fix: removeFilteredNamedGroupingPolicy "" filtered (#62)

* fix: removeFilteredNamedGroupingPolicy "" filtered

* refactor: removeFilteredPolicy

* refactor: removeFilteredPolicy again

* fix: update node-version

* refactor: removeFilteredPolicy 2

Author: PokIsemaine

.github/workflows/maven-ci.yml

@@ -71,7 +71,7 @@ jobs:
       - name: Set up Node.js
         uses: actions/setup-node@v2
         with:
-          node-version: 16
+          node-version: 18
 
       - name: Sematic Release
         run: |

src/main/java/org/casbin/adapter/JDBCBaseAdapter.java

@@ -473,14 +473,16 @@ public void removeFilteredPolicy(String sec, String ptype, int fieldIndex, Strin
             }
             String sql = renderActualSql("DELETE FROM casbin_rule WHERE ptype = ?");
             int columnIndex = fieldIndex;
-            for (int i = 0; i < values.size(); i++) {
+            for (int i = 0; i < values.size(); i++, columnIndex++) {
+                if (Objects.equals(values.get(i), "")) continue;
                 sql = String.format("%s%s%s%s", sql, " AND v", columnIndex, " = ?");
-                columnIndex++;
             }
             try (PreparedStatement ps = conn.prepareStatement(sql)) {
                 ps.setString(1, ptype);
-                for (int j = 0; j < values.size(); j++) {
-                    ps.setString(j + 2, values.get(j));
+                int index = 2;
+                for (String value : values) {
+                    if (Objects.equals(value, "")) continue;
+                    ps.setString(index++, value);
                 }
                 int rows = ps.executeUpdate();
                 if (rows < 1 && removePolicyFailed) {