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authorMarcos Magueta <maguetamarcos@gmail.com>2026-03-05 23:42:15 -0300
committerMarcos Magueta <maguetamarcos@gmail.com>2026-03-05 23:42:15 -0300
commit8c640a262969ef44cd8bc0e0abe95e2a54f4c3f5 (patch)
tree84f9ddd9e41236fb7a6f540aab07e65db9bc93cb /docs/iterator-pipeline.puml
parent295c6a5a1f2b0db9d756ffe7bf413553a0c02737 (diff)
downloadSakura-8c640a262969ef44cd8bc0e0abe95e2a54f4c3f5.tar.gz
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ocaml re-migration
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-@startuml iterator-pipeline
-!theme plain
-title Volcano Iterator Model - Process Pipeline
-
-component "Scan Iterator\n(Process)" as P1 {
- [Read from Relation] as S1
-}
-
-component "Select Iterator\n(Process)" as P2 {
- [Apply Predicate] as S2
-}
-
-component "Project Iterator\n(Process)" as P3 {
- [Filter Attributes] as S3
-}
-
-component "Sort Iterator\n(Process)" as P4 {
- [Sort All Tuples] as S4
-}
-
-component "Take Iterator\n(Process)" as P5 {
- [Limit N Tuples] as S5
-}
-
-P1 -right-> P2: {next, Pid}\n{tuple, T} | done
-P2 -right-> P3: {next, Pid}\n{tuple, T} | done
-P3 -right-> P4: {next, Pid}\n{tuple, T} | done
-P4 -right-> P5: {next, Pid}\n{tuple, T} | done
-
-note bottom of P1
- Each iterator is an
- independent Erlang process
-
- Message passing protocol:
- - Request: {next, CallerPid}
- - Response: {tuple, Data} | done
-
- Benefits:
- - Lazy evaluation
- - Memory-bounded
- - Composable
- - Concurrent
-end note
-
-@enduml