fix splitIgoreQuota method

Author: todd5167

core/src/main/java/com/dtstack/flink/sql/util/DtStringUtil.java

@@ -66,24 +66,30 @@ public static List<String> splitIgnoreQuota(String str, char delimiter){
             if (idx > 0) {
                 flag = chars[idx - 1];
             }
-            if(c == delimiter){
+            if (c == delimiter) {
                 if (inQuotes) {
                     b.append(c);
-                } else if(inSingleQuotes){
+                } else if (inSingleQuotes) {
                     b.append(c);
-                } else if(bracketLeftNum > 0){
+                } else if (bracketLeftNum > 0) {
                     b.append(c);
-                }else {
+                } else {
                     tokensList.add(b.toString());
                     b = new StringBuilder();
                 }
-            }else if(c == '\"' && '\\'!=flag && !inSingleQuotes){
+            } else if (c == '\"' && '\\' != flag && !inSingleQuotes) {
                 inQuotes = !inQuotes;
                 b.append(c);
-            }else if(c == '\'' && '\\'!=flag && !inQuotes){
+            } else if (c == '\'' && '\\' != flag && !inQuotes) {
                 inSingleQuotes = !inSingleQuotes;
                 b.append(c);
-            }else{
+            } else if (c == '(') {
+                bracketLeftNum++;
+                b.append(c);
+            } else if (c == ')') {
+                bracketLeftNum--;
+                b.append(c);
+            } else {
                 b.append(c);
             }
             idx++;