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Copy file name to clipboardExpand all lines: content/apis/_index.md
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@@ -26,12 +26,12 @@ The existing Redis commands cover most use cases, but if low latency is a critic
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Lua scripts have been available since early versions of Redis. With Lua, the script is provided by the client and cached on the server side, which implies the risk that different clients might use a different script version.
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-[Redis Lua API reference]({{< relref "/develop/interact/programmability/lua-api" >}})
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-[Scripting with Lua introduction]({{< relref "/develop/interact/programmability/eval-intro" >}})
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-[Redis Lua API reference]({{< relref "/develop/programmability/lua-api" >}})
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-[Scripting with Lua introduction]({{< relref "/develop/programmability/eval-intro" >}})
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The Redis functions feature, which became available in Redis 7, supersedes the use of Lua in prior versions of Redis. The client is still responsible for invoking the execution, but unlike the previous Lua scripts, functions can now be replicated and persisted.
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-[Functions and scripting in Redis 7 and beyond]({{< relref "/develop/interact/programmability/functions-intro" >}})
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-[Functions and scripting in Redis 7 and beyond]({{< relref "/develop/programmability/functions-intro" >}})
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If none of the previous methods fulfills your needs, then you can extend the functionality of Redis with new commands using the Redis Modules API.
Copy file name to clipboardExpand all lines: content/commands/bf.add.md
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@@ -49,13 +49,6 @@ If `key` does not exist - a new Bloom filter is created with default error rate,
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is an item to add.
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</details>
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## Return value
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Returns one of these replies:
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-[Integer reply]({{< relref "/develop/reference/protocol-spec#integers" >}}) - where "1" means that the item has been added successfully, and "0" means that such item was already added to the filter (which could be wrong)
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-[] on error (invalid arguments, wrong key type, etc.) and also when the filter is full
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## Examples
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{{< highlight bash >}}
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redis> BF.ADD bf item1
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(integer) 0
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{{< / highlight >}}
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## Return information
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{{< multitabs id="bf-add-return-info"
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tab1="RESP2"
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tab2="RESP3" >}}
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One of the following:
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*[Integer reply]({{< relref "/develop/reference/protocol-spec#integers" >}}): `1` for successfully adding an item, or `0` if there's a probability that the item was already added to the filter.
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*[Simple error reply]({{< relref "/develop/reference/protocol-spec#simple-errors" >}}) in these cases: invalid arguments, wrong key type, or when the filter is full.
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-tab-sep-
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One of the following:
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*[Boolean reply]({{< relref "/develop/reference/protocol-spec#booleans" >}}): `true` for successfully adding an item, or `false` if there's a probability that the item was already added to the filter.
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*[Simple error reply]({{< relref "/develop/reference/protocol-spec#simple-errors" >}}) in these cases: invalid arguments, wrong key type, or when the filter is full.
Copy file name to clipboardExpand all lines: content/commands/bf.card.md
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</details>
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## Return value
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Returns one of these replies:
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-[Integer reply]({{< relref "/develop/reference/protocol-spec#integers" >}}) - the number of items that were added to this Bloom filter and detected as unique (items that caused at least one bit to be set in at least one sub-filter), or 0 when `key` does not exist.
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-[] on error (invalid arguments, wrong key type, etc.)
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Note: when `key` exists - return the same value as `BF.INFO key ITEMS`.
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## Examples
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{{< highlight bash >}}
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redis> BF.CARD bf_new
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(integer) 0
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{{< / highlight >}}
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## Return information
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{{< multitabs id="bf-card-return-info"
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tab1="RESP2"
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tab2="RESP3" >}}
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One of the following:
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*[Integer reply]({{< relref "/develop/reference/protocol-spec#integers" >}}): the number of items detected as unique that were added to the Bloom filter (items that caused at least one bit to be set in at least one sub-filter), or `0` when the given `key` does not exist.
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*[Simple error reply]({{< relref "/develop/reference/protocol-spec#simple-errors" >}}) in these cases: invalid arguments, wrong key type, or when the filter is full.
