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driver_test.go
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package gosnowflake
import (
"bytes"
"context"
"database/sql"
"flag"
"fmt"
"net/url"
"os"
"os/signal"
"reflect"
"strings"
"testing"
"time"
)
var (
user string
pass string
account string
dbname string
schemaname string
warehouse string
rolename string
dsn string
host string
port string
protocol string
)
// The tests require the following parameters in the environment variables.
// SNOWFLAKE_TEST_USER, SNOWFLAKE_TEST_PASSWORD, SNOWFLAKE_TEST_ACCOUNT, SNOWFLAKE_TEST_DATABASE,
// SNOWFLAKE_TEST_SCHEMA, SNOWFLAKE_TEST_WAREHOUSE.
// Optionally you may specify SNOWFLAKE_TEST_PROTOCOL, SNOWFLAKE_TEST_HOST and SNOWFLAKE_TEST_PORT to specify
// the endpoint.
func init() {
// get environment variables
env := func(key, defaultValue string) string {
if value := os.Getenv(key); value != "" {
return value
}
return defaultValue
}
user = env("SNOWFLAKE_TEST_USER", "testuser")
pass = env("SNOWFLAKE_TEST_PASSWORD", "testpassword")
account = env("SNOWFLAKE_TEST_ACCOUNT", "testaccount")
dbname = env("SNOWFLAKE_TEST_DATABASE", "testdb")
schemaname = env("SNOWFLAKE_TEST_SCHEMA", "public")
rolename = env("SNOWFLAKE_TEST_ROLE", "sysadmin")
warehouse = env("SNOWFLAKE_TEST_WAREHOUSE", "testwarehouse")
protocol = env("SNOWFLAKE_TEST_PROTOCOL", "https")
host = os.Getenv("SNOWFLAKE_TEST_HOST")
port = os.Getenv("SNOWFLAKE_TEST_PORT")
if host == "" {
host = fmt.Sprintf("%s.snowflakecomputing.com", account)
} else {
host = fmt.Sprintf("%s:%s", host, port)
}
createDSN("UTC")
}
func createDSN(timezone string) {
dsn = fmt.Sprintf("%s:%s@%s/%s/%s", user, pass, host, dbname, schemaname)
parameters := url.Values{}
parameters.Add("timezone", timezone)
if protocol != "" {
parameters.Add("protocol", protocol)
}
if account != "" {
parameters.Add("account", account)
}
if warehouse != "" {
parameters.Add("warehouse", warehouse)
}
if rolename != "" {
parameters.Add("role", rolename)
}
if len(parameters) > 0 {
dsn += "?" + parameters.Encode()
}
}
// setup creates a test schema so that all tests can run in the same schema
func setup() (string, error) {
env := func(key, defaultValue string) string {
if value := os.Getenv(key); value != "" {
return value
}
return defaultValue
}
orgSchemaname := schemaname
if env("TRAVIS", "") == "true" {
schemaname = fmt.Sprintf("TRAVIS_JOB_%v", env("TRAVIS_JOB_ID", "testschema"))
} else {
schemaname = fmt.Sprintf("golang_%v", time.Now().UnixNano())
}
var db *sql.DB
var err error
if db, err = sql.Open("snowflake", dsn); err != nil {
return "", fmt.Errorf("failed to open db. %v, err: %v", dsn, err)
}
defer db.Close()
if _, err = db.Exec(fmt.Sprintf("CREATE OR REPLACE SCHEMA %v", schemaname)); err != nil {
return "", fmt.Errorf("failed to create schema. %v", err)
}
createDSN("UTC")
return orgSchemaname, nil
}
// teardown drops the test schema
func teardown(s string) error {
var db *sql.DB
var err error
if db, err = sql.Open("snowflake", dsn); err != nil {
return fmt.Errorf("failed to open db. %v, err: %v", dsn, err)
}
defer db.Close()
if _, err = db.Exec(fmt.Sprintf("DROP SCHEMA IF EXISTS %v", schemaname)); err != nil {
return fmt.Errorf("failed to create schema. %v", err)
}
return nil
}
func TestMain(m *testing.M) {
orgSchemaname, err := setup()
if err != nil {
panic(err)
}
ret := m.Run()
teardown(orgSchemaname)
os.Exit(ret)
}
type DBTest struct {
*testing.T
db *sql.DB
}
func (dbt *DBTest) mustQuery(query string, args ...interface{}) (rows *sql.Rows) {
// handler interrupt signal
ctx, cancel := context.WithCancel(context.Background())
c := make(chan os.Signal, 1)
signal.Notify(c, os.Interrupt)
defer func() {
signal.Stop(c)
}()
go func() {
<-c
fmt.Println("Caught signal, canceling...")
