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Return type differs between RESP2/3 for set operations, with hiredis #197

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aosh-ab7e opened this issue Aug 7, 2024 · 1 comment
Open

Return type differs between RESP2/3 for set operations, with hiredis #197

aosh-ab7e opened this issue Aug 7, 2024 · 1 comment

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@aosh-ab7e
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aosh-ab7e commented Aug 7, 2024 •
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Summary

With hiredis, set operations (such as SMEMBERS) returns different types between RESP2 and RESP3.
I confirmed the difference was not observed without hiredis.

Versions

Redis(server): 7.4.0
Python: 3.12.4
redis(Python Library): 5.0.8
hiredis(Python Library): 3.0.0

Example

Code:

from redis import Redis

client = Redis(protocol=2)
print("RESP2")
print(type(client.smembers("test-set")))
print(type(client.sunion("test-set")))
print(type(client.sdiff("test-set")))
print(type(client.sinter("test-set")))

client = Redis(protocol=3)
print("RESP3")
print(type(client.smembers("test-set")))
print(type(client.sunion("test-set")))
print(type(client.sdiff("test-set")))
print(type(client.sinter("test-set")))

Output:

RESP2
<class 'set'>
<class 'set'>
<class 'set'>
<class 'set'>
RESP3
<class 'list'>
<class 'list'>
<class 'list'>
<class 'list'>
@aosh-ab7e
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Is this relevant?
#189

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@aosh-ab7e