// Copyright 2015 Google Inc. All Rights Reserved. // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. package bigquery import ( "errors" "flag" "fmt" "log" "net/http" "os" "reflect" "sort" "strings" "testing" "time" gax "github.com/googleapis/gax-go" "cloud.google.com/go/civil" "cloud.google.com/go/internal" "cloud.google.com/go/internal/pretty" "cloud.google.com/go/internal/testutil" "golang.org/x/net/context" "google.golang.org/api/googleapi" "google.golang.org/api/iterator" "google.golang.org/api/option" ) var ( client *Client dataset *Dataset schema = Schema{ {Name: "name", Type: StringFieldType}, {Name: "num", Type: IntegerFieldType}, } testTableExpiration time.Time ) func TestMain(m *testing.M) { initIntegrationTest() os.Exit(m.Run()) } func getClient(t *testing.T) *Client { if client == nil { t.Skip("Integration tests skipped") } return client } // If integration tests will be run, create a unique bucket for them. func initIntegrationTest() { flag.Parse() // needed for testing.Short() if testing.Short() { return } ctx := context.Background() ts := testutil.TokenSource(ctx, Scope) if ts == nil { log.Println("Integration tests skipped. See CONTRIBUTING.md for details") return } projID := testutil.ProjID() var err error client, err = NewClient(ctx, projID, option.WithTokenSource(ts)) if err != nil { log.Fatalf("NewClient: %v", err) } dataset = client.Dataset("bigquery_integration_test") if err := dataset.Create(ctx); err != nil && !hasStatusCode(err, http.StatusConflict) { // AlreadyExists is 409 log.Fatalf("creating dataset: %v", err) } testTableExpiration = time.Now().Add(10 * time.Minute).Round(time.Second) } func TestIntegration_Create(t *testing.T) { // Check that creating a record field with an empty schema is an error. if client == nil { t.Skip("Integration tests skipped") } table := dataset.Table("t_bad") schema := Schema{ {Name: "rec", Type: RecordFieldType, Schema: Schema{}}, } err := table.Create(context.Background(), schema, TableExpiration(time.Now().Add(5*time.Minute))) if err == nil { t.Fatal("want error, got nil") } if !hasStatusCode(err, http.StatusBadRequest) { t.Fatalf("want a 400 error, got %v", err) } } func TestIntegration_CreateView(t *testing.T) { if client == nil { t.Skip("Integration tests skipped") } ctx := context.Background() table := newTable(t, schema) defer table.Delete(ctx) // Test that standard SQL views work. view := dataset.Table("t_view_standardsql") query := ViewQuery(fmt.Sprintf("SELECT APPROX_COUNT_DISTINCT(name) FROM `%s.%s.%s`", dataset.ProjectID, dataset.DatasetID, table.TableID)) err := view.Create(context.Background(), UseStandardSQL(), query) if err != nil { t.Fatalf("table.create: Did not expect an error, got: %v", err) } view.Delete(ctx) } func TestIntegration_TableMetadata(t *testing.T) { if client == nil { t.Skip("Integration tests skipped") } ctx := context.Background() table := newTable(t, schema) defer table.Delete(ctx) // Check table metadata. md, err := table.Metadata(ctx) if err != nil { t.Fatal(err) } // TODO(jba): check md more thorougly. if got, want := md.ID, fmt.Sprintf("%s:%s.%s", dataset.ProjectID, dataset.DatasetID, table.TableID); got != want { t.Errorf("metadata.ID: got %q, want %q", got, want) } if got, want := md.Type, RegularTable; got != want { t.Errorf("metadata.Type: got %v, want %v", got, want) } if got, want := md.ExpirationTime, testTableExpiration; !got.Equal(want) { t.Errorf("metadata.Type: got %v, want %v", got, want) } // Check that timePartitioning is nil by default if md.TimePartitioning != nil { t.Errorf("metadata.TimePartitioning: got %v, want %v", md.TimePartitioning, nil) } // Create tables that