262 lines
6.3 KiB
Go
262 lines
6.3 KiB
Go
// Copyright 2016 Google Inc. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package bigquery
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import (
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"errors"
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"math"
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"reflect"
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"testing"
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"time"
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"cloud.google.com/go/civil"
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"golang.org/x/net/context"
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bq "google.golang.org/api/bigquery/v2"
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)
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var scalarTests = []struct {
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val interface{}
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want string
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}{
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{int64(0), "0"},
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{3.14, "3.14"},
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{3.14159e-87, "3.14159e-87"},
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{true, "true"},
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{"string", "string"},
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{"\u65e5\u672c\u8a9e\n", "\u65e5\u672c\u8a9e\n"},
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{math.NaN(), "NaN"},
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{[]byte("foo"), "Zm9v"}, // base64 encoding of "foo"
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{time.Date(2016, 3, 20, 4, 22, 9, 5000, time.FixedZone("neg1-2", -3720)),
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"2016-03-20 04:22:09.000005-01:02"},
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{civil.Date{2016, 3, 20}, "2016-03-20"},
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{civil.Time{4, 5, 6, 789000000}, "04:05:06.789000"},
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{civil.DateTime{civil.Date{2016, 3, 20}, civil.Time{4, 5, 6, 789000000}}, "2016-03-20 04:05:06.789000"},
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}
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type S1 struct {
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A int
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B *S2
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C bool
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}
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type S2 struct {
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D string
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e int
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}
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var s1 = S1{
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A: 1,
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B: &S2{D: "s"},
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C: true,
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}
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func sval(s string) bq.QueryParameterValue {
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return bq.QueryParameterValue{Value: s}
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}
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func TestParamValueScalar(t *testing.T) {
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for _, test := range scalarTests {
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got, err := paramValue(reflect.ValueOf(test.val))
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if err != nil {
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t.Errorf("%v: got %v, want nil", test.val, err)
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continue
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}
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want := sval(test.want)
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if !reflect.DeepEqual(got, want) {
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t.Errorf("%v:\ngot %+v\nwant %+v", test.val, got, want)
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}
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}
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}
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func TestParamValueArray(t *testing.T) {
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qpv := bq.QueryParameterValue{ArrayValues: []*bq.QueryParameterValue{
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{Value: "1"},
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{Value: "2"},
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},
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}
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for _, test := range []struct {
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val interface{}
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want bq.QueryParameterValue
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}{
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{[]int(nil), bq.QueryParameterValue{}},
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{[]int{}, bq.QueryParameterValue{}},
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{[]int{1, 2}, qpv},
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{[2]int{1, 2}, qpv},
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} {
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got, err := paramValue(reflect.ValueOf(test.val))
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if err != nil {
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t.Fatal(err)
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}
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if !reflect.DeepEqual(got, test.want) {
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t.Errorf("%#v:\ngot %+v\nwant %+v", test.val, got, test.want)
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}
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}
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}
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func TestParamValueStruct(t *testing.T) {
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got, err := paramValue(reflect.ValueOf(s1))
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if err != nil {
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t.Fatal(err)
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}
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want := bq.QueryParameterValue{
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StructValues: map[string]bq.QueryParameterValue{
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"A": sval("1"),
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"B": bq.QueryParameterValue{
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StructValues: map[string]bq.QueryParameterValue{
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"D": sval("s"),
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},
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},
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"C": sval("true"),
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},
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}
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if !reflect.DeepEqual(got, want) {
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t.Errorf("got %+v\nwant %+v", got, want)
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}
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}
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func TestParamValueErrors(t *testing.T) {
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// paramValue lets a few invalid types through, but paramType catches them.
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// Since we never call one without the other that's fine.
