diff options
Diffstat (limited to '')
-rw-r--r-- | dependencies/pkg/mod/github.com/mattn/go-sqlite3@v1.14.16/sqlite3_test.go | 2570 |
1 files changed, 2570 insertions, 0 deletions
diff --git a/dependencies/pkg/mod/github.com/mattn/go-sqlite3@v1.14.16/sqlite3_test.go b/dependencies/pkg/mod/github.com/mattn/go-sqlite3@v1.14.16/sqlite3_test.go new file mode 100644 index 0000000..326361e --- /dev/null +++ b/dependencies/pkg/mod/github.com/mattn/go-sqlite3@v1.14.16/sqlite3_test.go @@ -0,0 +1,2570 @@ +// Copyright (C) 2019 Yasuhiro Matsumoto <mattn.jp@gmail.com>. +// +// Use of this source code is governed by an MIT-style +// license that can be found in the LICENSE file. + +//go:build cgo +// +build cgo + +package sqlite3 + +import ( + "bytes" + "database/sql" + "database/sql/driver" + "errors" + "fmt" + "io/ioutil" + "math/rand" + "net/url" + "os" + "reflect" + "regexp" + "runtime" + "strconv" + "strings" + "sync" + "testing" + "time" +) + +func TempFilename(t testing.TB) string { + f, err := ioutil.TempFile("", "go-sqlite3-test-") + if err != nil { + t.Fatal(err) + } + f.Close() + return f.Name() +} + +func doTestOpen(t *testing.T, option string) (string, error) { + tempFilename := TempFilename(t) + url := tempFilename + option + + defer func() { + err := os.Remove(tempFilename) + if err != nil { + t.Error("temp file remove error:", err) + } + }() + + db, err := sql.Open("sqlite3", url) + if err != nil { + return "Failed to open database:", err + } + + defer func() { + err = db.Close() + if err != nil { + t.Error("db close error:", err) + } + }() + + err = db.Ping() + if err != nil { + return "ping error:", err + } + + _, err = db.Exec("drop table foo") + _, err = db.Exec("create table foo (id integer)") + if err != nil { + return "Failed to create table:", err + } + + if stat, err := os.Stat(tempFilename); err != nil || stat.IsDir() { + return "Failed to create ./foo.db", nil + } + + return "", nil +} + +func TestOpen(t *testing.T) { + cases := map[string]bool{ + "": true, + "?_txlock=immediate": true, + "?_txlock=deferred": true, + "?_txlock=exclusive": true, + "?_txlock=bogus": false, + } + for option, expectedPass := range cases { + result, err := doTestOpen(t, option) + if result == "" { + if !expectedPass { + errmsg := fmt.Sprintf("_txlock error not caught at dbOpen with option: %s", option) + t.Fatal(errmsg) + } + } else if expectedPass { + if err == nil { + t.Fatal(result) + } else { + t.Fatal(result, err) + } + } + } +} + +func TestOpenWithVFS(t *testing.T) { + filename := t.Name() + ".sqlite" + + if err := os.Remove(filename); err != nil && !os.IsNotExist(err) { + t.Fatal(err) + } + defer os.Remove(filename) + + db, err := sql.Open("sqlite3", fmt.Sprintf("file:%s?vfs=hello", filename)) + if err != nil { + t.Fatal("Failed to open", err) + } + err = db.Ping() + if err == nil { + t.Fatal("Failed to open", err) + } + db.Close() + + defer os.Remove(filename) + + var vfs string + if runtime.GOOS == "windows" { + vfs = "win32-none" + } else { + vfs = "unix-none" + } + db, err = sql.Open("sqlite3", fmt.Sprintf("file:%s?vfs=%s", filename, vfs)) + if err != nil { + t.Fatal("Failed to open", err) + } + err = db.Ping() + if err != nil { + t.Fatal("Failed to ping", err) + } + db.Close() +} + +func TestOpenNoCreate(t *testing.T) { + filename := t.Name() + ".sqlite" + + if err := os.Remove(filename); err != nil && !os.IsNotExist(err) { + t.Fatal(err) + } + defer os.Remove(filename) + + // https://golang.org/pkg/database/sql/#Open + // "Open may just validate its arguments without creating a connection + // to the database. To verify that the data source name is valid, call Ping." + db, err := sql.Open("sqlite3", fmt.Sprintf("file:%s?mode=rw", filename)) + if err == nil { + defer db.Close() + + err = db.Ping() + if err == nil { + t.Fatal("expected error from Open or Ping") + } + } + + sqlErr, ok := err.(Error) + if !ok { + t.Fatalf("expected sqlite3.Error, but got %T", err) + } + + if sqlErr.Code != ErrCantOpen { + t.Fatalf("expected SQLITE_CANTOPEN, but got %v", sqlErr) + } + + // make sure database file truly was not created + if _, err := os.Stat(filename); !os.IsNotExist(err) { + if err != nil { + t.Fatal(err) + } + t.Fatal("expected database file to not exist") + } + + // verify that it works if the mode is "rwc" instead + db, err = sql.Open("sqlite3", fmt.Sprintf("file:%s?mode=rwc", filename)) + if err != nil { + t.Fatal(err) + } + defer db.Close() + + if err := db.Ping(); err != nil { + t.Fatal(err) + } + + // make sure database file truly was created + if _, err := os.Stat(filename); err != nil { + if !os.IsNotExist(err) { + t.Fatal(err) + } + t.Fatal("expected database file to exist") + } +} + +func TestReadonly(t *testing.T) { + tempFilename := TempFilename(t) + defer os.Remove(tempFilename) + + db1, err := sql.Open("sqlite3", "file:"+tempFilename) + if err != nil { + t.Fatal(err) + } + db1.Exec("CREATE TABLE test (x int, y float)") + + db2, err := sql.Open("sqlite3", "file:"+tempFilename+"?mode=ro") + if err != nil { + t.Fatal(err) + } + _ = db2 + _, err = db2.Exec("INSERT INTO test VALUES (1, 3.14)") + if err == nil { + t.Fatal("didn't expect INSERT into read-only database to work") + } +} + +func TestForeignKeys(t *testing.T) { + cases := map[string]bool{ + "?_foreign_keys=1": true, + "?_foreign_keys=0": false, + } + for option, want := range cases { + fname := TempFilename(t) + uri := "file:" + fname + option + db, err := sql.Open("sqlite3", uri) + if err != nil { + os.Remove(fname) + t.Errorf("sql.Open(\"sqlite3\", %q): %v", uri, err) + continue + } + var enabled bool + err = db.QueryRow("PRAGMA foreign_keys;").Scan(&enabled) + db.Close() + os.Remove(fname) + if err != nil { + t.Errorf("query foreign_keys for %s: %v", uri, err) + continue + } + if enabled != want { + t.Errorf("\"PRAGMA foreign_keys;\" for %q = %t; want %t", uri, enabled, want) + continue + } + } +} + +func TestDeferredForeignKey(t *testing.T) { + fname := TempFilename(t) + uri := "file:" + fname + "?_foreign_keys=1" + db, err := sql.Open("sqlite3", uri) + if err != nil { + os.Remove(fname) + t.Errorf("sql.Open(\"sqlite3\", %q): %v", uri, err) + } + _, err = db.Exec("CREATE TABLE bar (id INTEGER PRIMARY KEY)") + if err != nil { + t.Errorf("failed creating tables: %v", err) + } + _, err = db.Exec("CREATE TABLE foo (bar_id INTEGER, FOREIGN KEY(bar_id) REFERENCES bar(id) DEFERRABLE INITIALLY DEFERRED)") + if err != nil { + t.Errorf("failed creating tables: %v", err) + } + tx, err := db.Begin() + if err != nil { + t.Errorf("Failed to begin transaction: %v", err) + } + _, err = tx.Exec("INSERT INTO foo (bar_id) VALUES (123)") + if err != nil { + t.Errorf("Failed to insert row: %v", err) + } + err = tx.Commit() + if err == nil { + t.Errorf("Expected an error: %v", err) + } + _, err = db.Begin() + if err != nil { + t.Errorf("Failed to begin transaction: %v", err) + } + + db.Close() + os.Remove(fname) +} + +func TestRecursiveTriggers(t *testing.T) { + cases := map[string]bool{ + "?_recursive_triggers=1": true, + "?