Polishing

spring-jdbc/src/main/java/org/springframework/jdbc/support/rowset/ResultSetWrappingSqlRowSet.java

@@ -30,6 +30,7 @@ import java.util.Map;
 import org.springframework.jdbc.InvalidResultSetAccessException;
 import org.springframework.lang.Nullable;
 import org.springframework.util.CollectionUtils;
+import org.springframework.util.StringUtils;
 
 /**
  * The default implementation of Spring's {@link SqlRowSet} interface, wrapping a
@@ -110,7 +111,7 @@ public class ResultSetWrappingSqlRowSet implements SqlRowSet {
 					// Also support column names prefixed with table name
 					// as in {table_name}.{column.name}.
 					String table = rsmd.getTableName(i);
-					if (table != null && !table.isEmpty()) {
+					if (StringUtils.hasLength(table)) {
 						key = table + "." + rsmd.getColumnName(i);
 						if (!this.columnLabelMap.containsKey(key)) {
 							this.columnLabelMap.put(key, i);