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values_test.go
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values_test.go
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package pgx_test
import (
"bytes"
"net"
"reflect"
"strings"
"testing"
"time"
"github.com/jackc/pgx"
)
func TestDateTranscode(t *testing.T) {
t.Parallel()
conn := mustConnect(t, *defaultConnConfig)
defer closeConn(t, conn)
dates := []time.Time{
time.Date(1, 1, 1, 0, 0, 0, 0, time.Local),
time.Date(1000, 1, 1, 0, 0, 0, 0, time.Local),
time.Date(1600, 1, 1, 0, 0, 0, 0, time.Local),
time.Date(1700, 1, 1, 0, 0, 0, 0, time.Local),
time.Date(1800, 1, 1, 0, 0, 0, 0, time.Local),
time.Date(1900, 1, 1, 0, 0, 0, 0, time.Local),
time.Date(1990, 1, 1, 0, 0, 0, 0, time.Local),
time.Date(1999, 12, 31, 0, 0, 0, 0, time.Local),
time.Date(2000, 1, 1, 0, 0, 0, 0, time.Local),
time.Date(2001, 1, 2, 0, 0, 0, 0, time.Local),
time.Date(2004, 2, 29, 0, 0, 0, 0, time.Local),
time.Date(2013, 7, 4, 0, 0, 0, 0, time.Local),
time.Date(2013, 12, 25, 0, 0, 0, 0, time.Local),
time.Date(2029, 1, 1, 0, 0, 0, 0, time.Local),
time.Date(2081, 1, 1, 0, 0, 0, 0, time.Local),
time.Date(2096, 2, 29, 0, 0, 0, 0, time.Local),
time.Date(2550, 1, 1, 0, 0, 0, 0, time.Local),
time.Date(9999, 12, 31, 0, 0, 0, 0, time.Local),
}
for _, actualDate := range dates {
var d time.Time
err := conn.QueryRow("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()
conn := mustConnect(t, *defaultConnConfig)
defer closeConn(t, conn)
inputTime := time.Date(2013, 1, 2, 3, 4, 5, 6000, time.Local)
var outputTime time.Time
err := conn.QueryRow("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)
}
err = conn.QueryRow("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)
}
}
func TestJsonAndJsonbTranscode(t *testing.T) {
t.Parallel()
conn := mustConnect(t, *defaultConnConfig)
defer closeConn(t, conn)
for _, oid := range []pgx.Oid{pgx.JsonOid, pgx.JsonbOid} {
if _, ok := conn.PgTypes[oid]; !ok {
return // No JSON/JSONB type -- must be running against old PostgreSQL
}
for _, format := range []int16{pgx.TextFormatCode, pgx.BinaryFormatCode} {
pgtype := conn.PgTypes[oid]
pgtype.DefaultFormat = format
conn.PgTypes[oid] = pgtype
typename := conn.PgTypes[oid].Name
testJsonString(t, conn, typename, format)
testJsonStringPointer(t, conn, typename, format)
testJsonSingleLevelStringMap(t, conn, typename, format)
testJsonNestedMap(t, conn, typename, format)
testJsonStringArray(t, conn, typename, format)
testJsonInt64Array(t, conn, typename, format)
testJsonInt16ArrayFailureDueToOverflow(t, conn, typename, format)
testJsonStruct(t, conn, typename, format)
}
}
}
func testJsonString(t *testing.T, conn *pgx.Conn, typename string, format int16) {
input := `{"key": "value"}`
expectedOutput := map[string]string{"key": "value"}
var output map[string]string
err := conn.QueryRow("select $1::"+typename, input).Scan(&output)
if err != nil {
t.Errorf("%s %d: QueryRow Scan failed: %v", typename, format, err)
return
}
if !reflect.DeepEqual(expectedOutput, output) {
t.Errorf("%s %d: Did not transcode map[string]string successfully: %v is not %v", typename, format, expectedOutput, output)
