fix: neq filter issue with Links

Signed-off-by: Pranav C <pranavxc@gmail.com>

packages/nocodb/src/db/conditionV2.ts

@@ -275,7 +275,10 @@ const parseConditionV2 = async (
       return (_qb) => {};
     } else if (column.uidt === UITypes.Lookup) {
       return await generateLookupCondition(column, filter, knex, aliasCount);
-    } else if ([UITypes.Rollup,UITypes.Links].includes(column.uidt ) && !customWhereClause) {
+    } else if (
+      [UITypes.Rollup, UITypes.Links].includes(column.uidt) &&
+      !customWhereClause
+    ) {
       const builder = (
         await genRollupSelectv2({
           knex,
@@ -447,9 +450,10 @@ const parseConditionV2 = async (
                 ].includes(column.uidt)
               ) {
                 qb = qb.where((nestedQb) => {
-                  nestedQb
+                  nestedQb.whereNot(field, val);
-                    .whereNot(field, val)
+
-                    .orWhereNull(customWhereClause ? _val : _field);
+                  if (column.uidt !== UITypes.Links)
+                    qb.orWhereNull(customWhereClause ? _val : _field);
                 });
               } else if (column.uidt === UITypes.Rating) {
                 // unset rating is considered as NULL
@@ -469,9 +473,10 @@ const parseConditionV2 = async (
               }
             } else {
               qb = qb.where((nestedQb) => {
-                nestedQb
+                nestedQb.whereNot(field, val);
-                  .whereNot(field, val)
+
-                  .orWhereNull(customWhereClause ? _val : _field);
+                if (column.uidt !== UITypes.Links)
+                  qb.orWhereNull(customWhereClause ? _val : _field);
               });
             }
             break;