340dcb7195
so that the SQL scripts used to create/drop schemas are easily adjusted to use different schema names, if desired. Improve documentation for test suite and samples.
49 lines
1.7 KiB
Python
49 lines
1.7 KiB
Python
#------------------------------------------------------------------------------
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# Copyright 2017, 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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# DMLReturningMultipleRows.py
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# This script demonstrates the use of DML returning with multiple rows being
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# returned at once.
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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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# truncate table first so that script can be rerun
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connection = cx_Oracle.Connection(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 TestTempTable")
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# populate table with a few rows
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for i in range(5):
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data = (i + 1, "Test String #%d" % (i + 1))
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print("Adding row", data)
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cursor.execute("insert into TestTempTable values (:1, :2)", data)
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# now delete them and use DML returning to return the data that was inserted
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intCol = cursor.var(int)
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stringCol = cursor.var(str)
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print("Deleting data with DML returning...")
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cursor.execute("""
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delete from TestTempTable
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returning IntCol, StringCol into :intCol, :stringCol""",
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intCol = intCol,
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stringCol = stringCol)
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print("Data returned:")
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for intVal, stringVal in zip(intCol.values, stringCol.values):
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print(tuple([intVal, stringVal]))
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