return
}
}
func testJsonStringPointer(t *testing.T, conn *pgx.Conn, typename string, format int16) {
input := `{"key": "value"}`
expectedOutput := map[string]string{"key": "value"}
var output map[string]string
err := conn.QueryRow("select $1::"+typename, &input).Scan(&output)
if err != nil {
t.Errorf("%s %d: QueryRow Scan failed: %v", typename, format, err)
return
}
if !reflect.DeepEqual(expectedOutput, output) {
t.Errorf("%s %d: Did not transcode map[string]string successfully: %v is not %v", typename, format, expectedOutput, output)
return
}
}
func testJsonSingleLevelStringMap(t *testing.T, conn *pgx.Conn, typename string, format int16) {
input := map[string]string{"key": "value"}
var output map[string]string
err := conn.QueryRow("select $1::"+typename, input).Scan(&output)
if err != nil {
t.Errorf("%s %d: QueryRow Scan failed: %v", typename, format, err)
return
}
if !reflect.DeepEqual(input, output) {
t.Errorf("%s %d: Did not transcode map[string]string successfully: %v is not %v", typename, format, input, output)
return
}
}
func testJsonNestedMap(t *testing.T, conn *pgx.Conn, typename string, format int16) {
input := map[string]interface{}{
"name": "Uncanny",
"stats": map[string]interface{}{"hp": float64(107), "maxhp": float64(150)},
"inventory": []interface{}{"phone", "key"},
}
var output map[string]interface{}
err := conn.QueryRow("select $1::"+typename, input).Scan(&output)
if err != nil {
t.Errorf("%s %d: QueryRow Scan failed: %v", typename, format, err)
return
}
if !reflect.DeepEqual(input, output) {
t.Errorf("%s %d: Did not transcode map[string]interface{} successfully: %v is not %v", typename, format, input, output)
return
}
}
func testJsonStringArray(t *testing.T, conn *pgx.Conn, typename string, format int16) {
input := []string{"foo", "bar", "baz"}
var output []string
err := conn.QueryRow("select $1::"+typename, input).Scan(&output)
if err != nil {
t.Errorf("%s %d: QueryRow Scan failed: %v", typename, format, err)
}
if !reflect.DeepEqual(input, output) {
t.Errorf("%s %d: Did not transcode []string successfully: %v is not %v", typename, format, input, output)
}
}
func testJsonInt64Array(t *testing.T, conn *pgx.Conn, typename string, format int16) {
input := []int64{1, 2, 234432}
var output []int64
err := conn.QueryRow("select $1::"+typename, input).Scan(&output)
if err != nil {
t.Errorf("%s %d: QueryRow Scan failed: %v", typename, format, err)
}
if !reflect.DeepEqual(input, output) {
t.Errorf("%s %d: Did not transcode []int64 successfully: %v is not %v", typename, format, input, output)
}
}
func testJsonInt16ArrayFailureDueToOverflow(t *testing.T, conn *pgx.Conn, typename string, format int16) {
input := []int{1, 2, 234432}
var output []int16
err := conn.QueryRow("select $1::"+typename, input).Scan(&output)
if err == nil || err.Error() != "can't scan into dest[0]: json: cannot unmarshal number 234432 into Go value of type int16" {
t.Errorf("%s %d: Expected *json.UnmarkalTypeError, but got %v", typename, format, err)
}
}
func testJsonStruct(t *testing.T, conn *pgx.Conn, typename string, format int16) {
type person struct {
Name string `json:"name"`
Age int `json:"age"`
}
