: &'a [(K, V)]) -> Cmd
where K: ToRedisArgs, V: ToRedisArgs,

👎Deprecated since 0.22.4: Renamed to mset() to reflect Redis name

Sets multiple keys to their values.

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pub fn mset<'a, K, V>(items: &'a [(K, V)]) -> Cmd
where K: ToRedisArgs, V: ToRedisArgs,

Sets multiple keys to their values.

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pub fn set_ex<'a, K, V>(key: K, value: V, seconds: u64) -> Cmd
where K: ToRedisArgs, V: ToRedisArgs,

Set the value and expiration of a key.

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pub fn pset_ex<'a, K, V>(key: K, value: V, milliseconds: u64) -> Cmd
where K: ToRedisArgs, V: ToRedisArgs,

Set the value and expiration in milliseconds of a key.

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pub fn set_nx<'a, K, V>(key: K, value: V) -> Cmd
where K: ToRedisArgs, V: ToRedisArgs,

Set the value of a key, only if the key does not exist

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pub fn mset_nx<'a, K, V>(items: &'a [(K, V)]) -> Cmd
where K: ToRedisArgs, V: ToRedisArgs,

Sets multiple keys to their values failing if at least one already exists.

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pub fn getset<'a, K, V>(key: K, value: V) -> Cmd
where K: ToRedisArgs, V: ToRedisArgs,

Set the string value of a key and return its old value.

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pub fn getrange<'a, K>(key: K, from: isize, to: isize) -> Cmd
where K: ToRedisArgs,

Get a range of bytes/substring from the value of a key. Negative values provide an offset from the end of the value.

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pub fn setrange<'a, K, V>(key: K, offset: isize, value: V) -> Cmd
where K: ToRedisArgs, V: ToRedisArgs,

Overwrite the part of the value stored in key at the specified offset.

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pub fn del<'a, K>(key: K) -> Cmd
where K: ToRedisArgs,

Delete one or more keys.

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pub fn exists<'a, K>(key: K) -> Cmd
where K: ToRedisArgs,

Determine if a key exists.

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pub fn key_type<'a, K>(key: K) -> Cmd
where K: ToRedisArgs,

Determine the type of a key.

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pub fn expire<'a, K>(key: K, seconds: i64) -> Cmd
where K: ToRedisArgs,

Set a key’s time to live in seconds.

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pub fn expire_at<'a, K>(key: K, ts: i64) -> Cmd
where K: ToRedisArgs,

Set the expiration for a key as a UNIX timestamp.

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pub fn pexpire<'a, K>(key: K, ms: i64) -> Cmd
where K: ToRedisArgs,

Set a key’s time to live in milliseconds.

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pub fn pexpire_at<'a, K>(key: K, ts: i64) -> Cmd
where K: ToRedisArgs,

Set the expiration for a key as a UNIX timestamp in milliseconds.

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pub fn persist<'a, K>(key: K) -> Cmd
where K: ToRedisArgs,

Remove the expiration from a key.

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pub fn ttl<'a, K>(key: K) -> Cmd
where K: ToRedisArgs,

Get the expiration time of a key.

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pub fn pttl<'a, K>(key: K) -> Cmd
where K: ToRedisArgs,

Get the expiration time of a key in milliseconds.

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pub fn get_ex<'a, K>(key: K, expire_at: Expiry) -> Cmd
where K: ToRedisArgs,

Get the value of a key and set expiration

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pub fn get_del<'a, K>(key: K) -> Cmd
where K: ToRedisArgs,

Get the value of a key and delete it

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pub fn rename<'a, K, N>(key: K, new_key: N) -> Cmd
where K: ToRedisArgs, N: ToRedisArgs,

Rename a key.

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pub fn rename_nx<'a, K, N>(key: K, new_key: N) -> Cmd
where K: ToRedisArgs, N: ToRedisArgs,

Rename a key, only if the new key does not exist.

