W1CDN/aprs_tool
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Try to fix race condition in frames and stations tables.

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This commit is contained in:
Matt Old Account 2023-07-12 09:34:39 -05:00
parent d2cdaa820a
commit e3cb68551b
1 changed files with 4 additions and 4 deletions
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8
kiss_and_db.py
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@ -62,14 +62,15 @@ def main():
attrib_names = ', '.join('"%s"' % w for w in a.keys()) attrib_names = ', '.join('"%s"' % w for w in a.keys())
attrib_values = ", ".join("?" * len(a.keys())) attrib_values = ", ".join("?" * len(a.keys()))
sql = "INSERT INTO frames ("+attrib_names+") VALUES ("+attrib_values+")" sql = "INSERT INTO frames ("+attrib_names+") VALUES ("+attrib_values+")"
conn.commit()
try: try:
# Insert data # Insert data
conn.execute(sql, list(a.values())) conn.execute(sql, list(a.values()))
# TODO update stations table here # TODO update stations table here
# Original intent was to include the id from the frames table, # Original intent was to include the id from the frames table,
# but that would mean making another conn.commit() (I think). # but that would mean making another query.
# It's not immediately needed, so I'm skipping it. # It's not immediately needed, so I'm skipping it.
# Build query # Build query
# "from" is wrappedin [] because it is a reserved word and using '' doesn't work. # "from" is wrappedin [] because it is a reserved word and using '' doesn't work.
@ -83,11 +84,10 @@ def main():
print(query3) print(query3)
# Insert/update data # Insert/update data
conn.execute(query3) conn.execute(query3)
conn.commit()
except: except:
print("Stations table couldn't be updated.") print("Stations table couldn't be updated.")
conn.commit()
# TODO remove packets that are older ('created') than a limit set in config.ini # TODO remove packets that are older ('created') than a limit set in config.ini
# "5 minutes" also works # "5 minutes" also works
#conn.execute("DELETE FROM frames WHERE created < DATETIME('now', '"+config['Settings']['keep_time']+"')") #conn.execute("DELETE FROM frames WHERE created < DATETIME('now', '"+config['Settings']['keep_time']+"')")