From 7f11562e2f44c6fc334bbe9e7bd2a6ec6d10f22f Mon Sep 17 00:00:00 2001
From: andrew <elkin.andr@gmail.com>
Date: Fri, 16 Feb 2024 20:52:57 +0300
Subject: [PATCH] Mapping 'using' variables to model #351

---
 mindsdb_sql/planner/plan_join.py          | 17 ++++++++++++++++-
 tests/test_planner/test_join_predictor.py |  9 +++++++--
 2 files changed, 23 insertions(+), 3 deletions(-)

diff --git a/mindsdb_sql/planner/plan_join.py b/mindsdb_sql/planner/plan_join.py
index acd1003c..da20aa54 100644
--- a/mindsdb_sql/planner/plan_join.py
+++ b/mindsdb_sql/planner/plan_join.py
@@ -104,6 +104,7 @@ def plan(self, query):
         ):
             query2 = copy.deepcopy(query)
             query2.from_table = None
+            query2.using = None
             sup_select = QueryStep(query2, from_table=join_step.result)
             self.planner.plan.add_step(sup_select)
             return sup_select
@@ -429,11 +430,25 @@ def process_predictor(self, item, query_in):
                     # exclude condition
                     el._orig_node.args = [Constant(0), Constant(0)]
 
+        # params for model
+        model_params = None
+
+        if query_in.using is not None:
+            model_params = {}
+            for param, value in query_in.using.items():
+                if '.' in param:
+                    alias = param.split('.')[0]
+                    if (alias,) in item.aliases:
+                        new_param = '.'.join(param.split('.')[1:])
+                        model_params[new_param] = value
+                else:
+                    model_params[param] = value
+
         predictor_step = self.planner.plan.add_step(ApplyPredictorStep(
             namespace=item.integration,
             dataframe=data_step.result,
             predictor=item.table,
-            params=query_in.using,
+            params=model_params,
             row_dict=row_dict,
         ))
         self.step_stack.append(predictor_step)
diff --git a/tests/test_planner/test_join_predictor.py b/tests/test_planner/test_join_predictor.py
index d2d80a4a..517f34ae 100644
--- a/tests/test_planner/test_join_predictor.py
+++ b/tests/test_planner/test_join_predictor.py
@@ -736,6 +736,9 @@ def test_model_join_model(self):
                       join mindsdb.pred m
                       join mindsdb.pred m2
                     where m.a = 2
+                    using m.param1 = 'a', 
+                          m2.param2 = 'b',
+                          param3 = 'c'
                 '''
 
         subquery = parse_sql("""
@@ -750,13 +753,15 @@ def test_model_join_model(self):
                 FetchDataframeStep(integration='int',
                                    query=parse_sql('select * from tab1 as t')),
                 ApplyPredictorStep(namespace='mindsdb', dataframe=Result(0),
-                                   predictor=Identifier('pred', alias=Identifier('m')), row_dict={'a': 2}),
+                                   predictor=Identifier('pred', alias=Identifier('m')),
+                                   row_dict={ 'a': 2 }, params={ 'param1': 'a', 'param3': 'c' }),
                 JoinStep(left=Result(0), right=Result(1),
                          query=Join(left=Identifier('tab1'),
                                     right=Identifier('tab2'),
                                     join_type=JoinType.JOIN)),
                 ApplyPredictorStep(namespace='mindsdb', dataframe=Result(2),
-                                   predictor=Identifier('pred', alias=Identifier('m2'))),
+                                   predictor=Identifier('pred', alias=Identifier('m2')),
+                                   params={ 'param2': 'b', 'param3': 'c' }),
                 JoinStep(left=Result(2), right=Result(3),
                          query=Join(left=Identifier('tab1'),
                                     right=Identifier('tab2'),