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46 lines
1.0 KiB
Python
46 lines
1.0 KiB
Python
#!/usr/bin/python
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# depends:
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# ^ psycopg2 (debian: python-psycopg2)
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import psycopg2
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host = '127.0.0.1'
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port = 5432
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database = 'cgrates'
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user = 'cgrates'
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password = 'CGRateS.org'
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print('Connecting to PostgreSQL...')
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cnx = psycopg2.connect(
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host=host,
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port=port,
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dbname=database,
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user=user,
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password=password
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)
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cursor = cnx.cursor()
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print('Renaming old column...')
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cursor.execute('ALTER TABLE cdrs RENAME COLUMN usage to usage_old')
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print('Adding new column...')
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cursor.execute('ALTER TABLE cdrs ADD usage NUMERIC(30)')
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print('Setting new values...')
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cursor.execute(
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(
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'UPDATE cdrs SET usage = usage_old * 1000000000'
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' WHERE usage_old IS NOT NULL'
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)
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)
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print('Deleting old column...')
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cursor.execute('ALTER TABLE cdrs DROP COLUMN usage_old')
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print('Commiting...')
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cnx.commit()
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print('Closing PostgreSQL connection...')
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cnx.close()
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