input := person{
Name: "John",
Age: 42,
}
var output person
err := conn.QueryRow("select $1::"+typename, input).Scan(&output)
if err != nil {
t.Errorf("%s %d: QueryRow Scan failed: %v", typename, format, err)
}
if !reflect.DeepEqual(input, output) {
t.Errorf("%s %d: Did not transcode struct successfully: %v is not %v", typename, format, input, output)
}
}
func mustParseCIDR(t *testing.T, s string) net.IPNet {
_, ipnet, err := net.ParseCIDR(s)
if err != nil {
t.Fatal(err)
}
return *ipnet
}
func TestStringToNotTextTypeTranscode(t *testing.T) {
t.Parallel()
conn := mustConnect(t, *defaultConnConfig)
defer closeConn(t, conn)
input := "01086ee0-4963-4e35-9116-30c173a8d0bd"
var output string
err := conn.QueryRow("select $1::uuid", input).Scan(&output)
if err != nil {
t.Fatal(err)
}
if input != output {
t.Errorf("uuid: Did not transcode string successfully: %s is not %s", input, output)
}
err = conn.QueryRow("select $1::uuid", &input).Scan(&output)
if err != nil {
t.Fatal(err)
}
if input != output {
t.Errorf("uuid: Did not transcode pointer to string successfully: %s is not %s", input, output)
}
}
func TestInetCidrTranscodeIPNet(t *testing.T) {
t.Parallel()
conn := mustConnect(t, *defaultConnConfig)
defer closeConn(t, 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 {
var actual net.IPNet
err := conn.QueryRow(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)
}
ensureConnValid(t, conn)
}
}
func TestInetCidrTranscodeIP(t *testing.T) {
t.Parallel()
conn := mustConnect(t, *defaultConnConfig)
defer closeConn(t, 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 {
var actual net.IP
err := conn.QueryRow(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(tt.sql, tt.value).Scan(&actual)
if !strings.Contains(err.Error(), "Cannot decode netmask") {
t.Errorf("%d. Expected failure cannot decode netmask, but got: %v (sql -> %v, value -> %v)", i, err, tt.sql, tt.value)
continue
}
ensureConnValid(t, conn)
}
}
func TestInetCidrArrayTranscodeIPNet(t *testing.T) {
t.Parallel()
conn := mustConnect(t, *defaultConnConfig)
defer closeConn(t, 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 {
var actual []net.IPNet
err := conn.QueryRow(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()
conn := mustConnect(t, *defaultConnConfig)
defer closeConn(t, 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 {
var actual []net.IP
err := conn.QueryRow(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)
}
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(tt.sql, tt.value).Scan(&actual)
if err == nil || !strings.Contains(err.Error(), "Cannot decode netmask") {
t.Errorf("%d. Expected failure cannot decode netmask, but got: %v (sql -> %v, value -> %v)", i, err, tt.sql, tt.value)
continue
}
ensureConnValid(t, conn)
}
}
func TestInetCidrTranscodeWithJustIP(t *testing.T) {
t.Parallel()
conn := mustConnect(t, *defaultConnConfig)
defer closeConn(t, 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 {
expected := mustParseCIDR(t, tt.value)
var actual net.IPNet
err := conn.QueryRow(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 TestNullX(t *testing.T) {
t.Parallel()
conn := mustConnect(t, *defaultConnConfig)
