[AINode] Simplify the CREATE MODEL SQL for model training

iotdb-core/antlr/src/main/antlr4/org/apache/iotdb/db/qp/sql/IoTDBSqlParser.g4

@@ -699,7 +699,7 @@ dropSubscription
 // ---- Create Model
 createModel
     : CREATE MODEL modelName=identifier uriClause
-    | CREATE MODEL modelType=identifier modelId=identifier (WITH HYPERPARAMETERS LR_BRACKET hparamPair (COMMA hparamPair)* RR_BRACKET)? (FROM MODEL existingModelId=identifier)? ON DATASET LR_BRACKET trainingData RR_BRACKET
+    | CREATE MODEL modelId=identifier (WITH HYPERPARAMETERS LR_BRACKET hparamPair (COMMA hparamPair)* RR_BRACKET)? FROM MODEL existingModelId=identifier ON DATASET LR_BRACKET trainingData RR_BRACKET
     ;
 
 trainingData

iotdb-core/confignode/src/main/java/org/apache/iotdb/confignode/manager/ConfigManager.java

@@ -2660,7 +2660,6 @@ public TSStatus createTraining(TCreateTrainingReq req) {
 
     TTrainingReq trainingReq = new TTrainingReq();
     trainingReq.setModelId(req.getModelId());
-    trainingReq.setModelType(req.getModelType());
     if (req.isSetExistingModelId()) {
       trainingReq.setExistingModelId(req.getExistingModelId());
     }

iotdb-core/datanode/src/main/java/org/apache/iotdb/db/queryengine/plan/execution/config/TableConfigTaskVisitor.java

@@ -1359,11 +1359,7 @@ protected IConfigTask visitCreateTraining(CreateTraining node, MPPQueryContext c
     context.setQueryType(QueryType.WRITE);
 
     return new CreateTrainingTask(
-        node.getModelId(),
-        node.getModelType(),
-        node.getParameters(),
-        node.getExistingModelId(),
-        node.getTargetSql());
+        node.getModelId(), node.getParameters(), node.getExistingModelId(), node.getTargetSql());
   }
 
   @Override

iotdb-core/datanode/src/main/java/org/apache/iotdb/db/queryengine/plan/execution/config/TreeConfigTaskVisitor.java

@@ -808,7 +808,6 @@ public IConfigTask visitCreateTraining(
     }
     return new CreateTrainingTask(
         createTrainingStatement.getModelId(),
-        createTrainingStatement.getModelType(),
         createTrainingStatement.getParameters(),
         createTrainingStatement.getTargetTimeRanges(),
         createTrainingStatement.getExistingModelId(),

iotdb-core/datanode/src/main/java/org/apache/iotdb/db/queryengine/plan/execution/config/executor/ClusterConfigTaskExecutor.java

@@ -3331,7 +3331,6 @@ public SettableFuture<ConfigTaskResult> showModels(final String modelName) {
   @Override
   public SettableFuture<ConfigTaskResult> createTraining(
       String modelId,
-      String modelType,
       boolean isTableModel,
       Map<String, String> parameters,
       List<List<Long>> timeRanges,
@@ -3341,7 +3340,7 @@ public SettableFuture<ConfigTaskResult> createTraining(
     final SettableFuture<ConfigTaskResult> future = SettableFuture.create();
     try (final ConfigNodeClient client =
         CONFIG_NODE_CLIENT_MANAGER.borrowClient(ConfigNodeInfo.CONFIG_REGION_ID)) {
-      final TCreateTrainingReq req = new TCreateTrainingReq(modelId, modelType, isTableModel);
+      final TCreateTrainingReq req = new TCreateTrainingReq(modelId, isTableModel, existingModelId);
 
       if (isTableModel) {
         TDataSchemaForTable dataSchemaForTable = new TDataSchemaForTable();
@@ -3354,7 +3353,6 @@ public SettableFuture<ConfigTaskResult> createTraining(
       }
       req.setParameters(parameters);
       req.setTimeRanges(timeRanges);
-      req.setExistingModelId(existingModelId);
       final TSStatus executionStatus = client.createTraining(req);
       if (TSStatusCode.SUCCESS_STATUS.getStatusCode() != executionStatus.getCode()) {
         future.setException(new IoTDBException(executionStatus.message, executionStatus.code));

iotdb-core/datanode/src/main/java/org/apache/iotdb/db/queryengine/plan/execution/config/executor/IConfigTaskExecutor.java

@@ -424,7 +424,6 @@ SettableFuture<ConfigTaskResult> createModel(
 
   SettableFuture<ConfigTaskResult> createTraining(
       String modelId,
-      String modelType,
       boolean isTableModel,
       Map<String, String> parameters,
       List<List<Long>> timeRanges,

iotdb-core/datanode/src/main/java/org/apache/iotdb/db/queryengine/plan/execution/config/metadata/ai/CreateTrainingTask.java