Unlink one or more keys.

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pub fn append<'a, K, V>(key: K, value: V) -> Cmd
where K: ToRedisArgs, V: ToRedisArgs,

Append a value to a key.

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pub fn incr<'a, K, V>(key: K, delta: V) -> Cmd
where K: ToRedisArgs, V: ToRedisArgs,

Increment the numeric value of a key by the given amount. This issues a INCRBY or INCRBYFLOAT depending on the type.

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pub fn decr<'a, K, V>(key: K, delta: V) -> Cmd
where K: ToRedisArgs, V: ToRedisArgs,

Decrement the numeric value of a key by the given amount.

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pub fn setbit<'a, K>(key: K, offset: usize, value: bool) -> Cmd
where K: ToRedisArgs,

Sets or clears the bit at offset in the string value stored at key.

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pub fn getbit<'a, K>(key: K, offset: usize) -> Cmd
where K: ToRedisArgs,

Returns the bit value at offset in the string value stored at key.

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pub fn bitcount<'a, K>(key: K) -> Cmd
where K: ToRedisArgs,

Count set bits in a string.

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pub fn bitcount_range<'a, K>(key: K, start: usize, end: usize) -> Cmd
where K: ToRedisArgs,

Count set bits in a string in a range.

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pub fn bit_and<'a, D, S>(dstkey: D, srckeys: S) -> Cmd
where D: ToRedisArgs, S: ToRedisArgs,

Perform a bitwise AND between multiple keys (containing string values) and store the result in the destination key.

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pub fn bit_or<'a, D, S>(dstkey: D, srckeys: S) -> Cmd
where D: ToRedisArgs, S: ToRedisArgs,

Perform a bitwise OR between multiple keys (containing string values) and store the result in the destination key.

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pub fn bit_xor<'a, D, S>(dstkey: D, srckeys: S) -> Cmd
where D: ToRedisArgs, S: ToRedisArgs,

Perform a bitwise XOR between multiple keys (containing string values) and store the result in the destination key.

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pub fn bit_not<'a, D, S>(dstkey: D, srckey: S) -> Cmd
where D: ToRedisArgs, S: ToRedisArgs,

Perform a bitwise NOT of the key (containing string values) and store the result in the destination key.

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pub fn strlen<'a, K>(key: K) -> Cmd
where K: ToRedisArgs,

Get the length of the value stored in a key.

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pub fn hget<'a, K, F>(key: K, field: F) -> Cmd
where K: ToRedisArgs, F: ToRedisArgs,

Gets a single (or multiple) fields from a hash.

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pub fn hdel<'a, K, F>(key: K, field: F) -> Cmd
where K: ToRedisArgs, F: ToRedisArgs,

Deletes a single (or multiple) fields from a hash.

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pub fn hset<'a, K, F, V>(key: K, field: F, value: V) -> Cmd
where K: ToRedisArgs, F: ToRedisArgs, V: ToRedisArgs,

Sets a single field in a hash.

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pub fn hset_nx<'a, K, F, V>(key: K, field: F, value: V) -> Cmd
where K: ToRedisArgs, F: ToRedisArgs, V: ToRedisArgs,

Sets a single field in a hash if it does not exist.

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pub fn hset_multiple<'a, K, F, V>(key: K, items: &'a [(F, V)]) -> Cmd
where K: ToRedisArgs, F: ToRedisArgs, V: ToRedisArgs,

Sets a multiple fields in a hash.

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pub fn hincr<'a, K, F, D>(key: K, field: F, delta: D) -> Cmd
where K: ToRedisArgs, F: ToRedisArgs, D: ToRedisArgs,

Increments a value.

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pub fn hexists<'a, K, F>(key: K, field: F) -> Cmd
where K: ToRedisArgs, F: ToRedisArgs,

Checks if a field in a hash exists.

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pub fn hkeys<'a, K>(key: K) -> Cmd
where K: ToRedisArgs,

Gets all the keys in a hash.

