fix: Force sql_simple_queries to quote in outer select

hana/lib/HANAService.js

@@ -339,7 +339,7 @@ class HANAService extends SQLService {
         throw new Error('CQN query using joins must specify the selected columns.')
       }
 
-      let { limit, one, from, orderBy, expand, columns = ['*'], localized, count, parent } = q.SELECT
+      let { limit, one, from, orderBy, having, expand, columns = ['*'], localized, count, parent } = q.SELECT
 
       // When one of these is defined wrap the query in a sub query
       if (expand || (parent && (limit || one || orderBy))) {
@@ -371,6 +371,7 @@ class HANAService extends SQLService {
             columns.push({ ref: [parent.as, '_path_'], as: '_parent_path_' })
         }
 
+        let orderByHasOutputColumnRef = false
         if (orderBy) {
           // Ensure that all columns used in the orderBy clause are exposed
           orderBy = orderBy.map((c, i) => {
@@ -388,6 +389,7 @@ class HANAService extends SQLService {
               }
               return { __proto__: c, ref: [this.column_name(match || c)], sort: c.sort }
             }
+            orderByHasOutputColumnRef = true
             return c
           })
         }
@@ -426,7 +428,9 @@ class HANAService extends SQLService {
           q.as = q.SELECT.from.as
         }
 
-        if (rowNumberRequired || q.SELECT.columns.length !== aliasedOutputColumns.length) {
+        const outputAliasSimpleQueriesRequired = cds.env.features.sql_simple_queries
+          && (orderByHasOutputColumnRef || having)
+        if (outputAliasSimpleQueriesRequired || rowNumberRequired || q.SELECT.columns.length !== aliasedOutputColumns.length) {
           q = cds.ql.SELECT(aliasedOutputColumns).from(q)
           q.as = q.SELECT.from.as
           Object.defineProperty(q, 'elements', { value: elements })

test/scenarios/bookshop/read.test.js

@@ -55,10 +55,10 @@ describe('Bookshop - Read', () => {
     expect(res.data.value.length).to.be.eq(4) // As there are two books which have the same author
     expect(
       res.data.value.every(
-      item =>
-        'author' in item &&
-        'ID' in item.author && // foreign key is renamed to element name in target
-        !('author_ID' in item.author),
+        item =>
+          'author' in item &&
+          'ID' in item.author && // foreign key is renamed to element name in target
+          !('author_ID' in item.author),
       ),
     ).to.be.true
   })
@@ -134,6 +134,17 @@ describe('Bookshop - Read', () => {
     expect(res.length).to.be.eq(2)
   })
 
+  test('order by computed result column', async () => {
+    const { Authors } = cds.entities('sap.capire.bookshop')
+    const res = await SELECT
+      .columns`ID,sum(books_price) as price :Decimal`
+      .from(CQL`SELECT ID,books.price from ${Authors}`)
+      .groupBy`ID`
+      .orderBy`price desc`
+    expect(res.length).to.be.eq(4)
+    expect(res[0].price).to.be.eq('150')
+  })
+
   test('reuse already executed select as subselect', async () => {
     let s = SELECT.columns('ID').from('sap.capire.bookshop.Books')
     let res = await s
@@ -370,9 +381,9 @@ describe('Bookshop - Read', () => {
   })
 
   it('allows filtering with between operator', async () => {
-    const query = SELECT.from('sap.capire.bookshop.Books', ['ID', 'stock']).where ({ stock: { between: 0, and: 100 } })
+    const query = SELECT.from('sap.capire.bookshop.Books', ['ID', 'stock']).where({ stock: { between: 0, and: 100 } })
 
-    return expect((await query).every(row => row.stock >=0 && row.stock <=100)).to.be.true
+    return expect((await query).every(row => row.stock >= 0 && row.stock <= 100)).to.be.true
   })
 
   it('allows various mechanisms for expressing "not in"', async () => {
@@ -382,7 +393,7 @@ describe('Bookshop - Read', () => {
       SELECT.from('sap.capire.bookshop.Books', ['ID']).where('ID not in', [201, 251]).orderBy('ID'),
     ])
 
-    for (const row of results) expect(row).to.deep.eq([{ID: 207},{ID: 252},{ID: 271}])
+    for (const row of results) expect(row).to.deep.eq([{ ID: 207 }, { ID: 252 }, { ID: 271 }])
   })
 
   it('select all authors which have written books that have genre.name = null', async () => {