Database Management Systems (338 bugs)

TiDB (47 bugs)

incorrect unresolved column when using natural join Status: confirmed
Link: https://github.com/pingcap/tidb/issues/35522
Found by: bajinsheng
unexpected unresolved column error when the view refers to dual table Status: fixed
Link: https://github.com/pingcap/tidb/issues/35527
Found by: bajinsheng
Runtime error: invalid memory address Status: confirmed
Link: https://github.com/pingcap/tidb/issues/35623
Found by: bajinsheng
Unexpected Result with a FALSE Expression in WHERE Status: confirmed
Link: https://github.com/pingcap/tidb/issues/35645
Found by: bajinsheng
Unexpected Error by CAST and CHAR functions Status: confirmed
Link: https://github.com/pingcap/tidb/issues/35652
Found by: bajinsheng
Unexpected Error for Function INET_ATON Status: confirmed
Link: https://github.com/pingcap/tidb/issues/35677
Found by: bajinsheng
Unexpected Connection Lost Status: confirmed
Link: https://github.com/pingcap/tidb/issues/35678
Found by: bajinsheng
Inconsistent Results in SELECT Status: unconfirmed
Link: https://github.com/pingcap/tidb/issues/36853
Found by: bajinsheng
Unexpected Result by CONCAT_WS Status: unconfirmed
Link: https://github.com/pingcap/tidb/issues/36888
Found by: bajinsheng
ERROR 8141 (HY000): assertion failed Status: unconfirmed
Link: https://github.com/pingcap/tidb/issues/38295
Found by: bajinsheng
Incorrect Results by `REGEXP` Status: unconfirmed
Link: https://github.com/pingcap/tidb/issues/38303
Found by: bajinsheng
Incorrect Result by `LEFT JOIN` Status: unconfirmed
Link: https://github.com/pingcap/tidb/issues/38304
Found by: bajinsheng
runtime error: invalid memory address or nil pointer dereference Status: unconfirmed
Link: https://github.com/pingcap/tidb/issues/38305
Found by: bajinsheng
Unexpected Results Status: unconfirmed
Link: https://github.com/pingcap/tidb/issues/38310
Found by: bajinsheng
Error [types:1690]%s value is out of range in '%s' Status: unconfirmed
Link: https://github.com/pingcap/tidb/issues/38352
Found by: bajinsheng
Unexpected Error: Failed to read auto-increment value from storage engine Status: unconfirmed
Link: https://github.com/pingcap/tidb/issues/38483
Found by: bajinsheng
Unexpected Results by RIGHT JOIN Status: unconfirmed
Link: https://github.com/pingcap/tidb/issues/38654
Found by: bajinsheng
rule PredicatePushDown pushes wrong filter across projection Status: unconfirmed
Link: https://github.com/pingcap/tidb/issues/38736
Found by: bajinsheng
ERROR 8141 (HY000): assertion failed Status: unconfirmed
Link: https://github.com/pingcap/tidb/issues/38295
Found by: bajinsheng
Incorrect Results by `REGEXP` Status: unconfirmed
Link: https://github.com/pingcap/tidb/issues/38303
Found by: bajinsheng
Incorrect Result by `LEFT JOIN` Status: unconfirmed
Link: https://github.com/pingcap/tidb/issues/38304
Found by: bajinsheng
runtime error: invalid memory address or nil pointer dereference Status: unconfirmed
Link: https://github.com/pingcap/tidb/issues/38305
Found by: bajinsheng
Unexpected Results Status: unconfirmed
Link: https://github.com/pingcap/tidb/issues/38310
Found by: bajinsheng
Unexpected Estimated Rows of `OR` Status: unconfirmed
Link: https://github.com/pingcap/tidb/issues/38319
Found by: bajinsheng
Error [types:1690]%s value is out of range in '%s' Status: unconfirmed
Link: https://github.com/pingcap/tidb/issues/38352
Found by: bajinsheng
Question About the Estimated Rows in `GROUP BY` Status: unconfirmed
Link: https://github.com/pingcap/tidb/issues/38474
Found by: bajinsheng
Suspicious Estimated Rows by `JOIN` Status: unconfirmed
Link: https://github.com/pingcap/tidb/issues/38479
Found by: bajinsheng
Suspicious Estimated Rows by HAVING Status: unconfirmed
Link: https://github.com/pingcap/tidb/issues/38482
Found by: bajinsheng
Unexpected Error: Failed to read auto-increment value from storage engine Status: unconfirmed
Link: https://github.com/pingcap/tidb/issues/38483
Found by: bajinsheng
Unexpected Results by RIGHT JOIN Status: unconfirmed
Link: https://github.com/pingcap/tidb/issues/38654
Found by: bajinsheng
Unexpected Estimated Rows by INNER JOIN Status: unconfirmed
Link: https://github.com/pingcap/tidb/issues/38665
Found by: bajinsheng
Unexpected Estimated Rows by WHERE clause Status: unconfirmed
Link: https://github.com/pingcap/tidb/issues/38721
Found by: bajinsheng
rule PredicatePushDown pushes wrong filter across projection Status: unconfirmed
Link: https://github.com/pingcap/tidb/issues/38736
Found by: bajinsheng
runtime error: index out of range [7] with length 4 Status: unconfirmed
Link: https://github.com/pingcap/tidb/issues/44747
Found by: bajinsheng
Unexpected result of subquery Status: fixed
Link: https://github.com/pingcap/tidb/issues/42912
Found by: Chi Zhang
Unexpected error in `ORDER BY` Status: confirmed
Link: https://github.com/pingcap/tidb/issues/42941
Found by: Chi Zhang
Unexpected error message on constant Status: confirmed
Link: https://github.com/pingcap/tidb/issues/42942
Found by: Chi Zhang
An expression has two different value in two queries Status: confirmed
Link: https://github.com/pingcap/tidb/issues/43026
Found by: Chi Zhang
`runtime error: index out of range [1] with length 1` on `SELECT` Status: confirmed
Link: https://github.com/pingcap/tidb/issues/43256
Found by: Chi Zhang
Unexpected results of subquery in `INSERT` Status: confirmed
Link: https://github.com/pingcap/tidb/issues/43373
Found by: Chi Zhang
Unexpected error `Unknown column 't1.c0' in 'where clause'` Status: confirmed
Link: https://github.com/pingcap/tidb/issues/43569
Found by: Chi Zhang
Unexpected results when `CASE` and `IN` use together Status: confirmed
Link: https://github.com/pingcap/tidb/issues/43624
Found by: Chi Zhang
Unexpected error `Unknown table ''` on CTE Status: confirmed
Link: https://github.com/pingcap/tidb/issues/44673
Found by: Chi Zhang
Unexpected error when `CHECK` a predicate that is always true. Status: fixed
Link: https://github.com/pingcap/tidb/issues/44689
Found by: Chi Zhang
Unexpected results of `ANY` operator Status: confirmed
Link: https://github.com/pingcap/tidb/issues/44706
Found by: Chi Zhang
Unexpected Results of IN expression With NATURAL RIGHT JOIN Status: confirmed
Link: https://github.com/pingcap/tidb/issues/49476
Found by: Suyang Zhong
Runtime error when using overflow integers Status: confirmed
Link: https://github.com/pingcap/tidb/issues/50489
Found by: Suyang Zhong

Umbra (46 bugs)