have time partitioning partitionCases := []struct { timePartitioning TimePartitioning expectedExpiration time.Duration }{ {TimePartitioning{}, time.Duration(0)}, {TimePartitioning{time.Second}, time.Second}, } for i, c := range partitionCases { table := dataset.Table(fmt.Sprintf("t_metadata_partition_%v", i)) err = table.Create(context.Background(), schema, c.timePartitioning, TableExpiration(time.Now().Add(5*time.Minute))) if err != nil { t.Fatal(err) } defer table.Delete(ctx) md, err = table.Metadata(ctx) if err != nil { t.Fatal(err) } got := md.TimePartitioning want := &TimePartitioning{c.expectedExpiration} if !reflect.DeepEqual(got, want) { t.Errorf("metadata.TimePartitioning: got %v, want %v", got, want) } } } func TestIntegration_DatasetMetadata(t *testing.T) { if client == nil { t.Skip("Integration tests skipped") } ctx := context.Background() md, err := dataset.Metadata(ctx) if err != nil { t.Fatal(err) } if got, want := md.ID, fmt.Sprintf("%s:%s", dataset.ProjectID, dataset.DatasetID); got != want { t.Errorf("ID: got %q, want %q", got, want) } jan2016 := time.Date(2016, 1, 1, 0, 0, 0, 0, time.UTC) if md.CreationTime.Before(jan2016) { t.Errorf("CreationTime: got %s, want > 2016-1-1", md.CreationTime) } if md.LastModifiedTime.Before(jan2016) { t.Errorf("LastModifiedTime: got %s, want > 2016-1-1", md.LastModifiedTime) } // Verify that we get a NotFound for a nonexistent dataset. _, err = client.Dataset("does_not_exist").Metadata(ctx) if err == nil || !hasStatusCode(err, http.StatusNotFound) { t.Errorf("got %v, want NotFound error", err) } } func TestIntegration_DatasetDelete(t *testing.T) { if client == nil { t.Skip("Integration tests skipped") } ctx := context.Background() ds := client.Dataset("delete_test") if err := ds.Create(ctx); err != nil && !hasStatusCode(err, http.StatusConflict) { // AlreadyExists is 409 t.Fatalf("creating dataset %s: %v", ds, err) } if err := ds.Delete(ctx); err != nil { t.Fatalf("deleting dataset %s: %v", ds, err) } } func TestIntegration_Tables(t *testing.T) { if client == nil { t.Skip("Integration tests skipped") } ctx := context.Background() table := newTable(t, schema) defer table.Delete(ctx) wantName := table.FullyQualifiedName() // This test is flaky due to eventual consistency. ctx, cancel := context.WithTimeout(ctx, 10*time.Second) defer cancel() err := internal.Retry(ctx, gax.Backoff{}, func() (stop bool, err error) { // Iterate over tables in the dataset. it := dataset.Tables(ctx) var tableNames []string for { tbl, err := it.Next() if err == iterator.Done { break } if err != nil { return false, err } tableNames = append(tableNames, tbl.FullyQualifiedName()) } // Other tests may be running with this dataset, so there might be more // than just our table in the list. So don't try for an exact match; just // make sure that our table is there somewhere. for _, tn := range tableNames { if tn == wantName { return true, nil } } return false, fmt.Errorf("got %v\nwant %s in the list", tableNames, wantName) }) if err != nil { t.Fatal(err) } } func TestIntegration_UploadAndRead(t *testing.T) { if client == nil { t.Skip("Integration tests skipped") } ctx := context.Background() table := newTable(t, schema) defer table.Delete(ctx) // Populate the table. upl := table.Uploader() var ( wantRows [][]Value saverRows []*ValuesSaver ) for i, name := range []string{"a", "b", "c"} { row := []Value{name, int64(i)} wantRows = append(wantRows, row) saverRows = append(saverRows, &ValuesSaver{ Schema: schema, InsertID: name, Row: row, }) } if err := upl.Put(ctx, saverRows); err != nil { t.Fatal(putError(err)) } // Wait until the data has been uploaded. This can take