update.yaml

# 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.

databaseChangeLog:
  - preConditions:
     onFail: HALT
     onError: HALT

#
# Update all rows in Singers
#
# Note the DML limit -- this will only work for small tables
#
  - changeSet:  
     id: update-all-rows
     labels: example
     author: spanner-examples
     changes:  
       - update:  
          tableName:  Singers
          where: TRUE
          columns:  
            - column:  
               name: LastName  
               valueComputed: CONCAT(LastName, '-2')
            - column:  
               name: LastUpdateTime  
               valueComputed: PENDING_COMMIT_TIMESTAMP()