cancel()
}()
rows, err := dbt.db.QueryContext(ctx, query, args...)
if err != nil {
dbt.fail("query", query, err)
}
return rows
}
func (dbt *DBTest) fail(method, query string, err error) {
if len(query) > 300 {
query = "[query too large to print]"
}
dbt.Fatalf("error on %s [%s]: %s", method, query, err.Error())
}
func (dbt *DBTest) mustExec(query string, args ...interface{}) (res sql.Result) {
res, err := dbt.db.Exec(query, args...)
if err != nil {
dbt.fail("exec", query, err)
}
return res
}
func (dbt *DBTest) mustDecimalSize(ct *sql.ColumnType) (pr int64, sc int64) {
var ok bool
pr, sc, ok = ct.DecimalSize()
if !ok {
dbt.Fatalf("failed to get decimal size. %v", ct)
}
return pr, sc
}
func (dbt *DBTest) mustFailDecimalSize(ct *sql.ColumnType) {
var ok bool
_, _, ok = ct.DecimalSize()
if ok {
dbt.Fatalf("should not return decimal size. %v", ct)
}
}
func (dbt *DBTest) mustLength(ct *sql.ColumnType) (cLen int64) {
var ok bool
cLen, ok = ct.Length()
if !ok {
dbt.Fatalf("failed to get length. %v", ct)
}
return cLen
}
func (dbt *DBTest) mustFailLength(ct *sql.ColumnType) {
var ok bool
_, ok = ct.Length()
if ok {
dbt.Fatalf("should not return length. %v", ct)
}
}
func (dbt *DBTest) mustNullable(ct *sql.ColumnType) (canNull bool) {
var ok bool
canNull, ok = ct.Nullable()
if !ok {
dbt.Fatalf("failed to get length. %v", ct)
}
return canNull
}
func runTests(t *testing.T, dsn string, tests ...func(dbt *DBTest)) {
db, err := sql.Open("snowflake", dsn)
if err != nil {
t.Fatalf("error connecting: %s", err.Error())
}
defer db.Close()
_, err = db.Exec("DROP TABLE IF EXISTS test")
if err != nil {
t.Fatalf("failed to drop table: %v", err)
}
dbt := &DBTest{t, db}
for _, test := range tests {
test(dbt)
dbt.db.Exec("DROP TABLE IF EXISTS test")
}
}
func TestBogusUserPasswordParameters(t *testing.T) {
invalidDNS := fmt.Sprintf("%s:%s@%s", "bogus", pass, host)
invalidUserPassErrorTests(invalidDNS, t)
invalidDNS = fmt.Sprintf("%s:%s@%s", user, "INVALID_PASSWORD", host)
invalidUserPassErrorTests(invalidDNS, t)
}
func invalidUserPassErrorTests(invalidDNS string, t *testing.T) {
parameters := url.Values{}
if protocol != "" {
parameters.Add("protocol", protocol)
}
if account != "" {
parameters.Add("account", account)
}
invalidDNS += "?" + parameters.Encode()
db, err := sql.Open("snowflake", invalidDNS)
if err != nil {
t.Fatalf("error creating a connection object: %s", err.Error())
}
// actual connection won't happen until run a query
defer db.Close()
_, err = db.Exec("SELECT 1")
if err == nil {
t.Fatal("should cause an error.")