_recursive_triggers=0": false, + } + for option, want := range cases { + fname := TempFilename(t) + uri := "file:" + fname + option + db, err := sql.Open("sqlite3", uri) + if err != nil { + os.Remove(fname) + t.Errorf("sql.Open(\"sqlite3\", %q): %v", uri, err) + continue + } + var enabled bool + err = db.QueryRow("PRAGMA recursive_triggers;").Scan(&enabled) + db.Close() + os.Remove(fname) + if err != nil { + t.Errorf("query recursive_triggers for %s: %v", uri, err) + continue + } + if enabled != want { + t.Errorf("\"PRAGMA recursive_triggers;\" for %q = %t; want %t", uri, enabled, want) + continue + } + } +} + +func TestClose(t *testing.T) { + tempFilename := TempFilename(t) + defer os.Remove(tempFilename) + db, err := sql.Open("sqlite3", tempFilename) + if err != nil { + t.Fatal("Failed to open database:", err) + } + + _, err = db.Exec("drop table foo") + _, err = db.Exec("create table foo (id integer)") + if err != nil { + t.Fatal("Failed to create table:", err) + } + + stmt, err := db.Prepare("select id from foo where id = ?") + if err != nil { + t.Fatal("Failed to select records:", err) + } + + db.Close() + _, err = stmt.Exec(1) + if err == nil { + t.Fatal("Failed to operate closed statement") + } +} + +func TestInsert(t *testing.T) { + tempFilename := TempFilename(t) + defer os.Remove(tempFilename) + db, err := sql.Open("sqlite3", tempFilename) + if err != nil { + t.Fatal("Failed to open database:", err) + } + defer db.Close() + + _, err = db.Exec("drop table foo") + _, err = db.Exec("create table foo (id integer)") + if err != nil { + t.Fatal("Failed to create table:", err) + } + + res, err := db.Exec("insert into foo(id) values(123)") + if err != nil { + t.Fatal("Failed to insert record:", err) + } + affected, _ := res.RowsAffected() + if affected != 1 { + t.Fatalf("Expected %d for affected rows, but %d:", 1, affected) + } + + rows, err := db.Query("select id from foo") + if err != nil { + t.Fatal("Failed to select records:", err) + } + defer rows.Close() + + rows.Next() + + var result int + rows.Scan(&result) + if result != 123 { + t.Errorf("Expected %d for fetched result, but %d:", 123, result) + } +} + +func TestUpsert(t *testing.T) { + _, n, _ := Version() + if n < 3024000 { + t.Skip("UPSERT requires sqlite3 >= 3.24.0") + } + tempFilename := TempFilename(t) + defer os.Remove(tempFilename) + db, err := sql.Open("sqlite3", tempFilename) + if err != nil { + t.Fatal("Failed to open database:", err) + } + defer db.Close() + + _, err = db.Exec("drop table foo") + _, err = db.Exec("create table foo (name string primary key, counter integer)") + if err != nil { + t.Fatal("Failed to create table:", err) + } + + for i := 0; i < 10; i++ { + res, err := db.Exec("insert into foo(name, counter) values('key', 1) on conflict (name) do update set counter=counter+1") + if err != nil { + t.Fatal("Failed to upsert record:", err) + } + affected, _ := res.RowsAffected() + if affected != 1 { + t.Fatalf("Expected %d for affected rows, but %d:", 1, affected) + } + } + rows, err := db.Query("select name, counter from foo") + if err != nil { + t.Fatal("Failed to select records:", err) + } + defer rows.Close() + + rows.Next() + + var resultName string + var resultCounter int + rows.Scan(&resultName, &resultCounter) + if resultName != "key" { + t.Errorf("Expected %s for fetched result, but %s:", "key", resultName) + } + if resultCounter != 10 { + t.Errorf("Expected %d for fetched result, but %d:", 10, resultCounter) + } + +} + +func TestUpdate(t *testing.T) { + tempFilename := TempFilename(t) + defer os.Remove(tempFilename) + db, err := sql.Open("sqlite3", tempFilename) + if err != nil { + t.Fatal("Failed to open database:", err) + } + defer db.Close() + + _, err = db.Exec("drop table foo") + _, err = db.Exec("create table foo (id integer)") + if err != nil { + t.Fatal("Failed to create table:", err) + } + + res, err := db.Exec("insert into foo(id) values(123)") + if err != nil { + t.Fatal("Failed to insert record:", err) + } + expected, err := res.LastInsertId() + if err != nil { + t.Fatal("Failed to get LastInsertId:", err) + } + affected, _ := res.RowsAffected() + if err != nil { + t.Fatal("Failed to get RowsAffected:", err) + } + if affected != 1 { + t.Fatalf("Expected %d for affected rows, but %d:", 1, affected) + } + + res, err = db.Exec("update foo set id = 234") + if err != nil { + t.Fatal("Failed to update record:", err) + } + lastID, err := res.LastInsertId() + if err != nil { + t.Fatal("Failed to get LastInsertId:", err) + } + if expected != lastID { + t.Errorf("Expected %q for last Id, but %q:", expected, lastID) + } + affected, _ = res.RowsAffected() + if err != nil { + t.Fatal("Failed to get RowsAffected:", err) + } + if affected != 1 { + t.Fatalf("Expected %d for affected rows, but %d:", 1, affected) + } + + rows, err := db.Query("select id from foo") + if err != nil { + t.Fatal("Failed to select records:", err) + } + defer rows.Close() + + rows.Next() + + var result int + rows.Scan(&result) + if result != 234 { + t.Errorf("Expected %d for fetched result, but %d:", 234, result) + } +} + +func TestDelete(t *testing.T) { + tempFilename := TempFilename(t) + defer os.Remove(tempFilename) + db, err := sql.Open("sqlite3", tempFilename) + if err != nil { + t.Fatal("Failed to open database:", err) + } + defer db.Close() + + _, err = db.Exec("drop table foo") + _, err = db.Exec("create table foo (id integer)") + if err != nil { + t.Fatal("Failed to create table:", err) + } + + res, err := db.Exec("insert into foo(id) values(123)") + if err != nil { + t.Fatal("Failed to insert record:", err) + } + expected, err := res.LastInsertId() + if err != nil { + t.Fatal("Failed to get LastInsertId:", err) + } + affected, err := res.RowsAffected() + if err != nil { + t.Fatal("Failed to get RowsAffected:", err) + } + if affected != 1 { + t.Errorf("Expected %d for cout of affected rows, but %q:", 1, affected) + } + + res, err = db.Exec("delete from foo where id = 123") + if err != nil { + t.Fatal("Failed to delete record:", err) + } + lastID, err := res.LastInsertId() + if err != nil { + t.Fatal("Failed to get LastInsertId:", err) + } + if expected != lastID { + t.Errorf("Expected %q for last Id, but %q:", expected, lastID) + } + affected, err = res.RowsAffected() + if err != nil { + t.Fatal("Failed to get RowsAffected:", err) + } + if affected != 1 { + t.Errorf("Expected %d for cout of affected rows, but %q:", 1, affected) + } + + rows, err := db.Query("select id from foo") + if err != nil { + t.Fatal("Failed to select records:", err) + } + defer rows.Close() + + if rows.Next() { + t.Error("Fetched row but expected not rows") + } +} + +func TestBooleanRoundtrip(t *testing.T) { + tempFilename := TempFilename(t) + defer os.Remove(tempFilename) + db, err := sql.Open("sqlite3", tempFilename) + if err != nil { + t.Fatal("Failed to open database:", err) + } + defer db.Close() + + _, err = db.Exec("DROP TABLE foo") + _, err = db.Exec("CREATE TABLE foo(id INTEGER, value BOOL)") + if err != nil { + t.Fatal("Failed to create table:", err) + } + + _, err = db.Exec("INSERT INTO foo(id, value) VALUES(1, ?)", true) + if err != nil { + t.Fatal("Failed to insert true value:", err) + } + + _, err = db.Exec("INSERT INTO foo(id, value) VALUES(2, ?)", false) + if err != nil { + t.Fatal("Failed to insert false value:", err) + } + + rows, err := db.Query("SELECT id, value FROM foo") + if err != nil { + t.Fatal("Unable to query foo table:", err) + } + defer rows.Close() + + for rows.Next() { + var id int + var value bool + + if err := rows.Scan(&id, &value); err != nil { + t.Error("Unable to scan results:", err) + continue + } + + if id == 1 && !value { + t.Error("Value for id 1 should be true, not false") + + } else if id == 2 && value { + t.Error("Value for id 2 should be false, not true") + } + } +} + +func timezone(t time.Time) string { return t.Format("-07:00") } + +func TestTimestamp(t *testing.T) { + tempFilename := TempFilename(t) + defer os.Remove(tempFilename) + db, err := sql.Open("sqlite3", tempFilename) + if err != nil { + t.Fatal("Failed to open database:", err) + } + defer db.Close() + + _, err = db.Exec("DROP TABLE foo") + _, err = db.Exec("CREATE TABLE foo(id INTEGER, ts timeSTAMP, dt DATETIME)") + if err != nil { + t.Fatal("Failed to create table:", err) + } + + timestamp1 := time.Date(2012, time.April, 6, 22, 50, 0, 0, time.UTC) + timestamp2 := time.Date(2006, time.January, 2, 15, 4, 5, 123456789, time.UTC) + timestamp3 := time.Date(2012, time.November, 4, 0, 0, 0, 0, time.UTC) + tzTest := time.FixedZone("TEST", -9*3600-13*60) + tests := []struct { + value interface{} + expected time.Time + }{ + {"nonsense", time.Time{}}, + {"0000-00-00 00:00:00", time.Time{}}, + {time.Time{}.Unix(), time.Time{}}, + {timestamp1, timestamp1}, + {timestamp2.Unix(), timestamp2.Truncate(time.Second)}, + {timestamp2.UnixNano() / int64(time.Millisecond), timestamp2.Truncate(time.Millisecond)}, + {timestamp1.In(tzTest), timestamp1.In(tzTest)}, + {timestamp1.Format("2006-01-02 15:04:05.000"), timestamp1}, + {timestamp1.Format("2006-01-02T15:04:05.000"), timestamp1}, + {timestamp1.Format("2006-01-02 15:04:05"), timestamp1}, + {timestamp1.Format("2006-01-02T15:04:05"), timestamp1}, + {timestamp2, timestamp2}, + {"2006-01-02 