notebook/scalability/Database calls

Clear message

Guiding principle: put as much in the URL as is reasonable.

Things that happen:

Worksheet:

• evaluate_code(input)

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Edit conflict - other version:

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• introspection
• interacts

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Edit conflict - your version:

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• introspection
• interacts

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End of edit conflict

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• get_output(uid)

• create cells
• delete cells
• join cells
• split cells
• promote/demote cells in a cell heirarchy
• publish
• share
• delete

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Edit conflict - other version:

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Edit conflict - your version:

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• user ping

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End of edit conflict

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Cell:

• change input
• evaluate

• get_output(start=0)

  • -- start - offset telling how much text we've already received

• update metadata: hide, lock, cell priority...

JSON <---> HTTP

HTTP Requests:

Structure of URL:

/home/ username / worksheet_num / cell_id /..

• ../update

JSON Messages:

• 'id' : id

• 'status' : 'success' or 'failure'

Database Calls:

• increase_worksheet_state_number()

• update_cell_input(cell_id, input_text)

• evaluate_cell(cell_id)

• insert_after_cell(cell_id)