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add 06-distributed-computing_jobs_by_key.rst (#259) #346

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add 06-distributed-computing_jobs_by_key.rst (#259) #346

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04db413
add 06-distributed-computing_jobs_by_key.rst (#259)
ixcat Jan 23, 2021
31d8a41
add dj.key_hash() for job key mgmt, adjust code/tests/examples
ixcat Feb 18, 2021
1c88600
tests/test_schemas/+Lab/SessionAnalysis.m: back out debug code commit
ixcat Feb 18, 2021
2463271
add table name to 06-distributed-computing_jobs_by_key.rst example
ixcat Feb 19, 2021
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36 changes: 36 additions & 0 deletions docs-parts/computation/06-distributed-computing_jobs_by_key.rst
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This can be done by using `dj.internal.hash` to convert the key as follows:
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This can be done by using `dj.internal.hash` to convert the key as follows:
This can be done by using `dj.key_hash` to convert the key as follows:


.. code-block:: matlab

> kh = dj.internal.hash(key);
> Lab.Jobs() & struct('key_hash', kh(1:32))


ans =


Object Lab.Jobs

:: the job reservation table for +Lab ::

TABLE_NAME KEY_HASH status error_message user host pid connection_id timestamp key error_stack
_______________________ ____________________________________ ____________ _____________ ________ _________ __________ _____________ _______________________ __________ ___________

{'Lab.SessionAnalysis'} {'jA9sN_5PvusWwmznLGcAZbTn5pGtba-z'} {'error'} {0×0 char} {'datajoint@localhost'} {'localhost'} 6.5356e+05 1919 {'2021-01-22 23:50:07'} {'=BLOB='} {'=BLOB='}

1 tuples (0.127 s)

> del(Lab.Jobs() & struct('key_hash', kh(1:32)));

> Lab.Jobs() & struct('key_hash', kh(1:32))

ans =


Object Lab.Jobs

:: the job reservation table for +Lab ::

0 tuples (0.0309 s)