15:04:05.123456789", timestamp2}, + {"2006-01-02T15:04:05.123456789", timestamp2}, + {"2006-01-02T05:51:05.123456789-09:13", timestamp2.In(tzTest)}, + {"2012-11-04", timestamp3}, + {"2012-11-04 00:00", timestamp3}, + {"2012-11-04 00:00:00", timestamp3}, + {"2012-11-04 00:00:00.000", timestamp3}, + {"2012-11-04T00:00", timestamp3}, + {"2012-11-04T00:00:00", timestamp3}, + {"2012-11-04T00:00:00.000", timestamp3}, + {"2006-01-02T15:04:05.123456789Z", timestamp2}, + {"2012-11-04Z", timestamp3}, + {"2012-11-04 00:00Z", timestamp3}, + {"2012-11-04 00:00:00Z", timestamp3}, + {"2012-11-04 00:00:00.000Z", timestamp3}, + {"2012-11-04T00:00Z", timestamp3}, + {"2012-11-04T00:00:00Z", timestamp3}, + {"2012-11-04T00:00:00.000Z", timestamp3}, + } + for i := range tests { + _, err = db.Exec("INSERT INTO foo(id, ts, dt) VALUES(?, ?, ?)", i, tests[i].value, tests[i].value) + if err != nil { + t.Fatal("Failed to insert timestamp:", err) + } + } + + rows, err := db.Query("SELECT id, ts, dt FROM foo ORDER BY id ASC") + if err != nil { + t.Fatal("Unable to query foo table:", err) + } + defer rows.Close() + + seen := 0 + for rows.Next() { + var id int + var ts, dt time.Time + + if err := rows.Scan(&id, &ts, &dt); err != nil { + t.Error("Unable to scan results:", err) + continue + } + if id < 0 || id >= len(tests) { + t.Error("Bad row id: ", id) + continue + } + seen++ + if !tests[id].expected.Equal(ts) { + t.Errorf("Timestamp value for id %v (%v) should be %v, not %v", id, tests[id].value, tests[id].expected, dt) + } + if !tests[id].expected.Equal(dt) { + t.Errorf("Datetime value for id %v (%v) should be %v, not %v", id, tests[id].value, tests[id].expected, dt) + } + if timezone(tests[id].expected) != timezone(ts) { + t.Errorf("Timezone for id %v (%v) should be %v, not %v", id, tests[id].value, + timezone(tests[id].expected), timezone(ts)) + } + if timezone(tests[id].expected) != timezone(dt) { + t.Errorf("Timezone for id %v (%v) should be %v, not %v", id, tests[id].value, + timezone(tests[id].expected), timezone(dt)) + } + } + + if seen != len(tests) { + t.Errorf("Expected to see %d rows", len(tests)) + } +} + +func TestBoolean(t *testing.T) { + tempFilename := TempFilename(t) + defer os.Remove(tempFilename) + db, err := sql.Open("sqlite3", tempFilename) + if err != nil { + t.Fatal("Failed to open database:", err) + } + + defer db.Close() + + _, err = db.Exec("CREATE TABLE foo(id INTEGER, fbool BOOLEAN)") + if err != nil { + t.Fatal("Failed to create table:", err) + } + + bool1 := true + _, err = db.Exec("INSERT INTO foo(id, fbool) VALUES(1, ?)", bool1) + if err != nil { + t.Fatal("Failed to insert boolean:", err) + } + + bool2 := false + _, err = db.Exec("INSERT INTO foo(id, fbool) VALUES(2, ?)", bool2) + if err != nil { + t.Fatal("Failed to insert boolean:", err) + } + + bool3 := "nonsense" + _, err = db.Exec("INSERT INTO foo(id, fbool) VALUES(3, ?)", bool3) + if err != nil { + t.Fatal("Failed to insert nonsense:", err) + } + + rows, err := db.Query("SELECT id, fbool FROM foo where fbool = ?", bool1) + if err != nil { + t.Fatal("Unable to query foo table:", err) + } + counter := 0 + + var id int + var fbool bool + + for rows.Next() { + if err := rows.Scan(&id, &fbool); err != nil { + t.Fatal("Unable to scan results:", err) + } + counter++ + } + + if counter != 1 { + t.Fatalf("Expected 1 row but %v", counter) + } + + if id != 1 && !fbool { + t.Fatalf("Value for id 1 should be %v, not %v", bool1, fbool) + } + + rows, err = db.Query("SELECT id, fbool FROM foo where fbool = ?", bool2) + if err != nil { + t.Fatal("Unable to query foo table:", err) + } + + counter = 0 + + for rows.Next() { + if err := rows.Scan(&id, &fbool); err != nil { + t.Fatal("Unable to scan results:", err) + } + counter++ + } + + if counter != 1 { + t.Fatalf("Expected 1 row but %v", counter) + } + + if id != 2 && fbool { + t.Fatalf("Value for id 2 should be %v, not %v", bool2, fbool) + } + + // make sure "nonsense" triggered an error + rows, err = db.Query("SELECT id, fbool FROM foo where id=?;", 3) + if err != nil { + t.Fatal("Unable to query foo table:", err) + } + + rows.Next() + err = rows.Scan(&id, &fbool) + if err == nil { + t.Error("Expected error from \"nonsense\" bool") + } +} + +func TestFloat32(t *testing.T) { + tempFilename := TempFilename(t) + defer os.Remove(tempFilename) + db, err := sql.Open("sqlite3", tempFilename) + if err != nil { + t.Fatal("Failed to open database:", err) + } + defer db.Close() + + _, err = db.Exec("CREATE TABLE foo(id INTEGER)") + if err != nil { + t.Fatal("Failed to create table:", err) + } + + _, err = db.Exec("INSERT INTO foo(id) VALUES(null)") + if err != nil { + t.Fatal("Failed to insert null:", err) + } + + rows, err := db.Query("SELECT id FROM foo") + if err != nil { + t.Fatal("Unable to query foo table:", err) + } + + if !rows.Next() { + t.Fatal("Unable to query results:", err) + } + + var id interface{} + if err := rows.Scan(&id); err != nil { + t.Fatal("Unable to scan results:", err) + } + if id != nil { + t.Error("Expected nil but not") + } +} + +func TestNull(t *testing.T) { + tempFilename := TempFilename(t) + defer os.Remove(tempFilename) + db, err := sql.Open("sqlite3", tempFilename) + if err != nil { + t.Fatal("Failed to open database:", err) + } + defer db.Close() + + rows, err := db.Query("SELECT 3.141592") + if err != nil { + t.Fatal("Unable to query foo table:", err) + } + + if !rows.Next() { + t.Fatal("Unable to query results:", err) + } + + var v interface{} + if err := rows.Scan(&v); err != nil { + t.Fatal("Unable to scan results:", err) + } + f, ok := v.(float64) + if !ok { + t.Error("Expected float but not") + } + if f != 3.141592 { + t.Error("Expected 3.141592 but not") + } +} + +func TestTransaction(t *testing.T) { + tempFilename := TempFilename(t) + defer os.Remove(tempFilename) + db, err := sql.Open("sqlite3", tempFilename) + if err != nil { + t.Fatal("Failed to open database:", err) + } + defer db.Close() + + _, err = db.Exec("CREATE TABLE foo(id INTEGER)") + if err != nil { + t.Fatal("Failed to create table:", err) + } + + tx, err := db.Begin() + if err != nil { + t.Fatal("Failed to begin transaction:", err) + } + + _, err = tx.Exec("INSERT INTO foo(id) VALUES(1)") + if err != nil { + t.Fatal("Failed to insert null:", err) + } + + rows, err := tx.Query("SELECT id from foo") + if err != nil { + t.Fatal("Unable to query foo table:", err) + } + + err = tx.Rollback() + if err != nil { + t.Fatal("Failed to rollback transaction:", err) + } + + if rows.Next() { + t.Fatal("Unable to query results:", err) + } + + tx, err = db.Begin() + if err != nil { + t.Fatal("Failed to begin transaction:", err) + } + + _, err = tx.Exec("INSERT INTO foo(id) VALUES(1)") + if err != nil { + t.Fatal("Failed to insert null:", err) + } + + err = tx.Commit() + if err != nil { + t.Fatal("Failed to commit transaction:", err) + } + + rows, err = tx.Query("SELECT id from foo") + if err == nil { + t.Fatal("Expected failure to query") + } +} + +func TestWAL(t *testing.T) { + tempFilename := TempFilename(t) + defer os.Remove(tempFilename) + db, err := sql.Open("sqlite3", tempFilename) + if err != nil { + t.Fatal("Failed to open database:", err) + } + defer db.Close() + + if _, err = db.Exec("PRAGMA journal_mode=WAL;"); err != nil { + t.Fatal("Failed to Exec PRAGMA journal_mode:", err) + } + if _, err = db.Exec("PRAGMA locking_mode=EXCLUSIVE;"); err != nil { + t.Fatal("Failed to Exec PRAGMA locking_mode:", err) + } + if _, err = db.Exec("CREATE TABLE test (id SERIAL, user TEXT NOT NULL, name TEXT NOT NULL);"); err != nil { + t.Fatal("Failed to Exec CREATE TABLE:", err) + } + if _, err = db.Exec("INSERT INTO test (user, name) VALUES ('user','name');"); err != nil { + t.Fatal("Failed to Exec INSERT:", err) + } + + trans, err := db.Begin() + if err != nil { + t.Fatal("Failed to Begin:", err) + } + s, err := trans.Prepare("INSERT INTO test (user, name) VALUES (?, ?);") + if err != nil { + t.Fatal("Failed to Prepare:", err) + } + + var count int + if err = trans.QueryRow("SELECT count(user) FROM test;").Scan(&count); err != nil { + t.Fatal("Failed to QueryRow:", err) + } + if _, err = s.Exec("bbbb", "aaaa"); err != nil { + t.Fatal("Failed to Exec prepared statement:", err) + } + if err = s.Close(); err != nil { + t.Fatal("Failed to Close prepared statement:", err) + } + if err = trans.Commit(); err != nil { + t.Fatal("Failed to Commit:", err) + } +} + +func TestTimezoneConversion(t *testing.T) { + zones := []string{"UTC", "US/Central", "US/Pacific", "Local"} + for _, tz := range zones { + tempFilename := TempFilename(t) + defer os.Remove(tempFilename) + db, err := sql.Open("sqlite3", tempFilename+"?