/
spanner_update_documents_table.go
46 lines (41 loc) · 1.57 KB
/
spanner_update_documents_table.go
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// Copyright 2020 Google LLC
//
// 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
//
// https://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 spanner
import (
"context"
"io"
"cloud.google.com/go/spanner"
)
func updateDocumentsTable(w io.Writer, db string) error {
ctx := context.Background()
client, err := spanner.NewClient(ctx, db)
if err != nil {
return err
}
defer client.Close()
cols := []string{"UserId", "DocumentId", "Timestamp", "Contents"}
_, err = client.Apply(ctx, []*spanner.Mutation{
spanner.Update("DocumentsWithTimestamp", cols,
[]interface{}{1, 1, spanner.CommitTimestamp, "Hello World 1 Updated"}),
spanner.Update("DocumentsWithTimestamp", cols,
[]interface{}{1, 3, spanner.CommitTimestamp, "Hello World 3 Updated"}),
spanner.Update("DocumentsWithTimestamp", cols,
[]interface{}{2, 5, spanner.CommitTimestamp, "Hello World 5 Updated"}),
spanner.Update("DocumentsWithTimestamp", cols,
[]interface{}{3, 7, spanner.CommitTimestamp, "Hello World 7 Updated"}),
spanner.Update("DocumentsWithTimestamp", cols,
[]interface{}{3, 9, spanner.CommitTimestamp, "Hello World 9 Updated"}),
})
return err
}