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pub fn hvals<'a, K>(key: K) -> Cmd
where K: ToRedisArgs,

Gets all the values in a hash.

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pub fn hgetall<'a, K>(key: K) -> Cmd
where K: ToRedisArgs,

Gets all the fields and values in a hash.

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pub fn hlen<'a, K>(key: K) -> Cmd
where K: ToRedisArgs,

Gets the length of a hash.

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pub fn blmove<'a, S, D>( srckey: S, dstkey: D, src_dir: Direction, dst_dir: Direction, timeout: f64, ) -> Cmd
where S: ToRedisArgs, D: ToRedisArgs,

Pop an element from a list, push it to another list and return it; or block until one is available

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pub fn blmpop<'a, K>( timeout: f64, numkeys: usize, key: K, dir: Direction, count: usize, ) -> Cmd
where K: ToRedisArgs,

Pops count elements from the first non-empty list key from the list of provided key names; or blocks until one is available.

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pub fn blpop<'a, K>(key: K, timeout: f64) -> Cmd
where K: ToRedisArgs,

Remove and get the first element in a list, or block until one is available.

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pub fn brpop<'a, K>(key: K, timeout: f64) -> Cmd
where K: ToRedisArgs,

Remove and get the last element in a list, or block until one is available.

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pub fn brpoplpush<'a, S, D>(srckey: S, dstkey: D, timeout: f64) -> Cmd
where S: ToRedisArgs, D: ToRedisArgs,

Pop a value from a list, push it to another list and return it; or block until one is available.

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pub fn lindex<'a, K>(key: K, index: isize) -> Cmd
where K: ToRedisArgs,

Get an element from a list by its index.

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pub fn linsert_before<'a, K, P, V>(key: K, pivot: P, value: V) -> Cmd
where K: ToRedisArgs, P: ToRedisArgs, V: ToRedisArgs,

Insert an element before another element in a list.

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pub fn linsert_after<'a, K, P, V>(key: K, pivot: P, value: V) -> Cmd
where K: ToRedisArgs, P: ToRedisArgs, V: ToRedisArgs,

Insert an element after another element in a list.

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pub fn llen<'a, K>(key: K) -> Cmd
where K: ToRedisArgs,

Returns the length of the list stored at key.

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pub fn lmove<'a, S, D>( srckey: S, dstkey: D, src_dir: Direction, dst_dir: Direction, ) -> Cmd
where S: ToRedisArgs, D: ToRedisArgs,

Pop an element a list, push it to another list and return it

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pub fn lmpop<'a, K>(numkeys: usize, key: K, dir: Direction, count: usize) -> Cmd
where K: ToRedisArgs,

Pops count elements from the first non-empty list key from the list of provided key names.

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pub fn lpop<'a, K>(key: K, count: Option<NonZero<usize>>) -> Cmd
where K: ToRedisArgs,

Removes and returns the up to count first elements of the list stored at key.

If count is not specified, then defaults to first element.

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pub fn lpos<'a, K, V>(key: K, value: V, options: LposOptions) -> Cmd
where K: ToRedisArgs, V: ToRedisArgs,

Returns the index of the first matching value of the list stored at key.

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pub fn lpush<'a, K, V>(key: K, value: V) -> Cmd
where K: ToRedisArgs, V: ToRedisArgs,

Insert all the specified values at the head of the list stored at key.

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pub fn lpush_exists<'a, K, V>(key: K, value: V) -> Cmd
where K: ToRedisArgs, V: ToRedisArgs,

Inserts a value at the head of the list stored at key, only if key already exists and holds a list.

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pub fn lrange<'a, K>(key: K, start: isize, stop: isize) -> Cmd
where K: ToRedisArgs,

Returns the specified elements of the list stored at key.