_loc="+url.QueryEscape(tz)) + if err != nil { + t.Fatal("Failed to open database:", err) + } + defer db.Close() + + _, err = db.Exec("DROP TABLE foo") + _, err = db.Exec("CREATE TABLE foo(id INTEGER, ts TIMESTAMP, dt DATETIME)") + if err != nil { + t.Fatal("Failed to create table:", err) + } + + loc, err := time.LoadLocation(tz) + if err != nil { + t.Fatal("Failed to load location:", err) + } + + timestamp1 := time.Date(2012, time.April, 6, 22, 50, 0, 0, time.UTC) + timestamp2 := time.Date(2006, time.January, 2, 15, 4, 5, 123456789, time.UTC) + timestamp3 := time.Date(2012, time.November, 4, 0, 0, 0, 0, time.UTC) + tests := []struct { + value interface{} + expected time.Time + }{ + {"nonsense", time.Time{}.In(loc)}, + {"0000-00-00 00:00:00", time.Time{}.In(loc)}, + {timestamp1, timestamp1.In(loc)}, + {timestamp1.Unix(), timestamp1.In(loc)}, + {timestamp1.In(time.FixedZone("TEST", -7*3600)), timestamp1.In(loc)}, + {timestamp1.Format("2006-01-02 15:04:05.000"), timestamp1.In(loc)}, + {timestamp1.Format("2006-01-02T15:04:05.000"), timestamp1.In(loc)}, + {timestamp1.Format("2006-01-02 15:04:05"), timestamp1.In(loc)}, + {timestamp1.Format("2006-01-02T15:04:05"), timestamp1.In(loc)}, + {timestamp2, timestamp2.In(loc)}, + {"2006-01-02 15:04:05.123456789", timestamp2.In(loc)}, + {"2006-01-02T15:04:05.123456789", timestamp2.In(loc)}, + {"2012-11-04", timestamp3.In(loc)}, + {"2012-11-04 00:00", timestamp3.In(loc)}, + {"2012-11-04 00:00:00", timestamp3.In(loc)}, + {"2012-11-04 00:00:00.000", timestamp3.In(loc)}, + {"2012-11-04T00:00", timestamp3.In(loc)}, + {"2012-11-04T00:00:00", timestamp3.In(loc)}, + {"2012-11-04T00:00:00.000", timestamp3.In(loc)}, + } + for i := range tests { + _, err = db.Exec("INSERT INTO foo(id, ts, dt) VALUES(?, ?, ?)", i, tests[i].value, tests[i].value) + if err != nil { + t.Fatal("Failed to insert timestamp:", err) + } + } + + rows, err := db.Query("SELECT id, ts, dt FROM foo ORDER BY id ASC") + if err != nil { + t.Fatal("Unable to query foo table:", err) + } + defer rows.Close() + + seen := 0 + for rows.Next() { + var id int + var ts, dt time.Time + + if err := rows.Scan(&id, &ts, &dt); err != nil { + t.Error("Unable to scan results:", err) + continue + } + if id < 0 || id >= len(tests) { + t.Error("Bad row id: ", id) + continue + } + seen++ + if !tests[id].expected.Equal(ts) { + t.Errorf("Timestamp value for id %v (%v) should be %v, not %v", id, tests[id].value, tests[id].expected, ts) + } + if !tests[id].expected.Equal(dt) { + t.Errorf("Datetime value for id %v (%v) should be %v, not %v", id, tests[id].value, tests[id].expected, dt) + } + if tests[id].expected.Location().String() != ts.Location().String() { + t.Errorf("Location for id %v (%v) should be %v, not %v", id, tests[id].value, tests[id].expected.Location().String(), ts.Location().String()) + } + if tests[id].expected.Location().String() != dt.Location().String() { + t.Errorf("Location for id %v (%v) should be %v, not %v", id, tests[id].value, tests[id].expected.Location().String(), dt.Location().String()) + } + } + + if seen != len(tests) { + t.Errorf("Expected to see %d rows", len(tests)) + } + } +} + +// TODO: Execer & Queryer currently disabled +// https://github.com/mattn/go-sqlite3/issues/82 +func TestExecer(t *testing.T) { + tempFilename := TempFilename(t) + defer os.Remove(tempFilename) + db, err := sql.Open("sqlite3", tempFilename) + if err != nil { + t.Fatal("Failed to open database:", err) + } + defer db.Close() + + _, err = db.Exec(` + create table foo (id integer); -- one comment + insert into foo(id) values(?); + insert into foo(id) values(?); + insert into foo(id) values(?); -- another comment + `, 1, 2, 3) + if err != nil { + t.Error("Failed to call db.Exec:", err) + } +} + +func TestQueryer(t *testing.T) { + tempFilename := TempFilename(t) + defer os.Remove(tempFilename) + db, err := sql.Open("sqlite3", tempFilename) + if err != nil { + t.Fatal("Failed to open database:", err) + } + defer db.Close() + + _, err = db.Exec(` + create table foo (id integer); + `) + if err != nil { + t.Error("Failed to call db.Query:", err) + } + + _, err = db.Exec(` + insert into foo(id) values(?); + insert into foo(id) values(?); + insert into foo(id) values(?); + `, 3, 2, 1) + if err != nil { + t.Error("Failed to call db.Exec:", err) + } + rows, err := db.Query(` + select id from foo order by id; + `) + if err != nil { + t.Error("Failed to call db.Query:", err) + } + defer rows.Close() + n := 0 + for rows.Next() { + var id int + err = rows.Scan(&id) + if err != nil { + t.Error("Failed to db.Query:", err) + } + if id != n + 1 { + t.Error("Failed to db.Query: not matched results") + } + n = n + 1 + } + if err := rows.Err(); err != nil { + t.Errorf("Post-scan failed: %v\n", err) + } + if n != 3 { + t.Errorf("Expected 3 rows but retrieved %v", n) + } +} + +func TestStress(t *testing.T) { + tempFilename := TempFilename(t) + defer os.Remove(tempFilename) + db, err := sql.Open("sqlite3", tempFilename) + if err != nil { + t.Fatal("Failed to open database:", err) + } + db.Exec("CREATE TABLE foo (id int);") + db.Exec("INSERT INTO foo VALUES(1);") + db.Exec("INSERT INTO foo VALUES(2);") + db.Close() + + for i := 0; i < 10000; i++ { + db, err := sql.Open("sqlite3", tempFilename) + if err != nil { + t.Fatal("Failed to open database:", err) + } + + for j := 0; j < 3; j++ { + rows, err := db.Query("select * from foo where id=1;") + if err != nil { + t.Error("Failed to call db.Query:", err) + } + for rows.Next() { + var i int + if err := rows.Scan(&i); err != nil { + t.Errorf("Scan failed: %v\n", err) + } + } + if err := rows.Err(); err != nil { + t.Errorf("Post-scan failed: %v\n", err) + } + rows.Close() + } + db.Close() + } +} + +func TestDateTimeLocal(t *testing.T) { + zone := "Asia/Tokyo" + tempFilename := TempFilename(t) + defer os.Remove(tempFilename) + db, err := sql.Open("sqlite3", tempFilename+"?_loc="+zone) + if err != nil { + t.Fatal("Failed to open database:", err) + } + db.Exec("CREATE TABLE foo (dt datetime);") + db.Exec("INSERT INTO foo VALUES('2015-03-05 15:16:17');") + + row := db.QueryRow("select * from foo") + var d time.Time + err = row.Scan(&d) + if err != nil { + t.Fatal("Failed to scan datetime:", err) + } + if d.Hour() == 15 || !strings.Contains(d.String(), "JST") { + t.Fatal("Result should have timezone", d) + } + db.Close() + + db, err = sql.Open("sqlite3", tempFilename) + if err != nil { + t.Fatal("Failed to open database:", err) + } + + row = db.QueryRow("select * from foo") + err = row.Scan(&d) + if err != nil { + t.Fatal("Failed to scan datetime:", err) + } + if d.UTC().Hour() != 15 || !strings.Contains(d.String(), "UTC") { + t.Fatalf("Result should not have timezone %v %v", zone, d.String()) + } + + _, err = db.Exec("DELETE FROM foo") + if err != nil { + t.Fatal("Failed to delete table:", err) + } + dt, err := time.Parse("2006/1/2 15/4/5 -0700 MST", "2015/3/5 15/16/17 +0900 JST") + if err != nil { + t.Fatal("Failed to parse datetime:", err) + } + db.Exec("INSERT INTO foo VALUES(?);", dt) + + db.Close() + db, err = sql.Open("sqlite3", tempFilename+"?