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aiida-grouppathx's Issues

allow renaming a path

Renaming a parent group should also rename all children groups, e.g. subsituting the relavent part of the path.

errors when iterating a path

When iterating a path, but also activelty altering the database, an error is thrown at the end


07/08/2022 04:34:32 PM <6004> sqlalchemy.pool.impl.QueuePool: [ERROR] Error closing cursor
Traceback (most recent call last):
  File "/home/bonan/miniconda3/envs/aiida-2.0/lib/python3.9/site-packages/sqlalchemy/engine/cursor.py", line 1100, in fetchmany
    new = dbapi_cursor.fetchmany(size - lb)
psycopg2.ProgrammingError: named cursor isn't valid anymore

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/bonan/miniconda3/envs/aiida-2.0/lib/python3.9/site-packages/sqlalchemy/engine/base.py", line 1914, in _safe_close_cursor
    cursor.close()
psycopg2.ProgrammingError: named cursor isn't valid anymore

Example code template:

for path in base_path:
    .... do ... somthing
    submit(builder)

One way to get around this issue is to collect the iteration results first.

for path in list(base_path):
    .... do ... somthing
    submit(builder)

This did not raise any issue in AiiDA v1. Perhpas the collection of iteration results should be the default behaviour?

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