Unexpected Results when Comparing Boolean Values Status: fixed
Link: None
Found by: Suyang Zhong
Potential Issue in BETWEEN operator Status: fixed
Link: None
Found by: Suyang Zhong
Potential Issue in NULLIF function Status: fixed
Link: None
Found by: Suyang Zhong
Potential Issue about boolean pruning in filter Status: fixed
Link: None
Found by: Suyang Zhong
Potential Issue about UNIQUE INDEX Status: fixed
Link: None
Found by: Suyang Zhong
Potential Issue when Dropping table Status: fixed
Link: None
Found by: Suyang Zhong
Segmentation fault when Using NATURAL LEFT JOIN Status: fixed
Link: None
Found by: Suyang Zhong
Potential issue when Using Boolean values and BETWEEN Operator Status: fixed
Link: None
Found by: Suyang Zhong
Potential issue handling Boolean values after INDEX Status: fixed
Link: None
Found by: Suyang Zhong
Unexpected results after triggering an index scan Status: fixed
Link: None
Found by: Suyang Zhong
Potential Issue when Using CONCAT with overflow integers Status: fixed
Link: None
Found by: Suyang Zhong
Segmentation fault when Using Between Operator Status: fixed
Link: None
Found by: Suyang Zhong
Unexpected Results When Using Between Operator and String Concatenation Status: fixed
Link: None
Found by: Suyang Zhong
Segmentation fault when Using Between Operator and integer Status: fixed
Link: None
Found by: Suyang Zhong
Unexpected results when Using BETWEEN Operator and Comparison Status: fixed
Link: None
Found by: Suyang Zhong
Unexpected results when LEFT JOIN a view Status: fixed
Link: None
Found by: Suyang Zhong
None Status: fixed
Link: None
Found by: Suyang Zhong
None Status: fixed
Link: None
Found by: Suyang Zhong
Segmentation fault when Using NATURAL FULL JOIN Status: fixed
Link: None
Found by: Suyang Zhong
Unexpected results when Using IN expression With INDEX Status: fixed
Link: None
Found by: Suyang Zhong
Unexpected results when Using BETWEEN With VIEW Status: fixed
Link: None
Found by: Suyang Zhong
Unexpected Results when Using NOT IN expression Status: fixed
Link: None
Found by: Suyang Zhong
Unexpected Results when Using IS NULL with empty VIEW Status: fixed
Link: None
Found by: Suyang Zhong
Unexpected Results when Using CAST Status: fixed
Link: None
Found by: Suyang Zhong
Unexpected Results when Using IN and BETWEEN AND for VIEW Status: fixed
Link: None
Found by: Suyang Zhong
FATAL ERROR when Using NATURAL FULL JOIN Status: fixed
Link: None
Found by: Suyang Zhong
Unexpected Results when Using IN and BETWEEN AND for VIEW Status: fixed
Link: None
Found by: Suyang Zhong
Segmentation fault when Using NATURAL FULL JOIN Status: fixed
Link: None
Found by: Suyang Zhong
Unexpected Results when Using Multiple Comparison Status: fixed
Link: None
Found by: Suyang Zhong
Unexpected Results when Using LEFT JOIN with VIEW on IS NOT NULL Status: fixed
Link: None
Found by: Suyang Zhong
Assertion failure when using UNION ALL Status: fixed
Link: None
Found by: Suyang Zhong
Unexpected Abort Status: fixed
Link: None
Found by: Suyang Zhong
Unexpected results when Using COS and IN expression Status: fixed
Link: None
Found by: Suyang Zhong
Assertion failure when using NATURAL JOIN Status: fixed
Link: None
Found by: Suyang Zhong
Unexpected results when Casting to VARCHAR Status: fixed
Link: None
Found by: Suyang Zhong
Unexpected results when using NATURAL RIGHT JOIN with INDEX Status: fixed
Link: None
Found by: Suyang Zhong
ERROR: AddressSanitizer: stack-buffer-overflow Status: fixed
Link: None
Found by: Suyang Zhong
Assertion failure when using COT and BETWEEN AND Status: fixed
Link: None
Found by: Suyang Zhong
Crash when using BETWEEN operator and large integer Status: fixed
Link: None
Found by: Suyang Zhong
ERROR: AddressSanitizer: use-after-poison Status: fixed
Link: None
Found by: Suyang Zhong
Assertion failure when using COALESCE and CASE WHEN Status: fixed
Link: None
Found by: Suyang Zhong
Crash when using INNER JOIN Status: fixed
Link: None
Found by: Suyang Zhong
Unexpected result when using LEFT JOIN and VIEW Status: fixed
Link: None
Found by: Suyang Zhong
Unexpected result when using NULLIF and CAST in VIEW Status: fixed
Link: None
Found by: Suyang Zhong
Unexpected result when using LEFT JOIN and NULL values Status: fixed
Link: None
Found by: Suyang Zhong
Unexpected results when using logical operator in VIEW Status: fixed
Link: None
Found by: Suyang Zhong

questdb (39 bugs)

