pgx/values_test.go

1098 lines
32 KiB
Go

package pgx_test
import (
"bytes"
"context"
"fmt"
"net"
"os"
"reflect"
"strings"
"testing"
"time"
"github.com/jackc/pgx/v5"
"github.com/jackc/pgx/v5/pgxtest"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
func TestDateTranscode(t *testing.T) {
t.Parallel()
ctx, cancel := context.WithTimeout(context.Background(), 120*time.Second)
defer cancel()
pgxtest.RunWithQueryExecModes(ctx, t, defaultConnTestRunner, nil, func(ctx context.Context, t testing.TB, conn *pgx.Conn) {
dates := []time.Time{
time.Date(1, 1, 1, 0, 0, 0, 0, time.UTC),
time.Date(1000, 1, 1, 0, 0, 0, 0, time.UTC),
time.Date(1600, 1, 1, 0, 0, 0, 0, time.UTC),
time.Date(1700, 1, 1, 0, 0, 0, 0, time.UTC),
time.Date(1800, 1, 1, 0, 0, 0, 0, time.UTC),
time.Date(1900, 1, 1, 0, 0, 0, 0, time.UTC),
time.Date(1990, 1, 1, 0, 0, 0, 0, time.UTC),
time.Date(1999, 12, 31, 0, 0, 0, 0, time.UTC),
time.Date(2000, 1, 1, 0, 0, 0, 0, time.UTC),
time.Date(2001, 1, 2, 0, 0, 0, 0, time.UTC),
time.Date(2004, 2, 29, 0, 0, 0, 0, time.UTC),
time.Date(2013, 7, 4, 0, 0, 0, 0, time.UTC),
time.Date(2013, 12, 25, 0, 0, 0, 0, time.UTC),
time.Date(2029, 1, 1, 0, 0, 0, 0, time.UTC),
time.Date(2081, 1, 1, 0, 0, 0, 0, time.UTC),
time.Date(2096, 2, 29, 0, 0, 0, 0, time.UTC),
time.Date(2550, 1, 1, 0, 0, 0, 0, time.UTC),
time.Date(9999, 12, 31, 0, 0, 0, 0, time.UTC),
}
for _, actualDate := range dates {
var d time.Time
err := conn.QueryRow(context.Background(), "select $1::date", actualDate).Scan(&d)
if err != nil {
t.Fatalf("Unexpected failure on QueryRow Scan: %v", err)
}
if !actualDate.Equal(d) {
t.Errorf("Did not transcode date successfully: %v is not %v", d, actualDate)
}
}
})
}
func TestTimestampTzTranscode(t *testing.T) {
t.Parallel()
ctx, cancel := context.WithTimeout(context.Background(), 120*time.Second)
defer cancel()
pgxtest.RunWithQueryExecModes(ctx, t, defaultConnTestRunner, nil, func(ctx context.Context, t testing.TB, conn *pgx.Conn) {
inputTime := time.Date(2013, 1, 2, 3, 4, 5, 6000, time.Local)
var outputTime time.Time
err := conn.QueryRow(context.Background(), "select $1::timestamptz", inputTime).Scan(&outputTime)
if err != nil {
t.Fatalf("QueryRow Scan failed: %v", err)
}
if !inputTime.Equal(outputTime) {
t.Errorf("Did not transcode time successfully: %v is not %v", outputTime, inputTime)
}
})
}
// TODO - move these tests to pgtype
func TestJSONAndJSONBTranscode(t *testing.T) {
t.Parallel()
ctx, cancel := context.WithTimeout(context.Background(), 120*time.Second)
defer cancel()
pgxtest.RunWithQueryExecModes(ctx, t, defaultConnTestRunner, nil, func(ctx context.Context, t testing.TB, conn *pgx.Conn) {
for _, typename := range []string{"json", "jsonb"} {
if _, ok := conn.TypeMap().TypeForName(typename); !ok {
continue // No JSON/JSONB type -- must be running against old PostgreSQL
}
testJSONString(t, conn, typename)
testJSONStringPointer(t, conn, typename)
}
})
}
func TestJSONAndJSONBTranscodeExtendedOnly(t *testing.T) {
t.Parallel()
conn := mustConnectString(t, os.Getenv("PGX_TEST_DATABASE"))
defer closeConn(t, conn)
for _, typename := range []string{"json", "jsonb"} {
if _, ok := conn.TypeMap().TypeForName(typename); !ok {
continue // No JSON/JSONB type -- must be running against old PostgreSQL
}
testJSONSingleLevelStringMap(t, conn, typename)
testJSONNestedMap(t, conn, typename)
testJSONStringArray(t, conn, typename)
testJSONInt64Array(t, conn, typename)
