trino
Java Easytrinodb/trino
12,698 stars
3,555 forks
50 open issues
Active Apr 2026
Beginner-Friendly Issues 50
Issues tagged for new contributors
Container health check does not check for default values
#29043 · Apr 8, 2026
Delta Lake OPTIMIZE doesn't compact deletion vectors in case of single data file
#29041 · Apr 8, 2026
delta-lake
Improve import speed for Exasol connector
#29014 · Apr 7, 2026
performance
Improve readability of io.trino.spi.variant.Variant#toString
#29007 · Apr 7, 2026
Return execution metrics while running the `OPTIMIZE` command in Delta Lake
#28999 · Apr 6, 2026
good first issue delta-lake
Use of OneLake regional endpoints currently blocked due to hyphen
#28983 · Apr 2, 2026
Fix duplicate Iceberg column name surfacing as INTERNAL_ERROR
#28981 · Apr 2, 2026
Support for Elasticsearch 9.x (date range query compatibility)
#28977 · Apr 2, 2026
Cancelled Trino queries keep running on Elasticsearch
#28927 · Mar 30, 2026
Iceberg: `$partitions` metadata table missing delete file metrics
#28910 · Mar 29, 2026
Flaky test `TestServerAbandonedQueries.testAbandonedQueries`
#28904 · Mar 27, 2026
Flaky Tests
Support NUMBER type in CBO
#28899 · Mar 27, 2026
performance
Map Snowflake DECFLOAT to Trino NUMBER
#28897 · Mar 27, 2026
Cassandra flaky tests: `Query timed out after PT30S`
#28896 · Mar 27, 2026
Flaky Tests
Map Cassandra DECIMAL to Trino NUMBER
#28895 · Mar 27, 2026
Trino Python UDFs don't work with NUMBER type
#28890 · Mar 26, 2026
Cast from JSON number with decimal point to VARCHAR loses precision
#28881 · Mar 26, 2026
Flaky Tests
According to docs, `json_array_get` is just buggy
#28861 · Mar 25, 2026
Introduce CachingPolicy SPI for table-selective filesystem caching
#28858 · Mar 25, 2026
Add support for denying specific extra properties in Iceberg connector
#28853 · Mar 25, 2026
Trino 476 memory leak with system table
#28831 · Mar 24, 2026
Trino doesn't push date partition predicates to Glue
#28817 · Mar 24, 2026
OrcSourcePage get block do not handle RuntimeException
#28803 · Mar 23, 2026
Improve schema projection performance for Iceberg tables
#28787 · Mar 20, 2026
iceberg
Uniqueness of identifiers in databases
#28786 · Mar 20, 2026
Document `truncate(number, position)` function
#28765 · Mar 19, 2026
good first issue needs-docs
Function/operator overload selection is non-deterministic
#28763 · Mar 19, 2026
correctness
MV REFRESH resolves session-scoped expressions from refreshing user instead of MV owner
#28738 · Mar 18, 2026
RFC / Interest check: JDBC-based Arrow Flight SQL connector for Doris / StarRocks?
#28735 · Mar 18, 2026
InformationSchemaMetadata can only be used with lowercase identifiers
#28732 · Mar 18, 2026
Smarter MV freshness for time-based non-deterministic functions
#28731 · Mar 18, 2026
Flaky Tests
Flaky test TestPostgreSqlRollbacks.testRollbackCreateTableAsSelect
#28729 · Mar 18, 2026
Flaky Tests
Flaky test TestHive3OnDataLake when executing hive
#28728 · Mar 18, 2026
Flaky Tests
Improve check-commit failure message due to webapp compilation error
#28727 · Mar 18, 2026
ui dx
enhancement good first issue
correctness
Update default Cassandra version to 4.x
#28687 · Mar 17, 2026
good first issue cassandra
Difference between TrinoFileSystem.listFiles contract and implementation
#28665 · Mar 16, 2026
Optimize on an Iceberg table fails under certain conditions
#28636 · Mar 13, 2026
Trino SHOW COLUMNS only returns the first row
#28630 · Mar 12, 2026
Trino Ranger Plugin using Policy Conditions with Regex has memory leaks
#28626 · Mar 12, 2026
Unable to Restrict Access to Plugin UDFs After They Appear Under system.builtin
#28608 · Mar 11, 2026
OPA Access Control Select From Columns Error message
#28602 · Mar 10, 2026