Unexpected Internal Error: Index -1 out of bounds for length 16 Status: fixed
Link: https://github.com/questdb/questdb/issues/3322
Found by: Yuancheng Jiang
Unexpected Internal Error: UnsupportedOperationException Status: fixed
Link: https://github.com/questdb/questdb/issues/3323
Found by: Yuancheng Jiang
Unexpected Internal Error: NullPointerException Status: fixed
Link: https://github.com/questdb/questdb/issues/3324
Found by: Yuancheng Jiang
Unexpected NullPointerException with null query Status: fixed
Link: https://github.com/questdb/questdb/issues/3356
Found by: Yuancheng Jiang
Unexpected ClassCastException with null query Status: fixed
Link: https://github.com/questdb/questdb/issues/3357
Found by: Yuancheng Jiang
Consuming input failed: server closed the connection unexpectedly Status: fixed
Link: https://github.com/questdb/questdb/issues/3376
Found by: Yuancheng Jiang
Unexpected UnsupportedOperationException with join query on non-boolean expression Status: fixed
Link: https://github.com/questdb/questdb/issues/3386
Found by: Yuancheng Jiang
Unexpected StringIndexOutOfBoundsException with empty string Status: fixed
Link: https://github.com/questdb/questdb/issues/3418
Found by: Yuancheng Jiang
NullPointerException Cannot invoke '.getAst()' because 'queryColumn' is null with order by clause Status: fixed
Link: https://github.com/questdb/questdb/issues/3419
Found by: Yuancheng Jiang
NullPointerException: Cannot read field 'type' because 'node' is null with constant expression Status: fixed
Link: https://github.com/questdb/questdb/issues/3420
Found by: Yuancheng Jiang
ArrayIndexOutOfBoundsException: Index -1 out of bounds for length 16 Status: fixed
Link: https://github.com/questdb/questdb/issues/3433
Found by: Yuancheng Jiang
NullPointerException Cannot invoke '.isUndefined()' because the return value of '.getQuick(int)' is null Status: fixed
Link: https://github.com/questdb/questdb/issues/3445
Found by: Yuancheng Jiang
ImplicitCastException and stuck when comparing STRING with NULL Status: fixed
Link: https://github.com/questdb/questdb/issues/3454
Found by: Yuancheng Jiang
ClassCastException: NullConstant cannot be cast to class SymbolFunction Status: fixed
Link: https://github.com/questdb/questdb/issues/3455
Found by: Yuancheng Jiang
StringIndexOutOfBoundsException: String index out of range: 0 Status: fixed
Link: https://github.com/questdb/questdb/issues/3467
Found by: Yuancheng Jiang
NullPointerException: Cannot read field 'type' because 'column' is null Status: fixed
Link: https://github.com/questdb/questdb/issues/3468
Found by: Yuancheng Jiang
ArrayIndexOutOfBoundsException: Index -1 out of bounds for length 0 at io.questdb.std.LongList.extendAndSet Status: fixed
Link: https://github.com/questdb/questdb/issues/3469
Found by: Yuancheng Jiang
CairoException when casting string to timestamp Status: fixed
Link: https://github.com/questdb/questdb/issues/3470
Found by: Yuancheng Jiang
java.lang.NullPointerException: Cannot read field 'type' because 'op' is null in rewriteAggregate(SqlOptimiser.java:3300) Status: fixed
Link: https://github.com/questdb/questdb/issues/3526
Found by: Yuancheng Jiang
Unrobust comparison between string and char Status: fixed
Link: https://github.com/questdb/questdb/issues/3576
Found by: Yuancheng Jiang
Inaccurate results with EXCEPT/INTERSECT Status: fixed
Link: https://github.com/questdb/questdb/issues/3580
Found by: Yuancheng Jiang
Incorrect result returned by INTERSECT Status: fixed
Link: https://github.com/questdb/questdb/issues/3581
Found by: Yuancheng Jiang
ClassCastException: GenericRecordMetadata cannot be cast to JoinRecordMetadata in generateJoins() Status: fixed
Link: https://github.com/questdb/questdb/issues/3590
Found by: Yuancheng Jiang
Unexpected Error Invalid Column with multiple JOIN Status: fixed
Link: https://github.com/questdb/questdb/issues/3595
Found by: Yuancheng Jiang
Invalid Column error with multiple JOIN Status: fixed
Link: https://github.com/questdb/questdb/issues/3619
Found by: Yuancheng Jiang
UnsupportedOperationException in IntFunction.getStr(IntFunction.java:145) Status: fixed
Link: https://github.com/questdb/questdb/issues/3622
Found by: Yuancheng Jiang
StringIndexOutOfBoundsException: String index out of range: 0 with ORDER BY empty string Status: fixed
Link: https://github.com/questdb/questdb/issues/3623
Found by: Yuancheng Jiang
Incorrect results returned from UNION Status: fixed
Link: https://github.com/questdb/questdb/issues/3669
Found by: Yuancheng Jiang
Invalid column error with LEFT OUTER JOIN Status: fixed
Link: https://github.com/questdb/questdb/issues/3670
Found by: Yuancheng Jiang
Invalid column error not completely fixed Status: fixed
Link: https://github.com/questdb/questdb/issues/3733
Found by: Yuancheng Jiang
Incorrect results with symbol comparison Status: fixed
Link: https://github.com/questdb/questdb/issues/3828
Found by: Yuancheng Jiang
ArrayIndexOutOfBoundsException: Index -1 out of bounds for length 16 Status: fixed
Link: https://github.com/questdb/questdb/issues/3833
Found by: Yuancheng Jiang
Unexpected invalid column not completely fixed Status: fixed
Link: https://github.com/questdb/questdb/issues/3933
Found by: Yuancheng Jiang
Unexpected DatabaseError: queries have different number of columns in window function with union Status: fixed
Link: https://github.com/questdb/questdb/issues/3934
Found by: Yuancheng Jiang
NullPointerException: Cannot invoke 'io.questdb.cairo.sql.SymbolTable.valueOf(int)' because 'this.symbolTable' is null Status: fixed
Link: https://github.com/questdb/questdb/issues/3935
Found by: Yuancheng Jiang
Incorrect result with window function Status: fixed
Link: https://github.com/questdb/questdb/issues/3936
Found by: Yuancheng Jiang
Unexpected results when having brackets with window query Status: fixed
Link: https://github.com/questdb/questdb/issues/3938
Found by: Yuancheng Jiang
NullPointerException: Cannot read field 'token' because 'first' is null Status: fixed
Link: https://github.com/questdb/questdb/issues/3949
Found by: Yuancheng Jiang
Incorrect results with nested joins Status: fixed
Link: https://github.com/questdb/questdb/issues/4010
Found by: Yuancheng Jiang

SQLite (36 bugs)

An Inconsistent Result Depending on Parenthesization Status: fixed
Link: https://sqlite.org/forum/forumpost/af3d07f908
Found by: bajinsheng
An Unexpected NULL Column Caused by Where Clause in RIGHT JOIN Status: fixed
Link: https://sqlite.org/forum/forumpost/41cc3851d8
Found by: bajinsheng
Rows are Unexpectedly Filtered Out by DISTINCT in RIGHT JOIN Status: fixed
Link: https://sqlite.org/forum/forumpost/c06b10ad7e
Found by: bajinsheng
Expression or Constant in GroupBy Clause Status: fixed
Link: https://sqlite.org/forum/forumpost/2458c5dea2
Found by: bajinsheng
Ambiguous Reference Error for Right Join Status: confirmed
Link: https://sqlite.org/forum/forumpost/e90a8e6e6f
Found by: bajinsheng
Unexpected Result by WHERE when Joining Tables Status: fixed
Link: https://sqlite.org/forum/forumpost/687b0bf563
Found by: bajinsheng
Unexpected Result by WHERE/RIGHT JOIN Status: fixed
Link: https://sqlite.org/forum/forumpost/5cfe08eed6
Found by: bajinsheng
Unexpected Result in Joining Virtual Tables Status: fixed
Link: https://sqlite.org/forum/forumpost/3902c7b833
Found by: bajinsheng
Unexpected Result by Joining Status: fixed
Link: https://sqlite.org/forum/forumpost/c2554d560b
Found by: bajinsheng
Unexpected Result by RIGHT JOIN on RTree Tables Status: fixed
Link: https://sqlite.org/forum/forumpost/087de2d9ec
Found by: bajinsheng
Unexpected Result by WHERE Again Status: fixed
Link: https://sqlite.org/forum/forumpost/de16c4abe2
Found by: bajinsheng
Unexpected Result by RIGHT JOIN Status: fixed
Link: https://sqlite.org/forum/forumpost/206d99a16d
Found by: bajinsheng
Unexpected Assertion Error in SQLite3MemCompare Status: fixed
Link: https://sqlite.org/forum/forumpost/800eecf5e6
Found by: bajinsheng
Unexpected Result by ORDER BY Status: fixed
Link: https://sqlite.org/forum/forumpost/323f86cc30
Found by: bajinsheng
Unexpected Result by RIGHT JOIN with INDEX Status: fixed
Link: https://sqlite.org/forum/forumpost/c4676c4956
Found by: bajinsheng
Unexpected Result by JSON Status: fixed
Link: https://sqlite.org/forum/forumpost/3d9caa45cb
Found by: bajinsheng
Unexpected Result by Complicated JOINING Status: unconfirmed
Link: https://sqlite.org/forum/forumpost/eeb8173cf8
Found by: bajinsheng
Assertion `pCur->eCurType==CURTYPE_VTAB' failed Status: fixed
Link: https://sqlite.org/forum/forumpost/dafe0500b0
Found by: bajinsheng
Unexpected Result by RIGHT JOIN Again Status: fixed
Link: https://sqlite.org/forum/forumpost/51e6959f61
Found by: bajinsheng
Unexpected Result by Complicated JOINING Again Status: fixed
Link: https://sqlite.org/forum/forumpost/b40696f501
Found by: bajinsheng
Unexpected Assertion Error in valueFromFunction Status: unconfirmed
Link: https://sqlite.org/forum/forumpost/e3243e07e8
Found by: bajinsheng
Unexpected Result by FULL OUTER JOIN Status: fixed
Link: https://sqlite.org/forum/forumpost/5610c17c3d
Found by: bajinsheng
Unexpected Expression on ON clause Status: fixed
Link: https://sqlite.org/forum/forumpost/57bdf2217d
Found by: bajinsheng
Unexpected Expression Result by FULL OUTER JOIN Status: fixed
Link: https://sqlite.org/forum/forumpost/6650cd40b5
Found by: bajinsheng
Unexpected Parse Error Status: fixed
Link: https://sqlite.org/forum/forumpost/1a7fea4651
Found by: bajinsheng
Unexpected Assertion Error in whereRangeScanEst Status: fixed
Link: https://sqlite.org/forum/forumpost/c3496cf6b1
Found by: bajinsheng
Unexpected Result by Union Status: unconfirmed
Link: https://sqlite.org/forum/forumpost/174afeae57
Found by: bajinsheng
Assertion `pRec->nField>0 && pRec->nField<=pIdx->nSampleCol' failed. Status: unconfirmed
Link: https://sqlite.org/forum/forumpost/3607259d3c
Found by: bajinsheng
Incorrect results with the latest trunk version Status: fixed
Link: https://sqlite.org/forum/info/0846211821513f50
Found by: Chi Zhang
Incorrect result that might be caused by json function Status: fixed
Link: https://sqlite.org/forum/info/37dd14a538ea84e0
Found by: Chi Zhang
Incorrect result for COUNT on view with window function Status: fixed
Link: https://sqlite.org/forum/info/2cd11c2d37696553
Found by: Chi Zhang
Incorrect result might caused by INDEX Status: fixed
Link: https://sqlite.org/forum/info/a68313d0545273c8
Found by: Chi Zhang
An assertion failure only triggers in JDBC driver with -DSQLITE_DEBUG=1 compile option Status: fixed
Link: https://sqlite.org/forum/info/dc4854437bda462c
Found by: Chi Zhang
Unexpected results of `JOIN` Status: fixed
Link: https://sqlite.org/forum/forumpost/8f48e29d67
Found by: Chi Zhang
Unexpected result of `JOIN` Status: fixed
Link: https://sqlite.org/forum/forumpost/96cd4a7e9e
Found by: Chi Zhang
Unexpected results when using `REPLACE` function Status: fixed
Link: https://sqlite.org/forum/forumpost/3776b48e71
Found by: Suyang Zhong

