BlackPigHe commented on code in PR #89:
URL: 
https://github.com/apache/flink-connector-jdbc/pull/89#discussion_r1458592157


##########
flink-connector-jdbc/src/main/java/org/apache/flink/connector/jdbc/utils/JdbcUtils.java:
##########
@@ -168,4 +168,14 @@ public static Row getPrimaryKey(Row row, int[] pkFields) {
         }
         return pkRow;
     }
+
+    public static String handleDoubleQuotes(String identifier) {
+        String[] split = identifier.split("\\.");
+        StringBuilder builder = new StringBuilder();
+        for (String s : split) {
+            builder.append("\"").append(s).append("\"");
+            builder.append(".");
+        }
+        return builder.deleteCharAt(builder.length() - 1).toString();
+    }

Review Comment:
   Do you think that the location of this method is not appropriate, I think it 
is OK, the specific escape characters of the data source in their own package 
implementation, there are public features to extract and did not find a better 
location



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