[jOOQ/jOOQ#17284] Cannot parse default expression in Derby using MetaImpl when computed column is reported as DEFAULT

jOOQ/src/main/java/org/jooq/impl/MetaImpl.java

@@ -1500,6 +1500,13 @@ final class MetaImpl extends AbstractMeta {
 
 
 
+                    // [#17284] Computed columns are reported as defaults
+                    case DERBY:
+                        if (defaultValue != null && defaultValue.toUpperCase().startsWith("GENERATED ALWAYS AS"))
+                            defaultValue = null;
+
+                        break;
+
                     case DUCKDB:
                         if (!isAutoIncrement && !isEmpty(defaultValue) && P_DUCKDB_IDENTITY_DEFAULT.matcher(defaultValue).matches()) {
                             isAutoIncrement = true;