testJSONInt16ArrayFailureDueToOverflow(t, conn, typename)
testJSONStruct(t, conn, typename)
}
}
func testJSONString(t testing.TB, conn *pgx.Conn, typename string) {
input := `{"key": "value"}`
expectedOutput := map[string]string{"key": "value"}
var output map[string]string
err := conn.QueryRow(context.Background(), "select $1::"+typename, input).Scan(&output)
if err != nil {
t.Errorf("%s: QueryRow Scan failed: %v", typename, err)
return
}
if !reflect.DeepEqual(expectedOutput, output) {
t.Errorf("%s: Did not transcode map[string]string successfully: %v is not %v", typename, expectedOutput, output)
return
}
}
func testJSONStringPointer(t testing.TB, conn *pgx.Conn, typename string) {
input := `{"key": "value"}`
expectedOutput := map[string]string{"key": "value"}
var output map[string]string
err := conn.QueryRow(context.Background(), "select $1::"+typename, &input).Scan(&output)
if err != nil {
t.Errorf("%s: QueryRow Scan failed: %v", typename, err)
return
}
if !reflect.DeepEqual(expectedOutput, output) {
t.Errorf("%s: Did not transcode map[string]string successfully: %v is not %v", typename, expectedOutput, output)
return
}
}
func testJSONSingleLevelStringMap(t *testing.T, conn *pgx.Conn, typename string) {
input := map[string]string{"key": "value"}
var output map[string]string
err := conn.QueryRow(context.Background(), "select $1::"+typename, input).Scan(&output)
if err != nil {
t.Errorf("%s: QueryRow Scan failed: %v", typename, err)
return
}
if !reflect.DeepEqual(input, output) {
t.Errorf("%s: Did not transcode map[string]string successfully: %v is not %v", typename, input, output)
return
}
}
func testJSONNestedMap(t *testing.T, conn *pgx.Conn, typename string) {
input := map[string]any{
"name": "Uncanny",
"stats": map[string]any{"hp": float64(107), "maxhp": float64(150)},
"inventory": []any{"phone", "key"},
}
var output map[string]any
err := conn.QueryRow(context.Background(), "select $1::"+typename, input).Scan(&output)
if err != nil {
t.Errorf("%s: QueryRow Scan failed: %v", typename, err)
return
}
if !reflect.DeepEqual(input, output) {
t.Errorf("%s: Did not transcode map[string]any successfully: %v is not %v", typename, input, output)
return
}
}
func testJSONStringArray(t *testing.T, conn *pgx.Conn, typename string) {
input := []string{"foo", "bar", "baz"}
var output []string
err := conn.QueryRow(context.Background(), "select $1::"+typename, input).Scan(&output)
if err != nil {
t.Errorf("%s: QueryRow Scan failed: %v", typename, err)
}
if !reflect.DeepEqual(input, output) {
t.Errorf("%s: Did not transcode []string successfully: %v is not %v", typename, input, output)
}
}
func testJSONInt64Array(t *testing.T, conn *pgx.Conn, typename string) {
input := []int64{1, 2, 234432}
var output []int64
err := conn.QueryRow(context.Background(), "select $1::"+typename, input).Scan(&output)
if err != nil {
t.Errorf("%s: QueryRow Scan failed: %v", typename, err)
}
if !reflect.DeepEqual(input, output) {
t.Errorf("%s: Did not transcode []int64 successfully: %v is not %v", typename, input, output)
}
}
func testJSONInt16ArrayFailureDueToOverflow(t *testing.T, conn *pgx.Conn, typename string) {
input := []int{1, 2, 234432}
var output []int16
err := conn.QueryRow(context.Background(), "select $1::"+typename, input).Scan(&output)
fieldName := typename
if conn.PgConn().ParameterStatus("crdb_version") != "" && typename == "json" {
fieldName = "jsonb" // Seems like CockroachDB treats json as jsonb.
