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# ------------------------------------------------------------------------------
# Copyright (c) 2017, 2022, Oracle and/or its affiliates.
#
# This software is dual-licensed to you under the Universal Permissive License
# (UPL) 1.0 as shown at https://oss.oracle.com/licenses/upl and Apache License
# 2.0 as shown at http://www.apache.org/licenses/LICENSE-2.0. You may choose
# either license.
#
# If you elect to accept the software under the Apache License, Version 2.0,
# the following applies:
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# https://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# ------------------------------------------------------------------------------
# ------------------------------------------------------------------------------
# bind_sdo.py (Section 12.1)
# ------------------------------------------------------------------------------
import oracledb
import db_config_thick as db_config
con = oracledb.connect(user=db_config.user,
password=db_config.pw, dsn=db_config.dsn)
cur = con.cursor()
# Create table
cur.execute("""begin
execute immediate 'drop table testgeometry';
exception when others then
if sqlcode <> -942 then
raise;
end if;
end;""")
cur.execute("""create table testgeometry (
id number(9) not null,
geometry MDSYS.SDO_GEOMETRY not null)""")
# Create and populate Oracle objects
type_obj = con.gettype("MDSYS.SDO_GEOMETRY")
element_info_type_obj = con.gettype("MDSYS.SDO_ELEM_INFO_ARRAY")
ordinate_type_obj = con.gettype("MDSYS.SDO_ORDINATE_ARRAY")
obj = type_obj.newobject()
obj.SDO_GTYPE = 2003
obj.SDO_ELEM_INFO = element_info_type_obj.newobject()
obj.SDO_ELEM_INFO.extend([1, 1003, 3])
obj.SDO_ORDINATES = ordinate_type_obj.newobject()
obj.SDO_ORDINATES.extend([1, 1, 5, 7])
point_type_obj = con.gettype("MDSYS.SDO_POINT_TYPE")
obj.SDO_POINT = point_type_obj.newobject()
obj.SDO_POINT.X = 1
obj.SDO_POINT.Y = 2
obj.SDO_POINT.Z = 3
print("Created object", obj)
# Add a new row
print("Adding row to table...")
cur.execute("insert into testgeometry values (1, :objbv)", objbv=obj)
print("Row added!")
# (Change below here)
# Define a function to dump the contents of an Oracle object
def dumpobject(obj, prefix=" "):
if obj.type.iscollection:
print(prefix, "[")
for value in obj.aslist():
if isinstance(value, oracledb.Object):
dumpobject(value, prefix + " ")
else:
print(prefix + " ", repr(value))
print(prefix, "]")
else:
print(prefix, "{")
for attr in obj.type.attributes:
value = getattr(obj, attr.name)
if isinstance(value, oracledb.Object):
print(prefix + " " + attr.name + " :")
dumpobject(value, prefix + " ")
else:
print(prefix + " " + attr.name + " :", repr(value))
print(prefix, "}")
# Query the row
print("Querying row just inserted...")
cur.execute("select id, geometry from testgeometry")
for (id, obj) in cur:
print("Id: ", id)
dumpobject(obj)
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