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on_startup() — fastapi Function Reference

Architecture documentation for the on_startup() function in tutorial002_py310.py from the fastapi codebase.

Function python FastAPI Responses calls 1

Entity Profile

Dependency Diagram

graph TD
  19cdc23b_8651_476c_ea28_9e83624303a4["on_startup()"]
  7bc09ac4_0d8b_e939_5642_9fd3f47511cc["tutorial002_py310.py"]
  19cdc23b_8651_476c_ea28_9e83624303a4 -->|defined in| 7bc09ac4_0d8b_e939_5642_9fd3f47511cc
  74554be7_d55c_6edc_d598_832898c848c9["create_db_and_tables()"]
  19cdc23b_8651_476c_ea28_9e83624303a4 -->|calls| 74554be7_d55c_6edc_d598_832898c848c9
  style 19cdc23b_8651_476c_ea28_9e83624303a4 fill:#6366f1,stroke:#818cf8,color:#fff

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Source Code

docs_src/sql_databases/tutorial002_py310.py lines 49–50

def on_startup():
    create_db_and_tables()

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Defined In

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Frequently Asked Questions

What does on_startup() do?
on_startup() is a function in the fastapi codebase, defined in docs_src/sql_databases/tutorial002_py310.py.
Where is on_startup() defined?
on_startup() is defined in docs_src/sql_databases/tutorial002_py310.py at line 49.
What does on_startup() call?
on_startup() calls 1 function(s): create_db_and_tables.

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