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pub fn lrem<'a, K, V>(key: K, count: isize, value: V) -> Cmd
where K: ToRedisArgs, V: ToRedisArgs,

Removes the first count occurrences of elements equal to value from the list stored at key.

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pub fn ltrim<'a, K>(key: K, start: isize, stop: isize) -> Cmd
where K: ToRedisArgs,

Trim an existing list so that it will contain only the specified range of elements specified.

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pub fn lset<'a, K, V>(key: K, index: isize, value: V) -> Cmd
where K: ToRedisArgs, V: ToRedisArgs,

Sets the list element at index to value

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pub fn rpop<'a, K>(key: K, count: Option<NonZero<usize>>) -> Cmd
where K: ToRedisArgs,

Removes and returns the up to count last elements of the list stored at key

If count is not specified, then defaults to last element.

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pub fn rpoplpush<'a, K, D>(key: K, dstkey: D) -> Cmd
where K: ToRedisArgs, D: ToRedisArgs,

Pop a value from a list, push it to another list and return it.

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pub fn rpush<'a, K, V>(key: K, value: V) -> Cmd
where K: ToRedisArgs, V: ToRedisArgs,

Insert all the specified values at the tail of the list stored at key.

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pub fn rpush_exists<'a, K, V>(key: K, value: V) -> Cmd
where K: ToRedisArgs, V: ToRedisArgs,

Inserts value at the tail of the list stored at key, only if key already exists and holds a list.

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pub fn sadd<'a, K, M>(key: K, member: M) -> Cmd
where K: ToRedisArgs, M: ToRedisArgs,

Add one or more members to a set.

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pub fn scard<'a, K>(key: K) -> Cmd
where K: ToRedisArgs,

Get the number of members in a set.

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pub fn sdiff<'a, K>(keys: K) -> Cmd
where K: ToRedisArgs,

Subtract multiple sets.

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pub fn sdiffstore<'a, D, K>(dstkey: D, keys: K) -> Cmd
where D: ToRedisArgs, K: ToRedisArgs,

Subtract multiple sets and store the resulting set in a key.

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pub fn sinter<'a, K>(keys: K) -> Cmd
where K: ToRedisArgs,

Intersect multiple sets.

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pub fn sinterstore<'a, D, K>(dstkey: D, keys: K) -> Cmd
where D: ToRedisArgs, K: ToRedisArgs,

Intersect multiple sets and store the resulting set in a key.

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pub fn sismember<'a, K, M>(key: K, member: M) -> Cmd
where K: ToRedisArgs, M: ToRedisArgs,

Determine if a given value is a member of a set.

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pub fn smismember<'a, K, M>(key: K, members: M) -> Cmd
where K: ToRedisArgs, M: ToRedisArgs,

Determine if given values are members of a set.

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pub fn smembers<'a, K>(key: K) -> Cmd
where K: ToRedisArgs,

Get all the members in a set.

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pub fn smove<'a, S, D, M>(srckey: S, dstkey: D, member: M) -> Cmd
where S: ToRedisArgs, D: ToRedisArgs, M: ToRedisArgs,

Move a member from one set to another.

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pub fn spop<'a, K>(key: K) -> Cmd
where K: ToRedisArgs,

Remove and return a random member from a set.

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pub fn srandmember<'a, K>(key: K) -> Cmd
where K: ToRedisArgs,

Get one random member from a set.

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pub fn srandmember_multiple<'a, K>(key: K, count: usize) -> Cmd
where K: ToRedisArgs,

Get multiple random members from a set.

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pub fn srem<'a, K, M>(key: K, member: M) -> Cmd
where K: ToRedisArgs, M: ToRedisArgs,

Remove one or more members from a set.

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pub fn sunion<'a, K>(keys: K) -> Cmd
where K: ToRedisArgs,

Add multiple sets.

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pub fn sunionstore<'a, D, K>(dstkey: D, keys: K) -> Cmd
where D: ToRedisArgs, K: ToRedisArgs,

Add multiple sets and store the resulting set in a key.