}
if driverErr, ok := err.(*SnowflakeError); ok {
if driverErr.Number != 390100 {
t.Fatalf("wrong error code: %v", driverErr)
}
if !strings.Contains(driverErr.Error(), "390100") {
t.Fatalf("error message should included the error code. got: %v", driverErr.Error())
}
} else {
t.Fatalf("wrong error code: %v", err)
}
}
func TestBogusHostNameParameters(t *testing.T) {
invalidDNS := fmt.Sprintf("%s:%s@%s", user, pass, "INVALID_HOST:1234")
invalidHostErrorTests(invalidDNS, []string{"no such host", "verify account name is correct", "HTTP Status: 403"}, t)
invalidDNS = fmt.Sprintf("%s:%s@%s", user, pass, "INVALID_HOST")
invalidHostErrorTests(invalidDNS, []string{"read: connection reset by peer.", "EOF", "verify account name is correct", "HTTP Status: 403"}, t)
}
func invalidHostErrorTests(invalidDNS string, mstr []string, t *testing.T) {
parameters := url.Values{}
if protocol != "" {
parameters.Add("protocol", protocol)
}
if account != "" {
parameters.Add("account", account)
}
parameters.Add("loginTimeout", "10")
invalidDNS += "?" + parameters.Encode()
db, err := sql.Open("snowflake", invalidDNS)
if err != nil {
t.Fatalf("error creating a connection object: %s", err.Error())
}
// actual connection won't happen until run a query
defer db.Close()
_, err = db.Exec("SELECT 1")
if err == nil {
t.Fatal("should cause an error.")
}
found := false
for _, m := range mstr {
if strings.Contains(err.Error(), m) {
found = true
}
}
if !found {
t.Fatalf("wrong error: %v", err)
}
}
func TestCommentOnlyQuery(t *testing.T) {
runTests(t, dsn, func(dbt *DBTest) {
query := "--"
// just a comment, no query
rows, err := dbt.db.Query(query)
if err == nil {
rows.Close()
dbt.fail("query", query, err)
}
if driverErr, ok := err.(*SnowflakeError); ok {
if driverErr.Number != 900 { // syntax error
dbt.fail("query", query, err)
}
}
})
}
func TestEmptyQuery(t *testing.T) {
runTests(t, dsn, func(dbt *DBTest) {
query := "select 1 from dual where 1=0"
// just a comment, no query
rows := dbt.db.QueryRow(query)
var v1 interface{}
err := rows.Scan(&v1)
if err != sql.ErrNoRows {
dbt.Errorf("should fail. err: %v", err)
}
rows = dbt.db.QueryRowContext(context.Background(), query)
err = rows.Scan(&v1)
if err != sql.ErrNoRows {
dbt.Errorf("should fail. err: %v", err)
}
})
}
func TestCRUD(t *testing.T) {
runTests(t, dsn, func(dbt *DBTest) {
// Create Table
dbt.mustExec("CREATE TABLE test (value BOOLEAN)")
// Test for unexpected Data
var out bool
rows := dbt.mustQuery("SELECT * FROM test")
defer rows.Close()
if rows.Next() {
dbt.Error("unexpected Data in empty table")
}
// Create Data
res := dbt.mustExec("INSERT INTO test VALUES (true)")
count, err := res.RowsAffected()
if err != nil {
dbt.Fatalf("res.RowsAffected() returned error: %s", err.Error())
}
if count != 1 {
dbt.Fatalf("expected 1 affected row, got %d", count)
}
id, err := res.LastInsertId()
if err != nil {
dbt.Fatalf("res.LastInsertId() returned error: %s", err.Error())
}
if id != -1 {
dbt.Fatalf(
"expected InsertId -1, got %d. Snowflake doesn't support last insert ID", id)
}
// Read
rows = dbt.mustQuery("SELECT value FROM test")
defer rows.Close()
if rows.Next() {
rows.Scan(&out)
if !out {
dbt.Errorf("%t should be true", out)
}
if rows.Next() {
dbt.Error("unexpected Data")
}
} else {
dbt.Error("no Data")
}
// Update
res = dbt.mustExec("UPDATE test SET value = ? WHERE value = ?", false, true)
count, err = res.RowsAffected()
if err != nil {
dbt.Fatalf("res.RowsAffected() returned error: %s", err.Error())
}
if count != 1 {
dbt.Fatalf("expected 1 affected row, got %d", count)