defer closeConn(t, conn)
type allTypes struct {
s pgx.NullString
i16 pgx.NullInt16
i32 pgx.NullInt32
c pgx.NullChar
a pgx.NullAclItem
n pgx.NullName
oid pgx.NullOid
xid pgx.NullXid
cid pgx.NullCid
tid pgx.NullTid
i64 pgx.NullInt64
f32 pgx.NullFloat32
f64 pgx.NullFloat64
b pgx.NullBool
t pgx.NullTime
}
var actual, zero allTypes
tests := []struct {
sql string
queryArgs []interface{}
scanArgs []interface{}
expected allTypes
}{
{"select $1::text", []interface{}{pgx.NullString{String: "foo", Valid: true}}, []interface{}{&actual.s}, allTypes{s: pgx.NullString{String: "foo", Valid: true}}},
{"select $1::text", []interface{}{pgx.NullString{String: "foo", Valid: false}}, []interface{}{&actual.s}, allTypes{s: pgx.NullString{String: "", Valid: false}}},
{"select $1::int2", []interface{}{pgx.NullInt16{Int16: 1, Valid: true}}, []interface{}{&actual.i16}, allTypes{i16: pgx.NullInt16{Int16: 1, Valid: true}}},
{"select $1::int2", []interface{}{pgx.NullInt16{Int16: 1, Valid: false}}, []interface{}{&actual.i16}, allTypes{i16: pgx.NullInt16{Int16: 0, Valid: false}}},
{"select $1::int4", []interface{}{pgx.NullInt32{Int32: 1, Valid: true}}, []interface{}{&actual.i32}, allTypes{i32: pgx.NullInt32{Int32: 1, Valid: true}}},
{"select $1::int4", []interface{}{pgx.NullInt32{Int32: 1, Valid: false}}, []interface{}{&actual.i32}, allTypes{i32: pgx.NullInt32{Int32: 0, Valid: false}}},
{"select $1::oid", []interface{}{pgx.NullOid{Oid: 1, Valid: true}}, []interface{}{&actual.oid}, allTypes{oid: pgx.NullOid{Oid: 1, Valid: true}}},
{"select $1::oid", []interface{}{pgx.NullOid{Oid: 1, Valid: false}}, []interface{}{&actual.oid}, allTypes{oid: pgx.NullOid{Oid: 0, Valid: false}}},
{"select $1::oid", []interface{}{pgx.NullOid{Oid: 4294967295, Valid: true}}, []interface{}{&actual.oid}, allTypes{oid: pgx.NullOid{Oid: 4294967295, Valid: true}}},
{"select $1::xid", []interface{}{pgx.NullXid{Xid: 1, Valid: true}}, []interface{}{&actual.xid}, allTypes{xid: pgx.NullXid{Xid: 1, Valid: true}}},
{"select $1::xid", []interface{}{pgx.NullXid{Xid: 1, Valid: false}}, []interface{}{&actual.xid}, allTypes{xid: pgx.NullXid{Xid: 0, Valid: false}}},
{"select $1::xid", []interface{}{pgx.NullXid{Xid: 4294967295, Valid: true}}, []interface{}{&actual.xid}, allTypes{xid: pgx.NullXid{Xid: 4294967295, Valid: true}}},
{"select $1::\"char\"", []interface{}{pgx.NullChar{Char: 1, Valid: true}}, []interface{}{&actual.c}, allTypes{c: pgx.NullChar{Char: 1, Valid: true}}},
{"select $1::\"char\"", []interface{}{pgx.NullChar{Char: 1, Valid: false}}, []interface{}{&actual.c}, allTypes{c: pgx.NullChar{Char: 0, Valid: false}}},
{"select $1::\"char\"", []interface{}{pgx.NullChar{Char: 255, Valid: true}}, []interface{}{&actual.c}, allTypes{c: pgx.NullChar{Char: 255, Valid: true}}},
{"select $1::name", []interface{}{pgx.NullName{Name: "foo", Valid: true}}, []interface{}{&actual.n}, allTypes{n: pgx.NullName{Name: "foo", Valid: true}}},
{"select $1::name", []interface{}{pgx.NullName{Name: "foo", Valid: false}}, []interface{}{&actual.n}, allTypes{n: pgx.NullName{Name: "", Valid: false}}},