}
expectedMessage := fmt.Sprintf("can't scan into dest[0] (col: %s): json: cannot unmarshal number 234432 into Go value of type int16", fieldName)
if err == nil || err.Error() != expectedMessage {
t.Errorf("%s: Expected *json.UnmarshalTypeError, but got %v", typename, err)
}
}
func testJSONStruct(t *testing.T, conn *pgx.Conn, typename string) {
type person struct {
Name string `json:"name"`
Age int `json:"age"`
}
input := person{
Name: "John",
Age: 42,
}
var output person
err := conn.QueryRow(context.Background(), "select $1::"+typename, input).Scan(&output)
if err != nil {
t.Errorf("%s: QueryRow Scan failed: %v", typename, err)
}
if !reflect.DeepEqual(input, output) {
t.Errorf("%s: Did not transcode struct successfully: %v is not %v", typename, input, output)
}
}
func mustParseCIDR(t testing.TB, s string) *net.IPNet {
_, ipnet, err := net.ParseCIDR(s)
if err != nil {
t.Fatal(err)
}
return ipnet
}
func TestInetCIDRTranscodeIPNet(t *testing.T) {
t.Parallel()
ctx, cancel := context.WithTimeout(context.Background(), 120*time.Second)
defer cancel()
pgxtest.RunWithQueryExecModes(ctx, t, defaultConnTestRunner, nil, func(ctx context.Context, t testing.TB, conn *pgx.Conn) {
tests := []struct {
sql string
value *net.IPNet
}{
{"select $1::inet", mustParseCIDR(t, "0.0.0.0/32")},
{"select $1::inet", mustParseCIDR(t, "127.0.0.1/32")},
{"select $1::inet", mustParseCIDR(t, "12.34.56.0/32")},
{"select $1::inet", mustParseCIDR(t, "192.168.1.0/24")},
{"select $1::inet", mustParseCIDR(t, "255.0.0.0/8")},
{"select $1::inet", mustParseCIDR(t, "255.255.255.255/32")},
{"select $1::inet", mustParseCIDR(t, "::/128")},
{"select $1::inet", mustParseCIDR(t, "::/0")},
{"select $1::inet", mustParseCIDR(t, "::1/128")},
{"select $1::inet", mustParseCIDR(t, "2607:f8b0:4009:80b::200e/128")},
{"select $1::cidr", mustParseCIDR(t, "0.0.0.0/32")},
{"select $1::cidr", mustParseCIDR(t, "127.0.0.1/32")},
{"select $1::cidr", mustParseCIDR(t, "12.34.56.0/32")},
{"select $1::cidr", mustParseCIDR(t, "192.168.1.0/24")},
{"select $1::cidr", mustParseCIDR(t, "255.0.0.0/8")},
{"select $1::cidr", mustParseCIDR(t, "255.255.255.255/32")},
{"select $1::cidr", mustParseCIDR(t, "::/128")},
{"select $1::cidr", mustParseCIDR(t, "::/0")},
{"select $1::cidr", mustParseCIDR(t, "::1/128")},
{"select $1::cidr", mustParseCIDR(t, "2607:f8b0:4009:80b::200e/128")},
}
for i, tt := range tests {
if conn.PgConn().ParameterStatus("crdb_version") != "" && strings.Contains(tt.sql, "cidr") {
t.Log("Server does not support cidr type (https://github.com/cockroachdb/cockroach/issues/18846)")
continue
}
var actual net.IPNet
err := conn.QueryRow(context.Background(), tt.sql, tt.value).Scan(&actual)
if err != nil {
t.Errorf("%d. Unexpected failure: %v (sql -> %v, value -> %v)", i, err, tt.sql, tt.value)
continue
}
if actual.String() != tt.value.String() {
t.Errorf("%d. Expected %v, got %v (sql -> %v)", i, tt.value, actual, tt.sql)
}
}
})
}
func TestInetCIDRTranscodeIP(t *testing.T) {
t.Parallel()
ctx, cancel := context.WithTimeout(context.Background(), 120*time.Second)
defer cancel()
pgxtest.RunWithQueryExecModes(ctx, t, defaultConnTestRunner, nil, func(ctx context.Context, t testing.TB, conn *pgx.Conn) {
tests := []struct {
sql string
value net.IP
}{
{"select $1::inet", net.ParseIP("0.0.0.0")},
{"select $1::inet", net.ParseIP("127.0.0.1")},
{"select $1::inet", net.ParseIP("12.34.56.0")},
{"select $1::inet", net.ParseIP("255.255.255.255")},
{"select $1::inet", net.ParseIP("::1")},
{"select $1::inet", net.ParseIP("2607:f8b0:4009:80b::200e")},
{"select $1::cidr", net.ParseIP("0.0.0.0")},
{"select $1::cidr", net.ParseIP("127.0.0.1")},
{"select $1::cidr", net.ParseIP("12.34.56.0")},
{"select $1::cidr", net.ParseIP("255.255.255.255")},
{"select $1::cidr", net.ParseIP("::1")},
{"select $1::cidr", net.ParseIP("2607:f8b0:4009:80b::200e")},
}
for i, tt := range tests {
if conn.PgConn().ParameterStatus("crdb_version") != "" && strings.Contains(tt.sql, "cidr") {
t.Log("Server does not support cidr type (https://github.com/cockroachdb/cockroach/issues/18846)")
continue
}
var actual net.IP
err := conn.QueryRow(context.Background(), tt.sql, tt.value).Scan(&actual)
