PostgreSQL 9.4.1 Documentation | |||
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43.4. Sharing Data
The global dictionarySD is available to store data between function calls. This variable is private static data. The global dictionaryGD is public data, available to all Python functions within a session. Use with care.
Each function gets its own execution environment in the Python interpreter, so that global data and function arguments frommyfunc
are not available tomyfunc2
. The exception is the data in theGD dictionary, as mentioned above.