}
// Check Update
rows = dbt.mustQuery("SELECT value FROM test")
defer rows.Close()
if rows.Next() {
rows.Scan(&out)
if out {
dbt.Errorf("%t should be true", out)
}
if rows.Next() {
dbt.Error("unexpected Data")
}
} else {
dbt.Error("no Data")
}
// Delete
res = dbt.mustExec("DELETE FROM test WHERE value = ?", false)
count, err = res.RowsAffected()
if err != nil {
dbt.Fatalf("res.RowsAffected() returned error: %s", err.Error())
}
if count != 1 {
dbt.Fatalf("expected 1 affected row, got %d", count)
}
// Check for unexpected rows
res = dbt.mustExec("DELETE FROM test")
count, err = res.RowsAffected()
if err != nil {
dbt.Fatalf("res.RowsAffected() returned error: %s", err.Error())
}
if count != 0 {
dbt.Fatalf("expected 0 affected row, got %d", count)
}
})
}
func TestInt(t *testing.T) {
runTests(t, dsn, func(dbt *DBTest) {
types := []string{"INT", "INTEGER"}
in := int64(42)
var out int64
var rows *sql.Rows
// SIGNED
for _, v := range types {
dbt.mustExec("CREATE TABLE test (value " + v + ")")
dbt.mustExec("INSERT INTO test VALUES (?)", in)
rows = dbt.mustQuery("SELECT value FROM test")
defer rows.Close()
if rows.Next() {
rows.Scan(&out)
if in != out {
dbt.Errorf("%s: %d != %d", v, in, out)
}
} else {
dbt.Errorf("%s: no data", v)
}
dbt.mustExec("DROP TABLE IF EXISTS test")
}
})
}
func TestFloat32(t *testing.T) {
runTests(t, dsn, func(dbt *DBTest) {
types := [2]string{"FLOAT", "DOUBLE"}
in := float32(42.23)
var out float32
var rows *sql.Rows
for _, v := range types {
dbt.mustExec("CREATE TABLE test (value " + v + ")")
dbt.mustExec("INSERT INTO test VALUES (?)", in)
rows = dbt.mustQuery("SELECT value FROM test")
defer rows.Close()
if rows.Next() {
rows.Scan(&out)
if in != out {
dbt.Errorf("%s: %g != %g", v, in, out)
}
} else {
dbt.Errorf("%s: no data", v)
}
dbt.mustExec("DROP TABLE IF EXISTS test")
}
})
}
func TestFloat64(t *testing.T) {
runTests(t, dsn, func(dbt *DBTest) {
types := [2]string{"FLOAT", "DOUBLE"}
expected := 42.23
var out float64
var rows *sql.Rows
for _, v := range types {
dbt.mustExec("CREATE TABLE test (value " + v + ")")
dbt.mustExec("INSERT INTO test VALUES (42.23)")
rows = dbt.mustQuery("SELECT value FROM test")
defer rows.Close()
if rows.Next() {
rows.Scan(&out)
if expected != out {
dbt.Errorf("%s: %g != %g", v, expected, out)
}
} else {
dbt.Errorf("%s: no data", v)
}
dbt.mustExec("DROP TABLE IF EXISTS test")
}
})
}
func TestFloat64Placeholder(t *testing.T) {
runTests(t, dsn, func(dbt *DBTest) {
types := [2]string{"FLOAT", "DOUBLE"}
expected := 42.23
var out float64
var rows *sql.Rows
for _, v := range types {
dbt.mustExec(fmt.Sprintf("CREATE TABLE test (id int, value %v)", v))
dbt.mustExec("INSERT INTO test VALUES (1, ?)", expected)
rows = dbt.mustQuery("SELECT value FROM test WHERE id = ?", 1)
defer rows.Close()
if rows.Next() {
rows.Scan(&out)
if expected != out {
dbt.Errorf("%s: %g != %g", v, expected, out)
}
} else {
dbt.Errorf("%s: no data", v)
}
dbt.mustExec("DROP TABLE IF EXISTS test")
}
})
}
// TestUint64Placeholder tests uint64 binding. Should fail as unit64 is not a supported binding value by Go's sql
// package.
func TestUint64Placeholder(t *testing.T) {
runTests(t, dsn, func(dbt *DBTest) {
types := []string{"INTEGER"}
expected := uint64(18446744073709551615)
for _, v := range types {
dbt.mustExec(fmt.Sprintf("CREATE TABLE test (id int, value %v)", v))
_, err := dbt.db.Exec("INSERT INTO test VALUES (1, ?)", expected)
if err == nil {
dbt.Fatal("should fail as uint64 values with high bit set are not supported.")
