80 lines
2.4 KiB
Python
80 lines
2.4 KiB
Python
#------------------------------------------------------------------------------
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# Copyright (c) 2019, 2021, Oracle and/or its affiliates. All rights reserved.
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#------------------------------------------------------------------------------
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#------------------------------------------------------------------------------
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# soda_bulk_insert.py
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# Demonstrates the use of SODA bulk insert.
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#
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# This script requires cx_Oracle 7.2 and higher.
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# Oracle Client must be at 18.5 or higher.
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# Oracle Database must be at 18.1 or higher.
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# The user must have been granted the SODA_APP privilege.
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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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# the general recommendation for simple SODA usage is to enable autocommit
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connection.autocommit = True
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# create the parent object for all SODA work
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soda = connection.getSodaDatabase()
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# drop the collection if it already exists in order to ensure that the sample
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# runs smoothly each time
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collection = soda.openCollection("SodaBulkInsert")
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if collection is not None:
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collection.drop()
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# Explicit metadata is used for maximum version portability.
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# Refer to the documentation.
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metadata = {
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"keyColumn": {
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"name": "ID"
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},
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"contentColumn": {
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"name": "JSON_DOCUMENT",
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"sqlType": "BLOB"
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},
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"versionColumn": {
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"name": "VERSION",
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"method": "UUID"
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},
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"lastModifiedColumn": {
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"name": "LAST_MODIFIED"
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},
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"creationTimeColumn": {
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"name": "CREATED_ON"
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}
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}
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# create a new (or open an existing) SODA collection
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collection = soda.createCollection("SodaBulkInsert", metadata)
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# remove all documents from the collection
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collection.find().remove()
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# define some documents that will be stored
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in_docs = [
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dict(name="Sam", age=8),
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dict(name="George", age=46),
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dict(name="Bill", age=35),
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dict(name="Sally", age=43),
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dict(name="Jill", age=28),
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dict(name="Cynthia", age=12)
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]
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# perform bulk insert
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result_docs = collection.insertManyAndGet(in_docs)
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for doc in result_docs:
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print("Inserted SODA document with key", doc.key)
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print()
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# perform search of all persons under the age of 40
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print("Persons under the age of 40:")
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for doc in collection.find().filter({'age': {'$lt': 40}}).getDocuments():
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print(doc.getContent()["name"] + ",", "key", doc.key)
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