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pub fn zadd<'a, K, S, M>(key: K, member: M, score: S) -> Cmd
where K: ToRedisArgs, S: ToRedisArgs, M: ToRedisArgs,

Add one member to a sorted set, or update its score if it already exists.

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pub fn zadd_multiple<'a, K, S, M>(key: K, items: &'a [(S, M)]) -> Cmd
where K: ToRedisArgs, S: ToRedisArgs, M: ToRedisArgs,

Add multiple members to a sorted set, or update its score if it already exists.

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pub fn zcard<'a, K>(key: K) -> Cmd
where K: ToRedisArgs,

Get the number of members in a sorted set.

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pub fn zcount<'a, K, M, MM>(key: K, min: M, max: MM) -> Cmd
where K: ToRedisArgs, M: ToRedisArgs, MM: ToRedisArgs,

Count the members in a sorted set with scores within the given values.

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pub fn zincr<'a, K, M, D>(key: K, member: M, delta: D) -> Cmd
where K: ToRedisArgs, M: ToRedisArgs, D: ToRedisArgs,

Increments the member in a sorted set at key by delta. If the member does not exist, it is added with delta as its score.

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pub fn zinterstore<'a, D, K>(dstkey: D, keys: &'a [K]) -> Cmd
where D: ToRedisArgs, K: ToRedisArgs,

Intersect multiple sorted sets and store the resulting sorted set in a new key using SUM as aggregation function.

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pub fn zinterstore_min<'a, D, K>(dstkey: D, keys: &'a [K]) -> Cmd
where D: ToRedisArgs, K: ToRedisArgs,

Intersect multiple sorted sets and store the resulting sorted set in a new key using MIN as aggregation function.

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pub fn zinterstore_max<'a, D, K>(dstkey: D, keys: &'a [K]) -> Cmd
where D: ToRedisArgs, K: ToRedisArgs,

Intersect multiple sorted sets and store the resulting sorted set in a new key using MAX as aggregation function.

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pub fn zinterstore_weights<'a, D, K, W>(dstkey: D, keys: &'a [(K, W)]) -> Cmd
where D: ToRedisArgs, K: ToRedisArgs, W: ToRedisArgs,

Commands::zinterstore, but with the ability to specify a multiplication factor for each sorted set by pairing one with each key in a tuple.

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pub fn zinterstore_min_weights<'a, D, K, W>( dstkey: D, keys: &'a [(K, W)], ) -> Cmd
where D: ToRedisArgs, K: ToRedisArgs, W: ToRedisArgs,

Commands::zinterstore_min, but with the ability to specify a multiplication factor for each sorted set by pairing one with each key in a tuple.

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pub fn zinterstore_max_weights<'a, D, K, W>( dstkey: D, keys: &'a [(K, W)], ) -> Cmd
where D: ToRedisArgs, K: ToRedisArgs, W: ToRedisArgs,

Commands::zinterstore_max, but with the ability to specify a multiplication factor for each sorted set by pairing one with each key in a tuple.

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pub fn zlexcount<'a, K, M, MM>(key: K, min: M, max: MM) -> Cmd
where K: ToRedisArgs, M: ToRedisArgs, MM: ToRedisArgs,

Count the number of members in a sorted set between a given lexicographical range.

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pub fn bzpopmax<'a, K>(key: K, timeout: f64) -> Cmd
where K: ToRedisArgs,

Removes and returns the member with the highest score in a sorted set. Blocks until a member is available otherwise.

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pub fn zpopmax<'a, K>(key: K, count: isize) -> Cmd
where K: ToRedisArgs,

Removes and returns up to count members with the highest scores in a sorted set

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pub fn bzpopmin<'a, K>(key: K, timeout: f64) -> Cmd
where K: ToRedisArgs,

Removes and returns the member with the lowest score in a sorted set. Blocks until a member is available otherwise.

