Handle null uniqueColumns.

2014-05-02 13:13:11 -07:00
parent d870dd2fac
commit 4efae53621
1 changed files with 5 additions and 3 deletions
@@ -129,9 +129,11 @@ public class HsqldbLiaison extends BaseLiaison

        // note the set of single column unique constraints already provided (see method comment)
        Set<String> seenUniques = new HashSet<String>();
-        for (List<String> udef : uniqueColumns) {
-            if (udef.size() == 1) {
-                seenUniques.addAll(udef);
+        if (uniqueColumns != null) {
+            for (List<String> udef : uniqueColumns) {
+                if (udef.size() == 1) {
+                    seenUniques.addAll(udef);
+                }
            }
        }
        // primary key columns are also considered implicitly unique as of HSQL 2.2.4, and it will