Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

RCBC-391: SDK Support for Native KV Range Scans #113

Merged
merged 6 commits into from Jul 21, 2023
Merged
Show file tree
Hide file tree
Changes from 3 commits
Commits
File filter

Filter by extension

Filter by extension

Conversations
Failed to load comments.
Jump to
Jump to file
Failed to load files.
Diff view
Diff view
56 changes: 56 additions & 0 deletions examples/range_scan.rb
@@ -0,0 +1,56 @@
# Copyright 2023. Couchbase, 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.

require 'couchbase'

include Couchbase # rubocop:disable Style/MixinUsage for brevity

options = Cluster::ClusterOptions.new
options.authenticate("Administrator", "password")
cluster = Cluster.connect("couchbase://localhost", options)

bucket = cluster.bucket("travel-sample")
collection = bucket.scope("inventory").collection("airline")

options = Options::Scan.new(ids_only: false)

puts "Range Scan (from 'airline_1' to 'airline_11')"

scan_type = RangeScan.new(
from: ScanTerm.new("airline_1"),
to: ScanTerm.new("airline_11", exclusive: true)
)
res = collection.scan(scan_type, options)

res.each do |item|
puts " (#{item.id}) #{item.content['icao']}: #{item.content['name']}"
end

puts "\nPrefix Scan (with prefix 'airline_8')"

scan_type = PrefixScan.new("airline_8")
res = collection.scan(scan_type, options)

res.each do |item|
puts " (#{item.id}) #{item.content['icao']}: #{item.content['name']}"
end

puts "\nSampling Scan (with limit 5)"

scan_type = SamplingScan.new(5)
res = collection.scan(scan_type, options)

res.each do |item|
puts " (#{item.id}) #{item.content['icao']}: #{item.content['name']}"
end