} else {
glog.V(2).Infof("expected err: %v", err)
}
dbt.mustExec("DROP TABLE IF EXISTS test")
}
})
}
func TestDateTimeTimestampPlaceholder(t *testing.T) {
runTests(t, dsn, func(dbt *DBTest) {
expected := time.Now()
dbt.mustExec(
"CREATE OR REPLACE TABLE tztest (id int, ntz timestamp_ntz, ltz timestamp_ltz, dt date, tm time)")
stmt, err := dbt.db.Prepare("INSERT INTO tztest(id,ntz,ltz,dt,tm) VALUES(1,?,?,?,?)")
if err != nil {
dbt.Fatal(err.Error())
}
defer stmt.Close()
_, err = stmt.Exec(
DataTypeTimestampNtz, expected,
DataTypeTimestampLtz, expected,
DataTypeDate, expected,
DataTypeTime, expected)
if err != nil {
dbt.Fatal(err)
}
rows := dbt.mustQuery("SELECT ntz,ltz,dt,tm FROM tztest WHERE id=?", 1)
defer rows.Close()
var ntz, vltz, dt, tm time.Time
columnTypes, err := rows.ColumnTypes()
if err != nil {
dbt.Errorf("column type error. err: %v", err)
}
if columnTypes[0].Name() != "NTZ" {
dbt.Errorf("expected column name: %v, got: %v", "TEST", columnTypes[0])
}
canNull := dbt.mustNullable(columnTypes[0])
if !canNull {
dbt.Errorf("expected nullable: %v, got: %v", true, canNull)
}
if columnTypes[0].DatabaseTypeName() != "TIMESTAMP_NTZ" {
dbt.Errorf("expected database type: %v, got: %v", "TIMESTAMP_NTZ", columnTypes[0].DatabaseTypeName())
}
dbt.mustFailDecimalSize(columnTypes[0])
dbt.mustFailLength(columnTypes[0])
cols, err := rows.Columns()
if err != nil {
dbt.Errorf("failed to get columns. err: %v", err)
}
if len(cols) != 4 || cols[0] != "NTZ" || cols[1] != "LTZ" || cols[2] != "DT" || cols[3] != "TM" {
dbt.Errorf("failed to get columns. got: %v", cols)
}
if rows.Next() {
rows.Scan(&ntz, &vltz, &dt, &tm)
if expected.UnixNano() != ntz.UnixNano() {
dbt.Errorf("returned TIMESTAMP_NTZ value didn't match. expected: %v:%v, got: %v:%v",
expected.UnixNano(), expected, ntz.UnixNano(), ntz)
}
if expected.UnixNano() != vltz.UnixNano() {
dbt.Errorf("returned TIMESTAMP_LTZ value didn't match. expected: %v:%v, got: %v:%v",
expected.UnixNano(), expected, vltz.UnixNano(), vltz)
}
if expected.Year() != dt.Year() || expected.Month() != dt.Month() || expected.Day() != dt.Day() {
dbt.Errorf("returned DATE value didn't match. expected: %v:%v, got: %v:%v",
expected.Unix()*1000, expected, dt.Unix()*1000, dt)
}
if expected.Hour() != tm.Hour() || expected.Minute() != tm.Minute() || expected.Second() != tm.Second() || expected.Nanosecond() != tm.Nanosecond() {
dbt.Errorf("returned TIME value didn't match. expected: %v:%v, got: %v:%v",
expected.UnixNano(), expected, tm.UnixNano(), tm)
}
} else {
dbt.Error("no data")
}
dbt.mustExec("DROP TABLE tztest")
})
}
func TestBinaryPlaceholder(t *testing.T) {
runTests(t, dsn, func(dbt *DBTest) {
dbt.mustExec("CREATE OR REPLACE TABLE bintest (id int, b binary)")
var b = []byte{0x01, 0x02, 0x03}
dbt.mustExec("INSERT INTO bintest(id,b) VALUES(1, ?)", DataTypeBinary, b)
rows := dbt.mustQuery("SELECT b FROM bintest WHERE id=?", 1)
defer rows.Close()
if rows.Next() {
var rb []byte
if err := rows.Scan(&rb); err != nil {
dbt.Errorf("failed to scan data. err: %v", err)
}
if !bytes.Equal(b, rb) {
