vesoft-inc/nebula v3.4.0 on GitHub

Feature

Optimize job management. #5212 #5093 #5099 #4872
Modify the default value of the Graph service parameter session_reclaim_interval_secs to 60 seconds. #5246
Adjust the default level of stderrthreshold in the configuration file. #5188
Optimize the full-text index. #5077 #4900 #4925
Limit the maximum depth of the plan tree in the optimizer to avoid stack overflows. #5050
Optimize the treatment scheme when the pattern expressions are used as predicates. #4916

Fix the bug about query plan generation and optimization. #4863 #4813
Fix the bugs related to indexes:
- Full-text indexes #5214 #5260
- String indexes #5126
Fix the bugs related to query statements:
- Variables #5192
- Filter conditions and expressions #4952 #4893 #4863
- Properties of vertices or edges #5230 #4846 #4841 #5238
- Functions and aggregations #5135 #5121 #4884
- Using illegal data types #5242
- Clauses and operators #5241 #4965
Fix the bugs related to DDL and DML statements:
- ALTER TAG #5105 #5136
- UPDATE #4933
Fix the bugs related to other functions:
- TTL #4961
- Authentication #4885
- Services #4896

The added property name can not be the same as an existing or deleted property name, otherwise, the operation of adding a property fails. #5130
Limit the type conversion when modifying the schema. #5098
The default value must be specified when creating a property of type NOT NULL. #5105
Add the multithreaded query parameter query_concurrently to the configuration file with a default value of true. #5119
Remove the parameter kv_separation of the KV separation storage function from the configuration file, which is turned off by default. #5119
Modify the default value of local_config in the configuration file to true. #5119
Consistent use of v.tag.property to get property values, because it is necessary to specify the Tag. Using v.property to access the property of a Tag on v was incorrectly allowed in the previous version. #5230
Remove the column HTTP port from the command SHOW HOSTS. #5056
Disable the queries of the form OPTIONAL MATCH <pattern> WHERE <condition>. #5273
Disable TOSS. #5119
Rename Listener's pid filename and log directory name. #5119

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