74d9d71484
tests. Although the two are aliases of one another, it makes sense to be consistent and to use the one that the DB API prefers as well.
60 lines
2.0 KiB
Python
60 lines
2.0 KiB
Python
#------------------------------------------------------------------------------
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# Copyright (c) 2017, 2018, Oracle and/or its affiliates. All rights reserved.
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#
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# Portions Copyright 2007-2015, Anthony Tuininga. All rights reserved.
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#
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# Portions Copyright 2001-2007, Computronix (Canada) Ltd., Edmonton, Alberta,
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# Canada. All rights reserved.
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#------------------------------------------------------------------------------
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#------------------------------------------------------------------------------
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# UniversalRowids.py
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# This script demonstrates the use of universal rowids. Universal rowids are
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# used to identify rows in index organized tables.
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#
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# This script requires cx_Oracle 6.0 and higher.
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#------------------------------------------------------------------------------
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from __future__ import print_function
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import cx_Oracle
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import datetime
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import SampleEnv
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DATA = [
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(1, "String #1", datetime.datetime(2017, 4, 4)),
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(2, "String #2", datetime.datetime(2017, 4, 5)),
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(3, "A" * 250, datetime.datetime(2017, 4, 6))
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]
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# truncate table so sample can be rerun
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connection = cx_Oracle.connect(SampleEnv.MAIN_CONNECT_STRING)
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cursor = connection.cursor()
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print("Truncating table...")
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cursor.execute("truncate table TestUniversalRowids")
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# populate table with a few rows
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print("Populating table...")
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for row in DATA:
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print("Inserting", row)
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cursor.execute("insert into TestUniversalRowids values (:1, :2, :3)", row)
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connection.commit()
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# fetch the rowids from the table
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rowids = [r for r, in cursor.execute("select rowid from TestUniversalRowids")]
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# fetch each of the rows given the rowid
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for rowid in rowids:
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print("-" * 79)
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print("Rowid:", rowid)
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cursor.execute("""
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select IntCol, StringCol, DateCol
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from TestUniversalRowids
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where rowid = :rid""",
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rid = rowid)
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intCol, stringCol, dateCol = cursor.fetchone()
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print("IntCol:", intCol)
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print("StringCol:", stringCol)
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print("DateCol:", dateCol)
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