Module: CassandraObject::Scope::Batches
- Included in:
- CassandraObject::Scope
- Defined in:
- lib/cassandra_object/scope/batches.rb
Instance Method Summary collapse
Instance Method Details
#find_each(options = {}) ⇒ Object
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# File 'lib/cassandra_object/scope/batches.rb', line 4 def find_each( = {}) find_in_batches() do |records| records.each { |record| yield record } end end |
#find_in_batches(options = {}) ⇒ Object
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# File 'lib/cassandra_object/scope/batches.rb', line 10 def find_in_batches( = {}) batch_size = .delete(:batch_size) || 1000 start_key = nil scope = limit(batch_size + 1) records = scope.to_a while records.any? if records.size > batch_size next_record = records.pop else next_record = nil end yield records break if next_record.nil? records = scope.where("#{adapter.primary_key_column} >= '#{next_record.id}'").to_a end end |