| Bug #108659 | multi-valued index get wrong result | ||
|---|---|---|---|
| Submitted: | 30 Sep 2022 7:18 | Modified: | 30 Sep 2022 9:53 |
| Reporter: | x j | Email Updates: | |
| Status: | Verified | Impact on me: | |
| Category: | MySQL Server: Optimizer | Severity: | S3 (Non-critical) |
| Version: | 8.0.30 | OS: | Any |
| Assigned to: | CPU Architecture: | Any | |
[30 Sep 2022 9:53]
MySQL Verification Team
Hello x j, Thank you for the report and test case. regards, Umesh

Description: multi-valued index get wrong result when using or not using index How to repeat: drop table t; create table t(a int, b char(10), c json, index idx((cast(c->'$.a' as unsigned Array)))); insert into t values (1, 'a', '{"a": [1, 2, 3]}'); select * from t ignore index(idx) where json_contains(c->'$.a', '"1"'); nothing select * from t force index(idx) where json_contains(c->'$.a', '"1"'); 1,a,"{""a"": [1, 2, 3]}"