sandronator/finetuning_aufgabe4
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Sandro Fuetsch Titan
2026-05-26 19:23:46 +02:00
commit 7a46ef3759
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main.py
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from manager import Manager
from baseStrategy import BaseStrategy
from nestedInnerLoopStrategy import NestedInnerLoopStrategy
from sortMergeStrategy import SortMergeStrategy
from hashJoinStrategy import HashJoinStrategy
from setup import get_connection
from repositories.all_queries import queries_postgres
if __name__ == '__main__':
join_manager: Manager | None = None
db_post, conn_postsql = get_connection(maria=False)
queries_explict_no_index_postgresql = queries_postgres["no_index"]
#Test on Postgresql
#Aufgabe 1
join_manager = Manager(BaseStrategy(conn_postsql, db_post, queries_postgres["with_index"]))
#join_manager.setup_db("no-index")
#join_manager.setQueries(queries_ignore_index) 3 Billionen Einträge durch kreuzprodukt > 10min
#join_manager.execute()
join_manager.setup_db("unique-publ")
join_manager.execute()
join_manager.setup_db("cl-both")
join_manager.execute()
#Aufgabe 2
join_manager.setStrategy(NestedInnerLoopStrategy(conn_postsql, db_post, queries_postgres["with_index"]))
join_manager.setup_db("nc-publ")
join_manager.execute()
join_manager.setup_db("nc-auth")
join_manager.execute()
join_manager.setup_db("nc-both")
join_manager.execute()
#Aufgabe 3
join_manager.setStrategy(SortMergeStrategy(conn_postsql, db_post, queries_postgres["no_index"]))
join_manager.setup_db("no-index")
join_manager.execute()
join_manager.setQueries(queries_postgres["with_index"])
join_manager.setup_db("nc-both")
join_manager.execute()
join_manager.setup_db("cl-both")
#Aufgabe 4
join_manager.setStrategy(HashJoinStrategy(conn_postsql, db_post, queries_postgres["no_index"]))
join_manager.setup_db("no-index")
join_manager.execute()