Fix panic in aggregation (#15728)

Signed-off-by: Manan Gupta <[email protected]>

go/test/endtoend/utils/utils.go

@@ -244,12 +244,12 @@ func AssertMatchesWithTimeout(t *testing.T, conn *mysql.Conn, query, expected st
 }
 
 // WaitForAuthoritative waits for a table to become authoritative
-func WaitForAuthoritative(t *testing.T, ks, tbl string, readVSchema func() (*interface{}, error)) error {
+func WaitForAuthoritative(t TestingT, ks, tbl string, readVSchema func() (*interface{}, error)) error {
 	timeout := time.After(60 * time.Second)
 	for {
 		select {
 		case <-timeout:
-			return fmt.Errorf("schema tracking didn't mark table t2 as authoritative until timeout")
+			return fmt.Errorf("schema tracking didn't mark table %v.%v as authoritative until timeout", ks, tbl)
 		default:
 			res, err := readVSchema()
 			require.NoError(t, err, res)
@@ -320,7 +320,7 @@ func WaitForTableDeletions(t *testing.T, vtgateProcess cluster.VtgateProcess, ks
 }
 
 // WaitForColumn waits for a table's column to be present
-func WaitForColumn(t testing.TB, vtgateProcess cluster.VtgateProcess, ks, tbl, col string) error {
+func WaitForColumn(t TestingT, vtgateProcess cluster.VtgateProcess, ks, tbl, col string) error {
 	timeout := time.After(60 * time.Second)
 	for {
 		select {
@@ -355,7 +355,7 @@ func WaitForColumn(t testing.TB, vtgateProcess cluster.VtgateProcess, ks, tbl, c
 				if !isMap {
 					break
 				}
-				if colName, exists := colDef["name"]; exists && colName == col {
+				if colName, exists := colDef["name"]; exists && strings.EqualFold(colName.(string), col) {
 					return nil
 				}
 			}

go/test/endtoend/vtgate/queries/tpch/tpch_test.go

@@ -131,6 +131,36 @@ order by
 	l_returnflag,
 	l_linestatus;`,
 		},
+		{
+			name: "Q11",
+			query: `select
+	ps_partkey,
+	sum(ps_supplycost * ps_availqty) as value
+from
+	partsupp,
+	supplier,
+	nation
+where
+	ps_suppkey = s_suppkey
+	and s_nationkey = n_nationkey
+	and n_name = 'MOZAMBIQUE'
+group by
+	ps_partkey having
+		sum(ps_supplycost * ps_availqty) > (
+			select
+				sum(ps_supplycost * ps_availqty) * 0.0001000000
+			from
+				partsupp,
+				supplier,
+				nation
+			where
+				ps_suppkey = s_suppkey
+				and s_nationkey = n_nationkey
+				and n_name = 'MOZAMBIQUE'
+		)
+order by
+	value desc;`,
+		},
 	}
 
 	for _, testcase := range testcases {

go/vt/vtgate/engine/scalar_aggregation.go

@@ -80,7 +80,7 @@ func (sa *ScalarAggregate) NeedsTransaction() bool {
 
 // TryExecute implements the Primitive interface
 func (sa *ScalarAggregate) TryExecute(ctx context.Context, vcursor VCursor, bindVars map[string]*querypb.BindVariable, wantfields bool) (*sqltypes.Result, error) {
-	result, err := vcursor.ExecutePrimitive(ctx, sa.Input, bindVars, wantfields)
+	result, err := vcursor.ExecutePrimitive(ctx, sa.Input, bindVars, true)
 	if err != nil {
 		return nil, err
 	}
@@ -114,7 +114,7 @@ func (sa *ScalarAggregate) TryStreamExecute(ctx context.Context, vcursor VCursor
 	var fields []*querypb.Field
 	fieldsSent := !wantfields
 
-	err := vcursor.StreamExecutePrimitive(ctx, sa.Input, bindVars, wantfields, func(result *sqltypes.Result) error {
+	err := vcursor.StreamExecutePrimitive(ctx, sa.Input, bindVars, true, func(result *sqltypes.Result) error {
 		// as the underlying primitive call is not sync
 		// and here scalar aggregate is using shared variables we have to sync the callback
 		// for correct aggregation.