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#------------------------------------------------------------------------------
# Copyright (c) 2016, 2019, Oracle and/or its affiliates. All rights reserved.
#
# Portions Copyright 2007-2015, Anthony Tuininga. All rights reserved.
#
# Portions Copyright 2001-2007, Computronix (Canada) Ltd., Edmonton, Alberta,
# Canada. All rights reserved.
#------------------------------------------------------------------------------
#------------------------------------------------------------------------------
# InsertGeometry.py
# This script demonstrates the ability to create Oracle objects (this example
# uses SDO_GEOMETRY) and insert them into a table.
#
# This script requires cx_Oracle 5.3 and higher.
#------------------------------------------------------------------------------
from __future__ import print_function
import cx_Oracle
import SampleEnv
# create and populate Oracle objects
connection = cx_Oracle.connect(SampleEnv.GetMainConnectString())
typeObj = connection.gettype("MDSYS.SDO_GEOMETRY")
elementInfoTypeObj = connection.gettype("MDSYS.SDO_ELEM_INFO_ARRAY")
ordinateTypeObj = connection.gettype("MDSYS.SDO_ORDINATE_ARRAY")
obj = typeObj.newobject()
obj.SDO_GTYPE = 2003
obj.SDO_ELEM_INFO = elementInfoTypeObj.newobject()
obj.SDO_ELEM_INFO.extend([1, 1003, 3])
obj.SDO_ORDINATES = ordinateTypeObj.newobject()
obj.SDO_ORDINATES.extend([1, 1, 5, 7])
print("Created object", obj)
# create table, if necessary
cursor = connection.cursor()
cursor.execute("""
select count(*)
from user_tables
where table_name = 'TESTGEOMETRY'""")
count, = cursor.fetchone()
if count == 0:
print("Creating table...")
cursor.execute("""
create table TestGeometry (
IntCol number(9) not null,
Geometry MDSYS.SDO_GEOMETRY not null
)""")
# remove all existing rows and then add a new one
print("Removing any existing rows...")
cursor.execute("delete from TestGeometry")
print("Adding row to table...")
cursor.execute("insert into TestGeometry values (1, :obj)", obj = obj)
connection.commit()
print("Success!")
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