if err != nil {
t.Errorf("%d. Unexpected failure: %v (sql -> %v, value -> %v)", i, err, tt.sql, tt.value)
continue
}
if !actual.Equal(tt.value) {
t.Errorf("%d. Expected %v, got %v (sql -> %v)", i, tt.value, actual, tt.sql)
}
ensureConnValid(t, conn)
}
failTests := []struct {
sql string
value *net.IPNet
}{
{"select $1::inet", mustParseCIDR(t, "192.168.1.0/24")},
{"select $1::cidr", mustParseCIDR(t, "192.168.1.0/24")},
}
for i, tt := range failTests {
var actual net.IP
err := conn.QueryRow(context.Background(), tt.sql, tt.value).Scan(&actual)
if err == nil {
t.Errorf("%d. Expected failure but got none", i)
continue
}
ensureConnValid(t, conn)
}
})
}
func TestInetCIDRArrayTranscodeIPNet(t *testing.T) {
t.Parallel()
ctx, cancel := context.WithTimeout(context.Background(), 120*time.Second)
defer cancel()
pgxtest.RunWithQueryExecModes(ctx, t, defaultConnTestRunner, nil, func(ctx context.Context, t testing.TB, conn *pgx.Conn) {
tests := []struct {
sql string
value []*net.IPNet
}{
{
"select $1::inet[]",
[]*net.IPNet{
mustParseCIDR(t, "0.0.0.0/32"),
mustParseCIDR(t, "127.0.0.1/32"),
mustParseCIDR(t, "12.34.56.0/32"),
mustParseCIDR(t, "192.168.1.0/24"),
mustParseCIDR(t, "255.0.0.0/8"),
mustParseCIDR(t, "255.255.255.255/32"),
mustParseCIDR(t, "::/128"),
mustParseCIDR(t, "::/0"),
mustParseCIDR(t, "::1/128"),
mustParseCIDR(t, "2607:f8b0:4009:80b::200e/128"),
},
},
{
"select $1::cidr[]",
[]*net.IPNet{
mustParseCIDR(t, "0.0.0.0/32"),
mustParseCIDR(t, "127.0.0.1/32"),
mustParseCIDR(t, "12.34.56.0/32"),
mustParseCIDR(t, "192.168.1.0/24"),
mustParseCIDR(t, "255.0.0.0/8"),
mustParseCIDR(t, "255.255.255.255/32"),
mustParseCIDR(t, "::/128"),
mustParseCIDR(t, "::/0"),
mustParseCIDR(t, "::1/128"),
mustParseCIDR(t, "2607:f8b0:4009:80b::200e/128"),
},
},
}
for i, tt := range tests {
if conn.PgConn().ParameterStatus("crdb_version") != "" && strings.Contains(tt.sql, "cidr") {
t.Log("Server does not support cidr type (https://github.com/cockroachdb/cockroach/issues/18846)")
continue
}
var actual []*net.IPNet
err := conn.QueryRow(context.Background(), tt.sql, tt.value).Scan(&actual)
if err != nil {
t.Errorf("%d. Unexpected failure: %v (sql -> %v, value -> %v)", i, err, tt.sql, tt.value)
continue
}
if !reflect.DeepEqual(actual, tt.value) {
t.Errorf("%d. Expected %v, got %v (sql -> %v)", i, tt.value, actual, tt.sql)
}
ensureConnValid(t, conn)
}
})
}
func TestInetCIDRArrayTranscodeIP(t *testing.T) {
t.Parallel()
ctx, cancel := context.WithTimeout(context.Background(), 120*time.Second)
defer cancel()
pgxtest.RunWithQueryExecModes(ctx, t, defaultConnTestRunner, nil, func(ctx context.Context, t testing.TB, conn *pgx.Conn) {
tests := []struct {
sql string
value []net.IP
}{
{
"select $1::inet[]",
[]net.IP{
net.ParseIP("0.0.0.0"),
net.ParseIP("127.0.0.1"),
net.ParseIP("12.34.56.0"),
net.ParseIP("255.255.255.255"),
net.ParseIP("2607:f8b0:4009:80b::200e"),
},
},
{
"select $1::cidr[]",
[]net.IP{
net.ParseIP("0.0.0.0"),
net.ParseIP("127.0.0.1"),
net.ParseIP("12.34.56.0"),
net.ParseIP("255.255.255.255"),
net.ParseIP("2607:f8b0:4009:80b::200e"),
},
},
}
for i, tt := range tests {
if conn.PgConn().ParameterStatus("crdb_version") != "" && strings.Contains(tt.sql, "cidr") {
t.Log("Server does not support cidr type (https://github.com/cockroachdb/cockroach/issues/18846)")
continue
}
var actual []net.IP
err := conn.QueryRow(context.Background(), tt.sql, tt.value).Scan(&actual)
if err != nil {
t.Errorf("%d. Unexpected failure: %v (sql -> %v, value -> %v)", i, err, tt.sql, tt.value)
continue
}
assert.Equal(t, len(tt.value), len(actual), "%d", i)
for j := range actual {
assert.True(t, actual[j].Equal(tt.value[j]), "%d", i)
}
ensureConnValid(t, conn)
}
failTests := []struct {
sql string
value []*net.IPNet
}{
{
"select $1::inet[]",
[]*net.IPNet{
mustParseCIDR(t, "12.34.56.0/32"),
mustParseCIDR(t, "192.168.1.0/24"),
},
},
{
"select $1::cidr[]",
[]*net.IPNet{
mustParseCIDR(t, "12.34.56.0/32"),
mustParseCIDR(t, "192.168.1.0/24"),
},
},
}
for i, tt := range failTests {
var actual []net.IP
err := conn.QueryRow(context.Background(), tt.sql, tt.value).Scan(&actual)
if err == nil {