a few seconds, according // to https://cloud.google.com/bigquery/streaming-data-into-bigquery. if err := waitForRow(ctx, table); err != nil { t.Fatal(err) } // Read the table. checkRead(t, "upload", table.Read(ctx), wantRows) // Query the table. q := client.Query(fmt.Sprintf("select name, num from %s", table.TableID)) q.DefaultProjectID = dataset.ProjectID q.DefaultDatasetID = dataset.DatasetID rit, err := q.Read(ctx) if err != nil { t.Fatal(err) } checkRead(t, "query", rit, wantRows) // Query the long way. job1, err := q.Run(ctx) if err != nil { t.Fatal(err) } job2, err := client.JobFromID(ctx, job1.ID()) if err != nil { t.Fatal(err) } rit, err = job2.Read(ctx) if err != nil { t.Fatal(err) } checkRead(t, "job.Read", rit, wantRows) // Get statistics. jobStatus, err := job2.Status(ctx) if err != nil { t.Fatal(err) } if jobStatus.Statistics == nil { t.Fatal("jobStatus missing statistics") } if _, ok := jobStatus.Statistics.Details.(*QueryStatistics); !ok { t.Errorf("expected QueryStatistics, got %T", jobStatus.Statistics.Details) } // Test reading directly into a []Value. valueLists, err := readAll(table.Read(ctx)) if err != nil { t.Fatal(err) } it := table.Read(ctx) for i, vl := range valueLists { var got []Value if err := it.Next(&got); err != nil { t.Fatal(err) } want := []Value(vl) if !reflect.DeepEqual(got, want) { t.Errorf("%d: got %v, want %v", i, got, want) } } // Test reading into a map. it = table.Read(ctx) for _, vl := range valueLists { var vm map[string]Value if err := it.Next(&vm); err != nil { t.Fatal(err) } if got, want := len(vm), len(vl); got != want { t.Fatalf("valueMap len: got %d, want %d", got, want) } for i, v := range vl { if got, want := vm[schema[i].Name], v; got != want { t.Errorf("%d, name=%s: got %v, want %v", i, schema[i].Name, got, want) } } } } type SubSubTestStruct struct { Integer int64 } type SubTestStruct struct { String string Record SubSubTestStruct RecordArray []SubSubTestStruct } type TestStruct struct { Name string Bytes []byte Integer int64 Float float64 Boolean bool Timestamp time.Time Date civil.Date Time civil.Time DateTime civil.DateTime StringArray []string IntegerArray []int64 FloatArray []float64 BooleanArray []bool TimestampArray []time.Time DateArray []civil.Date TimeArray []civil.Time DateTimeArray []civil.DateTime Record SubTestStruct RecordArray []SubTestStruct } func TestIntegration_UploadAndReadStructs(t *testing.T) { if client == nil { t.Skip("Integration tests skipped") } schema, err := InferSchema(TestStruct{}) if err != nil { t.Fatal(err) } ctx := context.Background() table := newTable(t, schema) defer table.Delete(ctx) d := civil.Date{2016, 3, 20} tm := civil.Time{15, 4, 5, 0} ts := time.Date(2016, 3, 20, 15, 4, 5, 0, time.UTC) dtm := civil.DateTime{d, tm} d2 := civil.Date{1994, 5, 15} tm2 := civil.Time{1, 2, 4, 0} ts2 := time.Date(1994, 5, 15, 1, 2, 4, 0, time.UTC) dtm2 := civil.DateTime{d2, tm2} // Populate the table. upl := table.Uploader() want := []*TestStruct{ { "a", []byte("byte"), 42, 3.14, true, ts, d, tm, dtm, []string{"a", "b"}, []int64{1, 2}, []float64{1, 1.41}, []bool{true, false}, []time.Time{ts, ts2}, []civil.Date{d, d2}, []civil.Time{tm, tm2}, []civil.DateTime{dtm, dtm2}, SubTestStruct{ "string", SubSubTestStruct{24}, []SubSubTestStruct{{1}, {2}}, }, []SubTestStruct{ {String: "empty"}, { "full", SubSubTestStruct{1}, []SubSubTestStruct{{1}, {2}}, }, }, }, { Name: "b", Bytes: []byte("byte2"), Integer: 24, Float: 4.13, Boolean: false, Timestamp: ts, Date: d, Time: tm, DateTime: dtm, }, } var savers []*StructSaver for _, s := range want { savers = append(savers, &StructSaver{Schema: schema, Struct: s}) } if err := upl.Put(ctx, savers); err != nil { t.Fatal(putError(err)) } // Wait until the data has been uploaded. This can take a few seconds, according // to https://cloud.google.com/bigquery/streaming-data-into-bigquery. if err := waitForRow(ctx, table); err != nil { t.Fatal(err) } // Test iteration with structs. it := table.Read(ctx) var got []*TestStruct for { var g TestStruct err := it.Next(&g) if err == iterator.Done { break } if err != nil { t.Fatal(err) } got = append(got, &g) } sort.Sort(byName(got)) // BigQuery does not elide nils. It reports an error for nil fields. for i, g := range got { if i >= len(want) { t.Errorf("%d: got %v, past end of want", i, pretty.Value(g)) } else if w := want[i]; !reflect.DeepEqual(g, w) { t.Errorf("%d: got %v, want %v", i, pretty.Value(g), pretty.Value(w)) } } } type byName []*TestStruct func (b byName) Len() int { return len(b) } func (b byName) Swap(i, j int) { b[i], b[j] = b[j], b[i] } func (b byName) Less(i, j int) bool { return b[i].Name < b[j].Name } func TestIntegration_Update(t *testing.T) { if client == nil { t.Skip("Integration tests skipped") } ctx := context.Background() table := newTable(t, schema) defer table.Delete(ctx) // Test Update of non-schema fields. tm, err := table.Metadata(ctx) if err != nil { t.Fatal(err) } wantDescription := tm.Description + "more" wantName := tm.Name + "more" got, err := table.Update(ctx, TableMetadataToUpdate{ Description: wantDescription, Name: wantName, }) if err != nil { t.Fatal(err) } if got.Description != wantDescription { t.Errorf("Description: got %q, want %q", got.Description, wantDescription) } if got.Name != wantName { t.Errorf("Name: got %q, want %q", got.Name, wantName) } if !reflect.DeepEqual(got.Schema, schema) { t.Errorf("Schema: got %v, want %v", pretty.Value(got.Schema), pretty.Value(schema)) } // Test schema update. // Columns can be added. schema2 is the same as schema, except for the // added column in the middle. nested := Schema{ {Name: "nested", Type: BooleanFieldType}, {Name: "other", Type: StringFieldType}, } schema2 := Schema{ schema[0], {Name: "rec", Type: RecordFieldType, Schema: nested}, schema[1], } got, err = table.Update(ctx, TableMetadataToUpdate{Schema: schema2}) if err != nil { t.Fatal(err) } // Wherever you add the column, it appears at the end. schema3 := Schema{schema2[0], schema2[2], schema2[1]} if !reflect.DeepEqual(got.Schema, schema3) { t.Errorf("add field:\ngot %v\nwant %v", pretty.Value(got.Schema), pretty.Value(schema3)) } // Updating with the empty schema succeeds, but is a no-op. got, err = table.Update(ctx, TableMetadataToUpdate{Schema: Schema{}}) if err != nil { t.Fatal(err) } if !reflect.DeepEqual(got.Schema, schema3) { t.Errorf("empty schema:\ngot %v\nwant %v", pretty.Value(got.Schema), pretty.Value(schema3)) } // Error cases. for _, test := range []struct { desc string fields []*FieldSchema }{ {"change from optional to required", []*FieldSchema{ schema3[0], {Name: "num", Type: IntegerFieldType, Required: true}, schema3[2], }}, {"add a required field", []*FieldSchema{ schema3[0], schema3[1], schema3[2], {Name: "req", Type: StringFieldType, Required: true}, }}, {"remove a field", []*FieldSchema{schema3[0], schema3[1]}}, {"remove a nested field", []*FieldSchema{ schema3[0], schema3[1], {Name: "rec", Type: RecordFieldType, Schema: Schema{nested[0]}}}}, {"remove all nested fields", []*FieldSchema{ schema3[0], schema3[1], {Name: "rec", Type: RecordFieldType, Schema: Schema{}}}}, } { for { _, err = table.Update(ctx, TableMetadataToUpdate{Schema: Schema(test.fields)}) if !hasStatusCode(err, 403) { break } // We've hit the rate limit for updates. Wait a bit and retry. t.Logf("%s: