feat(nocodb): add migrateEmptyAndNullFilters

packages/nocodb/src/lib/version-upgrader/ncFilterUpgrader_0105003.ts

@@ -8,6 +8,8 @@ import { UITypes } from 'nocodb-sdk';
 // as of 0.105.3, date / datetime filters include `is like` and `is not like` which are not practical
 // `removeLikeAndNlikeFilters` in this upgrader is simply to remove them
 
+// besides, `null` and `empty` will be migrated to `blank` in `migrateEmptyAndNullFilters`
+
 // since the upcoming version will introduce a set of new filters for date / datetime with a new `comparison_sub_op`
 // `eq` and `neq` would become `is` / `is not` (comparison_op) + `exact date` (comparison_sub_op)
 // `migrateEqAndNeqFilters` in this upgrader is to add `exact date` in comparison_sub_op
@@ -15,6 +17,7 @@ import { UITypes } from 'nocodb-sdk';
 // Change Summary:
 // - Date / DateTime columns:
 //   - remove `is like` and `is not like`
+//   - migrate `null` or `empty` filters to `blank`
 //   - add `exact date` in comparison_sub_op for existing filters `eq` and `neq`
 
 async function removeLikeAndNlikeFilters(ncMeta: NcMetaIO) {
@@ -59,7 +62,46 @@ async function migrateEqAndNeqFilters(ncMeta: NcMetaIO) {
   await Promise.all(actions);
 }
 
+async function migrateEmptyAndNullFilters(ncMeta: NcMetaIO) {
+  let actions = [];
+  const filters = await ncMeta.metaList2(null, null, MetaTable.FILTER_EXP);
+  for (const filter of filters) {
+    if (
+      !filter.fk_column_id ||
+      filter.is_group ||
+      !['empty', 'notempty', 'null', 'notnull'].includes(filter.comparison_op)
+    ) {
+      continue;
+    }
+    if (['empty', 'null'].includes(filter.comparison_op)) {
+      // migrate to blank
+      actions.push(
+        Filter.update(
+          filter.id,
+          {
+            comparison_op: 'blank',
+          },
+          ncMeta
+        )
+      );
+    } else if (['notempty', 'notnull'].includes(filter.comparison_op)) {
+      // migrate to not blank
+      actions.push(
+        Filter.update(
+          filter.id,
+          {
+            comparison_op: 'notblank',
+          },
+          ncMeta
+        )
+      );
+    }
+  }
+  await Promise.all(actions);
+}
+
 export default async function ({ ncMeta }: NcUpgraderCtx) {
   await removeLikeAndNlikeFilters(ncMeta);
+  await migrateEmptyAndNullFilters(ncMeta);
   await migrateEqAndNeqFilters(ncMeta);
 }