refactor(nocodb): revise comments

packages/nocodb/src/db/formulav2/formulaQueryBuilderv2.ts

@@ -541,6 +541,7 @@ async function _formulaQueryBuilder(
         if (knex.clientType().startsWith('mysql')) {
           aliasToColumn[col.id] = async (): Promise<any> => {
             return {
+              // convert from DB timezone to UTC
               builder: knex.raw(
                 `CONVERT_TZ(??, @@GLOBAL.time_zone, '+00:00')`,
                 [col.column_name],
@@ -554,6 +555,7 @@ async function _formulaQueryBuilder(
         ) {
           aliasToColumn[col.id] = async (): Promise<any> => {
             return {
+              // convert from DB timezone to UTC
               builder: knex
                 .raw(
                   `?? AT TIME ZONE CURRENT_SETTING('timezone') AT TIME ZONE 'UTC'`,
@@ -566,7 +568,7 @@ async function _formulaQueryBuilder(
           knex.clientType() === 'mssql' &&
           col.dt !== 'datetimeoffset'
         ) {
-          // if there is no timezone info, convert to database timezone, then convert to UTC
+          // convert from DB timezone to UTC
           aliasToColumn[col.id] = async (): Promise<any> => {
             return {
               builder: knex.raw(

packages/nocodb/src/models/Model.ts

@@ -495,6 +495,7 @@ export default class Model implements TableType {
               dayjs(val).utc().format('YYYY-MM-DD HH:mm:ss'),
             ]);
           } else if (isSqlite) {
+            // convert to UTC
             // e.g. 2022-01-01T10:00:00.000Z -> 2022-01-01 04:30:00+00:00
             val = dayjs(val).utc().format('YYYY-MM-DD HH:mm:ssZ');
           } else if (isPg) {
@@ -505,6 +506,7 @@ export default class Model implements TableType {
               dayjs(val).utc().format('YYYY-MM-DD HH:mm:ssZ'),
             ]);
           } else if (isMssql) {
+            // convert ot UTC
             // e.g. 2023-05-10T08:49:32.000Z -> 2023-05-10 08:49:32-08:00
             // then convert to db timezone
             val = knex.raw(