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sample(spanner): add set max commit delay sample (#1299)
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| # Copyright 2024 Google, Inc | ||
| # | ||
| # 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. | ||
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| # [START spanner_set_max_commit_delay] | ||
| require "google/cloud/spanner" | ||
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| ## | ||
| # This is a snippet for showcasing how to pass max_commit_delay in commit_options. | ||
| # | ||
| # @param project_id [String] The ID of the Google Cloud project. | ||
| # @param instance_id [String] The ID of the spanner instance. | ||
| # @param database_id [String] The ID of the database. | ||
| # | ||
| def spanner_set_max_commit_delay project_id:, instance_id:, database_id: | ||
| # Instantiates a client | ||
| spanner = Google::Cloud::Spanner.new project: project_id | ||
| client = spanner.client instance_id, database_id | ||
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| records = [ | ||
| { SingerId: 1, AlbumId: 1, MarketingBudget: 200_000 }, | ||
| { SingerId: 2, AlbumId: 2, MarketingBudget: 400_000 } | ||
| ] | ||
| # max_commit_delay is the amount of latency in millisecond, this request | ||
| # is willing to incur in order to improve throughput. | ||
| # The commit delay must be at least 0ms and at most 500ms. | ||
| # Default value is nil. | ||
| commit_options = { | ||
| return_commit_stats: true, | ||
| max_commit_delay: 100 | ||
| } | ||
| resp = client.upsert "Albums", records, commit_options: commit_options | ||
| puts "Updated data with #{resp.stats.mutation_count} mutations." | ||
| end | ||
| # [END spanner_set_max_commit_delay] |
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| # Copyright 2024 Google, Inc | ||
| # | ||
| # 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. | ||
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| require_relative "./spec_helper" | ||
| require_relative "../spanner_set_max_commit_delay" | ||
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| describe "Google Cloud Spanner max_commit_delay examples" do | ||
| before :each do | ||
| cleanup_database_resources | ||
| create_dml_singers_albums_database | ||
| insert_dml_data project_id: @project_id, | ||
| instance_id: @instance_id, | ||
| database_id: @database_id | ||
| end | ||
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| after :each do | ||
| cleanup_database_resources | ||
| end | ||
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| example "spanner_directed_read" do | ||
| capture do | ||
| spanner_set_max_commit_delay project_id: @project_id, | ||
| instance_id: @instance_id, | ||
| database_id: @database_id | ||
| end | ||
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| expect(captured_output).to include "Updated data with 6 mutations" | ||
| end | ||
| end |