feat:support download task

Author: Chat2DB-Pro

chat2db-server/chat2db-plugins/chat2db-clickhouse/src/main/java/ai/chat2db/plugin/clickhouse/builder/ClickHouseSqlBuilder.java

@@ -10,6 +10,8 @@
 import ai.chat2db.spi.model.TableIndex;
 import org.apache.commons.lang3.StringUtils;
 
+import java.util.List;
+
 
 public class ClickHouseSqlBuilder extends DefaultSqlBuilder {
     @Override

chat2db-server/chat2db-plugins/chat2db-h2/src/main/java/ai/chat2db/plugin/h2/H2Meta.java

@@ -3,6 +3,7 @@
 import java.sql.Connection;
 import java.sql.ResultSet;
 import java.sql.ResultSetMetaData;
+import java.sql.SQLException;
 import java.util.*;
 import java.util.stream.Collectors;
 

chat2db-server/chat2db-plugins/chat2db-hive/src/main/java/ai/chat2db/plugin/hive/builder/HiveSqlBuilder.java

@@ -2,13 +2,15 @@
 
 import ai.chat2db.plugin.hive.type.HiveColumnTypeEnum;
 import ai.chat2db.plugin.hive.type.HiveIndexTypeEnum;
+import ai.chat2db.spi.SqlBuilder;
 import ai.chat2db.spi.jdbc.DefaultSqlBuilder;
 import ai.chat2db.spi.model.Database;
 import ai.chat2db.spi.model.Table;
 import ai.chat2db.spi.model.TableColumn;
 import ai.chat2db.spi.model.TableIndex;
 import org.apache.commons.lang3.StringUtils;
 
+import java.util.List;
 
 
 public class HiveSqlBuilder extends DefaultSqlBuilder implements SqlBuilder<Table> {

chat2db-server/chat2db-server-web/chat2db-server-web-api/src/main/java/ai/chat2db/server/web/api/controller/rdb/converter/RdbWebConverter.java

@@ -42,6 +42,8 @@ public abstract class RdbWebConverter {
     public abstract DlExecuteParam request2param(DmlRequest request);
 
 
+
+    public abstract GroupByParam request2param(GroupByRequest request);
     /**
      * Parameter conversion
      *