(improvement)(chat) Fix the SQL fields generated by the large model that contain (#1715)

common/src/main/java/com/tencent/supersonic/common/jsqlparser/ParseVisitorHelper.java

@@ -1,5 +1,6 @@
 package com.tencent.supersonic.common.jsqlparser;
 
+import com.tencent.supersonic.common.util.StringUtil;
 import lombok.extern.slf4j.Slf4j;
 import net.sf.jsqlparser.schema.Column;
 import org.apache.commons.lang3.StringUtils;
@@ -14,7 +15,7 @@ public class ParseVisitorHelper {
 
     public void replaceColumn(
             Column column, Map<String, String> fieldNameMap, boolean exactReplace) {
-        String columnName = column.getColumnName();
+        String columnName = StringUtil.replaceBackticks(column.getColumnName());
         String replaceColumn = getReplaceValue(columnName, fieldNameMap, exactReplace);
         if (StringUtils.isNotBlank(replaceColumn)) {
             column.setColumnName(replaceColumn);

common/src/main/java/com/tencent/supersonic/common/util/StringUtil.java

@@ -46,6 +46,9 @@ public class StringUtil {
     }
 
     public static String replaceBackticks(String sql) {
+        if (StringUtils.isBlank(sql)) {
+            return sql;
+        }
         return sql.replaceAll("`", "");
     }
 }

headless/chat/src/main/java/com/tencent/supersonic/headless/chat/corrector/HavingCorrector.java

@@ -66,6 +66,5 @@ public class HavingCorrector extends BaseSemanticCorrector {
                     SqlAddHelper.addFunctionToSelect(correctS2SQL, havingExpressionList);
             semanticParseInfo.getSqlInfo().setCorrectedS2SQL(replaceSql);
         }
-        return;
     }
 }