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make sure dual queries set found_rows correctly #6718

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merged 2 commits into from
Sep 14, 2020
Merged

make sure dual queries set found_rows correctly #6718

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31edcf0
make sure dual queries set found_rows correctly
systay Sep 14, 2020
5115f7a
update test expectations
systay Sep 14, 2020
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10 changes: 10 additions & 0 deletions go/test/endtoend/vtgate/misc_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -345,6 +345,16 @@ func TestSwitchBetweenOlapAndOltp(t *testing.T) {
exec(t, conn, "set workload='oltp'")
}

func TestFoundRowsOnDualQueries(t *testing.T) {
ctx := context.Background()
conn, err := mysql.Connect(ctx, &vtParams)
require.NoError(t, err)
defer conn.Close()

exec(t, conn, "select 42")
assertMatches(t, conn, "select found_rows()", "[[UINT64(1)]]")
}

func TestUseStmtInOLAP(t *testing.T) {
defer cluster.PanicHandler(t)
ctx := context.Background()
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8 changes: 2 additions & 6 deletions go/vt/vtgate/engine/singlerow.go
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Original file line number Diff line number Diff line change
Expand Up @@ -47,9 +47,7 @@ func (s *SingleRow) GetTableName() string {
// Execute performs a non-streaming exec.
func (s *SingleRow) Execute(vcursor VCursor, bindVars map[string]*query.BindVariable, wantfields bool) (*sqltypes.Result, error) {
result := sqltypes.Result{
Fields: nil,
RowsAffected: 0,
InsertID: 0,
RowsAffected: 1,
Rows: [][]sqltypes.Value{
{},
},
Expand All @@ -60,9 +58,7 @@ func (s *SingleRow) Execute(vcursor VCursor, bindVars map[string]*query.BindVari
// StreamExecute performs a streaming exec.
func (s *SingleRow) StreamExecute(vcursor VCursor, bindVars map[string]*query.BindVariable, wantields bool, callback func(*sqltypes.Result) error) error {
result := sqltypes.Result{
Fields: nil,
RowsAffected: 0,
InsertID: 0,
RowsAffected: 1,
Rows: [][]sqltypes.Value{
{},
},
Expand Down