@@ -31,7 +31,6 @@
 public class CreateTrainingTask implements IConfigTask {
 
   private final String modelId;
-  private final String modelType;
   private final boolean isTableModel;
   private final Map<String, String> parameters;
 
@@ -45,13 +44,8 @@ public class CreateTrainingTask implements IConfigTask {
 
   // For table model
   public CreateTrainingTask(
-      String modelId,
-      String modelType,
-      Map<String, String> parameters,
-      String existingModelId,
-      String targetSql) {
+      String modelId, Map<String, String> parameters, String existingModelId, String targetSql) {
     this.modelId = modelId;
-    this.modelType = modelType;
     this.parameters = parameters;
     this.existingModelId = existingModelId;
     this.targetSql = targetSql;
@@ -61,13 +55,11 @@ public CreateTrainingTask(
   // For tree model
   public CreateTrainingTask(
       String modelId,
-      String modelType,
       Map<String, String> parameters,
       List<List<Long>> timeRanges,
       String existingModelId,
       List<String> targetPaths) {
     this.modelId = modelId;
-    this.modelType = modelType;
     this.parameters = parameters;
     this.timeRanges = timeRanges;
     this.existingModelId = existingModelId;
@@ -80,13 +72,6 @@ public CreateTrainingTask(
   public ListenableFuture<ConfigTaskResult> execute(IConfigTaskExecutor configTaskExecutor)
       throws InterruptedException {
     return configTaskExecutor.createTraining(
-        modelId,
-        modelType,
-        isTableModel,
-        parameters,
-        timeRanges,
-        existingModelId,
-        targetSql,
-        targetPaths);
+        modelId, isTableModel, parameters, timeRanges, existingModelId, targetSql, targetPaths);
   }
 }

iotdb-core/datanode/src/main/java/org/apache/iotdb/db/queryengine/plan/parser/ASTVisitor.java

@@ -1368,9 +1368,7 @@ public static void validateModelName(String modelName) {
   public Statement visitCreateModel(IoTDBSqlParser.CreateModelContext ctx) {
     if (ctx.modelName == null) {
       String modelId = ctx.modelId.getText();
-      String modelType = ctx.modelType.getText();
-      CreateTrainingStatement createTrainingStatement =
-          new CreateTrainingStatement(modelId, modelType);
+      CreateTrainingStatement createTrainingStatement = new CreateTrainingStatement(modelId);
       if (ctx.hparamPair() != null) {
         Map<String, String> parameterList = new HashMap<>();
         for (IoTDBSqlParser.HparamPairContext hparamPairContext : ctx.hparamPair()) {

iotdb-core/datanode/src/main/java/org/apache/iotdb/db/queryengine/plan/relational/sql/ast/CreateTraining.java

@@ -26,16 +26,14 @@
 public class CreateTraining extends Statement {
 
   private final String modelId;
-  private final String modelType;
   private final String targetSql;
 
   private Map<String, String> parameters;
   private String existingModelId = null;
 
-  public CreateTraining(String modelId, String modelType, String targetSql) {
+  public CreateTraining(String modelId, String targetSql) {
     super(null);
     this.modelId = modelId;
-    this.modelType = modelType;
     this.targetSql = targetSql;
   }
 
@@ -56,10 +54,6 @@ public String getModelId() {
     return modelId;
   }
 
-  public String getModelType() {
-    return modelType;
-  }
-
   public Map<String, String> getParameters() {
     return parameters;
   }
@@ -79,7 +73,7 @@ public List<? extends Node> getChildren() {
 
   @Override
   public int hashCode() {
-    return Objects.hash(modelId, modelType, targetSql, existingModelId, parameters);
+    return Objects.hash(modelId, targetSql, existingModelId, parameters);
   }
 
   @Override
@@ -89,7 +83,6 @@ public boolean equals(Object obj) {
     }
     CreateTraining createTraining = (CreateTraining) obj;
     return modelId.equals(createTraining.modelId)
-        && modelType.equals(createTraining.modelType)
         && Objects.equals(existingModelId, createTraining.existingModelId)
         && Objects.equals(parameters, createTraining.parameters)
         && Objects.equals(targetSql, createTraining.targetSql);
@@ -101,9 +94,6 @@ public String toString() {
         + "modelId='"
         + modelId
         + '\''
-        + ", modelType='"
-        + modelType
-        + '\''
         + ", parameters="
         + parameters
         + ", existingModelId='"

iotdb-core/datanode/src/main/java/org/apache/iotdb/db/queryengine/plan/relational/sql/parser/AstBuilder.java

