NebulaGraph Database v3.5.0 Release Note

NebulaGraph Community Edition v3.5.0 is here! This version greatly improves FIND PATH performance.

Features

Support UDF. #4804 #5391

Support expressions like v.tag in return statements. #5440

Support json_extract function in UPDATE statements. #5457

Support TCK format in EXPLAIN output. #5414

DML supports parameters. #5328

Optimizations

Support TTL in milliseconds. #5430

Enhance attribute trimming in aggregation functions. #5301

Improve the performance of traversal executor. #5308

Optimize FIND ALL PATH performance. #5409

Removes some Raft locks to improve performance. #5451

Optimize predicate function filtering for variable-length edges. #5464 #5470 #5481 #5503

Parallel traversal executor. #5314

MATCH supports ID collection. #5360

Refactor the GO planner. #5369

Add some Graph performance options in the configuration file. #5463

Add maximum connection number flag. #5309

Bug fixes

Fix the defect where RocksDB data import invalidates the leader lease. #5271

Fix the error message when DESC USER does not exist. #5345

Fix the defect where CREATE IF NOT EXIST fails when SPACE exists. #5375

Fix the incorrect edge direction in GetNeighbors plan. #5386

Fix the client IP format in the SHOW SESSIONS command. #5388

Fix the defect where attributes are pruned in USE and MATCH. #5263

Fix the defect where the filter is not pushed down in some cases. #5395

Fix the defect where the filter is incorrectly filtered in some cases. #5422

Fix the incorrect handling of internal variables in pattern expressions. #5424

Fix defects involving EMPTY comparisons. #5433

Fix the defect where duplicate columns are returned when all columns are requested in MATCH. #5443

Fix the error in comparing paths involving reflexive edges. #5444

Fix the defect of redefining aliases in a MATCH path. #5446

Fix the type check defect when inserting geographical location values. #5460

Fix the crash in a shortest path. #5472

Fix the crash in GEO. #5475

Fix the error in MATCH…contains. #5485

Fix the bug of incorrect session count in concurrency. #5496

Fix the defect of SUBGRAPH and PATH parameters. #5500

Fix the defect in regular expressions. #5507

Changes

Disable edge list join, not supporting the use of edge list in multiple patterns. #5268

Remove GLR parser, needs to change YIELD 1–-1 to YIELD 1– -1. #5290

If you encounter any problems in the process of using NebulaGraph, please refer to NebulaGraph Database Manual to troubleshoot the problem. It records in detail the knowledge points and specific usage of the graph database NebulaGraph.

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