dbt.Errorf("failed to match data. expected: %v, got: %v", b, rb)
}
} else {
dbt.Errorf("no data")
}
dbt.mustExec("DROP TABLE bintest")
})
}
func TestBindingInterface(t *testing.T) {
runTests(t, dsn, func(dbt *DBTest) {
var err error
rows := dbt.mustQuery(
"SELECT 1.0::NUMBER(30,2) as C1, 2::NUMBER(38,0) AS C2, 't3' AS C3, 4.2::DOUBLE AS C4, 'abcd'::BINARY AS C5, true AS C6")
defer rows.Close()
if !rows.Next() {
dbt.Error("failed to query")
}
var v1, v2, v3, v4, v5, v6 interface{}
err = rows.Scan(&v1, &v2, &v3, &v4, &v5, &v6)
if err != nil {
dbt.Errorf("failed to scan: %#v", err)
}
var s string
var ok bool
s, ok = v1.(string)
if !ok || s != "1.00" {
dbt.Fatalf("failed to fetch. ok: %v, value: %v", ok, v1)
}
s, ok = v2.(string)
if !ok || s != "2" {
dbt.Fatalf("failed to fetch. ok: %v, value: %v", ok, v2)
}
s, ok = v3.(string)
if !ok || s != "t3" {
dbt.Fatalf("failed to fetch. ok: %v, value: %v", ok, v3)
}
s, ok = v4.(string)
if !ok || s != "4.2" {
dbt.Fatalf("failed to fetch. ok: %v, value: %v", ok, v4)
}
})
}
func TestVariousTypes(t *testing.T) {
runTests(t, dsn, func(dbt *DBTest) {
rows := dbt.mustQuery(
"SELECT 1.0::NUMBER(30,2) as C1, 2::NUMBER(38,0) AS C2, 't3' AS C3, 4.2::DOUBLE AS C4, 'abcd'::BINARY AS C5, true AS C6")
defer rows.Close()
if !rows.Next() {
dbt.Error("failed to query")
}
cc, err := rows.Columns()
if err != nil {
dbt.Errorf("columns: %v", cc)
}
ct, err := rows.ColumnTypes()
if err != nil {
dbt.Errorf("column types: %v", ct)
}
var v1 float32
var v2 int
var v3 string
var v4 float64
var v5 []byte
var v6 bool
err = rows.Scan(&v1, &v2, &v3, &v4, &v5, &v6)
if err != nil {
dbt.Errorf("failed to scan: %#v", err)
}
if v1 != 1.0 {
dbt.Errorf("failed to scan. %#v", v1)
}
if ct[0].Name() != "C1" || ct[1].Name() != "C2" || ct[2].Name() != "C3" || ct[3].Name() != "C4" || ct[4].Name() != "C5" || ct[5].Name() != "C6" {
dbt.Errorf("failed to get column names: %#v", ct)
}
if ct[0].ScanType() != reflect.TypeOf(float64(0)) {
dbt.Errorf("failed to get scan type. expected: %v, got: %v", reflect.TypeOf(float64(0)), ct[0].ScanType())
}
if ct[1].ScanType() != reflect.TypeOf(int64(0)) {
dbt.Errorf("failed to get scan type. expected: %v, got: %v", reflect.TypeOf(int64(0)), ct[1].ScanType())
}
var pr, sc int64
var cLen int64
var canNull bool
pr, sc = dbt.mustDecimalSize(ct[0])
if pr != 30 || sc != 2 {
dbt.Errorf("failed to get precision and scale. %#v", ct[0])
}
dbt.mustFailLength(ct[0])
canNull = dbt.mustNullable(ct[0])
if canNull {
dbt.Errorf("failed to get nullable. %#v", ct[0])
}
if cLen != 0 {
dbt.Errorf("failed to get length. %#v", ct[0])
}
if v2 != 2 {
dbt.Errorf("failed to scan. %#v", v2)
}
pr, sc = dbt.mustDecimalSize(ct[1])
if pr != 38 || sc != 0 {
dbt.Errorf("failed to get precision and scale. %#v", ct[1])
}
dbt.mustFailLength(ct[1])
canNull = dbt.mustNullable(ct[1])
if canNull {
dbt.Errorf("failed to get nullable. %#v", ct[1])
}
if v3 != "t3" {
dbt.Errorf("failed to scan. %#v", v3)
}
dbt.mustFailDecimalSize(ct[2])
cLen = dbt.mustLength(ct[2])
if cLen != 2 {
dbt.Errorf("failed to get length. %#v", ct[2])
}
