56 lines
2.0 KiB
Python
56 lines
2.0 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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# 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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# insert_geometry.py
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# This script demonstrates the ability to create Oracle objects (this example
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# uses SDO_GEOMETRY) and insert them into a table.
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#
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# This script requires cx_Oracle 5.3 and higher.
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#------------------------------------------------------------------------------
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import cx_Oracle as oracledb
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import sample_env
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# create and populate Oracle objects
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connection = oracledb.connect(sample_env.get_main_connect_string())
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type_obj = connection.gettype("MDSYS.SDO_GEOMETRY")
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element_info_type_obj = connection.gettype("MDSYS.SDO_ELEM_INFO_ARRAY")
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ordinate_type_obj = connection.gettype("MDSYS.SDO_ORDINATE_ARRAY")
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obj = type_obj.newobject()
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obj.SDO_GTYPE = 2003
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obj.SDO_ELEM_INFO = element_info_type_obj.newobject()
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obj.SDO_ELEM_INFO.extend([1, 1003, 3])
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obj.SDO_ORDINATES = ordinate_type_obj.newobject()
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obj.SDO_ORDINATES.extend([1, 1, 5, 7])
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print("Created object", obj)
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# create table, if necessary
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cursor = connection.cursor()
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cursor.execute("""
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select count(*)
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from user_tables
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where table_name = 'TESTGEOMETRY'""")
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count, = cursor.fetchone()
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if count == 0:
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print("Creating table...")
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cursor.execute("""
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create table TestGeometry (
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IntCol number(9) not null,
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Geometry MDSYS.SDO_GEOMETRY not null
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)""")
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# remove all existing rows and then add a new one
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print("Removing any existing rows...")
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cursor.execute("delete from TestGeometry")
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print("Adding row to table...")
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cursor.execute("insert into TestGeometry values (1, :obj)", obj=obj)
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connection.commit()
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print("Success!")
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