NebulaGraph Community Edition

Features

• Support full table scan without index. #5416
• 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