t.Errorf("%d. Expected failure but got none", i)
continue
}
ensureConnValid(t, conn)
}
})
}
func TestInetCIDRTranscodeWithJustIP(t *testing.T) {
t.Parallel()
ctx, cancel := context.WithTimeout(context.Background(), 120*time.Second)
defer cancel()
pgxtest.RunWithQueryExecModes(ctx, t, defaultConnTestRunner, nil, func(ctx context.Context, t testing.TB, conn *pgx.Conn) {
tests := []struct {
sql string
value string
}{
{"select $1::inet", "0.0.0.0/32"},
{"select $1::inet", "127.0.0.1/32"},
{"select $1::inet", "12.34.56.0/32"},
{"select $1::inet", "255.255.255.255/32"},
{"select $1::inet", "::/128"},
{"select $1::inet", "2607:f8b0:4009:80b::200e/128"},
{"select $1::cidr", "0.0.0.0/32"},
{"select $1::cidr", "127.0.0.1/32"},
{"select $1::cidr", "12.34.56.0/32"},
{"select $1::cidr", "255.255.255.255/32"},
{"select $1::cidr", "::/128"},
{"select $1::cidr", "2607:f8b0:4009:80b::200e/128"},
}
for i, tt := range tests {
if conn.PgConn().ParameterStatus("crdb_version") != "" && strings.Contains(tt.sql, "cidr") {
t.Log("Server does not support cidr type (https://github.com/cockroachdb/cockroach/issues/18846)")
continue
}
expected := mustParseCIDR(t, tt.value)
var actual net.IPNet
err := conn.QueryRow(context.Background(), tt.sql, expected.IP).Scan(&actual)
if err != nil {
t.Errorf("%d. Unexpected failure: %v (sql -> %v, value -> %v)", i, err, tt.sql, tt.value)
continue
}
if actual.String() != expected.String() {
t.Errorf("%d. Expected %v, got %v (sql -> %v)", i, tt.value, actual, tt.sql)
}
ensureConnValid(t, conn)
}
})
}
func TestArrayDecoding(t *testing.T) {
t.Parallel()
ctx, cancel := context.WithTimeout(context.Background(), 120*time.Second)
defer cancel()
pgxtest.RunWithQueryExecModes(ctx, t, defaultConnTestRunner, nil, func(ctx context.Context, t testing.TB, conn *pgx.Conn) {
tests := []struct {
sql string
query any
scan any
assert func(testing.TB, any, any)
}{
{
"select $1::bool[]", []bool{true, false, true}, &[]bool{},
func(t testing.TB, query, scan any) {
if !reflect.DeepEqual(query, *(scan.(*[]bool))) {
t.Errorf("failed to encode bool[]")
}
},
},
{
"select $1::smallint[]", []int16{2, 4, 484, 32767}, &[]int16{},
func(t testing.TB, query, scan any) {
if !reflect.DeepEqual(query, *(scan.(*[]int16))) {
t.Errorf("failed to encode smallint[]")
}
},
},
{
"select $1::smallint[]", []uint16{2, 4, 484, 32767}, &[]uint16{},
func(t testing.TB, query, scan any) {
if !reflect.DeepEqual(query, *(scan.(*[]uint16))) {
t.Errorf("failed to encode smallint[]")
}
},
},
{
"select $1::int[]", []int32{2, 4, 484}, &[]int32{},
func(t testing.TB, query, scan any) {
if !reflect.DeepEqual(query, *(scan.(*[]int32))) {
t.Errorf("failed to encode int[]")
}
},
},
{
"select $1::int[]", []uint32{2, 4, 484, 2147483647}, &[]uint32{},
func(t testing.TB, query, scan any) {
if !reflect.DeepEqual(query, *(scan.(*[]uint32))) {
t.Errorf("failed to encode int[]")
}
},
},
{
"select $1::bigint[]", []int64{2, 4, 484, 9223372036854775807}, &[]int64{},
func(t testing.TB, query, scan any) {
if !reflect.DeepEqual(query, *(scan.(*[]int64))) {
t.Errorf("failed to encode bigint[]")
}
},
},
{
"select $1::bigint[]", []uint64{2, 4, 484, 9223372036854775807}, &[]uint64{},
func(t testing.TB, query, scan any) {
if !reflect.DeepEqual(query, *(scan.(*[]uint64))) {
t.Errorf("failed to encode bigint[]")
}
},
},
{
"select $1::text[]", []string{"it's", "over", "9000!"}, &[]string{},
func(t testing.TB, query, scan any) {
if !reflect.DeepEqual(query, *(scan.(*[]string))) {
t.Errorf("failed to encode text[]")
}
},
},
{
"select $1::timestamptz[]", []time.Time{time.Unix(323232, 0), time.Unix(3239949334, 00)}, &[]time.Time{},
func(t testing.TB, query, scan any) {
queryTimeSlice := query.([]time.Time)
scanTimeSlice := *(scan.(*[]time.Time))
require.Equal(t, len(queryTimeSlice), len(scanTimeSlice))
for i := range queryTimeSlice {
assert.Truef(t, queryTimeSlice[i].Equal(scanTimeSlice[i]), "%d", i)
}
},
},
{
"select $1::bytea[]", [][]byte{{0, 1, 2, 3}, {4, 5, 6, 7}}, &[][]byte{},
func(t testing.TB, query, scan any) {
queryBytesSliceSlice := query.([][]byte)
scanBytesSliceSlice := *(scan.(*[][]byte))
if len(queryBytesSliceSlice) != len(scanBytesSliceSlice) {
