[feature-wip][multi-catalog]Support caseSensitive field name in file scan node (#11310)

* Impl case sentive in file scan node

fe/fe-core/src/main/java/org/apache/doris/common/util/BrokerUtil.java

@@ -222,6 +222,14 @@ public class BrokerUtil {
 
     public static List<String> parseColumnsFromPath(String filePath, List<String> columnsFromPath)
             throws UserException {
+        return parseColumnsFromPath(filePath, columnsFromPath, true);
+    }
+
+    public static List<String> parseColumnsFromPath(
+            String filePath,
+            List<String> columnsFromPath,
+            boolean caseSensitive)
+            throws UserException {
         if (columnsFromPath == null || columnsFromPath.isEmpty()) {
             return Collections.emptyList();
         }
@@ -246,7 +254,8 @@ public class BrokerUtil {
                 throw new UserException("Fail to parse columnsFromPath, expected: "
                         + columnsFromPath + ", filePath: " + filePath);
             }
-            int index = columnsFromPath.indexOf(pair[0]);
+            String parsedColumnName = caseSensitive ? pair[0] : pair[0].toLowerCase();
+            int index = columnsFromPath.indexOf(parsedColumnName);
             if (index == -1) {
                 continue;
             }

fe/fe-core/src/main/java/org/apache/doris/planner/HudiScanNode.java

@@ -274,7 +274,7 @@ public class HudiScanNode extends BrokerScanNode {
 
             TScanRangeLocations curLocations = newLocations(context.params, brokerDesc);
             List<String> partitionValuesFromPath = BrokerUtil.parseColumnsFromPath(fileSplit.getPath().toString(),
-                    getPartitionKeys());
+                    getPartitionKeys(), false);
             int numberOfColumnsFromFile = context.slotDescByName.size() - partitionValuesFromPath.size();
 
             TBrokerRangeDesc rangeDesc = createBrokerRangeDesc(fileSplit, fileFormatType,

fe/fe-core/src/main/java/org/apache/doris/planner/external/ExternalFileScanNode.java

@@ -309,7 +309,7 @@ public class ExternalFileScanNode extends ExternalScanNode {
             totalFileSize += split.getLength();
 
             List<String> partitionValuesFromPath = BrokerUtil.parseColumnsFromPath(fileSplit.getPath().toString(),
-                    partitionKeys);
+                    partitionKeys, false);
 
             TFileRangeDesc rangeDesc = createFileRangeDesc(fileSplit, partitionValuesFromPath);