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for _, val := range []interface{}{nil, new([]int)} {
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_, err := paramValue(reflect.ValueOf(val))
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if err == nil {
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t.Errorf("%v (%T): got nil, want error", val, val)
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}
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}
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}
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func TestParamType(t *testing.T) {
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for _, test := range []struct {
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val interface{}
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want *bq.QueryParameterType
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}{
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{0, int64ParamType},
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{uint32(32767), int64ParamType},
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{3.14, float64ParamType},
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{float32(3.14), float64ParamType},
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{math.NaN(), float64ParamType},
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{true, boolParamType},
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{"", stringParamType},
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{"string", stringParamType},
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{time.Now(), timestampParamType},
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{[]byte("foo"), bytesParamType},
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{[]int{}, &bq.QueryParameterType{Type: "ARRAY", ArrayType: int64ParamType}},
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{[3]bool{}, &bq.QueryParameterType{Type: "ARRAY", ArrayType: boolParamType}},
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{S1{}, &bq.QueryParameterType{
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Type: "STRUCT",
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StructTypes: []*bq.QueryParameterTypeStructTypes{
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{Name: "A", Type: int64ParamType},
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{Name: "B", Type: &bq.QueryParameterType{
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Type: "STRUCT",
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StructTypes: []*bq.QueryParameterTypeStructTypes{
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{Name: "D", Type: stringParamType},
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},
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}},
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{Name: "C", Type: boolParamType},
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},
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}},
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} {
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got, err := paramType(reflect.TypeOf(test.val))
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if err != nil {
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t.Fatal(err)
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}
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if !reflect.DeepEqual(got, test.want) {
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t.Errorf("%v (%T): got %v, want %v", test.val, test.val, got, test.want)
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}
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}
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}
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func TestParamTypeErrors(t *testing.T) {
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for _, val := range []interface{}{
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nil, uint(0), new([]int), make(chan int),
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} {
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_, err := paramType(reflect.TypeOf(val))
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if err == nil {
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t.Errorf("%v (%T): got nil, want error", val, val)
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}
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}
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}
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func TestIntegration_ScalarParam(t *testing.T) {
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c := getClient(t)
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for _, test := range scalarTests {
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got, err := paramRoundTrip(c, test.val)
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if err != nil {
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t.Fatal(err)
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}
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if !equal(got, test.val) {
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t.Errorf("\ngot %#v (%T)\nwant %#v (%T)", got, got, test.val, test.val)
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}
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}
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}
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func TestIntegration_OtherParam(t *testing.T) {
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c := getClient(t)
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for _, test := range []struct {
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val interface{}
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want interface{}
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}{
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{[]int(nil), []Value(nil)},
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{[]int{}, []Value(nil)},
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{[]int{1, 2}, []Value{int64(1), int64(2)}},
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{[3]int{1, 2, 3}, []Value{int64(1), int64(2), int64(3)}},
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{S1{}, []Value{int64(0), nil, false}},
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{s1, []Value{int64(1), []Value{"s"}, true}},
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} {
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got, err := paramRoundTrip(c, test.val)
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if err != nil {
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t.Fatal(err)
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}
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if !equal(got, test.want) {
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t.Errorf("\ngot %#v (%T)\nwant %#v (%T)", got, got, test.want, test.want)
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}
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}
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}
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func paramRoundTrip(c *Client, x interface{}) (Value, error) {
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q := c.Query("select ?")
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q.Parameters = []QueryParameter{{Value: x}}
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it, err := q.Read(context.Background())
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if err != nil {
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return nil, err
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}
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var val []Value
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err = it.Next(&val)
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if err != nil {
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return nil, err
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}
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if len(val) != 1 {
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return nil, errors.New("wrong number of values")
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}
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return val[0], nil
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}
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func equal(x1, x2 interface{}) bool {
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if reflect.TypeOf(x1) != reflect.TypeOf(x2) {
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return false
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}
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switch x1 := x1.(type) {
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case float64:
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if math.IsNaN(x1) {
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return math.IsNaN(x2.(float64))
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}
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return x1 == x2
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case time.Time:
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// BigQuery is only accurate to the microsecond.
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return x1.Round(time.Microsecond).Equal(x2.(time.Time).Round(time.Microsecond))
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default:
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return reflect.DeepEqual(x1, x2)
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}
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}
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