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# frozen_string_literal: true
# rubocop:todo all
# Query for all documents in a collection
cursor = client[:restaurants].find
cursor.each do |doc|
puts doc
end
# Query for equality on a top level field
cursor = client[:restaurants].find('borough' => 'Manhattan')
cursor.each do |doc|
puts doc
end
# Query by a field in an embedded document
cursor = client[:restaurants].find('address.zipcode' => '10075')
cursor.each do |doc|
puts doc
end
# Query by a field in an array
cursor = client[:restaurants].find('grades.grade' => 'B')
cursor.each do |doc|
puts doc
end
# Query with the greater-than operator
cursor = client[:restaurants].find('grades.score' => { '$gt' => 30 })
cursor.each do |doc|
puts doc
end
# Query with the less-than operator
cursor = client[:restaurants].find('grades.score' => { '$lt' => 10 })
cursor.each do |doc|
puts doc
end
# Query with a logical conjuction (AND) of query conditions
cursor = client[:restaurants].find({ 'cuisine' => 'Italian',
'address.zipcode' => '10075'})
cursor.each do |doc|
puts doc
end
# Query with a logical disjunction (OR) of query conditions
cursor = client[:restaurants].find('$or' => [{ 'cuisine' => 'Italian' },
{ 'address.zipcode' => '10075'}
]
)
cursor.each do |doc|
puts doc
end
# Sort query results
cursor = client[:restaurants].find.sort('borough' => Mongo::Index::ASCENDING,
'address.zipcode' => Mongo::Index::DESCENDING)
cursor.each do |doc|
puts doc
end
|
