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Posted to commits@doris.apache.org by GitBox <gi...@apache.org> on 2022/04/08 11:03:19 UTC
[GitHub] [incubator-doris] xinyiZzz opened a new issue, #8928: [Bug] No matching function with signature: hex(hll)
xinyiZzz opened a new issue, #8928:
URL: https://github.com/apache/incubator-doris/issues/8928
### Search before asking
- [X] I had searched in the [issues](https://github.com/apache/incubator-doris/issues?q=is%3Aissue) and found no similar issues.
### Version
trunk
### What's Wrong?
```
SELECT hex(hll_hash('1990-12-10'));
```
error:
```
No matching function with signature: hex(hll)
```
### What You Expected?
win
### How to Reproduce?
_No response_
### Anything Else?
_No response_
### Are you willing to submit PR?
- [ ] Yes I am willing to submit a PR!
### Code of Conduct
- [X] I agree to follow this project's [Code of Conduct](https://www.apache.org/foundation/policies/conduct)
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[GitHub] [incubator-doris] HappenLee commented on issue #8928: [Bug] No matching function with signature: hex(hll)
Posted by GitBox <gi...@apache.org>.
HappenLee commented on issue #8928:
URL: https://github.com/apache/incubator-doris/issues/8928#issuecomment-1094306720
Now we disable the implicit cast from `hll` and `bitmap` cast to `string`. So it's reasonable to get `No matching function with signature: hex(hll)`.
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[GitHub] [incubator-doris] jackwener commented on issue #8928: [Bug] No matching function with signature: hex(hll)
Posted by GitBox <gi...@apache.org>.
jackwener commented on issue #8928:
URL: https://github.com/apache/incubator-doris/issues/8928#issuecomment-1092872088
I think that it's a enhancement instead of bug.
BTW, I think is a good-first-issue for the newer of Doris, how do you think about this?
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[GitHub] [incubator-doris] cambyzju commented on issue #8928: [Bug] No matching function with signature: hex(hll)
Posted by GitBox <gi...@apache.org>.
cambyzju commented on issue #8928:
URL: https://github.com/apache/incubator-doris/issues/8928#issuecomment-1092931289
hi xinyiZzz,
The reason is:
1. **hll_hash** function return HLL data type;
2. but **hex** function do not support HLL data type as input;
Could I know which situation you need use sql like: _SELECT hex(hll_hash('1990-12-10'));_
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[GitHub] [incubator-doris] xinyiZzz commented on issue #8928: [Bug] No matching function with signature: hex(hll)
Posted by GitBox <gi...@apache.org>.
xinyiZzz commented on issue #8928:
URL: https://github.com/apache/incubator-doris/issues/8928#issuecomment-1094899784
thanks for answer @jackwener @cambyzju @HappenLee
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[GitHub] [incubator-doris] xinyiZzz closed issue #8928: [Bug] No matching function with signature: hex(hll)
Posted by GitBox <gi...@apache.org>.
xinyiZzz closed issue #8928: [Bug] No matching function with signature: hex(hll)
URL: https://github.com/apache/incubator-doris/issues/8928
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