retrying after getting %v", test.desc, err) time.Sleep(4 * time.Second) } if err == nil { t.Errorf("%s: want error, got nil", test.desc) } else if !hasStatusCode(err, 400) { t.Errorf("%s: want 400, got %v", test.desc, err) } } } func TestIntegration_Load(t *testing.T) { if client == nil { t.Skip("Integration tests skipped") } ctx := context.Background() table := newTable(t, schema) defer table.Delete(ctx) // Load the table from a reader. r := strings.NewReader("a,0\nb,1\nc,2\n") wantRows := [][]Value{ []Value{"a", int64(0)}, []Value{"b", int64(1)}, []Value{"c", int64(2)}, } rs := NewReaderSource(r) loader := table.LoaderFrom(rs) loader.WriteDisposition = WriteTruncate job, err := loader.Run(ctx) if err != nil { t.Fatal(err) } if err := wait(ctx, job); err != nil { t.Fatal(err) } checkRead(t, "reader load", table.Read(ctx), wantRows) } func TestIntegration_DML(t *testing.T) { if client == nil { t.Skip("Integration tests skipped") } ctx := context.Background() // Retry insert; sometimes it fails with INTERNAL. err := internal.Retry(ctx, gax.Backoff{}, func() (bool, error) { table := newTable(t, schema) defer table.Delete(ctx) // Use DML to insert. wantRows := [][]Value{ []Value{"a", int64(0)}, []Value{"b", int64(1)}, []Value{"c", int64(2)}, } query := fmt.Sprintf("INSERT bigquery_integration_test.%s (name, num) "+ "VALUES ('a', 0), ('b', 1), ('c', 2)", table.TableID) q := client.Query(query) q.UseStandardSQL = true // necessary for DML job, err := q.Run(ctx) if err != nil { return false, err } if err := wait(ctx, job); err != nil { return false, err } if msg, ok := compareRead(table.Read(ctx), wantRows); !ok { // Stop on read error, because that has never been flaky. return true, errors.New(msg) } return true, nil }) if err != nil { t.Fatal(err) } } func TestIntegration_TimeTypes(t *testing.T) { if client == nil { t.Skip("Integration tests skipped") } ctx := context.Background() dtSchema := Schema{ {Name: "d", Type: DateFieldType}, {Name: "t", Type: TimeFieldType}, {Name: "dt", Type: DateTimeFieldType}, {Name: "ts", Type: TimestampFieldType}, } table := newTable(t, dtSchema) defer table.Delete(ctx) d := civil.Date{2016, 3, 20} tm := civil.Time{12, 30, 0, 0} ts := time.Date(2016, 3, 20, 15, 04, 05, 0, time.UTC) wantRows := [][]Value{ []Value{d, tm, civil.DateTime{d, tm}, ts}, } upl := table.Uploader() if err := upl.Put(ctx, []*ValuesSaver{ {Schema: dtSchema, Row: wantRows[0]}, }); err != nil { t.Fatal(putError(err)) } if err := waitForRow(ctx, table); err != nil { t.Fatal(err) } // SQL wants DATETIMEs with a space between date and time, but the service // returns them in RFC3339 form, with a "T" between. query := fmt.Sprintf("INSERT bigquery_integration_test.%s (d, t, dt, ts) "+ "VALUES ('%s', '%s', '%s %s', '%s')", table.TableID, d, tm, d, tm, ts.Format("2006-01-02 15:04:05")) q := client.Query(query) q.UseStandardSQL = true // necessary for DML job, err := q.Run(ctx) if err != nil { t.Fatal(err) } if err := wait(ctx, job); err != nil { t.Fatal(err) } wantRows = append(wantRows, wantRows[0]) checkRead(t, "TimeTypes", table.Read(ctx), wantRows) } func TestIntegration_StandardQuery(t *testing.T) { if client == nil { t.Skip("Integration tests skipped") } ctx := context.Background() d := civil.Date{2016, 3, 20} tm := civil.Time{15, 04, 05, 0} ts := time.Date(2016, 3, 20, 15, 04, 05, 0, time.UTC) dtm := ts.Format("2006-01-02 15:04:05") // Constructs Value slices made up of int64s. ints := func(args ...int) []Value { vals := make([]Value, len(args)) for i, arg := range args { vals[i] = int64(arg) } return vals } testCases := []struct { query string wantRow []Value }{ {"SELECT 1", ints(1)}, {"SELECT 