go-sqlite3/driver/opt_stat4_test.go

53 lines
1.0 KiB
Go

// Copyright (C) 2018 The Go-SQLite3 Authors.
//
// Use of this source code is governed by an MIT-style
// license that can be found in the LICENSE file.
// +build cgo
// +build sqlite_stat4
package sqlite3
import (
"database/sql"
"os"
"testing"
)
func TestStat4(t *testing.T) {
tempFilename := TempFilename(t)
defer os.Remove(tempFilename)
db, err := sql.Open("sqlite3", "file:"+tempFilename)
if err != nil {
t.Fatal(err)
}
defer db.Close()
_, err = db.Exec("drop table foo")
_, err = db.Exec("create table foo (id integer)")
_, err = db.Exec("create index idx_id on foo(id)")
if err != nil {
t.Fatal("Failed to create table:", err)
}
tx, err := db.Begin()
for i := 0; i < 10000; i++ {
tx.Exec("insert into foo(id) VALUES(?)", i)
}
tx.Commit()
if _, err := db.Exec("ANALYZE"); err != nil {
t.Fatal(err)
}
exists := 0
if err := db.QueryRow("select count(type) from sqlite_master where type = 'table' and name = 'sqlite_stat4';").Scan(&exists); err != nil {
t.Fatal(err)
}
if exists != 1 {
t.Fatal("Failed to enable STAT4")
}
}