sea-orm-cli --verbose for debugging

[fenhl]

I tried running sea-orm-cli generate entity on an existing PostgreSQL database and it panicked at https://github.com/SeaQL/sea-schema/blob/7099a2eaa10efb0eaacb07ff39b34dcb1510057a/src/postgres/parser/table_constraints.rs#L39. Backtrace:

thread 'main' panicked at 'called `Option::unwrap()` on a `None` value', /home/fenhl/.cargo/registry/src/github.com-1ecc6299db9ec823/sea-schema-0.2.7/src/postgres/parser/table_constraints.rs:39:47
stack backtrace:
   0: rust_begin_unwind
             at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panicking.rs:515:5
   1: core::panicking::panic_fmt
             at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/core/src/panicking.rs:92:14
   2: core::panicking::panic
             at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/core/src/panicking.rs:50:5
   3: <sea_schema::postgres::parser::table_constraints::TableConstraintsQueryResultParser as core::iter::traits::iterator::Iterator>::next
   4: <alloc::vec::Vec<T> as alloc::vec::spec_from_iter::SpecFromIter<T,I>>::from_iter
   5: <core::future::from_generator::GenFuture<T> as core::future::future::Future>::poll
   6: <futures_util::future::join_all::JoinAll<F> as core::future::future::Future>::poll
   7: sea_orm_cli::run_generate_command::{{closure}}
   8: <core::future::from_generator::GenFuture<T> as core::future::future::Future>::poll
   9: std::thread::local::LocalKey<T>::with
  10: <core::future::from_generator::GenFuture<T> as core::future::future::Future>::poll
  11: async_io::driver::block_on
  12: std::thread::local::LocalKey<T>::with
  13: async_std::task::builder::Builder::blocking
  14: sea_orm_cli::main
note: Some details are omitted, run with `RUST_BACKTRACE=full` for a verbose backtrace.

[billy1624]

Hi @fenhl, thank you so much for the issue.

We need more information to debug it. Would you mind...

1. Cloning the master of sea-schema

2. Go to sea-schema/tests/writer/postgres directory

3. Update the connection string at here accordingly

   let connection = PgPool::connect("postgres://<username>:<password>@localhost/<database>")
       .await
       .unwrap();
   
   let schema_discovery = SchemaDiscovery::new(connection, "<schema>");

4. Finally, run it with cargo run command, you will see similar output as below and perhaps a panic

   TableConstraintsQueryResult { constraint_schema: "public", constraint_name: "2200_41674_1_not_null", table_schema: "public", table_name: "actor", constraint_type: "CHECK", is_deferrable: "NO", initially_deferred: "NO", check_clause: Some("actor_id IS NOT NULL"), column_name: None, ordinal_position: None, position_in_unique_constraint: None, unique_constraint_schema: None, unique_constraint_name: None, match_option: None, update_rule: None, delete_rule: None, referential_key_table_name: None, referential_key_column_name: None }
   TableConstraintsQueryResult { constraint_schema: "public", constraint_name: "2200_41674_2_not_null", table_schema: "public", table_name: "actor", constraint_type: "CHECK", is_deferrable: "NO", initially_deferred: "NO", check_clause: Some("first_name IS NOT NULL"), column_name: None, ordinal_position: None, position_in_unique_constraint: None, unique_constraint_schema: None, unique_constraint_name: None, match_option: None, update_rule: None, delete_rule: None, referential_key_table_name: None, referential_key_column_name: None }
   TableConstraintsQueryResult { constraint_schema: "public", constraint_name: "2200_41674_3_not_null", table_schema: "public", table_name: "actor", constraint_type: "CHECK", is_deferrable: "NO", initially_deferred: "NO", check_clause: Some("last_name IS NOT NULL"), column_name: None, ordinal_position: None, position_in_unique_constraint: None, unique_constraint_schema: None, unique_constraint_name: None, match_option: None, update_rule: None, delete_rule: None, referential_key_table_name: None, referential_key_column_name: None }
   TableConstraintsQueryResult { constraint_schema: "public", constraint_name: "2200_41674_4_not_null", table_schema: "public", table_name: "actor", constraint_type: "CHECK", is_deferrable: "NO", initially_deferred: "NO", check_clause: Some("last_update IS NOT NULL"), column_name: None, ordinal_position: None, position_in_unique_constraint: None, unique_constraint_schema: None, unique_constraint_name: None, match_option: None, update_rule: None, delete_rule: None, referential_key_table_name: None, referential_key_column_name: None }
   TableConstraintsQueryResult { constraint_schema: "public", constraint_name: "actor_pkey", table_schema: "public", table_name: "actor", constraint_type: "PRIMARY KEY", is_deferrable: "NO", initially_deferred: "NO", check_clause: None, column_name: Some("actor_id"), ordinal_position: Some(1), position_in_unique_constraint: None, unique_constraint_schema: None, unique_constraint_name: None, match_option: None, update_rule: None, delete_rule: None, referential_key_table_name: None, referential_key_column_name: None }
   
   Check(Check { name: "2200_41674_1_not_null", expr: "actor_id IS NOT NULL", no_inherit: false })
   Check(Check { name: "2200_41674_2_not_null", expr: "first_name IS NOT NULL", no_inherit: false })
   Check(Check { name: "2200_41674_3_not_null", expr: "last_name IS NOT NULL", no_inherit: false })
   Check(Check { name: "2200_41674_4_not_null", expr: "last_update IS NOT NULL", no_inherit: false })
   

5. Could you copy the TableConstraintsQueryResult up here so that we can debug it?

Thank you in advance!!

[tyt2y3]

We will include a verbose flag in sea-orm-cli to help debugging.

[tyt2y3]

sea-orm-cli 0.2.2 released

[fenhl]

Should I open a separate issue for my original problem?