/
spanner_add_numeric_column.go
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/
spanner_add_numeric_column.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
// [START spanner_add_numeric_column]
import (
"context"
"fmt"
"io"
database "cloud.google.com/go/spanner/admin/database/apiv1"
adminpb "google.golang.org/genproto/googleapis/spanner/admin/database/v1"
)
func addNumericColumn(ctx context.Context, w io.Writer, db string) error {
adminClient, err := database.NewDatabaseAdminClient(ctx)
if err != nil {
return err
}
defer adminClient.Close()
op, err := adminClient.UpdateDatabaseDdl(ctx, &adminpb.UpdateDatabaseDdlRequest{
Database: db,
Statements: []string{
"ALTER TABLE Venues ADD COLUMN Revenue NUMERIC",
},
})
if err != nil {
return err
}
if err := op.Wait(ctx); err != nil {
return err
}
fmt.Fprintf(w, "Added Revenue column\n")
return nil
}
// [END spanner_add_numeric_column]