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Note: when `key` exists, `BF.CARD` returns the same value as `BF.INFO key ITEMS`.
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One of the following:
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*[Integer reply]({{< relref "/develop/reference/protocol-spec#integers" >}}): the number of items detected as unique that were added to the Bloom filter (items that caused at least one bit to be set in at least one sub-filter), or `0` when the given `key` does not exist.
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*[Simple error reply]({{< relref "/develop/reference/protocol-spec#simple-errors" >}}) in these cases: invalid arguments, wrong key type, or when the filter is full.
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Note: when `key` exists, `BF.CARD` returns the same value as `BF.INFO key ITEMS`.
Copy file name to clipboardExpand all lines: content/commands/bf.exists.md
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is an item to check.
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</details>
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## Return value
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Returns one of these replies:
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-[Integer reply]({{< relref "/develop/reference/protocol-spec#integers" >}}), where `1` means that, with high probability, `item` was already added to the filter, and `0` means that `key` does not exist or that `item` had not been added to the filter.
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-[] on error (invalid arguments, wrong key type, etc.)
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## Examples
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redis> BF.EXISTS bf item2
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(integer) 0
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{{< / highlight >}}
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## Return information
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{{< multitabs id="bf-exists-return-info"
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tab1="RESP2"
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tab2="RESP3" >}}
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One of the following:
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*[Integer reply]({{< relref "/develop/reference/protocol-spec#integers" >}}): `1` means that, with high probability, `item` was already added to the filter, and `0` means that either the `key` does not exist or that the `item` had not been added to the filter.
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*[Simple error reply]({{< relref "/develop/reference/protocol-spec#simple-errors" >}}) if invalid arguments are passed.
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One of the following:
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*[Boolean reply]({{< relref "/develop/reference/protocol-spec#booleans" >}}): `true` means that, with high probability, `item` was already added to the filter, and `false` means that either `key` does not exist or that `item` had not been added to the filter.
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*[Simple error reply]({{< relref "/develop/reference/protocol-spec#simple-errors" >}}) if invalid arguments are passed or `key` is not of the correct type.
Copy file name to clipboardExpand all lines: content/commands/bf.info.md
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Return the expansion rate.
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</details>
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When no optional argument is specified: return all information fields.
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## Return value
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When no optional argument is specified, returns one of these replies:
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-[Array reply]({{< relref "/develop/reference/protocol-spec#arrays" >}}) with argument name ([Simple string reply]({{< relref "/develop/reference/protocol-spec#simple-strings" >}})) and value ([Integer reply]({{< relref "/develop/reference/protocol-spec#integers" >}})) pairs
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When an optional argument is specified, returns one of these replies:
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-[Integer reply]({{< relref "/develop/reference/protocol-spec#integers" >}}) - argument value
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## Examples
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redis> BF.INFO bf1 CAPACITY
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1) (integer) 100
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{{< / highlight >}}
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## Return information
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{{< multitabs id="bf-info-return-info"
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tab1="RESP2"
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tab2="RESP3" >}}
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One of the following:
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*[Array reply]({{< relref "/develop/reference/protocol-spec#arrays" >}}) with argument name ([Simple string reply]({{< relref "/develop/reference/protocol-spec#simple-strings" >}})) and value ([Integer reply]({{< relref "/develop/reference/protocol-spec#integers" >}})) pairs.
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*[Simple error reply]({{< relref "/develop/reference/protocol-spec#simple-errors" >}}) in these cases: invalid arguments, wrong key type, or when the key does not exist.
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-tab-sep-
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One of the following:
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*[Map reply]({{< relref "/develop/reference/protocol-spec#maps" >}}) with argument name ([Simple string reply]({{< relref "/develop/reference/protocol-spec#simple-strings" >}})) and value ([Integer reply]({{< relref "/develop/reference/protocol-spec#integers" >}})) pairs.
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*[Simple error reply]({{< relref "/develop/reference/protocol-spec#simple-errors" >}}) in these cases: invalid arguments, wrong key type, or when the key does not exist.
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