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|
package pgtype_test
import (
"context"
"fmt"
"reflect"
"testing"
"github.com/jackc/pgtype"
"github.com/jackc/pgtype/testutil"
"github.com/jackc/pgx/v4"
)
var recordTests = []struct {
sql string
expected pgtype.Record
}{
{
sql: `select row()`,
expected: pgtype.Record{
Fields: []pgtype.Value{},
Status: pgtype.Present,
},
},
{
sql: `select row('foo'::text, 42::int4)`,
expected: pgtype.Record{
Fields: []pgtype.Value{
&pgtype.Text{String: "foo", Status: pgtype.Present},
&pgtype.Int4{Int: 42, Status: pgtype.Present},
},
Status: pgtype.Present,
},
},
{
sql: `select row(100.0::float4, 1.09::float4)`,
expected: pgtype.Record{
Fields: []pgtype.Value{
&pgtype.Float4{Float: 100, Status: pgtype.Present},
&pgtype.Float4{Float: 1.09, Status: pgtype.Present},
},
Status: pgtype.Present,
},
},
{
sql: `select row('foo'::text, array[1, 2, null, 4]::int4[], 42::int4)`,
expected: pgtype.Record{
Fields: []pgtype.Value{
&pgtype.Text{String: "foo", Status: pgtype.Present},
&pgtype.Int4Array{
Elements: []pgtype.Int4{
{Int: 1, Status: pgtype.Present},
{Int: 2, Status: pgtype.Present},
{Status: pgtype.Null},
{Int: 4, Status: pgtype.Present},
},
Dimensions: []pgtype.ArrayDimension{{Length: 4, LowerBound: 1}},
Status: pgtype.Present,
},
&pgtype.Int4{Int: 42, Status: pgtype.Present},
},
Status: pgtype.Present,
},
},
{
sql: `select row(null)`,
expected: pgtype.Record{
Fields: []pgtype.Value{
&pgtype.Unknown{Status: pgtype.Null},
},
Status: pgtype.Present,
},
},
{
sql: `select null::record`,
expected: pgtype.Record{
Status: pgtype.Null,
},
},
}
func TestRecordTranscode(t *testing.T) {
conn := testutil.MustConnectPgx(t)
defer testutil.MustCloseContext(t, conn)
for i, tt := range recordTests {
psName := fmt.Sprintf("test%d", i)
_, err := conn.Prepare(context.Background(), psName, tt.sql)
if err != nil {
t.Fatal(err)
}
t.Run(tt.sql, func(t *testing.T) {
var result pgtype.Record
if err := conn.QueryRow(context.Background(), psName, pgx.QueryResultFormats{pgx.BinaryFormatCode}).Scan(&result); err != nil {
t.Errorf("%v", err)
return
}
if !reflect.DeepEqual(tt.expected, result) {
t.Errorf("expected %#v, got %#v", tt.expected, result)
}
})
}
}
func TestRecordWithUnknownOID(t *testing.T) {
conn := testutil.MustConnectPgx(t)
defer testutil.MustCloseContext(t, conn)
_, err := conn.Exec(context.Background(), `drop type if exists floatrange;
create type floatrange as range (
subtype = float8,
subtype_diff = float8mi
);`)
if err != nil {
t.Fatal(err)
}
defer conn.Exec(context.Background(), "drop type floatrange")
var result pgtype.Record
err = conn.QueryRow(context.Background(), "select row('foo'::text, floatrange(1, 10), 'bar'::text)").Scan(&result)
if err == nil {
t.Errorf("expected error but none")
}
}
func TestRecordAssignTo(t *testing.T) {
var valueSlice []pgtype.Value
var interfaceSlice []interface{}
simpleTests := []struct {
src pgtype.Record
dst interface{}
expected interface{}
}{
{
src: pgtype.Record{
Fields: []pgtype.Value{
&pgtype.Text{String: "foo", Status: pgtype.Present},
&pgtype.Int4{Int: 42, Status: pgtype.Present},
},
Status: pgtype.Present,
},
dst: &valueSlice,
expected: []pgtype.Value{
&pgtype.Text{String: "foo", Status: pgtype.Present},
&pgtype.Int4{Int: 42, Status: pgtype.Present},
},
},
{
src: pgtype.Record{
Fields: []pgtype.Value{
&pgtype.Text{String: "foo", Status: pgtype.Present},
&pgtype.Int4{Int: 42, Status: pgtype.Present},
},
Status: pgtype.Present,
},
dst: &interfaceSlice,
expected: []interface{}{"foo", int32(42)},
},
{
src: pgtype.Record{Status: pgtype.Null},
dst: &valueSlice,
expected: (([]pgtype.Value)(nil)),
},
{
src: pgtype.Record{Status: pgtype.Null},
dst: &interfaceSlice,
expected: (([]interface{})(nil)),
},
}
for i, tt := range simpleTests {
err := tt.src.AssignTo(tt.dst)
if err != nil {
t.Errorf("%d: %v", i, err)
}
if dst := reflect.ValueOf(tt.dst).Elem().Interface(); !reflect.DeepEqual(dst, tt.expected) {
t.Errorf("%d: expected %v to assign %v, but result was %v", i, tt.src, tt.expected, dst)
}
}
}
|
