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2026-07-13 12:32:25 +08:00

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Go
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// Copyright 2024 Dolthub, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package _go
import (
"testing"
"github.com/dolthub/go-mysql-server/sql"
)
func TestGroupBy(t *testing.T) {
RunScripts(t, []ScriptTest{
{
Name: "Basic order by/group by cases",
SetUpScript: []string{
"create table members (id bigint primary key, team text);",
"insert into members values (3,'red'), (4,'red'),(5,'orange'),(6,'orange'),(7,'orange'),(8,'purple');",
},
Assertions: []ScriptTestAssertion{
{
Query: "select team as f from members order by id, f",
Expected: []sql.Row{{"red"}, {"red"}, {"orange"}, {"orange"}, {"orange"}, {"purple"}},
},
{
Query: "SELECT team, COUNT(*) FROM members GROUP BY team ORDER BY 2",
Expected: []sql.Row{
{"purple", int64(1)},
{"red", int64(2)},
{"orange", int64(3)},
},
},
{
Query: "SELECT team, COUNT(*) FROM members GROUP BY 1 ORDER BY 2",
Expected: []sql.Row{
{"purple", int64(1)},
{"red", int64(2)},
{"orange", int64(3)},
},
},
{
Query: "SELECT team, COUNT(*) FROM members GROUP BY team ORDER BY columndoesnotexist",
ExpectedErr: "not be found",
},
{
Query: "SELECT DISTINCT t1.id as id FROM members AS t1 JOIN members AS t2 ON t1.id = t2.id WHERE t2.id > 0 ORDER BY t1.id",
Expected: []sql.Row{{3}, {4}, {5}, {6}, {7}, {8}},
},
{
Query: "SELECT id as alias1, (SELECT alias1+1 group by alias1 having alias1 > 0) FROM members where id < 6;",
Expected: []sql.Row{{3, 4}, {4, 5}, {5, 6}},
},
{
Query: "SELECT id, (SELECT UPPER(team) having id > 3) as upper_team FROM members where id < 6;",
Expected: []sql.Row{{3, nil}, {4, "RED"}, {5, "ORANGE"}},
},
{
Query: "SELECT id, (SELECT -1 as id having id < 10) as upper_team FROM members where id < 6;",
Expected: []sql.Row{{3, -1}, {4, -1}, {5, -1}},
},
},
},
})
}