merge

Author: shanhexi

chat2db-server/chat2db-plugins/chat2db-mysql/src/main/java/ai/chat2db/plugin/mysql/builder/MysqlSqlBuilder.java

@@ -95,9 +95,10 @@ public String buildModifyTaleSql(Table oldTable, Table newTable) {
                 script.append("\t").append(mysqlIndexTypeEnum.buildModifyIndex(tableIndex)).append(",\n");
             }
         }
-
-        script = new StringBuilder(script.substring(0, script.length() - 2));
-        script.append(";");
+        if(script.length()>2) {
+            script = new StringBuilder(script.substring(0, script.length() - 2));
+            script.append(";");
+        }
 
         return script.toString();
     }

chat2db-server/chat2db-plugins/chat2db-oracle/src/main/java/ai/chat2db/plugin/oracle/builder/OracleSqlBuilder.java

@@ -67,10 +67,10 @@ public String buildModifyTaleSql(Table oldTable, Table newTable) {
 
         if (!StringUtils.equalsIgnoreCase(oldTable.getName(), newTable.getName())) {
             script.append("ALTER TABLE "). append("\"").append(oldTable.getSchemaName()).append("\".\"").append(oldTable.getName()).append("\"");
-            script.append(" ").append("RENAME TO ").append("\"").append(newTable.getName()).append("\"").append(";");
+            script.append(" ").append("RENAME TO ").append("\"").append(newTable.getName()).append("\"").append(";\n");
         }
         if (!StringUtils.equalsIgnoreCase(oldTable.getComment(), newTable.getComment())) {
-            script.append("\n").append(buildTableComment(newTable)).append(";");
+            script.append("").append(buildTableComment(newTable)).append(";\n");
         }
 
 
@@ -92,9 +92,10 @@ public String buildModifyTaleSql(Table oldTable, Table newTable) {
                 script.append("\t").append(mysqlIndexTypeEnum.buildModifyIndex(tableIndex)).append(";\n");
             }
         }
-
-        script = new StringBuilder(script.substring(0, script.length() - 2));
-        script.append(";");
+        if(script.length()>2) {
+            script = new StringBuilder(script.substring(0, script.length() - 2));
+            script.append(";");
+        }
 
         return script.toString();
     }