connString = "ATTACH=FALSE" # Attach To A Database; Not A Server
connString += ";DATABASE=" + dbName # Required To Connect To A Database
connString += ";PROTOCOL=TCPIP"
connString += ";UID=" + userID
connString += ";PWD=" + passWord
# Attempt To Establish A Connection To The Database Specified
try:
dbConnection = ibm_db.connect(connString, '', '')
except Exception:
pass
# If A Db2 Database Connection Could Not Be Established, Display An Error Message And Exit
if dbConnection is None:
print("\nERROR: Unable to connect to the \'" + dbName + "\' database.")
exit(-1)
# Otherwise, Complete The Status Message
else:
print("Done!\n")
# Add Additional Db2 Database-Related Processing Here ...
# Attempt To Close The Db2 Database Connection That Was Just Opened
if not dbConnection is None:
print("Disconnecting from the \'" + dbName + "\' database ... ", end="")
try:
returnCode = ibm_db.close(dbConnection)
except Exception:
pass
"\' server ... \n")
# Attempt To Close All Of The Remaining Db2 Server Connections That Were Opened Earlier
for loopCounter in range(10):
# If The Specified Connection Is Open, Attempt To Close It
if not svrConnection[loopCounter] is None:
try:
returnCode = ibm_db.close(svrConnection[loopCounter])
except Exception:
pass
# If The Connection Could Not Be Closed, Display An Error Message And Continue
if returnCode is False:
print("\nERROR: Unable to disconnect from the " + hostName +
" server.")
continue
# Otherwise, Display A "Connection Closed" Status Message
else:
print(" Connection {:>2} closed!".format(loopCounter + 1))
# Display A Status Message Indicating All Db2 Server Connections Have Been Returned To The
# Connection Pool
print(
"\nAll Db2 server connections have been returned the pool of connections opened earlier.\n"
)
# Return Control To The Operating System
exit()