1.3", []Value{1.3}}, {"SELECT TRUE", []Value{true}}, {"SELECT 'ABC'", []Value{"ABC"}}, {"SELECT CAST('foo' AS BYTES)", []Value{[]byte("foo")}}, {fmt.Sprintf("SELECT TIMESTAMP '%s'", dtm), []Value{ts}}, {fmt.Sprintf("SELECT [TIMESTAMP '%s', TIMESTAMP '%s']", dtm, dtm), []Value{[]Value{ts, ts}}}, {fmt.Sprintf("SELECT ('hello', TIMESTAMP '%s')", dtm), []Value{[]Value{"hello", ts}}}, {fmt.Sprintf("SELECT DATETIME(TIMESTAMP '%s')", dtm), []Value{civil.DateTime{d, tm}}}, {fmt.Sprintf("SELECT DATE(TIMESTAMP '%s')", dtm), []Value{d}}, {fmt.Sprintf("SELECT TIME(TIMESTAMP '%s')", dtm), []Value{tm}}, {"SELECT (1, 2)", []Value{ints(1, 2)}}, {"SELECT [1, 2, 3]", []Value{ints(1, 2, 3)}}, {"SELECT ([1, 2], 3, [4, 5])", []Value{[]Value{ints(1, 2), int64(3), ints(4, 5)}}}, {"SELECT [(1, 2, 3), (4, 5, 6)]", []Value{[]Value{ints(1, 2, 3), ints(4, 5, 6)}}}, {"SELECT [([1, 2, 3], 4), ([5, 6], 7)]", []Value{[]Value{[]Value{ints(1, 2, 3), int64(4)}, []Value{ints(5, 6), int64(7)}}}}, {"SELECT ARRAY(SELECT STRUCT([1, 2]))", []Value{[]Value{[]Value{ints(1, 2)}}}}, } for _, c := range testCases { q := client.Query(c.query) q.UseStandardSQL = true it, err := q.Read(ctx) if err != nil { t.Fatal(err) } checkRead(t, "StandardQuery", it, [][]Value{c.wantRow}) } } func TestIntegration_LegacyQuery(t *testing.T) { if client == nil { t.Skip("Integration tests skipped") } ctx := context.Background() ts := time.Date(2016, 3, 20, 15, 04, 05, 0, time.UTC) dtm := ts.Format("2006-01-02 15:04:05") testCases := []struct { query string wantRow []Value }{ {"SELECT 1", []Value{int64(1)}}, {"SELECT 1.3", []Value{1.3}}, {"SELECT TRUE", []Value{true}}, {"SELECT 'ABC'", []Value{"ABC"}}, {"SELECT CAST('foo' AS BYTES)", []Value{[]byte("foo")}}, {fmt.Sprintf("SELECT TIMESTAMP('%s')", dtm), []Value{ts}}, {fmt.Sprintf("SELECT DATE(TIMESTAMP('%s'))", dtm), []Value{"2016-03-20"}}, {fmt.Sprintf("SELECT TIME(TIMESTAMP('%s'))", dtm), []Value{"15:04:05"}}, } for _, c := range testCases { q := client.Query(c.query) it, err := q.Read(ctx) if err != nil { t.Fatal(err) } checkRead(t, "LegacyQuery", it, [][]Value{c.wantRow}) } } func TestIntegration_QueryParameters(t *testing.T) { if client == nil { t.Skip("Integration tests skipped") } ctx := context.Background() d := civil.Date{2016, 3, 20} tm := civil.Time{15, 04, 05, 0} dtm := civil.DateTime{d, tm} ts := time.Date(2016, 3, 20, 15, 04, 05, 0, time.UTC) type ss struct { String string } type s struct { Timestamp time.Time StringArray []string SubStruct ss SubStructArray []ss } testCases := []struct { query string parameters []QueryParameter wantRow []Value }{ {"SELECT @val", []QueryParameter{{"val", 1}}, []Value{int64(1)}}, {"SELECT @val", []QueryParameter{{"val", 1.3}}, []Value{1.3}}, {"SELECT @val", []QueryParameter{{"val", true}}, []Value{true}}, {"SELECT @val", []QueryParameter{{"val", "ABC"}}, []Value{"ABC"}}, {"SELECT @val", []QueryParameter{{"val", []byte("foo")}}, []Value{[]byte("foo")}}, {"SELECT @val", []QueryParameter{{"val", ts}}, []Value{ts}}, {"SELECT @val", []QueryParameter{{"val", []time.Time{ts, ts}}}, []Value{[]Value{ts, ts}}}, {"SELECT @val", []QueryParameter{{"val", dtm}}, []Value{dtm}}, {"SELECT @val", []QueryParameter{{"val", d}}, []Value{d}}, {"SELECT @val", []QueryParameter{{"val", tm}}, []Value{tm}}, {"SELECT @val", []QueryParameter{{"val", s{ts, []string{"a", "b"}, ss{"c"}, []ss{{"d"}, {"e"}}}}}, []Value{[]Value{ts, []Value{"a", "b"}, []Value{"c"}, []Value{[]Value{"d"}, []Value{"e"}}}}}, {"SELECT @val.Timestamp, @val.SubStruct.String", []QueryParameter{{"val", s{Timestamp: ts, SubStruct: ss{"a"}}}}, []Value{ts, "a"}}, } for _, c := range testCases { q := client.Query(c.query) q.Parameters = c.parameters it, err := q.Read(ctx) if err != nil { t.Fatal(err) } checkRead(t, "QueryParameters", it, [][]Value{c.wantRow}) } } func TestIntegration_ReadNullIntoStruct(t *testing.T) { // Reading a null into a struct field should return an error (not panic). if client == nil { t.Skip("Integration tests skipped") } ctx := context.Background() table := newTable(t, schema) defer table.Delete(ctx) upl := table.Uploader() row := &ValuesSaver{ Schema: schema, Row: []Value{"name", nil}, } if err := upl.Put(ctx, []*ValuesSaver{row}); err != nil { t.Fatal(putError(err)) } if err := waitForRow(ctx, table); err != nil { t.Fatal(err) } q := client.Query(fmt.Sprintf("select name, num from %s", table.TableID)) q.DefaultProjectID = dataset.ProjectID q.DefaultDatasetID = dataset.DatasetID it, err := q.Read(ctx) if err != nil { t.Fatal(err) } type S struct{ Num int64 } var s S if err := it.Next(&s); err == nil { t.Fatal("got nil, want error") } } // Creates a new, temporary table with a unique name and the given schema. func newTable(t *testing.T, s Schema) *Table { name := fmt.Sprintf("t%d", time.Now().UnixNano()) table := dataset.Table(name) err := table.Create(context.Background(), s, TableExpiration(testTableExpiration)) if err != nil { t.Fatal(err) } return table } func checkRead(t *testing.T, msg string, it *RowIterator, want [][]Value) { if msg2, ok := compareRead(it, want); !ok { t.Errorf("%s: %s", msg, msg2) } } func compareRead(it *RowIterator, want [][]Value) (msg string, ok bool) { got, err := readAll(it) if err != nil { return err.Error(), false } if len(got) != len(want) { return fmt.Sprintf("got %d rows, want %d", len(got), len(want)), false } sort.Sort(byCol0(got)) for i, r := range got { gotRow := []Value(r) wantRow := want[i] if !reflect.DeepEqual(gotRow, wantRow) { return fmt.Sprintf("#%d: got %v, want %v", i, gotRow, wantRow), false } } return "", true } func readAll(it *RowIterator) ([][]Value, error) { var rows [][]Value for { var vals []Value err := it.Next(&vals) if err == iterator.Done { return rows, nil } if err != nil { return nil, err } rows = append(rows, vals) } } type byCol0 [][]Value func (b byCol0) Len() int { return len(b) } func (b byCol0) Swap(i, j int) { b[i], b[j] = b[j], b[i] } func (b byCol0) Less(i, j int) bool { switch a := b[i][0].(type) { case string: return a < b[j][0].(string) case civil.Date: return a.Before(b[j][0].(civil.Date)) default: panic("unknown type") } } func hasStatusCode(err error, code int) bool { if e, ok := err.(*googleapi.Error); ok && e.Code == code { return true } return false } // wait polls the job until it is complete or an error is returned. func wait(ctx context.Context, job *Job) error { status, err := job.Wait(ctx) if err != nil { return fmt.Errorf("getting job status: %v", err) } if status.Err() != nil { return fmt.Errorf("job status error: %#v", status.Err()) } if status.Statistics == nil { return errors.New("nil Statistics") } if status.Statistics.EndTime.IsZero() { return errors.New("EndTime is zero") } if status.Statistics.Details == nil { return errors.New("nil Statistics.Details") } return nil } // waitForRow polls the table until it contains a row. // TODO(jba): use internal.Retry. func waitForRow(ctx context.Context, table *Table) error { for { it := table.Read(ctx) var v []Value err := it.Next(&v) if err == nil { return nil } if err != iterator.Done { return err } time.Sleep(1 * time.Second) } } func putError(err error) string { pme, ok := err.(PutMultiError) if !ok { return err.Error() } var msgs []string for _, err := range pme { msgs = append(msgs, err.Error()) } return strings.Join(msgs, "\n") }