DuckDB (32 bugs)

BETWEEN with subquery and column results in unexpected error Status: fixed
Link: https://github.com/duckdb/duckdb/issues/3588
Found by: kokrui
Unexpected Error for RTRIM Function in Where Clause Status: fixed
Link: https://github.com/duckdb/duckdb/issues/3616
Found by: kokrui
Crash When Creating Index Status: unconfirmed
Link: https://github.com/duckdb/duckdb/issues/4976
Found by: bajinsheng
Segmentation fault on `BETWEEN` Status: fixed
Link: https://github.com/duckdb/duckdb/issues/6861
Found by: Chi Zhang
Unexpected result when take subquery as operand Status: confirmed
Link: https://github.com/duckdb/duckdb/issues/7044
Found by: Chi Zhang
Different returned datatype of a `CASE` statement in different query. Status: confirmed
Link: https://github.com/duckdb/duckdb/issues/7064
Found by: Chi Zhang
Unexpected results when integer overflow Status: unconfirmed
Link: https://github.com/duckdb/duckdb/issues/7094
Found by: Chi Zhang
Unexpected results on specific values Status: fixed
Link: https://github.com/duckdb/duckdb/issues/7142
Found by: Chi Zhang
Hang on `SELECT` query Status: fixed
Link: https://github.com/duckdb/duckdb/issues/7143
Found by: Chi Zhang
`INTERNAL Error: Logical column index 1 out of range` Status: fixed
Link: https://github.com/duckdb/duckdb/issues/7250
Found by: Chi Zhang
DuckDB hang on `DELETE` Status: fixed
Link: https://github.com/duckdb/duckdb/issues/7530
Found by: Chi Zhang
Segmentation fault on `SELECT` Status: fixed
Link: https://github.com/duckdb/duckdb/issues/7551
Found by: Chi Zhang
Inconsistent results of subquery in `INSERT` and `SELECT`, and an unexpected error Status: fixed
Link: https://github.com/duckdb/duckdb/issues/7601
Found by: Chi Zhang
DuckDB hang on `DELETE` Status: fixed
Link: https://github.com/duckdb/duckdb/issues/7610
Found by: Chi Zhang
Unexpected results on common table expressions Status: fixed
Link: https://github.com/duckdb/duckdb/issues/7960
Found by: Chi Zhang
Incorrect result by subquery and join Status: fixed
Link: https://github.com/cockroachdb/cockroach/issues/100561
Found by: Chi Zhang
internal error: null rejection requested on non-null column Status: fixed
Link: https://github.com/cockroachdb/cockroach/issues/100559
Found by: Chi Zhang
kvcoord: setting `kv.range_descriptor_cache.size=0` results in range iterator to retry endlessly Status: fixed
Link: https://github.com/cockroachdb/cockroach/issues/101011
Found by: Chi Zhang
internal error: failed to parse locale "": language: tag is not well-formed Status: fixed
Link: https://github.com/cockroachdb/cockroach/issues/101418
Found by: Chi Zhang
Unexpected results of `TIME` value under JDBC Status: unconfirmed
Link: https://github.com/cockroachdb/cockroach/issues/101591
Found by: Chi Zhang
`internal error: expected subquery to be lazily planned as a routine` Status: fixed
Link: https://github.com/cockroachdb/cockroach/issues/101980
Found by: Chi Zhang
Unexpected results of `CASE` and `BETWEEN` Status: fixed
Link: https://github.com/cockroachdb/cockroach/issues/102110
Found by: Chi Zhang
Unexpected results might be related to `BIT` and `INDEX` Status: fixed
Link: https://github.com/cockroachdb/cockroach/issues/102412
Found by: Chi Zhang
Unexpected error `unknown signature: bit_length(string) (desired )` Status: confirmed
Link: https://github.com/cockroachdb/cockroach/issues/102716
Found by: Chi Zhang
Unexpected results of `IN` with redundant values list Status: confirmed
Link: https://github.com/cockroachdb/cockroach/issues/102864
Found by: Chi Zhang
Unexpected results related to `INDEX` Status: fixed
Link: https://github.com/cockroachdb/cockroach/issues/103755
Found by: Chi Zhang
Inconsistent result of `AVG` on big float number Status: confirmed
Link: https://github.com/cockroachdb/cockroach/issues/104319
Found by: Chi Zhang
Unexpected hang on subquery Status: fixed
Link: https://github.com/cockroachdb/cockroach/issues/105882
Found by: Chi Zhang
Unexpected Results when using IS NOT NULL Status: fixed
Link: https://github.com/duckdb/duckdb/issues/9806
Found by: Suyang Zhong
Missing Results when using Floating-point in BETWEEN Status: fixed
Link: https://github.com/duckdb/duckdb/issues/9825
Found by: Suyang Zhong
Internal Error: Calling StringValue::Get on a NULL value Status: fixed
Link: https://github.com/duckdb/duckdb/issues/9870
Found by: Suyang Zhong
INTERNAL Error: Failed to bind column reference "" [1.2] (bindings: [1.1]) Status: confirmed
Link: https://github.com/duckdb/duckdb/issues/10087
Found by: Suyang Zhong

Dolt (27 bugs)

