Add TargetType to Type_convert

src/Microsoft.ML.AutoML/CodeGen/search-space-schema.json

@@ -217,7 +217,8 @@
         "TrainingAnswerColumnName",
         "AnswerIndexStartColumnName",
         "predictedAnswerColumnName",
-        "TopKAnswers"
+        "TopKAnswers",
+        "TargetType"
       ]
     },
     "option_type": {
@@ -235,7 +236,8 @@
         "anchor",
         "dnnModelFactory",
         "bertArchitecture",
-        "imageClassificationArchType"
+        "imageClassificationArchType",
+        "DataKind"
       ]
     }
   },

src/Microsoft.ML.AutoML/CodeGen/type_converter_search_space.json

@@ -9,6 +9,10 @@
     {
       "name": "InputColumnNames",
       "type": "strings"
+    },
+    {
+      "name": "TargetType",
+      "type": "DataKind"
     }
   ]
 }

src/Microsoft.ML.AutoML/SweepableEstimator/Estimators/TypeConvert.cs

@@ -9,7 +9,7 @@ internal partial class ConvertType
         public override IEstimator<ITransformer> BuildFromOption(MLContext context, ConvertTypeOption param)
         {
             var inputOutputPairs = AutoMlUtils.CreateInputOutputColumnPairsFromStrings(param.InputColumnNames, param.OutputColumnNames);
-            return context.Transforms.Conversion.ConvertType(inputOutputPairs);
+            return context.Transforms.Conversion.ConvertType(inputOutputPairs, param.TargetType);
         }
     }
 }