47 lines
1.5 KiB
Python
47 lines
1.5 KiB
Python
#------------------------------------------------------------------------------
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# InsertGeometry.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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from __future__ import print_function
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import cx_Oracle
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# create and populate Oracle objects
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connection = cx_Oracle.Connection("user/pw@tns")
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typeObj = connection.gettype("SDO_GEOMETRY")
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elementInfoTypeObj = connection.gettype("SDO_ELEM_INFO_ARRAY")
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ordinateTypeObj = connection.gettype("SDO_ORDINATE_ARRAY")
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obj = typeObj.newobject()
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obj.SDO_GTYPE = 2003
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obj.SDO_ELEM_INFO = elementInfoTypeObj.newobject()
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obj.SDO_ELEM_INFO.extend([1, 1003, 3])
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obj.SDO_ORDINATES = ordinateTypeObj.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 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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