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pub fn zpopmin<'a, K>(key: K, count: isize) -> Cmd
where K: ToRedisArgs,

Removes and returns up to count members with the lowest scores in a sorted set

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pub fn bzmpop_max<'a, K>(timeout: f64, keys: &'a [K], count: isize) -> Cmd
where K: ToRedisArgs,

Removes and returns up to count members with the highest scores, from the first non-empty sorted set in the provided list of key names. Blocks until a member is available otherwise.

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pub fn zmpop_max<'a, K>(keys: &'a [K], count: isize) -> Cmd
where K: ToRedisArgs,

Removes and returns up to count members with the highest scores, from the first non-empty sorted set in the provided list of key names.

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pub fn bzmpop_min<'a, K>(timeout: f64, keys: &'a [K], count: isize) -> Cmd
where K: ToRedisArgs,

Removes and returns up to count members with the lowest scores, from the first non-empty sorted set in the provided list of key names. Blocks until a member is available otherwise.

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pub fn zmpop_min<'a, K>(keys: &'a [K], count: isize) -> Cmd
where K: ToRedisArgs,

Removes and returns up to count members with the lowest scores, from the first non-empty sorted set in the provided list of key names.

Source

pub fn zrandmember<'a, K>(key: K, count: Option<isize>) -> Cmd
where K: ToRedisArgs,

Return up to count random members in a sorted set (or 1 if count == None)

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pub fn zrandmember_withscores<'a, K>(key: K, count: isize) -> Cmd
where K: ToRedisArgs,

Return up to count random members in a sorted set with scores

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pub fn zrange<'a, K>(key: K, start: isize, stop: isize) -> Cmd
where K: ToRedisArgs,

Return a range of members in a sorted set, by index

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pub fn zrange_withscores<'a, K>(key: K, start: isize, stop: isize) -> Cmd
where K: ToRedisArgs,

Return a range of members in a sorted set, by index with scores.

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pub fn zrangebylex<'a, K, M, MM>(key: K, min: M, max: MM) -> Cmd
where K: ToRedisArgs, M: ToRedisArgs, MM: ToRedisArgs,

Return a range of members in a sorted set, by lexicographical range.

Source

pub fn zrangebylex_limit<'a, K, M, MM>( key: K, min: M, max: MM, offset: isize, count: isize, ) -> Cmd
where K: ToRedisArgs, M: ToRedisArgs, MM: ToRedisArgs,

Return a range of members in a sorted set, by lexicographical range with offset and limit.

Source

pub fn zrevrangebylex<'a, K, MM, M>(key: K, max: MM, min: M) -> Cmd
where K: ToRedisArgs, MM: ToRedisArgs, M: ToRedisArgs,

Return a range of members in a sorted set, by lexicographical range.

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pub fn zrevrangebylex_limit<'a, K, MM, M>( key: K, max: MM, min: M, offset: isize, count: isize, ) -> Cmd
where K: ToRedisArgs, MM: ToRedisArgs, M: ToRedisArgs,

Return a range of members in a sorted set, by lexicographical range with offset and limit.

Source

pub fn zrangebyscore<'a, K, M, MM>(key: K, min: M, max: MM) -> Cmd
where K: ToRedisArgs, M: ToRedisArgs, MM: ToRedisArgs,

Return a range of members in a sorted set, by score.

Source

pub fn zrangebyscore_withscores<'a, K, M, MM>(key: K, min: M, max: MM) -> Cmd
where K: ToRedisArgs, M: ToRedisArgs, MM: ToRedisArgs,

Return a range of members in a sorted set, by score with scores.

Source

pub fn zrangebyscore_limit<'a, K, M, MM>( key: K, min: M, max: MM, offset: isize, count: isize, ) -> Cmd
where K: ToRedisArgs, M: ToRedisArgs, MM: ToRedisArgs,

Return a range of members in a sorted set, by score with limit.

