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@@ -0,0 +1,56 @@
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+package clause_test
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+
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+import (
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+ "sync"
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+ "testing"
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+
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+ "github.com/jinzhu/gorm"
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+ "github.com/jinzhu/gorm/clause"
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+ "github.com/jinzhu/gorm/schema"
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+ "github.com/jinzhu/gorm/tests"
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+)
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+
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+func BenchmarkSelect(b *testing.B) {
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+ user, _ := schema.Parse(&tests.User{}, &sync.Map{}, db.NamingStrategy)
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+
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+ for i := 0; i < b.N; i++ {
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+ stmt := gorm.Statement{DB: db, Table: user.Table, Schema: user, Clauses: map[string]clause.Clause{}}
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+ clauses := []clause.Interface{clause.Select{}, clause.From{}, clause.Where{Exprs: []clause.Expression{clause.Eq{Column: clause.PrimaryColumn, Value: "1"}, clause.Gt{Column: "age", Value: 18}, clause.Or(clause.Neq{Column: "name", Value: "jinzhu"})}}}
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+
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+ for _, clause := range clauses {
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+ stmt.AddClause(clause)
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+ }
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+
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+ stmt.Build("SELECT", "FROM", "WHERE")
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+ _ = stmt.SQL.String()
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+ }
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+}
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+
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+func BenchmarkComplexSelect(b *testing.B) {
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+ user, _ := schema.Parse(&tests.User{}, &sync.Map{}, db.NamingStrategy)
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+
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+ for i := 0; i < b.N; i++ {
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+ stmt := gorm.Statement{DB: db, Table: user.Table, Schema: user, Clauses: map[string]clause.Clause{}}
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+ clauses := []clause.Interface{
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+ clause.Select{}, clause.From{},
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+ clause.Where{Exprs: []clause.Expression{
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+ clause.Eq{Column: clause.PrimaryColumn, Value: "1"},
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+ clause.Gt{Column: "age", Value: 18},
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+ clause.Or(clause.Neq{Column: "name", Value: "jinzhu"}),
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+ }},
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+ clause.Where{Exprs: []clause.Expression{
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+ clause.Or(clause.Gt{Column: "score", Value: 100}, clause.Like{Column: "name", Value: "%linus%"}),
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+ }},
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+ clause.GroupBy{Columns: []clause.Column{{Name: "role"}}, Having: clause.Where{[]clause.Expression{clause.Eq{"role", "admin"}}}},
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+ clause.Limit{Limit: 10, Offset: 20},
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+ clause.OrderBy{Columns: []clause.OrderByColumn{{Column: clause.PrimaryColumn, Desc: true}}},
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+ }
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+
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+ for _, clause := range clauses {
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+ stmt.AddClause(clause)
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+ }
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+
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+ stmt.Build("SELECT", "FROM", "WHERE", "GROUP BY", "LIMIT", "ORDER BY")
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+ _ = stmt.SQL.String()
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+ }
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+}
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