blocks|key|1048249|text|可以使用Redis+Hash将嵌套的JSON部分编码为字符串|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1048250|例如，“水果”、“书籍”、“油漆”等可以是红色散列，'american'，'europe‘等可以是散列的键，'+key+'，'key2’可以作为键的值存储为JSON字符串。如下所示：|1048251|redisClient+=+redis.Redis(host='localhost',+port=6379,+db=0)

#+your+application+logic+to+form+the+json
american_json+=+{"key":+"value",+"key2":+"value2"}
europe_json+=+{"key":+"value",+"key2":+"value2"}

#+hash+name:+fruit;+#+hash-key1:+american;+#value+of+hash-key1:+JSON+as+string
redisClient.hset("fruit",+"american",+json.dumps(american_json))++++
redisClient.hset("fruit",+"europe",+json.dumps(europe_json))|code-block|syntax|javascript|1048252|如果此时检查redis：|1048253|127.0.0.1:6379>+hgetall+fruit
1)+"american"
2)+"{\"key\":+\"value\",+\"key2\":+\"value2\"}"
3)+"europe"
4)+"{\"key\":+\"value\",+\"key2\":+\"value2\"}"|1048254|添加新字段的进一步代码逻辑：|1048255|#+say+you+have+to+add+another+key-value+in+the+key+"american"+for+the+hash+"fruit"
#first+we+get+the+key+stored+in+redis

fruit_american_json_string+=+redisClient.hget("fruit",+"american")

#then+we+convert+the+retrieved+string+to+JSON
JSON_object+=+json.loads(fruit_american_json_string)

#add+your+new+key
JSON_object["key3"]+=+"value3"

#write+the+new+JSON+as+string+in+Redis
redisClient.hset("fruit",+"american",+json.dumps(JSON_object))|1048256|红色信息系统的最后产出：|1048257|127.0.0.1:6379>+hgetall+fruit
1)+"american"
2)+"{\"key\":+\"value\",+\"key2\":+\"value2\",+\"key3\":+\"value3\"}"
3)+"europe"
4)+"{\"key\":+\"value\",+\"key2\":+\"value2\"}"|1048258|entityMap^0|0|0|0|0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|W|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|X|8|@]|9|@]|A|$]]|$1|D|3|E|5|F|7|Y|8|@]|9|@]|A|$G|H]]|$1|I|3|J|5|6|7|Z|8|@]|9|@]|A|$]]|$1|K|3|L|5|F|7|10|8|@]|9|@]|A|$G|H]]|$1|M|3|N|5|6|7|11|8|@]|9|@]|A|$]]|$1|O|3|P|5|F|7|12|8|@]|9|@]|A|$G|H]]|$1|Q|3|R|5|6|7|13|8|@]|9|@]|A|$]]|$1|S|3|T|5|F|7|14|8|@]|9|@]|A|$G|H]]|$1|U|3|-4|5|6|7|15|8|@]|9|@]|A|$]]]|V|$]]

You can encode the nested JSON part as a string as use Redis Hash
For example, 'fruit', 'books', 'paint' , etc can be a redis hash, 'american', 'europe', etc can be the key of the hash and 'key', 'key2' can be stored as value of the key as JSON string. Like the following:
<pre><code>redisClient = redis.Redis(host='localhost', port=6379, db=0)

# your application logic to form the json
american_json = {&quot;key&quot;: &quot;value&quot;, &quot;key2&quot;: &quot;value2&quot;}
europe_json = {&quot;key&quot;: &quot;value&quot;, &quot;key2&quot;: &quot;value2&quot;}

# hash name: fruit; # hash-key1: american; #value of hash-key1: JSON as string
redisClient.hset(&quot;fruit&quot;, &quot;american&quot;, json.dumps(american_json)) 
redisClient.hset(&quot;fruit&quot;, &quot;europe&quot;, json.dumps(europe_json))
</code></pre>
If at this point you check redis:
<pre><code>127.0.0.1:6379&gt; hgetall fruit
1) &quot;american&quot;
2) &quot;{\&quot;key\&quot;: \&quot;value\&quot;, \&quot;key2\&quot;: \&quot;value2\&quot;}&quot;
3) &quot;europe&quot;
4) &quot;{\&quot;key\&quot;: \&quot;value\&quot;, \&quot;key2\&quot;: \&quot;value2\&quot;}&quot;
</code></pre>
Further code logic to add new fields:
<pre><code># say you have to add another key-value in the key &quot;american&quot; for the hash &quot;fruit&quot;
#first we get the key stored in redis

fruit_american_json_string = redisClient.hget(&quot;fruit&quot;, &quot;american&quot;)