Unexpected Results when Using '%' operator Status: fixed
Link: https://github.com/dolthub/dolt/issues/7006
Found by: Suyang Zhong
Unexpected Results about Floating-point Type Casting Status: fixed
Link: https://github.com/dolthub/dolt/issues/7018
Found by: Suyang Zhong
Unexpected Results when Querying with NULL values Status: fixed
Link: https://github.com/dolthub/dolt/issues/7025
Found by: Suyang Zhong
Crashing by Division Operators Status: fixed
Link: https://github.com/dolthub/dolt/issues/7026
Found by: Suyang Zhong
Unexpected Results about Decimal-Boolean Casting in Filters Status: fixed
Link: https://github.com/dolthub/dolt/issues/7038
Found by: Suyang Zhong
Crash by Function DAYNAME Status: fixed
Link: https://github.com/dolthub/dolt/issues/7039
Found by: Suyang Zhong
Crash by ACOS Status: fixed
Link: https://github.com/dolthub/dolt/issues/7046
Found by: Suyang Zhong
Crash by Time Functions Status: fixed
Link: https://github.com/dolthub/dolt/issues/7056
Found by: Suyang Zhong
Crash by SQRT Status: fixed
Link: https://github.com/dolthub/dolt/issues/7060
Found by: Suyang Zhong
Unexpected Results when Querying with COT Status: fixed
Link: https://github.com/dolthub/dolt/issues/7072
Found by: Suyang Zhong
Potential Issue Using ROUND Status: fixed
Link: https://github.com/dolthub/dolt/issues/7073
Found by: Suyang Zhong
Unexpected Results when Using IN for Floating-Point Status: fixed
Link: https://github.com/dolthub/dolt/issues/7120
Found by: Suyang Zhong
Unexpected Results of In expressions Status: fixed
Link: https://github.com/dolthub/dolt/issues/7147
Found by: Suyang Zhong
Panic when Using BETWEEN and CASE WHEN Status: fixed
Link: https://github.com/dolthub/dolt/issues/7154
Found by: Suyang Zhong
Unexpected Results when Using IN after Creating Index Status: fixed
Link: https://github.com/dolthub/dolt/issues/7155
Found by: Suyang Zhong
Panic when Using BETWEEN AND Status: fixed
Link: https://github.com/dolthub/dolt/issues/7216
Found by: Suyang Zhong
Unexpected Results when Using ROUND() Status: fixed
Link: https://github.com/dolthub/dolt/issues/7222
Found by: Suyang Zhong
Unexpected Results when Using BETWEEN and LEFT JOIN Status: fixed
Link: https://github.com/dolthub/dolt/issues/7229
Found by: Suyang Zhong
Panic when Using INNER JOIN Status: fixed
Link: https://github.com/dolthub/dolt/issues/7235
Found by: Suyang Zhong
Unexpected Result when Using -'' in IN Status: fixed
Link: None
Found by: Suyang Zhong
Unexpected Results when Using BETWEEN AND after CREATE INDEX Status: fixed
Link: https://github.com/dolthub/dolt/issues/7260
Found by: Suyang Zhong
Unexpected Result when Querying with CONCAT Status: fixed
Link: https://github.com/dolthub/dolt/issues/7261
Found by: Suyang Zhong
Panic when Using INNER JOIN with String in IN Status: fixed
Link: https://github.com/dolthub/dolt/issues/7262
Found by: Suyang Zhong
Unexpected results when comparing with empty string Status: fixed
Link: https://github.com/dolthub/dolt/issues/7323
Found by: Suyang Zhong
Unexpected result when using Boolean in IN Status: fixed
Link: https://github.com/dolthub/dolt/issues/7338
Found by: Suyang Zhong
Crash by INNER JOIN Status: fixed
Link: https://github.com/dolthub/dolt/issues/7371
Found by: Suyang Zhong
Unexpected results when comparing string with type conversion Status: confirmed
Link: https://github.com/dolthub/dolt/issues/7372
Found by: Suyang Zhong

CockroachDB (25 bugs)

sql: support SCRUB on temp tables Status: confirmed
Link: https://github.com/cockroachdb/cockroach/issues/83770
Found by: bajinsheng
Internal Error: Comparison Overload not Found Status: confirmed
Link: https://github.com/cockroachdb/cockroach/issues/83792
Found by: bajinsheng
ERROR: no builtin aggregate for SUM_INT on [unknown] Status: confirmed
Link: https://github.com/cockroachdb/cockroach/issues/83874
Found by: bajinsheng
Crashing by EXPLAIN Statement Status: unconfirmed
Link: https://github.com/cockroachdb/cockroach/issues/83965
Found by: bajinsheng
Invalid Memory Address Error of Specific SQL Query Status: unconfirmed
Link: https://github.com/cockroachdb/cockroach/issues/83973
Found by: bajinsheng
Unexpected Error of Unique Index Status: unconfirmed
Link: https://github.com/cockroachdb/cockroach/issues/83976
Found by: bajinsheng
Crash: panic: RecordingStructured has 30 recordings; expected 1 Status: unconfirmed
Link: https://github.com/cockroachdb/cockroach/issues/84056
Found by: bajinsheng
Unexpected Overflow Error by Huge Interval Value Status: unconfirmed
Link: https://github.com/cockroachdb/cockroach/issues/84154
Found by: bajinsheng
Inconsistent Case Return Types Decimal Int Status: unconfirmed
Link: https://github.com/cockroachdb/cockroach/issues/85356
Found by: bajinsheng
No Result Returned by SHOW COLUMN Status: unconfirmed
Link: https://github.com/cockroachdb/cockroach/issues/85388
Found by: bajinsheng
internal error: no volatility for cast decimal::timestamp Status: unconfirmed
Link: https://github.com/cockroachdb/cockroach/issues/85389
Found by: bajinsheng
opt: internal error: lookup for ComparisonExpr Status: unconfirmed
Link: https://github.com/cockroachdb/cockroach/issues/85390
Found by: bajinsheng
opt: internal error: no output column equivalent to 2 Status: unconfirmed
Link: https://github.com/cockroachdb/cockroach/issues/85393
Found by: bajinsheng
Unexpected Error in SHOW COLUMNS Status: unconfirmed
Link: https://github.com/cockroachdb/cockroach/issues/85394
Found by: bajinsheng
opt: internal error: estimated row count must be non-zero Status: unconfirmed
Link: https://github.com/cockroachdb/cockroach/issues/85499
Found by: bajinsheng
Unexpected Result by UNION Status: unconfirmed
Link: https://github.com/cockroachdb/cockroach/issues/85502
Found by: bajinsheng
An Unexpected Error in `CROSS MERGE JOIN` Status: unconfirmed
Link: https://github.com/cockroachdb/cockroach/issues/88104
Found by: bajinsheng
ERROR: internal error: expected *DInt, found tree.dNull Status: unconfirmed
Link: https://github.com/cockroachdb/cockroach/issues/94264
Found by: bajinsheng
An Unexpected Error in `CROSS MERGE JOIN` Status: unconfirmed
Link: https://github.com/cockroachdb/cockroach/issues/88104
Found by: bajinsheng
Potential Issue for Estimated Rows Status: unconfirmed
Link: https://github.com/cockroachdb/cockroach/issues/88455
Found by: bajinsheng
An Issue of Estimated Rows Status: unconfirmed
Link: https://github.com/cockroachdb/cockroach/issues/89161
Found by: bajinsheng
Unexpected Estimated Rows in `HAVING` clause Status: unconfirmed
Link: https://github.com/cockroachdb/cockroach/issues/89462
Found by: bajinsheng
Suspicious Estimated Rows by `OR` Status: unconfirmed
Link: https://github.com/cockroachdb/cockroach/issues/90112
Found by: bajinsheng
Suspicious Estimated Rows by `DISTINCT` Status: unconfirmed
Link: https://github.com/cockroachdb/cockroach/issues/90113
Found by: bajinsheng
ERROR: internal error: expected *DInt, found tree.dNull Status: unconfirmed
Link: https://github.com/cockroachdb/cockroach/issues/94264
Found by: bajinsheng

cratedb (20 bugs)

