From 94bc282f1a8587a72359e9865e3fe13c3e0ab4f4 Mon Sep 17 00:00:00 2001
From: Wing-Kam Wong <wingkwong.code@gmail.com>
Date: Tue, 12 Jul 2022 17:02:23 +0800
Subject: [PATCH 1/2] enhancement: hide LTAR system fields in formula
 suggestion list

---
 .../spreadsheet/components/editColumn/FormulaOptions.vue     | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/packages/nc-gui/components/project/spreadsheet/components/editColumn/FormulaOptions.vue b/packages/nc-gui/components/project/spreadsheet/components/editColumn/FormulaOptions.vue
index fbe89f8159..e5b0056a82 100644
--- a/packages/nc-gui/components/project/spreadsheet/components/editColumn/FormulaOptions.vue
+++ b/packages/nc-gui/components/project/spreadsheet/components/editColumn/FormulaOptions.vue
@@ -136,7 +136,10 @@ export default {
             examples: formulas[fn].examples,
           })),
         ...this.meta.columns
-          .filter(c => !this.column || this.column.id !== c.id)
+          .filter(
+            c =>
+              !this.column || (this.column.id !== c.id && !(c.uidt === UITypes.LinkToAnotherRecord && c.system === 1))
+          )
           .map(c => ({
             text: c.title,
             type: 'column',

From 6df9feb1689057b989958bdcef796479ef2c3f91 Mon Sep 17 00:00:00 2001
From: Wing-Kam Wong <wingkwong.code@gmail.com>
Date: Tue, 12 Jul 2022 17:02:52 +0800
Subject: [PATCH 2/2] enhancement: substitute column id with alias in formula
 help text

---
 .../project/spreadsheet/components/VirtualHeaderCell.vue | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/packages/nc-gui/components/project/spreadsheet/components/VirtualHeaderCell.vue b/packages/nc-gui/components/project/spreadsheet/components/VirtualHeaderCell.vue
index a32e0ba501..6583929f58 100644
--- a/packages/nc-gui/components/project/spreadsheet/components/VirtualHeaderCell.vue
+++ b/packages/nc-gui/components/project/spreadsheet/components/VirtualHeaderCell.vue
@@ -101,7 +101,7 @@
   </div>
 </template>
 <script>
-import { UITypes } from 'nocodb-sdk';
+import { UITypes, substituteColumnIdWithAliasInFormula } from 'nocodb-sdk';
 import { getUIDTIcon } from '../helpers/uiTypes';
 import EditVirtualColumn from '~/components/project/spreadsheet/components/EditVirtualColumn';
 
@@ -198,7 +198,12 @@ export default {
       } else if (this.type === 'lk') {
         return `'${this.childColumn.title}' from '${this.childTable}' (${this.childColumn.uidt})`;
       } else if (this.type === 'formula') {
-        return `Formula - ${this.column.colOptions.formula}`;
+        const formula = substituteColumnIdWithAliasInFormula(
+          this.column.colOptions.formula,
+          this.meta.columns,
+          this.column.colOptions.formula_raw
+        );
+        return `Formula - ${formula}`;
       } else if (this.type === 'rl') {
         return `'${this.childColumn.title}' of '${this.childTable}' (${this.childColumn.uidt})`;
       }