njayaram2 commented on a change in pull request #389: DL: Convert the
keras_eval function from UDF to UDA
URL: https://github.com/apache/madlib/pull/389#discussion_r283043117
##########
File path: src/ports/postgres/modules/deep_learning/madlib_keras.py_in
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@@ -113,10 +113,14 @@ def fit(schema_madlib, source_table,
model,model_arch_table,
# Compute total images on each segment
gp_segment_id_col,\
seg_ids_train,\
- total_images_per_seg = get_images_per_seg(source_table, dependent_varname)
+ images_per_seg_train = get_images_per_seg(source_table, dependent_varname)
+
+ if not all(images_per_seg_train):
+ plpy.error("No images in training dataset! Aborting")
Review comment:
`input_tbl_valid` function that is called in `FitInputValidator` already
checks for empty tables, so this is not necessary here.
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