njayaram2 commented on a change in pull request #395: DL:
madlib_keras_evaluate() function
URL: https://github.com/apache/madlib/pull/395#discussion_r286619820
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File path: src/ports/postgres/modules/deep_learning/madlib_keras.py_in
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@@ -476,15 +470,14 @@ def fit_transition(state, dependent_var,
independent_var, model_architecture,
total_images = images_per_seg[0]
else:
total_images = images_per_seg[seg_ids.index(current_seg_id)]
+
if total_images == 0:
- plpy.error('Got 0 rows. Expected at least 1.')
+ plpy.error('Total images is 0 in fit_transition on segment
{0}'.format(current_seg_id))
Review comment:
This error message on Postgres would show up with `segment 0`. Does Postgres
officially have segment in its terminology? If not, we should rephrase this.
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