← Bugs over time
SQLancer is credited with 264 bugs reported in
2025, across 16 database
systems, between 2025-01-05 and
2025-12-29.
A further 5 reports were
filed that year and rejected by the developers as invalid or duplicate;
those are kept in the dataset and counted nowhere.
Which systems (16)
- DuckDB
-
52
- TiDB
-
42
- CockroachDB
-
37
- MonetDB
-
32
- YugabyteDB
-
26
- Dolt
-
24
- SQLite
-
12
- Umbra
-
9
- CrateDB
-
8
- Apache DataFusion
-
6
- BharatDBMS
-
5
- OceanBase
-
4
- ClickHouse
-
3
- StarRocks
-
2
- Citus
-
1
- TiKV
-
1
Each system's own page carries its whole history rather than this year's
share: DuckDB, TiDB, CockroachDB, MonetDB, YugabyteDB, Dolt, and 10 more.
How they break down
Who found them
- Found by the SQLancer project
-
220
- Found by someone outside the project
-
44
By status
- Fixed
-
201
- Confirmed
-
4
- Open
-
59
By symptom
- Unclassified
-
264
By technique
- Technique not recorded
-
255
- Ternary Logic Partitioning (TLP)
-
8
- Query Plan Guidance (QPG)
-
1
Why each bug counts
- The reproducer carries SQLancer's generated schema
-
204
- Filed by someone who runs SQLancer campaigns
-
34
- Listed in the project's own bug repository
-
9
- The report names SQLancer
-
9
- The report names a SQLancer oracle
-
8
Who reported them
- Zhaokun Xiang
-
96
- DerZc
-
52
- bajinsheng
-
22
- suyZhong
-
20
- EmilyOng
-
17
- TheoristCoder
-
13
- qvad
-
13
- cockroach-teamcity
-
8
Every bug reported in 2025 (269)
One row per report, newest first, each linking to the report itself. Rejected
reports are marked and are not part of any count above.
Every figure on this page is computed from
_data/impact/.
The attribution policy
explains what has to be true for a bug to be counted.