{"select $1::aclitem", []interface{}{pgx.NullAclItem{AclItem: "postgres=arwdDxt/postgres", Valid: true}}, []interface{}{&actual.a}, allTypes{a: pgx.NullAclItem{AclItem: "postgres=arwdDxt/postgres", Valid: true}}},
{"select $1::aclitem", []interface{}{pgx.NullAclItem{AclItem: "postgres=arwdDxt/postgres", Valid: false}}, []interface{}{&actual.a}, allTypes{a: pgx.NullAclItem{AclItem: "", Valid: false}}},
// A tricky (and valid) aclitem can still be used, especially with Go's useful backticks
{"select $1::aclitem", []interface{}{pgx.NullAclItem{AclItem: `postgres=arwdDxt/" tricky, ' } "" \ test user "`, Valid: true}}, []interface{}{&actual.a}, allTypes{a: pgx.NullAclItem{AclItem: `postgres=arwdDxt/" tricky, ' } "" \ test user "`, Valid: true}}},
{"select $1::cid", []interface{}{pgx.NullCid{Cid: 1, Valid: true}}, []interface{}{&actual.cid}, allTypes{cid: pgx.NullCid{Cid: 1, Valid: true}}},
{"select $1::cid", []interface{}{pgx.NullCid{Cid: 1, Valid: false}}, []interface{}{&actual.cid}, allTypes{cid: pgx.NullCid{Cid: 0, Valid: false}}},
{"select $1::cid", []interface{}{pgx.NullCid{Cid: 4294967295, Valid: true}}, []interface{}{&actual.cid}, allTypes{cid: pgx.NullCid{Cid: 4294967295, Valid: true}}},
{"select $1::tid", []interface{}{pgx.NullTid{Tid: pgx.Tid{BlockNumber: 1, OffsetNumber: 1}, Valid: true}}, []interface{}{&actual.tid}, allTypes{tid: pgx.NullTid{Tid: pgx.Tid{BlockNumber: 1, OffsetNumber: 1}, Valid: true}}},
{"select $1::tid", []interface{}{pgx.NullTid{Tid: pgx.Tid{BlockNumber: 1, OffsetNumber: 1}, Valid: false}}, []interface{}{&actual.tid}, allTypes{tid: pgx.NullTid{Tid: pgx.Tid{BlockNumber: 0, OffsetNumber: 0}, Valid: false}}},
{"select $1::tid", []interface{}{pgx.NullTid{Tid: pgx.Tid{BlockNumber: 4294967295, OffsetNumber: 65535}, Valid: true}}, []interface{}{&actual.tid}, allTypes{tid: pgx.NullTid{Tid: pgx.Tid{BlockNumber: 4294967295, OffsetNumber: 65535}, Valid: true}}},
{"select $1::int8", []interface{}{pgx.NullInt64{Int64: 1, Valid: true}}, []interface{}{&actual.i64}, allTypes{i64: pgx.NullInt64{Int64: 1, Valid: true}}},
{"select $1::int8", []interface{}{pgx.NullInt64{Int64: 1, Valid: false}}, []interface{}{&actual.i64}, allTypes{i64: pgx.NullInt64{Int64: 0, Valid: false}}},
{"select $1::float4", []interface{}{pgx.NullFloat32{Float32: 1.23, Valid: true}}, []interface{}{&actual.f32}, allTypes{f32: pgx.NullFloat32{Float32: 1.23, Valid: true}}},
{"select $1::float4", []interface{}{pgx.NullFloat32{Float32: 1.23, Valid: false}}, []interface{}{&actual.f32}, allTypes{f32: pgx.NullFloat32{Float32: 0, Valid: false}}},
{"select $1::float8", []interface{}{pgx.NullFloat64{Float64: 1.23, Valid: true}}, []interface{}{&actual.f64}, allTypes{f64: pgx.NullFloat64{Float64: 1.23, Valid: true}}},
{"select $1::float8", []interface{}{pgx.NullFloat64{Float64: 1.23, Valid: false}}, []interface{}{&actual.f64}, allTypes{f64: pgx.NullFloat64{Float64: 0, Valid: false}}},
{"select $1::bool", []interface{}{pgx.NullBool{Bool: true, Valid: true}}, []interface{}{&actual.b}, allTypes{b: pgx.NullBool{Bool: true, Valid: true}}},
{"select $1::bool", []interface{}{pgx.NullBool{Bool: true, Valid: false}}, []interface{}{&actual.b}, allTypes{b: pgx.NullBool{Bool: false, Valid: false}}},