t.Errorf("failed to encode byte[][] to bytea[]: expected %d to equal %d", len(queryBytesSliceSlice), len(scanBytesSliceSlice))
}
for i := range queryBytesSliceSlice {
qb := queryBytesSliceSlice[i]
sb := scanBytesSliceSlice[i]
if !bytes.Equal(qb, sb) {
t.Errorf("failed to encode byte[][] to bytea[]: expected %v to equal %v", qb, sb)
}
}
},
},
}
for i, tt := range tests {
err := conn.QueryRow(context.Background(), tt.sql, tt.query).Scan(tt.scan)
if err != nil {
t.Errorf(`%d. error reading array: %v`, i, err)
continue
}
tt.assert(t, tt.query, tt.scan)
ensureConnValid(t, conn)
}
})
}
func TestEmptyArrayDecoding(t *testing.T) {
t.Parallel()
ctx, cancel := context.WithTimeout(context.Background(), 120*time.Second)
defer cancel()
pgxtest.RunWithQueryExecModes(ctx, t, defaultConnTestRunner, nil, func(ctx context.Context, t testing.TB, conn *pgx.Conn) {
var val []string
err := conn.QueryRow(context.Background(), "select array[]::text[]").Scan(&val)
if err != nil {
t.Errorf(`error reading array: %v`, err)
}
if len(val) != 0 {
t.Errorf("Expected 0 values, got %d", len(val))
}
var n, m int32
err = conn.QueryRow(context.Background(), "select 1::integer, array[]::text[], 42::integer").Scan(&n, &val, &m)
if err != nil {
t.Errorf(`error reading array: %v`, err)
}
if len(val) != 0 {
t.Errorf("Expected 0 values, got %d", len(val))
}
if n != 1 {
t.Errorf("Expected n to be 1, but it was %d", n)
}
if m != 42 {
t.Errorf("Expected n to be 42, but it was %d", n)
}
rows, err := conn.Query(context.Background(), "select 1::integer, array['test']::text[] union select 2::integer, array[]::text[] union select 3::integer, array['test']::text[]")
if err != nil {
t.Errorf(`error retrieving rows with array: %v`, err)
}
defer rows.Close()
for rows.Next() {
err = rows.Scan(&n, &val)
if err != nil {
t.Errorf(`error reading array: %v`, err)
}
}
})
}
func TestPointerPointer(t *testing.T) {
t.Parallel()
ctx, cancel := context.WithTimeout(context.Background(), 120*time.Second)
defer cancel()
pgxtest.RunWithQueryExecModes(ctx, t, defaultConnTestRunner, nil, func(ctx context.Context, t testing.TB, conn *pgx.Conn) {
pgxtest.SkipCockroachDB(t, conn, "Server auto converts ints to bigint and test relies on exact types")
type allTypes struct {
s *string
i16 *int16
i32 *int32
i64 *int64
f32 *float32
f64 *float64
b *bool
t *time.Time
}
var actual, zero, expected allTypes
{
s := "foo"
expected.s = &s
i16 := int16(1)
expected.i16 = &i16
i32 := int32(1)
expected.i32 = &i32
i64 := int64(1)
expected.i64 = &i64
f32 := float32(1.23)
expected.f32 = &f32
f64 := float64(1.23)
expected.f64 = &f64
b := true
expected.b = &b
t := time.Unix(123, 5000)
expected.t = &t
}
tests := []struct {
sql string
queryArgs []any
scanArgs []any
expected allTypes
}{
{"select $1::text", []any{expected.s}, []any{&actual.s}, allTypes{s: expected.s}},
{"select $1::text", []any{zero.s}, []any{&actual.s}, allTypes{}},
{"select $1::int2", []any{expected.i16}, []any{&actual.i16}, allTypes{i16: expected.i16}},
{"select $1::int2", []any{zero.i16}, []any{&actual.i16}, allTypes{}},
{"select $1::int4", []any{expected.i32}, []any{&actual.i32}, allTypes{i32: expected.i32}},
{"select $1::int4", []any{zero.i32}, []any{&actual.i32}, allTypes{}},
{"select $1::int8", []any{expected.i64}, []any{&actual.i64}, allTypes{i64: expected.i64}},
{"select $1::int8", []any{zero.i64}, []any{&actual.i64}, allTypes{}},
{"select $1::float4", []any{expected.f32}, []any{&actual.f32}, allTypes{f32: expected.f32}},
{"select $1::float4", []any{zero.f32}, []any{&actual.f32}, allTypes{}},
{"select $1::float8", []any{expected.f64}, []any{&actual.f64}, allTypes{f64: expected.f64}},
{"select $1::float8", []any{zero.f64}, []any{&actual.f64}, allTypes{}},
{"select $1::bool", []any{expected.b}, []any{&actual.b}, allTypes{b: expected.b}},
{"select $1::bool", []any{zero.b}, []any{&actual.b}, allTypes{}},
{"select $1::timestamptz", []any{expected.t}, []any{&actual.t}, allTypes{t: expected.t}},
{"select $1::timestamptz", []any{zero.t}, []any{&actual.t}, allTypes{}},
}
for i, tt := range tests {
actual = zero
err := conn.QueryRow(context.Background(), tt.sql, tt.queryArgs...).Scan(tt.scanArgs...)