Couldn't create execution plan from logical plan because of: Index 2 out of bounds for length 2 Status: fixed
Link: https://github.com/crate/crate/issues/14805
Found by: Yuancheng Jiang
Incorrect result returned by UNION Status: fixed
Link: https://github.com/crate/crate/issues/14807
Found by: Yuancheng Jiang
Unexpected Exception with ORDER BY clause with UNION Status: fixed
Link: https://github.com/crate/crate/issues/14815
Found by: Yuancheng Jiang
Unexpected result when using CASE statement Status: fixed
Link: https://github.com/crate/crate/issues/15029
Found by: Suyang Zhong
Unexpected Results when Using AND Operator Status: fixed
Link: https://github.com/crate/crate/issues/15050
Found by: Suyang Zhong
Unexpected Results when Using Concat Operator Status: fixed
Link: https://github.com/crate/crate/issues/15083
Found by: Suyang Zhong
Unexpected Results Using Boolean Status: fixed
Link: https://github.com/crate/crate/issues/15120
Found by: Suyang Zhong
Unexpected Results Using NULLIF Status: fixed
Link: https://github.com/crate/crate/issues/15121
Found by: Suyang Zhong
Unexpected result when using BETWEEN AND Status: fixed
Link: https://github.com/crate/crate/issues/15201
Found by: Suyang Zhong
Unexpected result when Concatenating NULL Status: fixed
Link: https://github.com/crate/crate/issues/15202
Found by: Suyang Zhong
Unexpected Result when using IS NOT NULL Status: fixed
Link: https://github.com/crate/crate/issues/15265
Found by: Suyang Zhong
Unexpected Result when using LEFT JOIN Status: fixed
Link: https://github.com/crate/crate/issues/15324
Found by: Suyang Zhong
Unexpected Results Using NULLIF with VARCHAR Status: fixed
Link: https://github.com/crate/crate/issues/15325
Found by: Suyang Zhong
Unexpected Result when using IN Status: fixed
Link: https://github.com/crate/crate/issues/15326
Found by: Suyang Zhong
Unexpected result when using string comparison AND IS NULL Status: fixed
Link: https://github.com/crate/crate/issues/15395
Found by: Suyang Zhong
Unexpected results when using AND Status: fixed
Link: https://github.com/crate/crate/issues/15458
Found by: Suyang Zhong
Unexpected result when using CONCAT_WS containing NULL Status: fixed
Link: https://github.com/crate/crate/issues/15459
Found by: Suyang Zhong
Unexpected result when using % with NULL Status: fixed
Link: https://github.com/crate/crate/issues/15500
Found by: Suyang Zhong
Unexpected result when using LTRIM with NULL as second argument Status: fixed
Link: https://github.com/crate/crate/issues/15527
Found by: Suyang Zhong
Unexpected result when casting integer as boolean Status: confirmed
Link: https://github.com/crate/crate/issues/15537
Found by: Suyang Zhong

neo4j (11 bugs)

A potential performance bug (missing optimization) Status: confirmed
Link: https://github.com/neo4j/neo4j/issues/12957
Found by: Yuancheng Jiang
Unexpected DatabaseException: Exception closing multiple resources Status: fixed
Link: https://github.com/neo4j/neo4j/issues/12968
Found by: Yuancheng Jiang
One equivalent query can help improve performance hundred of times Status: fixed
Link: https://github.com/neo4j/neo4j/issues/12973
Found by: Yuancheng Jiang
Using OPTIONAL and DISTINCT together with shortestPath() outputs an error Status: fixed
Link: https://github.com/neo4j/neo4j/issues/12988
Found by: Yuancheng Jiang
Inconsistent results Status: fixed
Link: https://github.com/neo4j/neo4j/issues/12991
Found by: Yuancheng Jiang
Unexpected Result with SKIP 1 Status: fixed
Link: https://github.com/neo4j/neo4j/issues/12996
Found by: Yuancheng Jiang
Some queries are running unexpectedly slow Status: confirmed
Link: https://github.com/neo4j/neo4j/issues/13003
Found by: Yuancheng Jiang
Adding index incurs performance regression in some cases Status: confirmed
Link: https://github.com/neo4j/neo4j/issues/13010
Found by: Yuancheng Jiang
OPTIONAL MATCH is much faster than MATCH in some cases Status: confirmed
Link: https://github.com/neo4j/neo4j/issues/13033
Found by: Yuancheng Jiang
Inconsistent performance Status: fixed
Link: https://github.com/neo4j/neo4j/issues/13034
Found by: Yuancheng Jiang
Unexpected error: out of bounds for object Status: fixed
Link: https://github.com/neo4j/neo4j/issues/13041
Found by: Yuancheng Jiang

MonetDB (9 bugs)

Unexpected result for INNER JOIN with IS NOT NULL Status: fixed
Link: https://github.com/MonetDB/MonetDB/issues/7426
Found by: Suyang Zhong
Unexpected result when using AND and IS NOT NULL Status: fixed
Link: https://github.com/MonetDB/MonetDB/issues/7430
Found by: Suyang Zhong
Unexpected result when using CASE WHEN Status: fixed
Link: https://github.com/MonetDB/MonetDB/issues/7429
Found by: Suyang Zhong
Unexpected result when using BETWEEN operator Status: fixed
Link: https://github.com/MonetDB/MonetDB/issues/7428
Found by: Suyang Zhong
Unexpected result when using AND/OR chain Status: fixed
Link: https://github.com/MonetDB/MonetDB/issues/7448
Found by: Suyang Zhong
Unexpected result when using BETWEEN in INNER JOIN Status: fixed
Link: https://github.com/MonetDB/MonetDB/issues/7447
Found by: Suyang Zhong
Unexpected result when using BETWEEN and CAST Status: fixed
Link: https://github.com/MonetDB/MonetDB/issues/7451
Found by: Suyang Zhong
Unexpected result when CREATE VIEW with WHERE NULL Status: fixed
Link: https://github.com/MonetDB/MonetDB/issues/7450
Found by: Suyang Zhong
Unexpected result when using BETWEEN with BOOLEAN values Status: fixed
Link: https://github.com/MonetDB/MonetDB/issues/7455
Found by: Suyang Zhong

Firebird (9 bugs)

Potential bug in BETWEEN Operator Status: fixed
Link: https://github.com/FirebirdSQL/firebird/issues/7839
Found by: Manuel Rigger
Crash potentially caused by BETWEEN Operator Status: fixed
Link: https://github.com/FirebirdSQL/firebird/issues/7860
Found by: Suyang Zhong
Unexpected Results when Using Natural Right Join Status: fixed
Link: https://github.com/FirebirdSQL/firebird/issues/7879
Found by: Suyang Zhong
Unexpected Results when Using CASE-WHEN with LEFT JOIN Status: fixed
Link: https://github.com/FirebirdSQL/firebird/issues/7903
Found by: Suyang Zhong
Unexpected results when the join condition contains the OR predicate Status: fixed
Link: https://github.com/FirebirdSQL/firebird/issues/7908
Found by: Suyang Zhong
Unexpected results when using CASE WHEN with RIGHT JOIN Status: fixed
Link: https://github.com/FirebirdSQL/firebird/issues/7993
Found by: Suyang Zhong
Unexpected results after creating partial index Status: fixed
Link: https://github.com/FirebirdSQL/firebird/issues/7995
Found by: Suyang Zhong
Unexpected results when using string concatenation for INTEGER Status: confirmed
Link: https://github.com/FirebirdSQL/firebird/issues/7997
Found by: Suyang Zhong
Unexpected error and crash after creating a partial index Status: fixed
Link: https://github.com/FirebirdSQL/firebird/issues/7998
Found by: Suyang Zhong