Source

pub fn zrangebyscore_limit_withscores<'a, K, M, MM>( key: K, min: M, max: MM, offset: isize, count: isize, ) -> Cmd
where K: ToRedisArgs, M: ToRedisArgs, MM: ToRedisArgs,

Return a range of members in a sorted set, by score with limit with scores.

Source

pub fn zrank<'a, K, M>(key: K, member: M) -> Cmd
where K: ToRedisArgs, M: ToRedisArgs,

Determine the index of a member in a sorted set.

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pub fn zrem<'a, K, M>(key: K, members: M) -> Cmd
where K: ToRedisArgs, M: ToRedisArgs,

Remove one or more members from a sorted set.

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pub fn zrembylex<'a, K, M, MM>(key: K, min: M, max: MM) -> Cmd
where K: ToRedisArgs, M: ToRedisArgs, MM: ToRedisArgs,

Remove all members in a sorted set between the given lexicographical range.

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pub fn zremrangebyrank<'a, K>(key: K, start: isize, stop: isize) -> Cmd
where K: ToRedisArgs,

Remove all members in a sorted set within the given indexes.

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pub fn zrembyscore<'a, K, M, MM>(key: K, min: M, max: MM) -> Cmd
where K: ToRedisArgs, M: ToRedisArgs, MM: ToRedisArgs,

Remove all members in a sorted set within the given scores.

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pub fn zrevrange<'a, K>(key: K, start: isize, stop: isize) -> Cmd
where K: ToRedisArgs,

Return a range of members in a sorted set, by index, with scores ordered from high to low.

Source

pub fn zrevrange_withscores<'a, K>(key: K, start: isize, stop: isize) -> Cmd
where K: ToRedisArgs,

Return a range of members in a sorted set, by index, with scores ordered from high to low.

Source

pub fn zrevrangebyscore<'a, K, MM, M>(key: K, max: MM, min: M) -> Cmd
where K: ToRedisArgs, MM: ToRedisArgs, M: ToRedisArgs,

Return a range of members in a sorted set, by score.

Source

pub fn zrevrangebyscore_withscores<'a, K, MM, M>(key: K, max: MM, min: M) -> Cmd
where K: ToRedisArgs, MM: ToRedisArgs, M: ToRedisArgs,

Return a range of members in a sorted set, by score with scores.

Source

pub fn zrevrangebyscore_limit<'a, K, MM, M>( key: K, max: MM, min: M, offset: isize, count: isize, ) -> Cmd
where K: ToRedisArgs, MM: ToRedisArgs, M: ToRedisArgs,

Return a range of members in a sorted set, by score with limit.

Source

pub fn zrevrangebyscore_limit_withscores<'a, K, MM, M>( key: K, max: MM, min: M, offset: isize, count: isize, ) -> Cmd
where K: ToRedisArgs, MM: ToRedisArgs, M: ToRedisArgs,

Return a range of members in a sorted set, by score with limit with scores.

Source

pub fn zrevrank<'a, K, M>(key: K, member: M) -> Cmd
where K: ToRedisArgs, M: ToRedisArgs,

Determine the index of a member in a sorted set, with scores ordered from high to low.

Source

pub fn zscore<'a, K, M>(key: K, member: M) -> Cmd
where K: ToRedisArgs, M: ToRedisArgs,

Get the score associated with the given member in a sorted set.

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pub fn zscore_multiple<'a, K, M>(key: K, members: &'a [M]) -> Cmd
where K: ToRedisArgs, M: ToRedisArgs,

Get the scores associated with multiple members in a sorted set.

Source

pub fn zunionstore<'a, D, K>(dstkey: D, keys: &'a [K]) -> Cmd
where D: ToRedisArgs, K: ToRedisArgs,

Unions multiple sorted sets and store the resulting sorted set in a new key using SUM as aggregation function.

