Merge branch '1.5_v3.5.7_split_bug' into '1.5_v3.5.7'

修改 string 切分问题

修复 string 切分的时候遇到括号问题

See merge request !39

Author: yanxi

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

@@ -57,13 +57,16 @@ public static List<String> splitIgnoreQuota(String str, char delimiter){
         List<String> tokensList = new ArrayList<>();
         boolean inQuotes = false;
         boolean inSingleQuotes = false;
+        int bracketLeftNum = 0;
         StringBuilder b = new StringBuilder();
         for (char c : str.toCharArray()) {
             if(c == delimiter){
                 if (inQuotes) {
                     b.append(c);
                 } else if(inSingleQuotes){
                     b.append(c);
+                } else if(bracketLeftNum > 0){
+                    b.append(c);
                 }else {
                     tokensList.add(b.toString());
                     b = new StringBuilder();
@@ -74,6 +77,12 @@ public static List<String> splitIgnoreQuota(String str, char delimiter){
             }else if(c == '\''){
                 inSingleQuotes = !inSingleQuotes;
                 b.append(c);
+            }else if(c == '('){
+                bracketLeftNum++;
+                b.append(c);
+            }else if(c == ')'){
+                bracketLeftNum--;
+                b.append(c);
             }else{
                 b.append(c);
             }