if err != nil {
t.Errorf("%d. Unexpected failure: %v (sql -> %v, queryArgs -> %v)", i, err, tt.sql, tt.queryArgs)
}
assert.Equal(t, tt.expected.s, actual.s)
assert.Equal(t, tt.expected.i16, actual.i16)
assert.Equal(t, tt.expected.i32, actual.i32)
assert.Equal(t, tt.expected.i64, actual.i64)
assert.Equal(t, tt.expected.f32, actual.f32)
assert.Equal(t, tt.expected.f64, actual.f64)
assert.Equal(t, tt.expected.b, actual.b)
if tt.expected.t != nil || actual.t != nil {
assert.True(t, tt.expected.t.Equal(*actual.t))
}
ensureConnValid(t, conn)
}
})
}
func TestPointerPointerNonZero(t *testing.T) {
t.Parallel()
ctx, cancel := context.WithTimeout(context.Background(), 120*time.Second)
defer cancel()
pgxtest.RunWithQueryExecModes(ctx, t, defaultConnTestRunner, nil, func(ctx context.Context, t testing.TB, conn *pgx.Conn) {
f := "foo"
dest := &f
err := conn.QueryRow(context.Background(), "select $1::text", nil).Scan(&dest)
if err != nil {
t.Errorf("Unexpected failure scanning: %v", err)
}
if dest != nil {
t.Errorf("Expected dest to be nil, got %#v", dest)
}
})
}
func TestEncodeTypeRename(t *testing.T) {
t.Parallel()
ctx, cancel := context.WithTimeout(context.Background(), 120*time.Second)
defer cancel()
pgxtest.RunWithQueryExecModes(ctx, t, defaultConnTestRunner, nil, func(ctx context.Context, t testing.TB, conn *pgx.Conn) {
type _int int
inInt := _int(1)
var outInt _int
type _int8 int8
inInt8 := _int8(2)
var outInt8 _int8
type _int16 int16
inInt16 := _int16(3)
var outInt16 _int16
type _int32 int32
inInt32 := _int32(4)
var outInt32 _int32
type _int64 int64
inInt64 := _int64(5)
var outInt64 _int64
type _uint uint
inUint := _uint(6)
var outUint _uint
type _uint8 uint8
inUint8 := _uint8(7)
var outUint8 _uint8
type _uint16 uint16
inUint16 := _uint16(8)
var outUint16 _uint16
type _uint32 uint32
inUint32 := _uint32(9)
var outUint32 _uint32
type _uint64 uint64
inUint64 := _uint64(10)
var outUint64 _uint64
type _string string
inString := _string("foo")
var outString _string
type _bool bool
inBool := _bool(true)
var outBool _bool
// pgx.QueryExecModeExec requires all types to be registered.
