kaknikhil commented on pull request #564:
URL: https://github.com/apache/madlib/pull/564#issuecomment-829713147
Calling non minibatched data with adam or rmsprop does not fail gracefully.
We should throw a helpful error message
```
SELECT madlib.mlp_classification( 'iris_data', 'mlp_model',
'attributes','class_text',ARRAY[5], 'learning_rate_init=1.5,
learning_rate_policy=constant, n_iterations=50, tolerance=0, rho=0.9,
solver=rmsprop','tanh', NULL, FALSE, TRUE);
ERROR: spiexceptions.UndefinedColumn: column "attributes" does not exist
LINE 8: (attributes)::DOUBLE PRECISION[]...
^
SELECT
array_to_string(ARRAY[Null], ',') AS
__madlib_temp_col_grp_key91737014_1619741694_53757093__,
NULL,
1 AS
__madlib_temp_col_grp_iteration76439383_1619741694_35069372__,
(
madlib.mlp_alr_step(
(attributes)::DOUBLE PRECISION[],
(ARRAY[(__madlib_temp_dep_var_norm96411952_1619741693_22150079__) =
'Iris-setosa', (__madlib_temp_dep_var_norm96411952_1619741693_22150079__) =
'Iris-versicolor', (__madlib_temp_dep_var_norm96411952_1619741693_22150079__) =
'Iris-virginica']::INTEGER[])::DOUBLE PRECISION[],
__madlib_temp_rel_state18952145_1619741694_43645987__.__madlib_temp_col_grp_state22584915_1619741694_5254854__,
ARRAY[ 4,40,3 ]::DOUBLE PRECISION[],
(1.5)::FLOAT8,
2,
1,
(1)::DOUBLE PRECISION,
(NULL::DOUBLE PRECISION[])::DOUBLE PRECISION[],
0,
1::integer,
1::integer,
1::integer,
0.9::FLOAT8,
0.9::FLOAT8,
0.999::FLOAT8,
1e-07::FLOAT8
)
) AS
__madlib_temp_col_grp_state22584915_1619741694_5254854__
FROM (
SELECT *,
array_to_string(ARRAY[Null], ',') AS
__madlib_temp_col_grp_key91737014_1619741694_53757093__
FROM
__madlib_temp_tbl_data_scaled39150522_1619741693_1119413__
) AS _src
JOIN ( SELECT grp_key AS
__madlib_temp_col_grp_key91737014_1619741694_53757093__,state AS
__madlib_temp_col_grp_state22584915_1619741694_5254854__ FROM
madlib._gen_state($1, NULL, $2) ) AS
__madlib_temp_rel_state18952145_1619741694_43645987__
ON TRUE
JOIN ( SELECT unnest($3) AS
__madlib_temp_col_grp_key91737014_1619741694_53757093__, unnest($4) AS
__madlib_temp_col_n_tuples6669658_1619741694_1063457__ ) AS _rel_n_tuples
ON TRUE
CONTEXT: Traceback (most recent call last):
PL/Python function "mlp_classification", line 33, in <module>
grouping_col)
PL/Python function "mlp_classification", line 42, in wrapper
PL/Python function "mlp_classification", line 381, in mlp
PL/Python function "mlp_classification", line 576, in update
PL/Python function "mlp_classification"
```
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