mirror of https://github.com/go-gorm/gorm.git
100 lines
2.9 KiB
Go
100 lines
2.9 KiB
Go
package tests_test
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import (
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"testing"
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. "gorm.io/gorm/utils/tests"
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)
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func TestGroupBy(t *testing.T) {
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var users = []User{{
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Name: "groupby",
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Age: 10,
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Birthday: Now(),
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Active: true,
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}, {
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Name: "groupby",
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Age: 20,
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Birthday: Now(),
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}, {
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Name: "groupby",
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Age: 30,
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Birthday: Now(),
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Active: true,
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}, {
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Name: "groupby1",
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Age: 110,
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Birthday: Now(),
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}, {
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Name: "groupby1",
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Age: 220,
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Birthday: Now(),
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Active: true,
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}, {
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Name: "groupby1",
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Age: 330,
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Birthday: Now(),
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Active: true,
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}}
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if err := DB.Create(&users).Error; err != nil {
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t.Errorf("errors happened when create: %v", err)
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}
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var name string
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var total int
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if err := DB.Model(&User{}).Select("name, sum(age)").Where("name = ?", "groupby").Group("name").Row().Scan(&name, &total); err != nil {
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t.Errorf("no error should happen, but got %v", err)
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}
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if name != "groupby" || total != 60 {
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t.Errorf("name should be groupby, but got %v, total should be 60, but got %v", name, total)
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}
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if err := DB.Model(&User{}).Select("name, sum(age)").Where("name = ?", "groupby").Group("users.name").Row().Scan(&name, &total); err != nil {
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t.Errorf("no error should happen, but got %v", err)
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}
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if name != "groupby" || total != 60 {
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t.Errorf("name should be groupby, but got %v, total should be 60, but got %v", name, total)
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}
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if err := DB.Model(&User{}).Select("name, sum(age) as total").Where("name LIKE ?", "groupby%").Group("name").Having("name = ?", "groupby1").Row().Scan(&name, &total); err != nil {
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t.Errorf("no error should happen, but got %v", err)
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}
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if name != "groupby1" || total != 660 {
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t.Errorf("name should be groupby, but got %v, total should be 660, but got %v", name, total)
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}
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var result = struct {
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Name string
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Total int64
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}{}
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if err := DB.Model(&User{}).Select("name, sum(age) as total").Where("name LIKE ?", "groupby%").Group("name").Having("name = ?", "groupby1").Find(&result).Error; err != nil {
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t.Errorf("no error should happen, but got %v", err)
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}
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if result.Name != "groupby1" || result.Total != 660 {
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t.Errorf("name should be groupby, total should be 660, but got %+v", result)
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}
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if err := DB.Model(&User{}).Select("name, sum(age) as total").Where("name LIKE ?", "groupby%").Group("name").Having("name = ?", "groupby1").Scan(&result).Error; err != nil {
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t.Errorf("no error should happen, but got %v", err)
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}
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if result.Name != "groupby1" || result.Total != 660 {
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t.Errorf("name should be groupby, total should be 660, but got %+v", result)
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}
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var active bool
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if err := DB.Model(&User{}).Select("name, active, sum(age)").Where("name = ? and active = ?", "groupby", true).Group("name").Group("active").Row().Scan(&name, &active, &total); err != nil {
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t.Errorf("no error should happen, but got %v", err)
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}
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if name != "groupby" || active != true || total != 40 {
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t.Errorf("group by two columns, name %v, age %v, active: %v", name, total, active)
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}
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}
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