2020-01-07 11:01:08 +08:00
parent 4d3d73b4c1
commit 4b341436af
1 changed files with 4 additions and 0 deletions
--- a/src/org/redkale/util/SelectColumn.java
+++ b/src/org/redkale/util/SelectColumn.java
@@ -171,6 +171,10 @@ public class SelectColumn implements Predicate<String> {
        return new SelectColumn(Utility.append(cols, columns), true);
    }

+    public boolean isOnlyOneColumn() {
+        return !excludable && columns != null && columns.length == 1;
+    }
+
    @Override
    public boolean test(final String column) {
        if (this.columns != null) {