73 lines
2.2 KiB
Python
73 lines
2.2 KiB
Python
""" db_print.py -- a simple demo for ADO database reads."""
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import sys
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import adodbapi.ado_consts as adc
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cmd_args = ("filename", "table_name")
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if "help" in sys.argv:
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print("possible settings keywords are:", cmd_args)
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sys.exit()
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kw_args = {} # pick up filename and proxy address from command line (optionally)
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for arg in sys.argv:
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s = arg.split("=")
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if len(s) > 1:
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if s[0] in cmd_args:
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kw_args[s[0]] = s[1]
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kw_args.setdefault(
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"filename", "test.mdb"
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) # assumes server is running from examples folder
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kw_args.setdefault("table_name", "Products") # the name of the demo table
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# the server needs to select the provider based on his Python installation
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provider_switch = ["provider", "Microsoft.ACE.OLEDB.12.0", "Microsoft.Jet.OLEDB.4.0"]
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# ------------------------ START HERE -------------------------------------
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# create the connection
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constr = "Provider=%(provider)s;Data Source=%(filename)s"
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import adodbapi as db
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con = db.connect(constr, kw_args, macro_is64bit=provider_switch)
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if kw_args["table_name"] == "?":
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print("The tables in your database are:")
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for name in con.get_table_names():
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print(name)
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else:
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# make a cursor on the connection
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with con.cursor() as c:
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# run an SQL statement on the cursor
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sql = "select * from %s" % kw_args["table_name"]
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print('performing query="%s"' % sql)
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c.execute(sql)
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# check the results
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print(
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'result rowcount shows as= %d. (Note: -1 means "not known")' % (c.rowcount,)
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)
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print("")
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print("result data description is:")
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print(" NAME Type DispSize IntrnlSz Prec Scale Null?")
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for d in c.description:
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print(
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("%16s %-12s %8s %8d %4d %5d %s")
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% (d[0], adc.adTypeNames[d[1]], d[2], d[3], d[4], d[5], bool(d[6]))
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)
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print("")
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print("str() of first five records are...")
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# get the results
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db = c.fetchmany(5)
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# print them
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for rec in db:
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print(rec)
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print("")
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print("repr() of next row is...")
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print(repr(c.fetchone()))
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print("")
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con.close()
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