[jira] [Closed] (MADLIB-1371) DL: Exception during madlib_keras_fit when model_arch_id is passed as NULL

["Nikhil (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/MADLIB-1371?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Nikhil closed MADLIB-1371.
--------------------------
    Resolution: Fixed

> DL: Exception during madlib_keras_fit when model_arch_id is passed as NULL
> --------------------------------------------------------------------------
>
>                 Key: MADLIB-1371
>                 URL: https://issues.apache.org/jira/browse/MADLIB-1371
>             Project: Apache MADlib
>          Issue Type: Bug
>          Components: Deep Learning
>            Reporter: Nikhil
>            Priority: Major
>             Fix For: v1.17
>
>
> While calling madlib_keras_fit, if we pass in the model arch id as NULL, we get the following exception
> {code}
> SELECT madlib_keras_fit(
>  'cifar_10_sample_batched',
>  'keras_saved_out',
>  'model_arch',
>  NULL, --null model arch
>  $$ optimizer=SGD(lr=0.01, decay=1e-6, nesterov=True), loss='categorical_crossentropy', metrics=['mae']$$::text,
>  $$ batch_size=2, epochs=1, verbose=0 $$::text,
>  3,
>  NULL);
> LINE 1: ...el_arch, model_weights FROM model_arch WHERE model_id = None
>                                                                    ^
> QUERY:  SELECT model_arch, model_weights FROM model_arch WHERE model_id = None
> CONTEXT:  Traceback (most recent call last):
>   PL/Python function "madlib_keras_fit", line 21, in <module>
>     madlib_keras.fit(**globals())
>   PL/Python function "madlib_keras_fit", line 42, in wrapper
>   PL/Python function "madlib_keras_fit", line 95, in fit
> PL/Python function "madlib_keras_fit"
> {code}
>  
>  We should instead error out gracefully and print a more meaningful error message 
>  
>  



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