canNull = dbt.mustNullable(ct[2])
if canNull {
dbt.Errorf("failed to get nullable. %#v", ct[2])
}
if v4 != 4.2 {
dbt.Errorf("failed to scan. %#v", v4)
}
dbt.mustFailDecimalSize(ct[3])
dbt.mustFailLength(ct[3])
canNull = dbt.mustNullable(ct[3])
if canNull {
dbt.Errorf("failed to get nullable. %#v", ct[3])
}
if !bytes.Equal(v5, []byte{0xab, 0xcd}) {
dbt.Errorf("failed to scan. %#v", v5)
}
dbt.mustFailDecimalSize(ct[4])
cLen = dbt.mustLength(ct[4]) // BINARY
if cLen != 8388608 {
dbt.Errorf("failed to get length. %#v", ct[4])
}
canNull = dbt.mustNullable(ct[4])
if canNull {
dbt.Errorf("failed to get nullable. %#v", ct[4])
}
if !v6 {
dbt.Errorf("failed to scan. %#v", v6)
}
dbt.mustFailDecimalSize(ct[5])
dbt.mustFailLength(ct[5])
/*canNull = dbt.mustNullable(ct[5])
if canNull {
dbt.Errorf("failed to get nullable. %#v", ct[5])
}*/
})
}
func TestTimestampTZPlaceholder(t *testing.T) {
runTests(t, dsn, func(dbt *DBTest) {
expected := time.Now()
dbt.mustExec("CREATE OR REPLACE TABLE tztest (id int, tz timestamp_tz)")
stmt, err := dbt.db.Prepare("INSERT INTO tztest(id,tz) VALUES(1, ?)")
if err != nil {
dbt.Fatal(err.Error())
}
defer stmt.Close()
_, err = stmt.Exec(DataTypeTimestampTz, expected)
if err != nil {
dbt.Fatal(err)
}
rows := dbt.mustQuery("SELECT tz FROM tztest WHERE id=?", 1)
defer rows.Close()
var v time.Time
if rows.Next() {
rows.Scan(&v)
if expected.UnixNano() != v.UnixNano() {
dbt.Errorf("returned value didn't match. expected: %v:%v, got: %v:%v",
expected.UnixNano(), expected, v.UnixNano(), v)
}
// fmt.Printf("returned value: %v, %v, %v\n", v, v.UnixNano(), expected.UnixNano())
} else {
dbt.Error("no data")
}
dbt.mustExec("DROP TABLE tztest")
})
}
func TestString(t *testing.T) {
runTests(t, dsn, func(dbt *DBTest) {
types := []string{"CHAR(255)", "VARCHAR(255)", "TEXT", "STRING"}
in := "κόσμε üöäßñóùéàâÿœ'îë Árvíztűrő いろはにほへとちりぬるを イロハニホヘト דג סקרן чащах น่าฟังเอย"
var out string
var rows *sql.Rows
for _, v := range types {
dbt.mustExec("CREATE TABLE test (value " + v + ")")
dbt.mustExec("INSERT INTO test VALUES (?)", in)
rows = dbt.mustQuery("SELECT value FROM test")
defer rows.Close()
if rows.Next() {
rows.Scan(&out)
if in != out {
dbt.Errorf("%s: %s != %s", v, in, out)
}
} else {
dbt.Errorf("%s: no data", v)
}
dbt.mustExec("DROP TABLE IF EXISTS test")
}
// BLOB (Snowflake doesn't support BLOB type but STRING covers large text data)
dbt.mustExec("CREATE TABLE test (id int, value STRING)")
id := 2
in = "Lorem ipsum dolor sit amet, consetetur sadipscing elitr, " +
"sed diam nonumy eirmod tempor invidunt ut labore et dolore magna aliquyam erat, " +
"sed diam voluptua. At vero eos et accusam et justo duo dolores et ea rebum. " +
"Stet clita kasd gubergren, no sea takimata sanctus est Lorem ipsum dolor sit amet. " +
"Lorem ipsum dolor sit amet, consetetur sadipscing elitr, " +
"sed diam nonumy eirmod tempor invidunt ut labore et dolore magna aliquyam erat, " +
"sed diam voluptua. At vero eos et accusam et justo duo dolores et ea rebum. " +
"Stet clita kasd gubergren, no sea takimata sanctus est Lorem ipsum dolor sit amet."
