[BugFix] Fix create table use order by case sensitive

Signed-off-by: meegoo <[email protected]>

fe/fe-core/src/main/java/com/starrocks/server/OlapTableFactory.java

@@ -81,6 +81,7 @@
 import java.util.Map;
 import java.util.Set;
 import java.util.stream.Collectors;
+import java.util.stream.IntStream;
 import javax.validation.constraints.NotNull;
 
 public class OlapTableFactory implements AbstractTableFactory {
@@ -179,7 +180,9 @@ public Table createTable(LocalMetastore metastore, Database db, CreateTableStmt
             Set<Integer> addedSortKey = new HashSet<>();
             List<String> baseSchemaNames = baseSchema.stream().map(Column::getName).collect(Collectors.toList());
             for (String column : stmt.getSortKeys()) {
-                int idx = baseSchemaNames.indexOf(column);
+                int idx = IntStream.range(0, baseSchemaNames.size())
+                        .filter(i -> baseSchemaNames.get(i).equalsIgnoreCase(column))
+                        .findFirst().orElse(-1);
                 if (idx == -1) {
                     throw new DdlException("Invalid column '" + column + "': not exists in all columns.");
                 }