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| 1 | +// Copyright 2024 Dolthub, Inc. |
| 2 | +// |
| 3 | +// Licensed under the Apache License, Version 2.0 (the "License"); |
| 4 | +// you may not use this file except in compliance with the License. |
| 5 | +// You may obtain a copy of the License at |
| 6 | +// |
| 7 | +// http://www.apache.org/licenses/LICENSE-2.0 |
| 8 | +// |
| 9 | +// Unless required by applicable law or agreed to in writing, software |
| 10 | +// distributed under the License is distributed on an "AS IS" BASIS, |
| 11 | +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 12 | +// See the License for the specific language governing permissions and |
| 13 | +// limitations under the License. |
| 14 | + |
| 15 | +package _go |
| 16 | + |
| 17 | +import ( |
| 18 | + "testing" |
| 19 | + |
| 20 | + "github.com/dolthub/go-mysql-server/sql" |
| 21 | +) |
| 22 | + |
| 23 | +func TestGroupBy(t *testing.T) { |
| 24 | + RunScripts(t, []ScriptTest{ |
| 25 | + { |
| 26 | + Name: "Basic order by/group by cases", |
| 27 | + SetUpScript: []string{ |
| 28 | + "create table members (id bigint primary key, team text);", |
| 29 | + "insert into members values (3,'red'), (4,'red'),(5,'orange'),(6,'orange'),(7,'orange'),(8,'purple');", |
| 30 | + }, |
| 31 | + Assertions: []ScriptTestAssertion{ |
| 32 | + { |
| 33 | + Query: "select team as f from members order by id, f", |
| 34 | + Expected: []sql.Row{{"red"}, {"red"}, {"orange"}, {"orange"}, {"orange"}, {"purple"}}, |
| 35 | + }, |
| 36 | + { |
| 37 | + Query: "SELECT team, COUNT(*) FROM members GROUP BY team ORDER BY 2", |
| 38 | + Expected: []sql.Row{ |
| 39 | + {"purple", int64(1)}, |
| 40 | + {"red", int64(2)}, |
| 41 | + {"orange", int64(3)}, |
| 42 | + }, |
| 43 | + }, |
| 44 | + { |
| 45 | + Query: "SELECT team, COUNT(*) FROM members GROUP BY 1 ORDER BY 2", |
| 46 | + Expected: []sql.Row{ |
| 47 | + {"purple", int64(1)}, |
| 48 | + {"red", int64(2)}, |
| 49 | + {"orange", int64(3)}, |
| 50 | + }, |
| 51 | + }, |
| 52 | + { |
| 53 | + Query: "SELECT team, COUNT(*) FROM members GROUP BY team ORDER BY columndoesnotexist", |
| 54 | + ExpectedErr: "not be found", |
| 55 | + }, |
| 56 | + { |
| 57 | + 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", |
| 58 | + Expected: []sql.Row{{3}, {4}, {5}, {6}, {7}, {8}}, |
| 59 | + }, |
| 60 | + { |
| 61 | + Query: "SELECT id as alias1, (SELECT alias1+1 group by alias1 having alias1 > 0) FROM members where id < 6;", |
| 62 | + Expected: []sql.Row{{3, 4}, {4, 5}, {5, 6}}, |
| 63 | + }, |
| 64 | + { |
| 65 | + Query: "SELECT id, (SELECT UPPER(team) having id > 3) as upper_team FROM members where id < 6;", |
| 66 | + Expected: []sql.Row{{3, nil}, {4, "RED"}, {5, "ORANGE"}}, |
| 67 | + }, |
| 68 | + { |
| 69 | + Query: "SELECT id, (SELECT -1 as id having id < 10) as upper_team FROM members where id < 6;", |
| 70 | + Expected: []sql.Row{{3, -1}, {4, -1}, {5, -1}}, |
| 71 | + }, |
| 72 | + }, |
| 73 | + }, |
| 74 | + }) |
| 75 | +} |
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