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Graph/504362c2-8767-4989-9daa-83a9d3155a71

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504362c2-8767-4989-9daa-83a9d3155a71

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Updated5/1/2026

PageRank0.0000

Effectiveness0.000

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7 linked nodes

PERTAIN_TOProblem

Creating a generated column by using a PL/pgSQL function returned an error indicating the function returned more than one row. The function was defined to return a single int but the query inside effectively produced results for multiple rows in amp_pumpstations.

PERTAIN_TOProblem

Generated always column cannot use a non-immutable age calculation based on CURRENT_DATE and inservice

PERTAIN_TOSolution

I am trying to create a generated always column that takes the Current Date, subtract the previously mentioned int column to get an Age (int). — I am trying to learn Postgresql (12) "on the job" and seem to be stuck on a rather simple issue. Tension: the logic is faulty in that the `asset_age` is calculated when the row is inserted in the table or its underlying columns updated so as time moves on your asset ages go out of sync. Outcome: You can most easily solve your issue by dropping column `asset_age` from your table and create a view that calculates the value whenever you need it:.

PERTAIN_TOProblem

trigger programs, check constraints, view definitions, etc. — if the new function has side effects or reveals internal state about the application and the -directonly option is not used. Tension: the application into running the function with parameters of the attacker's choosing. Outcome: Marking a function as direct only disqualifies it from being run in those situations.

PERTAIN_TOSolution

Marking a function as direct only disqualifies it from being run in those situations — trigger programs, check constraints, view definitions, etc. Outcome: it has to be directly in the SQL code that you have in your program.

PERTAIN_TOProblem

I don't want to allow the frontend to select my `internal_usage_column`. — In frontend, you can query like `supabase.from('table_a').select('*');`. Tension: It would select all the rows. Or you could do selecting some of the columns. Outcome: you can create a view in the supabase dashboard by selecting only the columns that you want to be exposed.

PERTAIN_TOSolution

create a view in the supabase dashboard by selecting only the columns that you want to be exposed — querying from the table `users` directly. Tension: want only `id`, `name` and `email` to be exposed. Outcome: Now instead of querying from the table `users` directly, we will query from the view `users_view` that we just created.

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