_loc="+zone) + if err != nil { + t.Fatal("Failed to open database:", err) + } + + row = db.QueryRow("select * from foo") + err = row.Scan(&d) + if err != nil { + t.Fatal("Failed to scan datetime:", err) + } + if d.Hour() != 15 || !strings.Contains(d.String(), "JST") { + t.Fatalf("Result should have timezone %v %v", zone, d.String()) + } +} + +func TestVersion(t *testing.T) { + s, n, id := Version() + if s == "" || n == 0 || id == "" { + t.Errorf("Version failed %q, %d, %q\n", s, n, id) + } +} + +func TestStringContainingZero(t *testing.T) { + tempFilename := TempFilename(t) + defer os.Remove(tempFilename) + db, err := sql.Open("sqlite3", tempFilename) + if err != nil { + t.Fatal("Failed to open database:", err) + } + defer db.Close() + + _, err = db.Exec(` + create table foo (id integer, name, extra text); + `) + if err != nil { + t.Error("Failed to call db.Query:", err) + } + + const text = "foo\x00bar" + + _, err = db.Exec(`insert into foo(id, name, extra) values($1, $2, $2)`, 1, text) + if err != nil { + t.Error("Failed to call db.Exec:", err) + } + + row := db.QueryRow(`select id, extra from foo where id = $1 and extra = $2`, 1, text) + if row == nil { + t.Error("Failed to call db.QueryRow") + } + + var id int + var extra string + err = row.Scan(&id, &extra) + if err != nil { + t.Error("Failed to db.Scan:", err) + } + if id != 1 || extra != text { + t.Error("Failed to db.QueryRow: not matched results") + } +} + +const CurrentTimeStamp = "2006-01-02 15:04:05" + +type TimeStamp struct{ *time.Time } + +func (t TimeStamp) Scan(value interface{}) error { + var err error + switch v := value.(type) { + case string: + *t.Time, err = time.Parse(CurrentTimeStamp, v) + case []byte: + *t.Time, err = time.Parse(CurrentTimeStamp, string(v)) + default: + err = errors.New("invalid type for current_timestamp") + } + return err +} + +func (t TimeStamp) Value() (driver.Value, error) { + return t.Time.Format(CurrentTimeStamp), nil +} + +func TestDateTimeNow(t *testing.T) { + tempFilename := TempFilename(t) + defer os.Remove(tempFilename) + db, err := sql.Open("sqlite3", tempFilename) + if err != nil { + t.Fatal("Failed to open database:", err) + } + defer db.Close() + + var d time.Time + err = db.QueryRow("SELECT datetime('now')").Scan(TimeStamp{&d}) + if err != nil { + t.Fatal("Failed to scan datetime:", err) + } +} + +func TestFunctionRegistration(t *testing.T) { + addi8_16_32 := func(a int8, b int16) int32 { return int32(a) + int32(b) } + addi64 := func(a, b int64) int64 { return a + b } + addu8_16_32 := func(a uint8, b uint16) uint32 { return uint32(a) + uint32(b) } + addu64 := func(a, b uint64) uint64 { return a + b } + addiu := func(a int, b uint) int64 { return int64(a) + int64(b) } + addf32_64 := func(a float32, b float64) float64 { return float64(a) + b } + not := func(a bool) bool { return !a } + regex := func(re, s string) (bool, error) { + return regexp.MatchString(re, s) + } + generic := func(a interface{}) int64 { + switch a.(type) { + case int64: + return 1 + case float64: + return 2 + case []byte: + return 3 + case string: + return 4 + default: + panic("unreachable") + } + } + variadic := func(a, b int64, c ...int64) int64 { + ret := a + b + for _, d := range c { + ret += d + } + return ret + } + variadicGeneric := func(a ...interface{}) int64 { + return int64(len(a)) + } + + sql.Register("sqlite3_FunctionRegistration", &SQLiteDriver{ + ConnectHook: func(conn *SQLiteConn) error { + if err := conn.RegisterFunc("addi8_16_32", addi8_16_32, true); err != nil { + return err + } + if err := conn.RegisterFunc("addi64", addi64, true); err != nil { + return err + } + if err := conn.RegisterFunc("addu8_16_32", addu8_16_32, true); err != nil { + return err + } + if err := conn.RegisterFunc("addu64", addu64, true); err != nil { + return err + } + if err := conn.RegisterFunc("addiu", addiu, true); err != nil { + return err + } + if err := conn.RegisterFunc("addf32_64", addf32_64, true); err != nil { + return err + } + if err := conn.RegisterFunc("not", not, true); err != nil { + return err + } + if err := conn.RegisterFunc("regex", regex, true); err != nil { + return err + } + if err := conn.RegisterFunc("generic", generic, true); err != nil { + return err + } + if err := conn.RegisterFunc("variadic", variadic, true); err != nil { + return err + } + if err := conn.RegisterFunc("variadicGeneric", variadicGeneric, true); err != nil { + return err + } + return nil + }, + }) + db, err := sql.Open("sqlite3_FunctionRegistration", ":memory:") + if err != nil { + t.Fatal("Failed to open database:", err) + } + defer db.Close() + + ops := []struct { + query string + expected interface{} + }{ + {"SELECT addi8_16_32(1,2)", int32(3)}, + {"SELECT addi64(1,2)", int64(3)}, + {"SELECT addu8_16_32(1,2)", uint32(3)}, + {"SELECT addu64(1,2)", uint64(3)}, + {"SELECT addiu(1,2)", int64(3)}, + {"SELECT addf32_64(1.5,1.5)", float64(3)}, + {"SELECT not(1)", false}, + {"SELECT not(0)", true}, + {`SELECT regex('^foo.*', 'foobar')`, true}, + {`SELECT regex('^foo.*', 'barfoobar')`, false}, + {"SELECT generic(1)", int64(1)}, + {"SELECT generic(1.1)", int64(2)}, + {`SELECT generic(NULL)`, int64(3)}, + {`SELECT generic('foo')`, int64(4)}, + {"SELECT variadic(1,2)", int64(3)}, + {"SELECT variadic(1,2,3,4)", int64(10)}, + {"SELECT variadic(1,1,1,1,1,1,1,1,1,1)", int64(10)}, + {`SELECT variadicGeneric(1,'foo',2.3, NULL)`, int64(4)}, + } + + for _, op := range ops { + ret := reflect.New(reflect.TypeOf(op.expected)) + err = db.QueryRow(op.query).Scan(ret.Interface()) + if err != nil { + t.Errorf("Query %q failed: %s", op.query, err) + } else if !reflect.DeepEqual(ret.Elem().Interface(), op.expected) { + t.Errorf("Query %q returned wrong value: got %v (%T), want %v (%T)", op.query, ret.Elem().Interface(), ret.Elem().Interface(), op.expected, op.expected) + } + } +} + +type sumAggregator int64 + +func (s *sumAggregator) Step(x int64) { + *s += sumAggregator(x) +} + +func (s *sumAggregator) Done() int64 { + return int64(*s) +} + +func TestAggregatorRegistration(t *testing.T) { + customSum := func() *sumAggregator { + var ret sumAggregator + return &ret + } + + sql.Register("sqlite3_AggregatorRegistration", &SQLiteDriver{ + ConnectHook: func(conn *SQLiteConn) error { + return conn.RegisterAggregator("customSum", customSum, true) + }, + }) + db, err := sql.Open("sqlite3_AggregatorRegistration", ":memory:") + if err != nil { + t.Fatal("Failed to open database:", err) + } + defer db.Close() + + _, err = db.Exec("create table foo (department integer, profits integer)") + if err != nil { + // trace feature is not implemented + t.Skip("Failed to create table:", err) + } + + _, err = db.Exec("insert into foo values (1, 10), (1, 20), (2, 42)") + if err != nil { + t.Fatal("Failed to insert records:", err) + } + + tests := []struct { + dept, sum int64 + }{ + {1, 30}, + {2, 42}, + } + + for _, test := range tests { + var ret int64 + err = db.QueryRow("select customSum(profits) from foo where department = $1 group by department", test.dept).Scan(&ret) + if err != nil { + t.Fatal("Query failed:", err) + } + if ret != test.sum { + t.Fatalf("Custom sum returned wrong value, got %d, want %d", ret, test.sum) + } + } +} + +type mode struct { + counts map[interface{}]int + top interface{} + topCount int +} + +func newMode() *mode { + return &mode{ + counts: map[interface{}]int{}, + } +} + +func (m *mode) Step(x interface{}) { + m.counts[x]++ + c := m.counts[x] + if c > m.topCount { + m.top = x + m.topCount = c + } +} + +func (m *mode) Done() interface{} { + return m.top +} + +func TestAggregatorRegistration_GenericReturn(t *testing.T) { + sql.Register("sqlite3_AggregatorRegistration_GenericReturn", &SQLiteDriver{ + ConnectHook: func(conn *SQLiteConn) error { + return conn.RegisterAggregator("mode", newMode, true) + }, + }) + db, err := sql.Open("sqlite3_AggregatorRegistration_GenericReturn", ":memory:") + if err != nil { + t.Fatal("Failed to open database:", err) + } + defer db.Close() + + _, err = db.Exec("create table foo (department integer, profits integer)") + if err != nil { + t.Fatal("Failed to create table:", err) + } + _, err = db.Exec("insert into foo values (1, 10), (1, 20), (1, 45), (2, 42), (2, 115), (2, 20)") + if err != nil { + t.Fatal("Failed to insert records:", err) + } + + var mode int + err = db.QueryRow("select mode(profits) from foo").Scan(&mode) + if err != nil { + t.Fatal("MODE query error:", err) + } + + if mode != 20 { + t.Fatal("Got incorrect mode. Wanted 20, got: ", mode) + } +} + +func rot13(r rune) rune { + switch { + case r >= 'A' && r <= 'Z': + return 'A' + (r-'A'+13)%26 + case r >= 'a' && r <= 'z': + return 'a' + (r-'a'+13)%26 + } + return r +} + +func TestCollationRegistration(t *testing.T) { + collateRot13 := func(a, b string) int { + ra, rb := strings.Map(rot13, a), strings.Map(rot13, b) + return strings.Compare(ra, rb) + } + collateRot13Reverse := func(a, b string) int { + return collateRot13(b, a) + } + + sql.Register("sqlite3_CollationRegistration", &SQLiteDriver{ + ConnectHook: func(conn *SQLiteConn) error { + if err := conn.RegisterCollation("rot13", collateRot13); err != nil { + return err + } + if err := conn.RegisterCollation("rot13reverse", collateRot13Reverse); err != nil { + return err + } + return nil + }, + }) + + db, err := sql.Open("sqlite3_CollationRegistration", ":memory:") + if err != nil { + t.Fatal("Failed to open database:", err) + } + defer db.Close() + + populate := []string{ + `CREATE TABLE test (s TEXT)`, + `INSERT INTO test VALUES ('aaaa')`, + `INSERT INTO test VALUES ('ffff')`, + `INSERT INTO test VALUES ('qqqq')`, + `INSERT INTO test VALUES ('tttt')`, + `INSERT INTO test VALUES ('zzzz')`, + } + for _, stmt := range populate { + if _, err := db.Exec(stmt); err != nil { + t.Fatal("Failed to populate test DB:", err) + } + } + + ops := []struct { + query string + want []string + }{ + { + "SELECT * FROM test ORDER BY s COLLATE rot13 ASC", + []string{ + "qqqq", + "tttt", + "zzzz", + "aaaa", + "ffff", + }, + }, + { + "SELECT * FROM test ORDER BY s COLLATE rot13 DESC", + []string{ + "ffff", + "aaaa", + "zzzz", + "tttt", + "qqqq", + }, + }, + { + "SELECT * FROM test ORDER BY s COLLATE rot13reverse ASC", + []string{ + "ffff", + "aaaa", + "zzzz", + "tttt", + "qqqq", + }, + }, + { + "SELECT * FROM test ORDER BY s COLLATE rot13reverse DESC", + []string{ + "qqqq", + "tttt", + "zzzz", + "aaaa", + "ffff", + }, + }, + } + + for _, op := range ops { + rows, err := db.Query(op.query) + if err != nil { + t.Fatalf("Query %q failed: %s", op.query, err) + } + got := []string{} + defer rows.Close() + for rows.Next() { + var s string + if err = rows.Scan(&s); err != nil { + t.Fatalf("Reading row for %q: %s", op.query, err) + } + got = append(got, s) + } + if err = rows.Err(); err != nil { + t.Fatalf("Reading rows for %q: %s", op.query, err) + } + + if !reflect.DeepEqual(got, op.want) { + t.Fatalf("Unexpected output from %q\ngot:\n%s\n\nwant:\n%s", op.query, strings.Join(got, "\n"), strings.Join(op.want, "\n")) + } + } +} + +func TestDeclTypes(t *testing.T) { + + d := SQLiteDriver{} + + conn, err := d.Open(":memory:") + if err != nil { + t.Fatal("Failed to begin transaction:", err) + } + defer conn.Close() + + sqlite3conn := conn.(*SQLiteConn) + + _, err = sqlite3conn.Exec("create table foo (id integer not null primary key, name text)", nil) + if err != nil { + t.Fatal("Failed to create table:", err) + } + + _, err = sqlite3conn.Exec("insert into foo(name) values('bar')", nil) + if err != nil { + t.Fatal("Failed to insert:", err) + } + + rs, err := sqlite3conn.Query("select * from foo", nil) + if err != nil { + t.Fatal("Failed to select:", err) + } + defer rs.Close() + + declTypes := rs.(*SQLiteRows).DeclTypes() + + if !reflect.DeepEqual(declTypes, []string{"integer", "text"}) { + t.Fatal("Unexpected declTypes:", declTypes) + } +} + +func TestPinger(t *testing.T) { + db, err := sql.Open("sqlite3", ":memory:") + if err != nil { + t.Fatal(err) + } + err = db.Ping() + if err != nil { + t.Fatal(err) + } + db.Close() + err = db.Ping() + if err == nil { + t.Fatal("Should be closed") + } +} + +func TestUpdateAndTransactionHooks(t *testing.T) { + var events []string + var commitHookReturn = 0 + + sql.Register("sqlite3_UpdateHook", &SQLiteDriver{ + ConnectHook: func(conn *SQLiteConn) error { + conn.RegisterCommitHook(func() int { + events = append(events, "commit") + return commitHookReturn + }) + conn.RegisterRollbackHook(func() { + events = append(events, "rollback") + }) + conn.RegisterUpdateHook(func(op int, db string, table string, rowid int64) { + events = append(events, fmt.Sprintf("update(op=%v db=%v table=%v rowid=%v)", op, db, table, rowid)) + }) + return nil + }, + }) + db, err := sql.Open("sqlite3_UpdateHook", ":memory:") + if err != nil { + t.Fatal("Failed to open database:", err) + } + defer db.Close() + + statements := []string{ + "create table foo (id integer primary key)", + "insert into foo values (9)", + "update foo set id = 99 where id = 9", + "delete from foo where id = 99", + } + for _, statement := range statements { + _, err = db.Exec(statement) + if err != nil { + t.Fatalf("Unable to prepare test data [%v]: %v", statement, err) + } + } + + commitHookReturn = 1 + _, err = db.Exec("insert into foo values (5)") + if err == nil { + t.Error("Commit hook failed to rollback transaction") + } + + var expected = []string{ + "commit", + fmt.Sprintf("update(op=%v db=main table=foo rowid=9)", SQLITE_INSERT), + "commit", + fmt.Sprintf("update(op=%v db=main table=foo rowid=99)", SQLITE_UPDATE), + "commit", + fmt.Sprintf("update(op=%v db=main table=foo rowid=99)", SQLITE_DELETE), + "commit", + fmt.Sprintf("update(op=%v db=main table=foo rowid=5)", SQLITE_INSERT), + "commit", + "rollback", + } + if !reflect.DeepEqual(events, expected) { + t.Errorf("Expected notifications %v but got %v", expected, events) + } +} + +func TestAuthorizer(t *testing.T) { + var authorizerReturn = 0 + + sql.Register("sqlite3_Authorizer", &SQLiteDriver{ + ConnectHook: func(conn *SQLiteConn) error { + conn.RegisterAuthorizer(func(op int, arg1, arg2, arg3 string) int { + return authorizerReturn + }) + return nil + }, + }) + db, err := sql.Open("sqlite3_Authorizer", ":memory:") + if err != nil { + t.Fatal("Failed to open database:", err) + } + defer db.Close() + + statements := []string{ + "create table foo (id integer primary key, name varchar)", + "insert into foo values (9, 'test9')", + "update foo set name = 'test99' where id = 9", + "select * from foo", + } + + authorizerReturn = SQLITE_OK + for _, statement := range statements { + _, err = db.Exec(statement) + if err != nil { + t.Fatalf("No error expected [%v]: %v", statement, err) + } + } + + authorizerReturn = SQLITE_DENY + for _, statement := range statements { + _, err = db.Exec(statement) + if err == nil { + t.Fatalf("Authorizer didn't worked - nil received, but error expected: [%v]", statement) + } + } +} + +func TestSetFileControlInt(t *testing.T) { + t.Run("PERSIST_WAL", func(t *testing.T) { + tempFilename := TempFilename(t) + defer os.Remove(tempFilename) + + sql.Register("sqlite3_FCNTL_PERSIST_WAL", &SQLiteDriver{ + ConnectHook: func(conn *SQLiteConn) error { + if err := conn.SetFileControlInt("", SQLITE_FCNTL_PERSIST_WAL, 1); err != nil { + return fmt.Errorf("Unexpected error from SetFileControlInt(): %w", err) + } + return nil + }, + }) + + db, err := sql.Open("sqlite3_FCNTL_PERSIST_WAL", tempFilename) + if err != nil { + t.Fatal("Failed to open database:", err) + } + defer db.Close() + + // Set to WAL mode & write a page. + if _, err := db.Exec(`PRAGMA journal_mode = wal`); err != nil { + t.Fatal("Failed to set journal mode:", err) + } else if _, err := db.Exec(`CREATE TABLE t (x)`); err != nil { + t.Fatal("Failed to create table:", err) + } + if err := db.Close(); err != nil { + t.Fatal("Failed to close database", err) + } + + // Ensure WAL file persists after close. + if _, err := os.Stat(tempFilename + "-wal"); err != nil { + t.Fatal("Expected WAL file to be persisted after close", err) + } + }) +} + +func TestNonColumnString(t *testing.T) { + db, err := sql.Open("sqlite3", ":memory:") + if err != nil { + t.Fatal(err) + } + defer db.Close() + + var x interface{} + if err := db.QueryRow("SELECT 'hello'").Scan(&x); err != nil { + t.Fatal(err) + } + s, ok := x.