47 lines
1.5 KiB
Python
47 lines
1.5 KiB
Python
#------------------------------------------------------------------------------
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# Copyright (c) 2016, 2021, Oracle and/or its affiliates. All rights reserved.
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#------------------------------------------------------------------------------
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#------------------------------------------------------------------------------
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# plsql_collection.py
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#
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# Demonstrate how to get the value of a PL/SQL collection from a stored
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# procedure.
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#
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# This feature is new in cx_Oracle 5.3 and is only available in Oracle
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# Database 12.1 and higher. The ability to get the collection as a dictionary
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# is new in cx_Oracle 7.0.
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#------------------------------------------------------------------------------
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import cx_Oracle as oracledb
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import sample_env
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connection = oracledb.connect(sample_env.get_main_connect_string())
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# create new empty object of the correct type
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# note the use of a PL/SQL type defined in a package
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type_obj = connection.gettype("PKG_DEMO.UDT_STRINGLIST")
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obj = type_obj.newobject()
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# call the stored procedure which will populate the object
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cursor = connection.cursor()
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cursor.callproc("pkg_Demo.DemoCollectionOut", (obj,))
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# show the indexes that are used by the collection
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print("Indexes and values of collection:")
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ix = obj.first()
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while ix is not None:
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print(ix, "->", obj.getelement(ix))
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ix = obj.next(ix)
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print()
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# show the values as a simple list
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print("Values of collection as list:")
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print(obj.aslist())
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print()
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# show the values as a simple dictionary
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print("Values of collection as dictionary:")
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print(obj.asdict())
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print()
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