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VECSL internal error for ANY subquery with chained RIGHT JOINs and a grouped derived table

Status: Open.

#1464 In openlink/virtuoso-opensource;

· chen8908917 opened on Aug 15, 2026

SQ156 optimized compiler error for a grouped CASE containing double-parenthesized NOT IN

Status: Open.

#1463 In openlink/virtuoso-opensource;

· chen8908917 opened on Aug 15, 2026

Redundant DISTINCT in an IN subquery avoids an expensive execution path

enhancement

Status: Open.

#1462 In openlink/virtuoso-opensource;

· chen8908917 opened on Aug 15, 2026

AND TRUE removes a row produced by nested derived aggregates

bug

Status: Open.

#1460 In openlink/virtuoso-opensource;

· chen8908917 opened on Aug 15, 2026

INTERSECT returns duplicate NULL rows that do not occur in the right input

Status: Open.

#1459 In openlink/virtuoso-opensource;

· chen8908917 opened on Aug 15, 2026

INTERSECT incorrectly preserves duplicate NULL rows

bug

Status: Open.

#1458 In openlink/virtuoso-opensource;

· chen8908917 opened on Aug 15, 2026

Clarification request: ORDER BY scope in a parenthesized EXCEPT operand

Status: Open.

#1456 In openlink/virtuoso-opensource;

· chen8908917 opened on Aug 15, 2026

SQL compiler stack overflow on nested subqueries

Status: Open.

#1455 In openlink/virtuoso-opensource;

· chen8908917 opened on Aug 15, 2026

SQI01 compiler loop in mixed set-operation query

Status: Open.

#1454 In openlink/virtuoso-opensource;

· chen8908917 opened on Aug 15, 2026

SQI01 compiler loop with DISTINCT aggregate and scalar subquery

Status: Open.

#1453 In openlink/virtuoso-opensource;

· chen8908917 opened on Aug 15, 2026

SQ155 optimized compiler error with JOIN and nested IN subquery

Status: Open.

#1452 In openlink/virtuoso-opensource;

· chen8908917 opened on Aug 15, 2026

EXCEPT against a known-empty table is not simplified

enhancement

Status: Open.

#1451 In openlink/virtuoso-opensource;

· chen8908917 opened on Aug 15, 2026