MySQL (8 bugs)

Suspicious Estimated Rows Status: unconfirmed
Link: https://bugs.mysql.com/bug.php?id=108833
Found by: bajinsheng
Suspicious Estimated Rows by JOIN Status: unconfirmed
Link: https://bugs.mysql.com/bug.php?id=108851
Found by: bajinsheng
Suspicious Estimated Rows by DISTINCTROW Status: unconfirmed
Link: https://bugs.mysql.com/bug.php?id=108852
Found by: bajinsheng
Unexpected Error: Memory capacity exceeded Status: unconfirmed
Link: https://bugs.mysql.com/bug.php?id=111471
Found by: bajinsheng
Wrong result of `IN` clause Status: confirmed
Link: https://bugs.mysql.com/bug.php?id=111241
Found by: Chi Zhang
Unexpected error when `CHECK` a predicate that is always true Status: confirmed
Link: https://bugs.mysql.com/bug.php?id=111421
Found by: Chi Zhang
Unexpected Results when Using Math Function SIN Status: confirmed
Link: https://bugs.mysql.com/bug.php?id=113180
Found by: Suyang Zhong
Unexpected Results when Using IN for Floating-Point Status: confirmed
Link: http://bugs.mysql.com/113298
Found by: Suyang Zhong

risingwave (7 bugs)

Panicked when processing: assertion failed: (left == right) Status: fixed
Link: https://github.com/risingwavelabs/risingwave/issues/12818
Found by: Yuancheng Jiang
Incorrect result with ORDER BY in OVER(PARTITION BY ...) Status: confirmed
Link: https://github.com/risingwavelabs/risingwave/issues/12822
Found by: Yuancheng Jiang
InternalError_: Panicked when processing: internal error: entered unreachable code: Subquery Subquery Status: fixed
Link: https://github.com/risingwavelabs/risingwave/issues/12847
Found by: Yuancheng Jiang
Unexpected Results when Inserting NULL to PK column Status: fixed
Link: https://github.com/risingwavelabs/risingwave/issues/13497
Found by: Suyang Zhong
Unexpected Results when Using NATURAL LEFT JOIN Status: fixed
Link: https://github.com/risingwavelabs/risingwave/issues/13572
Found by: Suyang Zhong
Unexpected Results when Comparing with Bigint Status: fixed
Link: https://github.com/risingwavelabs/risingwave/issues/13601
Found by: Suyang Zhong
Panicked: byte index 1024 is not a char boundary Status: fixed
Link: https://github.com/risingwavelabs/risingwave/issues/14283
Found by: Suyang Zhong

Virtuoso (6 bugs)

Unexpected results when Using Trigonometric functions Status: fixed
Link: https://github.com/openlink/virtuoso-opensource/issues/1213
Found by: Suyang Zhong
Unexpected results when Using RIGHT JOIN Status: fixed
Link: https://github.com/openlink/virtuoso-opensource/issues/1214
Found by: Suyang Zhong
Unexpected results when using trigonometric functions Status: fixed
Link: https://github.com/openlink/virtuoso-opensource/issues/1213
Found by: Suyang Zhong
Unexpected Results when using LEFT JOIN with NULL Status: fixed
Link: https://github.com/openlink/virtuoso-opensource/issues/1236
Found by: Suyang Zhong
Unexpected results when using LEFT JOIN with NULL as predicate Status: fixed
Link: https://github.com/openlink/virtuoso-opensource/issues/1238
Found by: Suyang Zhong
Crash by CASE WHEN and unknown identifier Status: fixed
Link: https://github.com/openlink/virtuoso-opensource/issues/1239
Found by: Suyang Zhong

tdengine (4 bugs)

Segmentation fault with certain queries Status: fixed
Link: https://github.com/taosdata/TDengine/issues/21323
Found by: Yuancheng Jiang
Unexpected generic error with LIKE query Status: open
Link: https://github.com/taosdata/TDengine/issues/21368
Found by: Yuancheng Jiang
Unexpected Syntax Error with Null Status: open
Link: https://github.com/taosdata/TDengine/issues/21520
Found by: Yuancheng Jiang
Segmentation fault when having IS NULL in JOIN condition Status: confirmed
Link: https://github.com/taosdata/TDengine/issues/22857
Found by: Yuancheng Jiang

redisgraph (4 bugs)

Unexpected results Status: confirmed
Link: https://github.com/RedisGraph/RedisGraph/issues/2744
Found by: Yuancheng Jiang
Buggy result Status: confirmed
Link: https://github.com/RedisGraph/RedisGraph/issues/2858
Found by: Yuancheng Jiang
Inconsistent results Status: confirmed
Link: https://github.com/RedisGraph/RedisGraph/issues/2859
Found by: Yuancheng Jiang
Inconsistent results when querying a symmetric path Status: confirmed
Link: https://github.com/RedisGraph/RedisGraph/issues/2865
Found by: Yuancheng Jiang

agensgraph (3 bugs)

Query gives inconsistent result Status: fixed
Link: https://github.com/bitnine-oss/agensgraph/issues/595
Found by: Yuancheng Jiang
Seems to be an unexpected error Status: fixed
Link: https://github.com/bitnine-oss/agensgraph/issues/609
Found by: Yuancheng Jiang
Inconsistent results when executing equivalent queries Status: fixed
Link: https://github.com/bitnine-oss/agensgraph/issues/617
Found by: Yuancheng Jiang

Percona (2 bugs)

Unexpected result related to CREATE INDEX and RADIANS Status: confirmed
Link: https://perconadev.atlassian.net/browse/PS-9049
Found by: Albert Zhang
Unexpected results when using ASIN function with NULLIF Status: confirmed
Link: https://perconadev.atlassian.net/jira/software/c/projects/PS/issues/PS-9085
Found by: Albert Zhang

H2 (2 bugs)

Potential issue when using ROUND Status: confirmed
Link: https://github.com/h2database/h2database/issues/3982
Found by: Suyang Zhong
Unexpected result when using trigonomeric functions Status: fixed
Link: https://github.com/h2database/h2database/issues/3981
Found by: Suyang Zhong

CUBRID (1 bugs)

ORDER BY causes row to be omitted with index and case expression Status: fixed
Link: http://jira.cubrid.org/browse/CBRD-25067
Found by: Manuel Rigger

Datalog Engines (30 bugs)

Soufflé (23 bugs)

