| Participated | [FEATURE PATCH] pg_stat_statements with plans | almost 9 years ago | |
| Participated | [WIP]Vertical Clustered Index (columnar store extension) | almost 9 years ago | |
| Participated | SQL/JSON in PostgreSQL | almost 9 years ago | |
| Participated | ANALYZE command progress checker | almost 9 years ago | |
| Participated | Statement-level rollback | almost 9 years ago | |
| Participated | Block level parallel vacuum WIP | almost 9 years ago | |
| Participated | make async slave to wait for lsn to be replayed | almost 9 years ago | |
| Participated | GUC for cleanup indexes threshold. | almost 9 years ago | |