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Use in memory db to speed the merge #1

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Feb 23, 2023
Merged

Use in memory db to speed the merge #1

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16 changes: 10 additions & 6 deletions testmon/db.py
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Original file line number Diff line number Diff line change
Expand Up @@ -37,19 +37,23 @@ def merge_dbs(merged_datafile, db_1: "DB", db_2: "DB") -> "DB":
if db_1.env != db_2.env:
raise

merged_db = DB(merged_datafile, environment=db_1.env)
with merged_db:
memory_db = DB(":memory:", environment=db_1.env)
file_db = DB(merged_datafile, environment=db_1.env)
with memory_db:
with db_1:
for data in db_1.all_data():
merged_db.insert_node_fingerprints(data["name"], fingerprints=[data], failed=data["failed"],
memory_db.insert_node_fingerprints(data["name"], fingerprints=[data], failed=data["failed"],
duration=data["duration"])

with db_2:
for data in db_2.all_data():
merged_db.insert_node_fingerprints(data["name"], fingerprints=[data], failed=data["failed"],
memory_db.insert_node_fingerprints(data["name"], fingerprints=[data], failed=data["failed"],
duration=data["duration"])

return merged_db
with file_db:
memory_db.con.backup(file_db.con)

return file_db


class DB:
Expand Down Expand Up @@ -324,7 +328,7 @@ def filenames_fingerprints(self):
def all_data(self) -> List[dict]:
cursor = self.con.execute(
"""
SELECT
SELECT
n.name,
n.duration,
n.failed,
Expand Down