Negative zero causes different results for interpreter mode and compiler mode Status: confirmed
Link: https://github.com/souffle-lang/souffle/issues/2311
Found by: Chi Zhang
A problem about ungrounded variable Status: unconfirmed
Link: https://github.com/souffle-lang/souffle/issues/2318
Found by: Chi Zhang
Souffle crashed on aggregates Status: confirmed
Link: https://github.com/souffle-lang/souffle/issues/2320
Found by: Chi Zhang
Assertion failure "relation not found" on provenance Status: confirmed
Link: https://github.com/souffle-lang/souffle/issues/2321
Found by: Chi Zhang
A problem about subsumption Status: confirmed
Link: https://github.com/souffle-lang/souffle/issues/2322
Found by: Chi Zhang
A problem that the result of subsumption is correct, but the final result is wrong Status: unconfirmed
Link: https://github.com/souffle-lang/souffle/issues/2323
Found by: Chi Zhang
The subsumption causes the execution of program been killed Status: confirmed
Link: https://github.com/souffle-lang/souffle/issues/2324
Found by: Chi Zhang
"inline" causes assertion failure "functor type not set" Status: confirmed
Link: https://github.com/souffle-lang/souffle/issues/2326
Found by: Chi Zhang
Wrong result caused by "eqrel" Status: unconfirmed
Link: https://github.com/souffle-lang/souffle/issues/2327
Found by: Chi Zhang
Wrong result with `inline` and `no_magic` Status: unconfirmed
Link: https://github.com/souffle-lang/souffle/issues/2337
Found by: Chi Zhang
`inline` cause `Ungrounded variable` not assertion failure Status: unconfirmed
Link: https://github.com/souffle-lang/souffle/issues/2338
Found by: Chi Zhang
`inline` cause `Floating-point arithmetic exception` without divide-by-zero Status: unconfirmed
Link: https://github.com/souffle-lang/souffle/issues/2339
Found by: Chi Zhang
`inline` and `magic` used together cause `Segmentation violation` Status: confirmed
Link: https://github.com/souffle-lang/souffle/issues/2340
Found by: Chi Zhang
different result under interpreter and compiler mode Status: unconfirmed
Link: https://github.com/souffle-lang/souffle/issues/2343
Found by: Chi Zhang
Assertion failure on auto-tuning Status: fixed
Link: https://github.com/souffle-lang/souffle/issues/2346
Found by: Chi Zhang
Insufficient grammar check for query plan Status: fixed
Link: https://github.com/souffle-lang/souffle/issues/2351
Found by: Chi Zhang
`inline` causes assertion failure `numeric constant type not set` Status: confirmed
Link: https://github.com/souffle-lang/souffle/issues/2355
Found by: Chi Zhang
`inline` in recursive query trigger an error with query plan Status: unconfirmed
Link: https://github.com/souffle-lang/souffle/issues/2369
Found by: Chi Zhang
`magic` causes different result Status: unconfirmed
Link: https://github.com/souffle-lang/souffle/issues/2375
Found by: Chi Zhang
Insufficient checking on unground variable Status: unconfirmed
Link: https://github.com/souffle-lang/souffle/issues/2379
Found by: Chi Zhang
A problem about subsumption. Status: unconfirmed
Link: https://github.com/souffle-lang/souffle/issues/2382
Found by: Chi Zhang
`eqrel` doesn't work well with provenance Status: unconfirmed
Link: https://github.com/souffle-lang/souffle/issues/2385
Found by: Chi Zhang
Assertion failure on `Auto-Scheduling` Status: confirmed
Link: https://github.com/souffle-lang/souffle/issues/2426
Found by: Chi Zhang

CozoDB (5 bugs)

Unexpected error in query parser Status: fixed
Link: https://github.com/cozodb/cozo/issues/97
Found by: Chi Zhang
System panic on modulo by zero Status: fixed
Link: https://github.com/cozodb/cozo/issues/99
Found by: Chi Zhang
Inconsistent results of two equivalent programs Status: fixed
Link: https://github.com/cozodb/cozo/issues/101
Found by: Chi Zhang
unexpected error of function `trim_start` Status: confirmed
Link: https://github.com/cozodb/cozo/issues/113
Found by: Chi Zhang
Unexpected result of `ge` on `-0.0` and `0.0` under magic rewrite Status: confirmed
Link: https://github.com/cozodb/cozo/issues/122
Found by: Chi Zhang

μZ (2 bugs)

Wrong result of z3 datalog Status: fixed
Link: https://github.com/Z3Prover/z3/issues/6446
Found by: Chi Zhang
Wrong result of z3 datalog with predict Status: confirmed
Link: https://github.com/Z3Prover/z3/issues/6447
Found by: Chi Zhang

XML Processors (26 bugs)

BaseX (16 bugs)

Error in arithemetic calculation result comparison Status: fixed
Link: https://github.com/BaseXdb/basex/issues/2188
Found by: ShuxinLi
Unexpected exception of division by zero Status: fixed
Link: https://github.com/BaseXdb/basex/issues/2189
Found by: ShuxinLi
Bug of operation on non-existing attribute Status: fixed
Link: https://github.com/BaseXdb/basex/issues/2190
Found by: ShuxinLi
Bug on node selection with last() Status: fixed
Link: https://github.com/BaseXdb/basex/issues/2191
Found by: ShuxinLi
Bug on child node selection with count() Status: fixed
Link: https://github.com/BaseXdb/basex/issues/2193
Found by: ShuxinLi
Bug on node selection with self axis Status: fixed
Link: https://github.com/BaseXdb/basex/issues/2194
Found by: ShuxinLi
Internal crash on has-children() result comparison Status: fixed
Link: https://github.com/BaseXdb/basex/issues/2213
Found by: ShuxinLi
Incorrect result for count after subsequence Status: fixed
Link: https://github.com/BaseXdb/basex/issues/2214
Found by: ShuxinLi
Unexpected exception of mapping double attributes Status: fixed
Link: https://github.com/BaseXdb/basex/issues/2215
Found by: ShuxinLi
Bug on map operation of empty sequence Status: fixed
Link: https://github.com/BaseXdb/basex/issues/2216
Found by: ShuxinLi
Bug on consecutive map with distinct-values Status: fixed
Link: https://github.com/BaseXdb/basex/issues/2217
Found by: ShuxinLi
Bug on node selection with position() Status: fixed
Link: https://github.com/BaseXdb/basex/issues/2219
Found by: ShuxinLi
Bug on arithemetic operations with last() and position() Status: fixed
Link: https://github.com/BaseXdb/basex/issues/2220
Found by: ShuxinLi
Bug on contains-token() with token index Status: fixed
Link: https://github.com/BaseXdb/basex/issues/2222
Found by: ShuxinLi
Unexpected exception of arithemetic operations with positional expression Status: fixed
Link: https://github.com/BaseXdb/basex/issues/2224
Found by: ShuxinLi
Incorrect result count with multiple sequence operators Status: fixed
Link: https://github.com/BaseXdb/basex/issues/2225
Found by: ShuxinLi

eXist-db (6 bugs)

XQuery query with index after predicate selection Status: confirmed
Link: https://github.com/eXist-db/exist/issues/4968
Found by: ShuxinLi
XQuery fails to select node with true predicate Status: confirmed
Link: https://github.com/eXist-db/exist/issues/4958
Found by: ShuxinLi
XQuery bug of node selection of tail() after subsequence() Status: fixed
Link: https://github.com/eXist-db/exist/issues/4830
Found by: ShuxinLi
XQuery bug on selecting nodes with last() Status: confirmed
Link: https://github.com/eXist-db/exist/issues/4824
Found by: ShuxinLi
XQuery simple node selection return duplicate nodes Status: confirmed
Link: https://github.com/eXist-db/exist/issues/4811
Found by: ShuxinLi
XQuery return wrong results on start-with comparison Status: confirmed
Link: https://github.com/eXist-db/exist/issues/4810
Found by: ShuxinLi

Saxonica (4 bugs)

Bug on exist() with non-existing attribute Status: fixed
Link: https://saxonica.plan.io/issues/6051
Found by: ShuxinLi
NullPointerException with upper-case function Status: fixed
Link: https://saxonica.plan.io/issues/6067
Found by: ShuxinLi
Bug on predicate with last() Status: fixed
Link: https://saxonica.plan.io/issues/6093
Found by: ShuxinLi
Bug on '-' castable to xs:duration Status: fixed
Link: https://saxonica.plan.io/issues/6059
Found by: ShuxinLi