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| author | Marcos Magueta <maguetamarcos@gmail.com> | 2026-03-05 23:42:15 -0300 |
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| committer | Marcos Magueta <maguetamarcos@gmail.com> | 2026-03-05 23:42:15 -0300 |
| commit | 8c640a262969ef44cd8bc0e0abe95e2a54f4c3f5 (patch) | |
| tree | 84f9ddd9e41236fb7a6f540aab07e65db9bc93cb /docs/temporal-queries.puml | |
| parent | 295c6a5a1f2b0db9d756ffe7bf413553a0c02737 (diff) | |
| download | Sakura-8c640a262969ef44cd8bc0e0abe95e2a54f4c3f5.tar.gz Sakura-8c640a262969ef44cd8bc0e0abe95e2a54f4c3f5.zip | |
ocaml re-migration
Diffstat (limited to '')
| -rw-r--r-- | docs/temporal-queries.puml | 61 |
1 files changed, 0 insertions, 61 deletions
diff --git a/docs/temporal-queries.puml b/docs/temporal-queries.puml deleted file mode 100644 index 7d72ed5..0000000 --- a/docs/temporal-queries.puml +++ /dev/null @@ -1,61 +0,0 @@ -@startuml temporal-queries -!theme plain -title Temporal Queries with Immutable Database States - -database "DB @ t0" as DB0 -note bottom of DB0 - hash = abc123... - timestamp = 2024-01-01 10:00 - - relations: - employee => hash_e0 -end note - -database "DB @ t1" as DB1 -note bottom of DB1 - hash = def456... - timestamp = 2024-01-01 11:00 - - relations: - employee => hash_e1 -end note - -database "DB @ t2" as DB2 -note bottom of DB2 - hash = ghi789... - timestamp = 2024-01-01 12:00 - - relations: - employee => hash_e2 -end note - -database "Current DB" as DB3 -note bottom of DB3 - hash = jkl012... - timestamp = 2024-01-01 13:00 - - relations: - employee => hash_e3 -end note - -DB0 -right-> DB1: insert tuple -DB1 -right-> DB2: update salary -DB2 -right-> DB3: delete tuple - -note top of DB0 - **Time Travel Queries:** - - query_at_time(2024-01-01 10:00) - → returns DB0 - - query_at_time(2024-01-01 12:00) - → returns DB2 - - diff(DB0, DB3) - → (inserted: [...], deleted: [...], modified: [...]) - - history(employee, id: 1) - → [(t0, state0), (t1, state1), (t2, state2)] -end note - -@enduml |