Merge pull request #1876 from nocodb/fix/1835-pg-list-with-json-column

fix: use union all instead of union since rows will be unique

packages/nocodb/src/lib/dataMapper/lib/sql/BaseModelSqlv2.ts

@@ -236,7 +236,6 @@ class BaseModelSqlv2 {
     const aliasColObjMap = await this.model.getAliasColObjMap();
     const filterObj = extractFilterFromXwhere(where, aliasColObjMap);
 
-    // todo: replace with view id
     if (!ignoreFilterSort && this.viewId) {
       await conditionV2(
         [
@@ -320,7 +319,7 @@ class BaseModelSqlv2 {
 
       const childQb = this.dbDriver.queryBuilder().from(
         this.dbDriver
-          .union(
+          .unionAll(
             ids.map(p => {
               const query = qb
                 .clone()
@@ -396,7 +395,6 @@ class BaseModelSqlv2 {
       );
 
       return children.map(({ count }) => count);
-      // return _.groupBy(children, cn);
     } catch (e) {
       console.log(e);
       throw e;
@@ -528,7 +526,7 @@ class BaseModelSqlv2 {
     const qb = this.dbDriver(rtn).join(vtn, `${vtn}.${vrcn}`, `${rtn}.${rcn}`);
 
     await childModel.selectObject({ qb });
-    const finalQb = this.dbDriver.union(
+    const finalQb = this.dbDriver.unionAll(
       parentIds.map(id => {
         const query = qb
           .clone()
@@ -636,7 +634,7 @@ class BaseModelSqlv2 {
       .count(`${vtn}.${vcn}`, { as: 'count' });
 
     // await childModel.selectObject({ qb });
-    const children = await this.dbDriver.union(
+    const children = await this.dbDriver.unionAll(
       parentIds.map(id => {
         const query = qb
           .clone()