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JSON array constructor by query cannot handle set operations in argument queries

Status: Open.

#4325 In h2database/h2database;

· lukaseder opened on Feb 4, 2026

ALTER TABLE ADD with long column name removes similar column after disconnect

Status: Open.

#4324 In h2database/h2database;

· cbbravo opened on Feb 3, 2026

DELETE followed by INSERT --> Chunk not found

Status: Open.

#4322 In h2database/h2database;

· manticore-projects opened on Jan 27, 2026

unable to generate proper syntax when calling SCRIPT tool

Status: Open.

#4321 In h2database/h2database;

· jrodguitar opened on Jan 26, 2026

new row not visible with insertRow on updatable/scrollable resultset

Status: Open.

#4319 In h2database/h2database;

· optyfr opened on Jan 22, 2026

deeply nested where-in query hangs (cycles) indefinitely after upgrading to 2.4.240

Status: Open.

#4318 In h2database/h2database;

· Incanus3 opened on Jan 22, 2026

[H2 database] The database has been closed [90098-232]

Status: Open.

#4316 In h2database/h2database;

· ashang-redhat opened on Jan 7, 2026

How can I recovery the H2 database and why got this exception?

Status: Open.

#4315 In h2database/h2database;

· Glenrodrigues opened on Jan 5, 2026

Upper case at login form for choose language

Status: Open.

#4295 In h2database/h2database;

· Veneckiy opened on Oct 14, 2025

Data Races org.h2.jdbc.JdbcConnection

Status: Open.

#4289 In h2database/h2database;

· ThomasKrieger opened on Sep 29, 2025

Allow indexes to be made invisible to the query planner

Status: Open.

#4282 In h2database/h2database;

· ashleymercer opened on Sep 15, 2025

H2 selects less selective index in query plan

Status: Open.

#4281 In h2database/h2database;

· ashleymercer opened on Sep 15, 2025