Merge pull request #736 from 1194570458/dev

Fix the problem of duplicate database selection.

Author: Chat2DB-Pro

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

@@ -80,10 +80,24 @@ private String setDatabaseInJdbcUrl(ConnectInfo connectInfo) {
 
         String connectAddress = connectInfo.getHost() + ":" + connectInfo.getPort();
         String[] addressSplit = url.split(connectAddress);
-        String connectParams = addressSplit[1];
+        String connectParams = addressSplit.length == 2 ? addressSplit[1] : "";
         if (connectParams.startsWith("/")) {
             // Remove / from connection parameters
             connectParams = connectParams.substring(1);
+            if (connectParams.startsWith(databaseName)) {
+                // 删除连接参数中的数据库名
+                connectParams = connectParams.substring(databaseName.length());
+            } else {
+                // 是否有连接参数
+                int beginIndex = connectParams.indexOf("?");
+                // 无连接参数直接设置 ""
+                if (beginIndex == -1) {
+                    connectParams = "";
+                } else {
+                    // 删除连接参数前的数据库名
+                    connectParams = connectParams.substring(beginIndex);
+                }
+            }
         }
         // Add database name
         return addressSplit[0] + connectAddress + "/" + databaseName + connectParams;