{"select $1::timestamptz", []interface{}{pgx.NullTime{Time: time.Unix(123, 5000), Valid: true}}, []interface{}{&actual.t}, allTypes{t: pgx.NullTime{Time: time.Unix(123, 5000), Valid: true}}},
{"select $1::timestamptz", []interface{}{pgx.NullTime{Time: time.Unix(123, 5000), Valid: false}}, []interface{}{&actual.t}, allTypes{t: pgx.NullTime{Time: time.Time{}, Valid: false}}},
{"select $1::timestamp", []interface{}{pgx.NullTime{Time: time.Unix(123, 5000), Valid: true}}, []interface{}{&actual.t}, allTypes{t: pgx.NullTime{Time: time.Unix(123, 5000), Valid: true}}},
{"select $1::timestamp", []interface{}{pgx.NullTime{Time: time.Unix(123, 5000), Valid: false}}, []interface{}{&actual.t}, allTypes{t: pgx.NullTime{Time: time.Time{}, Valid: false}}},
{"select $1::date", []interface{}{pgx.NullTime{Time: time.Date(1990, 1, 1, 0, 0, 0, 0, time.Local), Valid: true}}, []interface{}{&actual.t}, allTypes{t: pgx.NullTime{Time: time.Date(1990, 1, 1, 0, 0, 0, 0, time.Local), Valid: true}}},
{"select $1::date", []interface{}{pgx.NullTime{Time: time.Date(1990, 1, 1, 0, 0, 0, 0, time.Local), Valid: false}}, []interface{}{&actual.t}, allTypes{t: pgx.NullTime{Time: time.Time{}, Valid: false}}},
{"select 42::int4, $1::float8", []interface{}{pgx.NullFloat64{Float64: 1.23, Valid: true}}, []interface{}{&actual.i32, &actual.f64}, allTypes{i32: pgx.NullInt32{Int32: 42, Valid: true}, f64: pgx.NullFloat64{Float64: 1.23, Valid: true}}},
}
for i, tt := range tests {
actual = zero
err := conn.QueryRow(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)
}
if actual != tt.expected {
t.Errorf("%d. Expected %v, got %v (sql -> %v, queryArgs -> %v)", i, tt.expected, actual, tt.sql, tt.queryArgs)
}
ensureConnValid(t, conn)
}
}
func assertAclItemSlicesEqual(t *testing.T, query, scan []pgx.AclItem) {
if !reflect.DeepEqual(query, scan) {
t.Errorf("failed to encode aclitem[]\n EXPECTED: %d %v\n ACTUAL: %d %v", len(query), query, len(scan), scan)
}
}
func TestAclArrayDecoding(t *testing.T) {
t.Parallel()
conn := mustConnect(t, *defaultConnConfig)
defer closeConn(t, conn)
sql := "select $1::aclitem[]"
var scan []pgx.AclItem
tests := []struct {
query []pgx.AclItem
}{
{
[]pgx.AclItem{},
},
{
[]pgx.AclItem{"=r/postgres"},
},
{
[]pgx.AclItem{"=r/postgres", "postgres=arwdDxt/postgres"},
},
{
[]pgx.AclItem{"=r/postgres", "postgres=arwdDxt/postgres", `postgres=arwdDxt/" tricky, ' } "" \ test user "`},
},
}
for i, tt := range tests {
err := conn.QueryRow(sql, tt.query).Scan(&scan)
if err != nil {
// t.Errorf(`%d. error reading array: %v`, i, err)
t.Errorf(`%d. error reading array: %v query: %s`, i, err, tt.query)
if pgerr, ok := err.(pgx.PgError); ok {
t.Errorf(`%d. error reading array (detail): %s`, i, pgerr.Detail)
}
continue
}
assertAclItemSlicesEqual(t, tt.query, scan)
ensureConnValid(t, conn)
}
}
func TestArrayDecoding(t *testing.T) {
t.Parallel()
conn := mustConnect(t, *defaultConnConfig)
defer closeConn(t, conn)
tests := []struct {
sql string
query interface{}
scan interface{}
assert func(*testing.T, interface{}, interface{})
}{
{
"select $1::bool[]", []bool{true, false, true}, &[]bool{},
func(t *testing.T, query, scan interface{}) {