#then we convert the retrieved string to JSON
JSON_object = json.loads(fruit_american_json_string)

#add your new key
JSON_object[&quot;key3&quot;] = &quot;value3&quot;

#write the new JSON as string in Redis
redisClient.hset(&quot;fruit&quot;, &quot;american&quot;, json.dumps(JSON_object))
</code></pre>
Final output in redis:
<pre><code>127.0.0.1:6379&gt; hgetall fruit
1) &quot;american&quot;
2) &quot;{\&quot;key\&quot;: \&quot;value\&quot;, \&quot;key2\&quot;: \&quot;value2\&quot;, \&quot;key3\&quot;: \&quot;value3\&quot;}&quot;
3) &quot;europe&quot;
4) &quot;{\&quot;key\&quot;: \&quot;value\&quot;, \&quot;key2\&quot;: \&quot;value2\&quot;}&quot;
</code></pre>

blocks|key|2441840|text|您可以通过使用Hash数据类型和HSET来实现这一点。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2441841|https://redis-py.readthedocs.io/en/stable/#redis.Redis.hset|offset|length|2441842|entityMap|0|LINK|mutability|MUTABLE|url^0|0|0|1N|0|0^^$0|@$1|2|3|4|5|6|7|M|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|N|8|@]|9|@$D|O|E|P|1|Q]]|A|$]]|$1|F|3|-4|5|6|7|R|8|@]|9|@]|A|$]]]|G|$H|$5|I|J|K|A|$L|C]]]]

You can accomplish this by using the Hash data type with HSET
<a href="https://redis-py.readthedocs.io/en/stable/#redis.Redis.hset" rel="nofollow noreferrer">https://redis-py.readthedocs.io/en/stable/#redis.Redis.hset</a>

I have been trying to figure out how I can set key and value to a specific column. By column I mean something like:
<pre><code>&quot;fruit&quot;: {
 &quot;american&quot; {
 &quot;key&quot;: &quot;value&quot;,
 &quot;key2&quot;: &quot;value2&quot;
 },
 &quot;europe&quot; {
 &quot;key&quot;: &quot;value&quot;
 &quot;key2&quot;: &quot;value2&quot;
 }
},

&quot;books&quot;: {
 &quot;american_author&quot; {
 &quot;key&quot;: &quot;value&quot;
 &quot;key2&quot;: &quot;value2&quot;
 },
 &quot;asia_author&quot; {
 &quot;key&quot;: &quot;value&quot;
 &quot;key2&quot;: &quot;value2&quot;
 }
},

&quot;paint&quot;: {
 &quot;africa&quot; {
 &quot;key&quot;: &quot;value&quot;
 &quot;key2&quot;: &quot;value2&quot;
 },
 &quot;south_america&quot; {
 &quot;key&quot;: &quot;value&quot;
 &quot;key2&quot;: &quot;value2&quot;
 }
}
</code></pre>
What im trying to achieve here is that I would like to be able to add a new &quot;column&quot; which is fruit, book and paint and inside those values I would like to add another &quot;column&quot; and inside each column I want to add keys and values. As you can see in the snippet above.
For now I have done something like this:
<pre><code>import serialized_redis

r = serialized_redis.JSONSerializedRedis(host='localhost', port=6379, db=0)
r.set('fruit', 'american', {'key': 'value' })
</code></pre>
but what returns:
<pre><code> raise DataError(&quot;Invalid input of type: '%s'. Convert to a &quot;
redis.exceptions.DataError: Invalid input of type: 'dict'. Convert to a bytes, string, int or float first.
</code></pre>
My question is, am I able to do it using Redis and if so, how can I be able to add the keys and values to a specific &quot;column&quot; as given at the top of the thread?

How to create a column and set key and value to redis using Python

翻译质量差，导致语言生硬或混乱。

没有提供实际的解决方法或示例。

解答不清晰，无法理解或解决问题。

页面排版不美观，阅读体验差。

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我一直在试图弄清楚如何将键和值设置为特定的列。我所说的列的意思是："fruit": {    "american" {        "key": "value",        "key2": "value2"    },    "europe" {        "key": "value"        "key...

问如何使用Python创建列并将键和值设置为redis
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问如何使用Python创建列并将键和值设置为redisEN