(string) + if !ok { + t.Fatalf("non-column string must return string but got %T", x) + } + if s != "hello" { + t.Fatalf("non-column string must return %q but got %q", "hello", s) + } +} + +func TestNilAndEmptyBytes(t *testing.T) { + db, err := sql.Open("sqlite3", ":memory:") + if err != nil { + t.Fatal(err) + } + defer db.Close() + actualNil := []byte("use this to use an actual nil not a reference to nil") + emptyBytes := []byte{} + for tsti, tst := range []struct { + name string + columnType string + insertBytes []byte + expectedBytes []byte + }{ + {"actual nil blob", "blob", actualNil, nil}, + {"referenced nil blob", "blob", nil, nil}, + {"empty blob", "blob", emptyBytes, emptyBytes}, + {"actual nil text", "text", actualNil, nil}, + {"referenced nil text", "text", nil, nil}, + {"empty text", "text", emptyBytes, emptyBytes}, + } { + if _, err = db.Exec(fmt.Sprintf("create table tbl%d (txt %s)", tsti, tst.columnType)); err != nil { + t.Fatal(tst.name, err) + } + if bytes.Equal(tst.insertBytes, actualNil) { + if _, err = db.Exec(fmt.Sprintf("insert into tbl%d (txt) values (?)", tsti), nil); err != nil { + t.Fatal(tst.name, err) + } + } else { + if _, err = db.Exec(fmt.Sprintf("insert into tbl%d (txt) values (?)", tsti), &tst.insertBytes); err != nil { + t.Fatal(tst.name, err) + } + } + rows, err := db.Query(fmt.Sprintf("select txt from tbl%d", tsti)) + if err != nil { + t.Fatal(tst.name, err) + } + if !rows.Next() { + t.Fatal(tst.name, "no rows") + } + var scanBytes []byte + if err = rows.Scan(&scanBytes); err != nil { + t.Fatal(tst.name, err) + } + if err = rows.Err(); err != nil { + t.Fatal(tst.name, err) + } + if tst.expectedBytes == nil && scanBytes != nil { + t.Errorf("%s: %#v != %#v", tst.name, scanBytes, tst.expectedBytes) + } else if !bytes.Equal(scanBytes, tst.expectedBytes) { + t.Errorf("%s: %#v != %#v", tst.name, scanBytes, tst.expectedBytes) + } + } +} + +func TestInsertNilByteSlice(t *testing.T) { + db, err := sql.Open("sqlite3", ":memory:") + if err != nil { + t.Fatal(err) + } + defer db.Close() + if _, err := db.Exec("create table blob_not_null (b blob not null)"); err != nil { + t.Fatal(err) + } + var nilSlice []byte + if _, err := db.Exec("insert into blob_not_null (b) values (?)", nilSlice); err == nil { + t.Fatal("didn't expect INSERT to 'not null' column with a nil []byte slice to work") + } + zeroLenSlice := []byte{} + if _, err := db.Exec("insert into blob_not_null (b) values (?)", zeroLenSlice); err != nil { + t.Fatal("failed to insert zero-length slice") + } +} + +func TestNamedParam(t *testing.T) { + tempFilename := TempFilename(t) + defer os.Remove(tempFilename) + db, err := sql.Open("sqlite3", tempFilename) + if err != nil { + t.Fatal("Failed to open database:", err) + } + defer db.Close() + + _, err = db.Exec("drop table foo") + _, err = db.Exec("create table foo (id integer, name text, amount integer)") + if err != nil { + t.Fatal("Failed to create table:", err) + } + + _, err = db.Exec("insert into foo(id, name, amount) values(:id, @name, $amount)", + sql.Named("bar", 42), sql.Named("baz", "quux"), + sql.Named("amount", 123), sql.Named("corge", "waldo"), + sql.Named("id", 2), sql.Named("name", "grault")) + if err != nil { + t.Fatal("Failed to insert record with named parameters:", err) + } + + rows, err := db.Query("select id, name, amount from foo") + if err != nil { + t.Fatal("Failed to select records:", err) + } + defer rows.Close() + + rows.Next() + + var id, amount int + var name string + rows.Scan(&id, &name, &amount) + if id != 2 || name != "grault" || amount != 123 { + t.Errorf("Expected %d, %q, %d for fetched result, but got %d, %q, %d:", 2, "grault", 123, id, name, amount) + } +} + +var customFunctionOnce sync.Once + +func BenchmarkCustomFunctions(b *testing.B) { + customFunctionOnce.Do(func() { + customAdd := func(a, b int64) int64 { + return a + b + } + + sql.Register("sqlite3_BenchmarkCustomFunctions", &SQLiteDriver{ + ConnectHook: func(conn *SQLiteConn) error { + // Impure function to force sqlite to reexecute it each time. + return conn.RegisterFunc("custom_add", customAdd, false) + }, + }) + }) + + db, err := sql.Open("sqlite3_BenchmarkCustomFunctions", ":memory:") + if err != nil { + b.Fatal("Failed to open database:", err) + } + defer db.Close() + + b.ResetTimer() + for i := 0; i < b.N; i++ { + var i int64 + err = db.QueryRow("SELECT custom_add(1,2)").Scan(&i) + if err != nil { + b.Fatal("Failed to run custom add:", err) + } + } +} + +func TestSuite(t *testing.T) { + initializeTestDB(t) + defer freeTestDB() + + for _, test := range tests { + t.Run(test.Name, test.F) + } +} + +func BenchmarkSuite(b *testing.B) { + initializeTestDB(b) + defer freeTestDB() + + for _, benchmark := range benchmarks { + b.Run(benchmark.Name, benchmark.F) + } +} + +// Dialect is a type of dialect of databases. +type Dialect int + +// Dialects for databases. +const ( + SQLITE Dialect = iota // SQLITE mean SQLite3 dialect + POSTGRESQL // POSTGRESQL mean PostgreSQL dialect + MYSQL // MYSQL mean MySQL dialect +) + +// DB provide context for the tests +type TestDB struct { + testing.TB + *sql.DB + dialect Dialect + once sync.Once + tempFilename string +} + +var db *TestDB + +func initializeTestDB(t testing.TB) { + tempFilename := TempFilename(t) + d, err := sql.Open("sqlite3", tempFilename+"?_busy_timeout=99999") + if err != nil { + os.Remove(tempFilename) + t.Fatal(err) + } + + db = &TestDB{t, d, SQLITE, sync.Once{}, tempFilename} +} + +func freeTestDB() { + err := db.DB.Close() + if err != nil { + panic(err) + } + err = os.Remove(db.tempFilename) + if err != nil { + panic(err) + } +} + +// the following tables will be created and dropped during the test +var testTables = []string{"foo", "bar", "t", "bench"} + +var tests = []testing.InternalTest{ + {Name: "TestResult", F: testResult}, + {Name: "TestBlobs", F: testBlobs}, + {Name: "TestMultiBlobs", F: testMultiBlobs}, + {Name: "TestNullZeroLengthBlobs", F: testNullZeroLengthBlobs}, + {Name: "TestManyQueryRow", F: testManyQueryRow}, + {Name: "TestTxQuery", F: testTxQuery}, + {Name: "TestPreparedStmt", F: testPreparedStmt}, + {Name: "TestExecEmptyQuery", F: testExecEmptyQuery}, +} + +var benchmarks = []testing.InternalBenchmark{ + {Name: "BenchmarkExec", F: benchmarkExec}, + {Name: "BenchmarkQuery", F: benchmarkQuery}, + {Name: "BenchmarkParams", F: benchmarkParams}, + {Name: "BenchmarkStmt", F: benchmarkStmt}, + {Name: "BenchmarkRows", F: benchmarkRows}, + {Name: "BenchmarkStmtRows", F: benchmarkStmtRows}, +} + +func (db *TestDB) mustExec(sql string, args ...interface{}) sql.Result { + res, err := db.Exec(sql, args...) + if err != nil { + db.Fatalf("Error running %q: %v", sql, err) + } + return res +} + +func (db *TestDB) tearDown() { + for _, tbl := range testTables { + switch db.dialect { + case SQLITE: + db.mustExec("drop table if exists " + tbl) + case MYSQL, POSTGRESQL: + db.mustExec("drop table if exists " + tbl) + default: + db.Fatal("unknown dialect") + } + } +} + +// q replaces ? parameters if needed +func (db *TestDB) q(sql string) string { + switch db.dialect { + case POSTGRESQL: // replace with $1, $2, .. + qrx := regexp.MustCompile(`\?`) + n := 0 + return qrx.ReplaceAllStringFunc(sql, func(string) string { + n++ + return "$" + strconv.Itoa(n) + }) + } + return sql +} + +func (db *TestDB) blobType(size int) string { + switch db.dialect { + case SQLITE: + return fmt.Sprintf("blob[%d]", size) + case POSTGRESQL: + return "bytea" + case MYSQL: + return fmt.Sprintf("VARBINARY(%d)", size) + } + panic("unknown dialect") +} + +func (db *TestDB) serialPK() string { + switch db.dialect { + case SQLITE: + return "integer primary key autoincrement" + case POSTGRESQL: + return "serial primary key" + case MYSQL: + return "integer primary key auto_increment" + } + panic("unknown dialect") +} + +func (db *TestDB) now() string { + switch db.dialect { + case SQLITE: + return "datetime('now')" + case POSTGRESQL: + return "now()" + case MYSQL: + return "now()" + } + panic("unknown dialect") +} + +func makeBench() { + if _, err := db.Exec("create table bench (n varchar(32), i integer, d double, s varchar(32), t datetime)"); err != nil { + panic(err) + } + st, err := db.Prepare("insert into bench values (?, ?, ?, ?, ?)") + if err != nil { + panic(err) + } + defer st.Close() + for i := 0; i < 100; i++ { + if _, err = st.Exec(nil, i, float64(i), fmt.Sprintf("%d", i), time.Now()); err != nil { + panic(err) + } + } +} + +// testResult is test for result +func testResult(t *testing.T) { + db.tearDown() + db.mustExec("create temporary table test (id " + db.serialPK() + ", name varchar(10))") + + for i := 1; i < 3; i++ { + r := db.mustExec(db.q("insert into test (name) values (?)"), fmt.Sprintf("row %d", i)) + n, err := r.RowsAffected() + if err != nil { + t.Fatal(err) + } + if n != 1 { + t.Errorf("got %v, want %v", n, 1) + } + n, err = r.LastInsertId() + if err != nil { + t.Fatal(err) + } + if n != int64(i) { + t.Errorf("got %v, want %v", n, i) + } + } + if _, err := db.Exec("error!"); err == nil { + t.Fatalf("expected error") + } +} + +// testBlobs is test for blobs +func testBlobs(t *testing.T) { + db.tearDown() + var blob = []byte{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15} + db.mustExec("create table foo (id integer primary key, bar " + db.blobType(16) + ")") + db.mustExec(db.q("insert into foo (id, bar) values(?,?)"), 0, blob) + + want := fmt.Sprintf("%x", blob) + + b := make([]byte, 16) + err := db.QueryRow(db.q("select bar from foo where id = ?"), 0).Scan(&b) + got := fmt.Sprintf("%x", b) + if err != nil { + t.Errorf("[]byte scan: %v", err) + } else if got != want { + t.Errorf("for []byte, got %q; want %q", got, want) + } + + err = db.QueryRow(db.q("select bar from foo where id = ?"), 0).Scan(&got) + want = string(blob) + if err != nil { + t.Errorf("string scan: %v", err) + } else if got != want { + t.Errorf("for string, got %q; want %q", got, want) + } +} + +func testMultiBlobs(t *testing.T) { + db.tearDown() + db.mustExec("create table foo (id integer primary key, bar " + db.blobType(16) + ")") + var blob0 = []byte{0, 1, 2, 3, 4, 5, 6, 7} + db.mustExec(db.q("insert into foo (id, bar) values(?,?)"), 0, blob0) + var blob1 = []byte{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15} + db.mustExec(db.q("insert into foo (id, bar) values(?,?)"), 1, blob1) + + r, err := db.Query(db.q("select bar from foo order by id")) + if err != nil { + t.Fatal(err) + } + defer r.Close() + if !r.Next() { + if r.Err() != nil { + t.Fatal(err) + } + t.Fatal("expected one rows") + } + + want0 := fmt.Sprintf("%x", blob0) + b0 := make([]byte, 8) + err = r.Scan(&b0) + if err != nil { + t.Fatal(err) + } + got0 := fmt.Sprintf("%x", b0) + + if !r.Next() { + if r.Err() != nil { + t.Fatal(err) + } + t.Fatal("expected one rows") + } + + want1 := fmt.Sprintf("%x", blob1) + b1 := make([]byte, 16) + err = r.Scan(&b1) + if err != nil { + t.Fatal(err) + } + got1 := fmt.Sprintf("%x", b1) + if got0 != want0 { + t.Errorf("for []byte, got %q; want %q", got0, want0) + } + if got1 != want1 { + t.Errorf("for []byte, got %q; want %q", got1, want1) + } +} + +// testBlobs tests that we distinguish between null and zero-length blobs +func testNullZeroLengthBlobs(t *testing.T) { + db.tearDown() + db.mustExec("create table foo (id integer primary key, bar " + db.blobType(16) + ")") + db.mustExec(db.q("insert into foo (id, bar) values(?,?)"), 0, nil) + db.mustExec(db.q("insert into foo (id, bar) values(?,?)"), 1, []byte{}) + + r0 := db.QueryRow(db.q("select bar from foo where id=0")) + var b0 []byte + err := r0.Scan(&b0) + if err != nil { + t.Fatal(err) + } + if b0 != nil { + t.Errorf("for id=0, got %x; want nil", b0) + } + + r1 := db.QueryRow(db.q("select bar from foo where id=1")) + var b1 []byte + err = r1.Scan(&b1) + if err != nil { + t.Fatal(err) + } + if b1 == nil { + t.Error("for id=1, got nil; want zero-length slice") + } else if len(b1) > 0 { + t.Errorf("for id=1, got %x; want zero-length slice", b1) + } +} + +// testManyQueryRow is test for many query row +func testManyQueryRow(t *testing.T) { + if testing.Short() { + t.Log("skipping in short mode") + return + } + db.tearDown() + db.mustExec("create table foo (id integer primary key, name varchar(50))") + db.mustExec(db.q("insert into foo (id, name) values(?,?)"), 1, "bob") + var name string + for i := 0; i < 10000; i++ { + err := db.QueryRow(db.q("select name from foo where id = ?"), 1).Scan(&name) + if err != nil || name != "bob" { + t.Fatalf("on query %d: err=%v, name=%q", i, err, name) + } + } +} + +// testTxQuery is test for transactional query +func testTxQuery(t *testing.T) { + db.tearDown() + tx, err := db.Begin() + if err != nil { + t.Fatal(err) + } + defer tx.Rollback() + + _, err = tx.Exec("create table foo (id integer primary key, name varchar(50))") + if err != nil { + t.Fatal(err) + } + + _, err = tx.Exec(db.q("insert into foo (id, name) values(?,?)"), 1, "bob") + if err != nil { + t.Fatal(err) + } + + r, err := tx.Query(db.q("select name from foo where id = ?"), 1) + if err != nil { + t.Fatal(err) + } + defer r.Close() + + if !r.Next() { + if r.Err() != nil { + t.Fatal(err) + } + t.Fatal("expected one rows") + } + + var name string + err = r.Scan(&name) + if err != nil { + t.Fatal(err) + } +} + +// testPreparedStmt is test for prepared statement +func testPreparedStmt(t *testing.T) { + db.tearDown() + db.mustExec("CREATE TABLE t (count INT)") + sel, err := db.Prepare("SELECT count FROM t ORDER BY count DESC") + if err != nil { + t.Fatalf("prepare 1: %v", err) + } + ins, err := db.Prepare(db.q("INSERT INTO t (count) VALUES (?)")) + if err != nil { + t.Fatalf("prepare 2: %v", err) + } + + for n := 1; n <= 3; n++ { + if _, err := ins.Exec(n); err != nil { + t.Fatalf("insert(%d) = %v", n, err) + } + } + + const nRuns = 10 + var wg sync.WaitGroup + for i := 0; i < nRuns; i++ { + wg.Add(1) + go func() { + defer wg.Done() + for j := 0; j < 10; j++ { + count := 0 + if err := sel.QueryRow().Scan(&count); err != nil && err != sql.ErrNoRows { + t.Errorf("Query: %v", err) + return + } + if _, err := ins.Exec(rand.Intn(100)); err != nil { + t.Errorf("Insert: %v", err) + return + } + } + }() + } + wg.Wait() +} + +// testEmptyQuery is test for validating the API in case of empty query +func testExecEmptyQuery(t *testing.T) { + db.tearDown() + res, err := db.Exec(" -- this is just a comment ") + if err != nil { + t.Fatalf("empty query err: %v", err) + } + + _, err = res.LastInsertId() + if err != nil { + t.Fatalf("LastInsertId returned an error: %v", err) + } + + _, err = res.RowsAffected() + if err != nil { + t.Fatalf("RowsAffected returned an error: %v", err) + } +} + +// Benchmarks need to use panic() since b.Error errors are lost when +// running via testing.Benchmark() I would like to run these via go +// test -bench but calling Benchmark() from a benchmark test +// currently hangs go. + +// benchmarkExec is benchmark for exec +func benchmarkExec(b *testing.B) { + for i := 0; i < b.N; i++ { + if _, err := db.Exec("select 1"); err != nil { + panic(err) + } + } +} + +// benchmarkQuery is benchmark for query +func benchmarkQuery(b *testing.B) { + for i := 0; i < b.N; i++ { + var n sql.NullString + var i int + var f float64 + var s string + // var t time.Time + if err := db.QueryRow("select null, 1, 1.1, 'foo'").Scan(&n, &i, &f, &s); err != nil { + panic(err) + } + } +} + +// benchmarkParams is benchmark for params +func benchmarkParams(b *testing.B) { + for i := 0; i < b.N; i++ { + var n sql.NullString + var i int + var f float64 + var s string + // var t time.Time + if err := db.QueryRow("select ?, ?, ?, ?", nil, 1, 1.1, "foo").Scan(&n, &i, &f, &s); err != nil { + panic(err) + } + } +} + +// benchmarkStmt is benchmark for statement +func benchmarkStmt(b *testing.B) { + st, err := db.Prepare("select ?, ?, ?, ?") + if err != nil { + panic(err) + } + defer st.Close() + + for n := 0; n < b.N; n++ { + var n sql.NullString + var i int + var f float64 + var s string + // var t time.Time + if err := st.QueryRow(nil, 1, 1.1, "foo").Scan(&n, &i, &f, &s); err != nil { + panic(err) + } + } +} + +// benchmarkRows is benchmark for rows +func benchmarkRows(b *testing.B) { + db.once.Do(makeBench) + + for n := 0; n < b.N; n++ { + var n sql.NullString + var i int + var f float64 + var s string + var t time.Time + r, err := db.Query("select * from bench") + if err != nil { + panic(err) + } + for r.Next() { + if err = r.Scan(&n, &i, &f, &s, &t); err != nil { + panic(err) + } + } + if err = r.Err(); err != nil { + panic(err) + } + } +} + +// benchmarkStmtRows is benchmark for statement rows +func benchmarkStmtRows(b *testing.B) { + db.once.Do(makeBench) + + st, err := db.Prepare("select * from bench") + if err != nil { + panic(err) + } + defer st.Close() + + for n := 0; n < b.N; n++ { + var n sql.NullString + var i int + var f float64 + var s string + var t time.Time + r, err := st.Query() + if err != nil { + panic(err) + } + for r.Next() { + if err = r.Scan(&n, &i, &f, &s, &t); err != nil { + panic(err) + } + } + if err = r.Err(); err != nil { + panic(err) + } + } +} |