conn.TypeMap().RegisterDefaultPgType(inInt, "int8")
conn.TypeMap().RegisterDefaultPgType(inInt8, "int8")
conn.TypeMap().RegisterDefaultPgType(inInt16, "int8")
conn.TypeMap().RegisterDefaultPgType(inInt32, "int8")
conn.TypeMap().RegisterDefaultPgType(inInt64, "int8")
conn.TypeMap().RegisterDefaultPgType(inUint, "int8")
conn.TypeMap().RegisterDefaultPgType(inUint8, "int8")
conn.TypeMap().RegisterDefaultPgType(inUint16, "int8")
conn.TypeMap().RegisterDefaultPgType(inUint32, "int8")
conn.TypeMap().RegisterDefaultPgType(inUint64, "int8")
conn.TypeMap().RegisterDefaultPgType(inString, "text")
conn.TypeMap().RegisterDefaultPgType(inBool, "bool")
err := conn.QueryRow(context.Background(), "select $1::int, $2::int, $3::int2, $4::int4, $5::int8, $6::int, $7::int, $8::int, $9::int, $10::int, $11::text, $12::bool",
inInt, inInt8, inInt16, inInt32, inInt64, inUint, inUint8, inUint16, inUint32, inUint64, inString, inBool,
).Scan(&outInt, &outInt8, &outInt16, &outInt32, &outInt64, &outUint, &outUint8, &outUint16, &outUint32, &outUint64, &outString, &outBool)
if err != nil {
t.Fatalf("Failed with type rename: %v", err)
}
if inInt != outInt {
t.Errorf("int rename: expected %v, got %v", inInt, outInt)
}
if inInt8 != outInt8 {
t.Errorf("int8 rename: expected %v, got %v", inInt8, outInt8)
}
if inInt16 != outInt16 {
t.Errorf("int16 rename: expected %v, got %v", inInt16, outInt16)
}
if inInt32 != outInt32 {
t.Errorf("int32 rename: expected %v, got %v", inInt32, outInt32)
}
if inInt64 != outInt64 {
t.Errorf("int64 rename: expected %v, got %v", inInt64, outInt64)
}
if inUint != outUint {
t.Errorf("uint rename: expected %v, got %v", inUint, outUint)
}
if inUint8 != outUint8 {
t.Errorf("uint8 rename: expected %v, got %v", inUint8, outUint8)
}
if inUint16 != outUint16 {
t.Errorf("uint16 rename: expected %v, got %v", inUint16, outUint16)
}
if inUint32 != outUint32 {
t.Errorf("uint32 rename: expected %v, got %v", inUint32, outUint32)
}
if inUint64 != outUint64 {
t.Errorf("uint64 rename: expected %v, got %v", inUint64, outUint64)
}
if inString != outString {
t.Errorf("string rename: expected %v, got %v", inString, outString)
}
if inBool != outBool {
t.Errorf("bool rename: expected %v, got %v", inBool, outBool)
}
})
}
// func TestRowDecodeBinary(t *testing.T) {
// t.Parallel()
// conn := mustConnectString(t, os.Getenv("PGX_TEST_DATABASE"))
// defer closeConn(t, conn)
// tests := []struct {
// sql string
// expected []any
// }{
// {
// "select row(1, 'cat', '2015-01-01 08:12:42-00'::timestamptz)",
// []any{
// int32(1),
// "cat",
// time.Date(2015, 1, 1, 8, 12, 42, 0, time.UTC).Local(),
// },
// },
// {
// "select row(100.0::float, 1.09::float)",
// []any{
// float64(100),
// float64(1.09),
// },
// },
// }
// for i, tt := range tests {
// var actual []any
// err := conn.QueryRow(context.Background(), tt.sql).Scan(&actual)
// if err != nil {
// t.Errorf("%d. Unexpected failure: %v (sql -> %v)", i, err, tt.sql)
// continue
// }
// for j := range tt.expected {
// assert.EqualValuesf(t, tt.expected[j], actual[j], "%d. [%d]", i, j)
// }
// ensureConnValid(t, conn)
// }
// }
// https://github.com/jackc/pgx/issues/810
func TestRowsScanNilThenScanValue(t *testing.T) {
t.Parallel()
ctx, cancel := context.WithTimeout(context.Background(), 120*time.Second)
defer cancel()
pgxtest.RunWithQueryExecModes(ctx, t, defaultConnTestRunner, nil, func(ctx context.Context, t testing.TB, conn *pgx.Conn) {
sql := `select null as a, null as b
union
select 1, 2
order by a nulls first
`
rows, err := conn.Query(context.Background(), sql)
require.NoError(t, err)
require.True(t, rows.Next())
err = rows.Scan(nil, nil)
require.NoError(t, err)
require.True(t, rows.Next())
var a int
var b int
err = rows.Scan(&a, &b)
require.NoError(t, err)
require.EqualValues(t, 1, a)
require.EqualValues(t, 2, b)
rows.Close()
require.NoError(t, rows.Err())
})
}
func TestScanIntoByteSlice(t *testing.T) {
t.Parallel()
conn := mustConnectString(t, os.Getenv("PGX_TEST_DATABASE"))
defer closeConn(t, conn)
// Success cases
for _, tt := range []struct {
name string
sql string
resultFormatCode int16
output []byte
}{
{"int - text", "select 42", pgx.TextFormatCode, []byte("42")},
{"int - binary", "select 42", pgx.BinaryFormatCode, []byte("42")},
{"text - text", "select 'hi'", pgx.TextFormatCode, []byte("hi")},
{"text - binary", "select 'hi'", pgx.BinaryFormatCode, []byte("hi")},
{"json - text", "select '{}'::json", pgx.TextFormatCode, []byte("{}")},
{"json - binary", "select '{}'::json", pgx.BinaryFormatCode, []byte("{}")},
{"jsonb - text", "select '{}'::jsonb", pgx.TextFormatCode, []byte("{}")},
{"jsonb - binary", "select '{}'::jsonb", pgx.BinaryFormatCode, []byte("{}")},
} {
t.Run(tt.name, func(t *testing.T) {
var buf []byte
err := conn.QueryRow(context.Background(), tt.sql, pgx.QueryResultFormats{tt.resultFormatCode}).Scan(&buf)
require.NoError(t, err)
require.Equal(t, tt.output, buf)
})
}
}