if !reflect.DeepEqual(query, *(scan.(*[]bool))) {
t.Errorf("failed to encode bool[]")
}
},
},
{
"select $1::smallint[]", []int16{2, 4, 484, 32767}, &[]int16{},
func(t *testing.T, query, scan interface{}) {
if !reflect.DeepEqual(query, *(scan.(*[]int16))) {
t.Errorf("failed to encode smallint[]")
}
},
},
{
"select $1::smallint[]", []uint16{2, 4, 484, 32767}, &[]uint16{},
func(t *testing.T, query, scan interface{}) {
if !reflect.DeepEqual(query, *(scan.(*[]uint16))) {
t.Errorf("failed to encode smallint[]")
}
},
},
{
"select $1::int[]", []int32{2, 4, 484}, &[]int32{},
func(t *testing.T, query, scan interface{}) {
if !reflect.DeepEqual(query, *(scan.(*[]int32))) {
t.Errorf("failed to encode int[]")
}
},
},
{
"select $1::int[]", []uint32{2, 4, 484, 2147483647}, &[]uint32{},
func(t *testing.T, query, scan interface{}) {
if !reflect.DeepEqual(query, *(scan.(*[]uint32))) {
t.Errorf("failed to encode int[]")
}
},
},
{
"select $1::bigint[]", []int64{2, 4, 484, 9223372036854775807}, &[]int64{},
func(t *testing.T, query, scan interface{}) {
if !reflect.DeepEqual(query, *(scan.(*[]int64))) {
t.Errorf("failed to encode bigint[]")
}
},
},
{
"select $1::bigint[]", []uint64{2, 4, 484, 9223372036854775807}, &[]uint64{},
func(t *testing.T, query, scan interface{}) {
if !reflect.DeepEqual(query, *(scan.(*[]uint64))) {
t.Errorf("failed to encode bigint[]")
}
},
},
{
"select $1::text[]", []string{"it's", "over", "9000!"}, &[]string{},
func(t *testing.T, query, scan interface{}) {
if !reflect.DeepEqual(query, *(scan.(*[]string))) {
t.Errorf("failed to encode text[]")
}
},
},
{
"select $1::timestamp[]", []time.Time{time.Unix(323232, 0), time.Unix(3239949334, 00)}, &[]time.Time{},
func(t *testing.T, query, scan interface{}) {
if !reflect.DeepEqual(query, *(scan.(*[]time.Time))) {
t.Errorf("failed to encode time.Time[] to timestamp[]")
}
},
},
{
"select $1::timestamptz[]", []time.Time{time.Unix(323232, 0), time.Unix(3239949334, 00)}, &[]time.Time{},
func(t *testing.T, query, scan interface{}) {
if !reflect.DeepEqual(query, *(scan.(*[]time.Time))) {
t.Errorf("failed to encode time.Time[] to timestamptz[]")
}
},
},
{
"select $1::bytea[]", [][]byte{{0, 1, 2, 3}, {4, 5, 6, 7}}, &[][]byte{},
func(t *testing.T, query, scan interface{}) {
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(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)
}
}
type shortScanner struct{}
func (*shortScanner) Scan(r *pgx.ValueReader) error {
r.ReadByte()
return nil
}
func TestShortScanner(t *testing.T) {
t.Parallel()
conn := mustConnect(t, *defaultConnConfig)
defer closeConn(t, conn)
rows, err := conn.Query("select 'ab', 'cd' union select 'cd', 'ef'")
if err != nil {
t.Error(err)
}
defer rows.Close()
for rows.Next() {
var s1, s2 shortScanner
err = rows.Scan(&s1, &s2)
if err != nil {
t.Error(err)
}
}
ensureConnValid(t, conn)
}
func TestEmptyArrayDecoding(t *testing.T) {
t.Parallel()
conn := mustConnect(t, *defaultConnConfig)
defer closeConn(t, conn)
var val []string
err := conn.QueryRow("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("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("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)
