Xiaokang Yang

OSPP Follow-up issues

1

### Describe the enhancement requested ## kuzu-extension - [ ] Contribute [kuzu-extension](https://github.com/apache/incubator-graphar/tree/kuzu-extension) to kuzu/ladybug - [ ] Use a lower-level data transformation method ## ldbc-snb datagen - [ ] Merge...

### Describe the enhancement requested As shown in the title. We registered the pypi name of `graphar`. It is also necessary to - [ ] adjust the python project structure...

feat(java,info): support multi-labels in yaml

2

### Reason for this PR close #779 ### What changes are included in this PR? ### Are these changes tested? ### Are there any user-facing changes?

### Describe the enhancement requested Described in #768, support multi-property ### Component(s) Java

### Describe the enhancement requested Described in #768, support multi-labels ### Component(s) Java

feat(java,info): Add remove method in java-info

3

### Describe the enhancement requested Users can add or delete `vertexInfos`/`edgeInfos` in `graphInfo`, or add or delete `propertyGroups`/`adjacentLists` in `vertexInfos`/`edgeInfos`, in order to achieve on-demand loading of chunk files. For...

feat(java,info): support multi-property in yaml

2

### Reason for this PR close #778 ### What changes are included in this PR? ### Are these changes tested? ### Are there any user-facing changes?

feat(java,info): support multi-property and multi-labels in yaml

1

### Describe the enhancement requested Make changes in #719 in java-info. add cardinality to YAML to indicate multi-property types. ### Component(s) Java

[DISCUSSION][java] Architecture Discussion for Java Repository

14

### Describe the enhancement requested We need to have a focused discussion on the overall architecture of the Java repository. While we’ve had preliminary conversations in comments (#738, #739), those...

### Describe the enhancement requested 1. add `timestamp` and `date` type in [DataType](https://github.com/apache/incubator-graphar/blob/676d301f254405419c593634a9569cc03a4d7d0e/maven-projects/info/src/main/java/org/apache/graphar/info/type/DataType.java) 2. add test case for load/save timestamp/date type. Testing yaml file: [person_knows-timestamp_person.edge.yml](https://github.com/apache/incubator-graphar-testing/blob/8286724cd898047de833f0304dbddd2831afdf9f/ldbc_sample/parquet/person_knows-timestamp_person.edge.yml) ### Component(s) Java