@@ -3558,13 +3558,12 @@ public static void validateModelName(String modelName) {
   public Node visitCreateModelStatement(RelationalSqlParser.CreateModelStatementContext ctx) {
     String modelId = ctx.modelId.getText();
     validateModelName(modelId);
-    String modelType = ctx.modelType.getText();
 
     if (ctx.targetData == null) {
       throw new SemanticException("Target data in sql should be set in CREATE MODEL");
     }
     String targetData = ((StringLiteral) visit(ctx.targetData)).getValue();
-    CreateTraining createTraining = new CreateTraining(modelId, modelType, targetData);
+    CreateTraining createTraining = new CreateTraining(modelId, targetData);
     if (ctx.HYPERPARAMETERS() != null) {
       Map<String, String> parameters = new HashMap<>();
       for (RelationalSqlParser.HparamPairContext hparamPairContext : ctx.hparamPair()) {

iotdb-core/datanode/src/main/java/org/apache/iotdb/db/queryengine/plan/statement/metadata/model/CreateTrainingStatement.java

@@ -32,17 +32,15 @@
 public class CreateTrainingStatement extends Statement implements IConfigStatement {
 
   private final String modelId;
-  private final String modelType;
 
   private Map<String, String> parameters;
   private String existingModelId = null;
 
   private List<PartialPath> targetPathPatterns;
   private List<List<Long>> targetTimeRanges;
 
-  public CreateTrainingStatement(String modelId, String modelType) {
+  public CreateTrainingStatement(String modelId) {
     this.modelId = modelId;
-    this.modelType = modelType;
   }
 
   public void setTargetPathPatterns(List<PartialPath> targetPathPatterns) {
@@ -65,10 +63,6 @@ public String getModelId() {
     return modelId;
   }
 
-  public String getModelType() {
-    return modelType;
-  }
-
   public void setExistingModelId(String existingModelId) {
     this.existingModelId = existingModelId;
   }
@@ -87,7 +81,7 @@ public void setParameters(Map<String, String> parameters) {
 
   @Override
   public int hashCode() {
-    return Objects.hash(super.hashCode(), modelId, modelType, existingModelId, parameters);
+    return Objects.hash(super.hashCode(), modelId, existingModelId, parameters);
   }
 
   @Override
@@ -97,7 +91,6 @@ public boolean equals(Object obj) {
     }
     CreateTrainingStatement target = (CreateTrainingStatement) obj;
     return modelId.equals(target.modelId)
-        && modelType.equals(target.modelType)
         && Objects.equals(existingModelId, target.existingModelId)
         && Objects.equals(parameters, target.parameters);
   }
@@ -108,9 +101,6 @@ public String toString() {
         + "modelId='"
         + modelId
         + '\''
-        + ", modelType='"
-        + modelType
-        + '\''
         + ", parameters="
         + parameters
         + ", existingModelId='"

iotdb-core/relational-grammar/src/main/antlr4/org/apache/iotdb/db/relational/grammar/sql/RelationalSql.g4

@@ -782,7 +782,7 @@ revokeGrantOpt
 // ------------------------------------------- AI ---------------------------------------------------------
 
 createModelStatement
-    : CREATE MODEL modelType=identifier modelId=identifier (WITH HYPERPARAMETERS '(' hparamPair (',' hparamPair)* ')')? (FROM MODEL existingModelId=identifier)? ON DATASET '(' targetData=string ')'
+    : CREATE MODEL modelId=identifier (WITH HYPERPARAMETERS '(' hparamPair (',' hparamPair)* ')')? FROM MODEL existingModelId=identifier ON DATASET '(' targetData=string ')'
     ;
 
 hparamPair

iotdb-protocol/thrift-ainode/src/main/thrift/ainode.thrift

@@ -80,10 +80,9 @@ struct IDataSchema {
 struct TTrainingReq {
   1: required string dbType
   2: required string modelId
-  3: required string modelType
+  3: required string existingModelId
   4: optional list<IDataSchema> targetDataSchema;
   5: optional map<string, string> parameters;
-  6: optional string existingModelId
 }
 
 struct TForecastReq {

iotdb-protocol/thrift-confignode/src/main/thrift/confignode.thrift

@@ -1098,13 +1098,12 @@ struct TDataSchemaForTree{
 
 struct TCreateTrainingReq {
     1: required string modelId
-    2: required string modelType
-    3: required bool isTableModel
+    2: required bool isTableModel
+    3: required string existingModelId
     4: optional TDataSchemaForTable dataSchemaForTable
     5: optional TDataSchemaForTree dataSchemaForTree
     6: optional map<string, string> parameters
-    7: optional string existingModelId
-    8: optional list<list<i64>> timeRanges
+    7: optional list<list<i64>> timeRanges
 }
 
 // ====================================================