}
}
ensureConnValid(t, conn)
}
func TestNullXMismatch(t *testing.T) {
t.Parallel()
conn := mustConnect(t, *defaultConnConfig)
defer closeConn(t, conn)
type allTypes struct {
s pgx.NullString
i16 pgx.NullInt16
i32 pgx.NullInt32
i64 pgx.NullInt64
f32 pgx.NullFloat32
f64 pgx.NullFloat64
b pgx.NullBool
t pgx.NullTime
}
var actual, zero allTypes
tests := []struct {
sql string
queryArgs []interface{}
scanArgs []interface{}
err string
}{
{"select $1::date", []interface{}{pgx.NullString{String: "foo", Valid: true}}, []interface{}{&actual.s}, "invalid input syntax for type date"},
{"select $1::date", []interface{}{pgx.NullInt16{Int16: 1, Valid: true}}, []interface{}{&actual.i16}, "cannot encode into OID 1082"},
{"select $1::date", []interface{}{pgx.NullInt32{Int32: 1, Valid: true}}, []interface{}{&actual.i32}, "cannot encode into OID 1082"},
{"select $1::date", []interface{}{pgx.NullInt64{Int64: 1, Valid: true}}, []interface{}{&actual.i64}, "cannot encode into OID 1082"},
{"select $1::date", []interface{}{pgx.NullFloat32{Float32: 1.23, Valid: true}}, []interface{}{&actual.f32}, "cannot encode into OID 1082"},
{"select $1::date", []interface{}{pgx.NullFloat64{Float64: 1.23, Valid: true}}, []interface{}{&actual.f64}, "cannot encode into OID 1082"},
{"select $1::date", []interface{}{pgx.NullBool{Bool: true, Valid: true}}, []interface{}{&actual.b}, "cannot encode into OID 1082"},
{"select $1::int4", []interface{}{pgx.NullTime{Time: time.Unix(123, 5000), Valid: true}}, []interface{}{&actual.t}, "cannot encode into OID 23"},
}
for i, tt := range tests {
actual = zero
err := conn.QueryRow(tt.sql, tt.queryArgs...).Scan(tt.scanArgs...)
if err == nil || !strings.Contains(err.Error(), tt.err) {
t.Errorf(`%d. Expected error to contain "%s", but it didn't: %v`, i, tt.err, err)
}
ensureConnValid(t, conn)
}
}
func TestPointerPointer(t *testing.T) {
t.Parallel()
conn := mustConnect(t, *defaultConnConfig)
defer closeConn(t, conn)
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 []interface{}
scanArgs []interface{}
expected allTypes
}{
{"select $1::text", []interface{}{expected.s}, []interface{}{&actual.s}, allTypes{s: expected.s}},
{"select $1::text", []interface{}{zero.s}, []interface{}{&actual.s}, allTypes{}},
{"select $1::int2", []interface{}{expected.i16}, []interface{}{&actual.i16}, allTypes{i16: expected.i16}},
{"select $1::int2", []interface{}{zero.i16}, []interface{}{&actual.i16}, allTypes{}},
{"select $1::int4", []interface{}{expected.i32}, []interface{}{&actual.i32}, allTypes{i32: expected.i32}},
{"select $1::int4", []interface{}{zero.i32}, []interface{}{&actual.i32}, allTypes{}},
{"select $1::int8", []interface{}{expected.i64}, []interface{}{&actual.i64}, allTypes{i64: expected.i64}},
{"select $1::int8", []interface{}{zero.i64}, []interface{}{&actual.i64}, allTypes{}},
{"select $1::float4", []interface{}{expected.f32}, []interface{}{&actual.f32}, allTypes{f32: expected.f32}},
{"select $1::float4", []interface{}{zero.f32}, []interface{}{&actual.f32}, allTypes{}},
{"select $1::float8", []interface{}{expected.f64}, []interface{}{&actual.f64}, allTypes{f64: expected.f64}},