sqlite3, memory db and multithreading

[królewna]

The problem is simple: I have multiple threads within one program. At 
least 2 threads have to have access to in-memory sqlite database. It is 
not possible to pass sqlite objects to those threads because an 
exception is rised:

ProgrammingError: SQLite objects created in a thread can only be used in 
that same thread.The object was created in thread id -1219066176 and 
this is thread id -1224475792

Is there any EASY way to use this in-memory db in many threads? Creating 
another connection is not a solution as it creates completely new db 
instead of connecting to the existing one.

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Best regards
princess