dbt.mustExec("INSERT INTO test VALUES (?, ?)", id, in)
err := dbt.db.QueryRow("SELECT value FROM test WHERE id = ?", id).Scan(&out)
if err != nil {
dbt.Fatalf("Error on BLOB-Query: %s", err.Error())
} else if out != in {
dbt.Errorf("BLOB: %s != %s", in, out)
}
})
}
type tcDateTimeTimestamp struct {
dbtype string
tlayout string
tests []timeTest
}
type timeTest struct {
s string // source date time string
t time.Time // expected fetched data
}
func (tt timeTest) genQuery() string {
return "SELECT '%s'::%s"
}
func (tt timeTest) run(t *testing.T, dbt *DBTest, dbtype, tlayout string) {
var rows *sql.Rows
query := fmt.Sprintf(tt.genQuery(), tt.s, dbtype)
rows = dbt.mustQuery(query)
defer rows.Close()
var err error
if !rows.Next() {
err = rows.Err()
if err == nil {
err = fmt.Errorf("no data")
}
dbt.Errorf("%s: %s", dbtype, err)
return
}
var dst interface{}
err = rows.Scan(&dst)
if err != nil {
dbt.Errorf("%s: %s", dbtype, err)
return
}
switch val := dst.(type) {
case []uint8:
str := string(val)
if str == tt.s {
return
}
dbt.Errorf("%s to string: expected %q, got %q",
dbtype,
tt.s,
str,
)
case time.Time:
if val == tt.t {
return
}
t.Logf("source:%v, expected: %v, got:%v", tt.s, tt.t, val)
dbt.Errorf("%s to string: expected %q, got %q",
dbtype,
tt.s,
val.Format(tlayout),
)
default:
fmt.Printf("%#v\n", []interface{}{dbtype, tlayout, tt.s, tt.t})
dbt.Errorf("%s: unhandled type %T (is '%v')",
dbtype, val, val,
)
}
}
func TestSimpleDateTimeTimestampFetch(t *testing.T) {
var scan = func(rows *sql.Rows, cd interface{}, ct interface{}, cts interface{}) {
err := rows.Scan(cd, ct, cts)
if err != nil {
t.Fatal(err)
}
// fmt.Printf("cd: %v, ct: %v, cts: %v", cd, ct, cts)
// no error should occurs
}
var fetchTypes = []func(*sql.Rows){
func(rows *sql.Rows) {
var cd, ct, cts time.Time
scan(rows, &cd, &ct, &cts)
},
func(rows *sql.Rows) {
var cd, ct, cts time.Time
scan(rows, &cd, &ct, &cts)
},
}
runTests(t, dsn, func(dbt *DBTest) {
for _, f := range fetchTypes {
rows := dbt.mustQuery("SELECT CURRENT_DATE(), CURRENT_TIME(), CURRENT_TIMESTAMP()")
defer rows.Close()
if rows.Next() {
f(rows)
} else {
t.Fatal("no results")
}
}
})
}
func TestDateTime(t *testing.T) {
afterTime := func(t time.Time, d string) time.Time {
dur, err := time.ParseDuration(d)
if err != nil {
panic(err)
}
return t.Add(dur)
}
format := "2006-01-02 15:04:05.999999999"
t0 := time.Time{}
tstr0 := "0000-00-00 00:00:00.000000000"
testcases := []tcDateTimeTimestamp{
{"DATE", format[:10], []timeTest{
{t: time.Date(2011, 11, 20, 0, 0, 0, 0, time.UTC)},
{t: time.Date(2, 8, 2, 0, 0, 0, 0, time.UTC), s: "0002-08-02"},
// 0000-00-00 is not supported but returns a consistent result
{t: time.Date(2, 11, 30, 0, 0, 0, 0, time.UTC), s: "0000-00-00"},
}},
{"TIME", format[11:19], []timeTest{
{t: afterTime(t0, "12345s")},
{t: t0, s: tstr0[11:19]},
}},
{"TIME(0)", format[11:19], []timeTest{
{t: afterTime(t0, "12345s")},