Source

pub fn zunionstore_min<'a, D, K>(dstkey: D, keys: &'a [K]) -> Cmd
where D: ToRedisArgs, K: ToRedisArgs,

Unions multiple sorted sets and store the resulting sorted set in a new key using MIN as aggregation function.

Source

pub fn zunionstore_max<'a, D, K>(dstkey: D, keys: &'a [K]) -> Cmd
where D: ToRedisArgs, K: ToRedisArgs,

Unions multiple sorted sets and store the resulting sorted set in a new key using MAX as aggregation function.

Source

pub fn zunionstore_weights<'a, D, K, W>(dstkey: D, keys: &'a [(K, W)]) -> Cmd
where D: ToRedisArgs, K: ToRedisArgs, W: ToRedisArgs,

Commands::zunionstore, but with the ability to specify a multiplication factor for each sorted set by pairing one with each key in a tuple.

Source

pub fn zunionstore_min_weights<'a, D, K, W>( dstkey: D, keys: &'a [(K, W)], ) -> Cmd
where D: ToRedisArgs, K: ToRedisArgs, W: ToRedisArgs,

Commands::zunionstore_min, but with the ability to specify a multiplication factor for each sorted set by pairing one with each key in a tuple.

Source

pub fn zunionstore_max_weights<'a, D, K, W>( dstkey: D, keys: &'a [(K, W)], ) -> Cmd
where D: ToRedisArgs, K: ToRedisArgs, W: ToRedisArgs,

Commands::zunionstore_max, but with the ability to specify a multiplication factor for each sorted set by pairing one with each key in a tuple.

Source

pub fn pfadd<'a, K, E>(key: K, element: E) -> Cmd
where K: ToRedisArgs, E: ToRedisArgs,

Adds the specified elements to the specified HyperLogLog.

Source

pub fn pfcount<'a, K>(key: K) -> Cmd
where K: ToRedisArgs,

Return the approximated cardinality of the set(s) observed by the HyperLogLog at key(s).

Source

pub fn pfmerge<'a, D, S>(dstkey: D, srckeys: S) -> Cmd
where D: ToRedisArgs, S: ToRedisArgs,

Merge N different HyperLogLogs into a single one.

Source

pub fn publish<'a, K, E>(channel: K, message: E) -> Cmd
where K: ToRedisArgs, E: ToRedisArgs,

Posts a message to the given channel.

Source

pub fn object_encoding<'a, K>(key: K) -> Cmd
where K: ToRedisArgs,

Returns the encoding of a key.

Source

pub fn object_idletime<'a, K>(key: K) -> Cmd
where K: ToRedisArgs,

Returns the time in seconds since the last access of a key.

Source

pub fn object_freq<'a, K>(key: K) -> Cmd
where K: ToRedisArgs,

Returns the logarithmic access frequency counter of a key.

Source

pub fn object_refcount<'a, K>(key: K) -> Cmd
where K: ToRedisArgs,

Returns the reference count of a key.

Source

pub fn xrevrange_all<'a, K>(key: K) -> Cmd
where K: ToRedisArgs,

This is the reverse version of xrange_all. The same rules apply for start and end here.

XREVRANGE key + -

Trait Implementations§

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impl Clone for Cmd

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fn clone(&self) -> Cmd

Returns a duplicate of the value. Read more
1.0.0 · Source§

const fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Default for Cmd

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fn default() -> Cmd

Returns the “default value” for a type. Read more
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impl RedisWrite for Cmd

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fn write_arg(&mut self, arg: &[u8])

Accepts a serialized redis command.
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fn write_arg_fmt(&mut self, arg: impl Display)

Accepts a serialized redis command.

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impl Freeze for Cmd

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impl RefUnwindSafe for Cmd

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impl Send for Cmd

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impl Sync for Cmd

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impl Unpin for Cmd

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impl UnwindSafe for Cmd

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🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dest. Read more
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impl<T> ErasedDestructor for T
where T: 'static,