Module: Moneta::Adapters::Sequel::SQLite Private

Defined in:
lib/moneta/adapters/sequel/sqlite.rb

This module is part of a private API. You should avoid using this module if possible, as it may be removed or be changed in the future.

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.extended(mod) ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.


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# File 'lib/moneta/adapters/sequel/sqlite.rb', line 6

def self.extended(mod)
  version = mod.backend.get(::Sequel[:sqlite_version].function)
  # See https://sqlite.org/lang_UPSERT.html
  mod.instance_variable_set(:@can_upsert, ::Gem::Version.new(version) >= ::Gem::Version.new('3.24.0'))
end

Instance Method Details

#increment(key, amount = 1, options = {}) ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.


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# File 'lib/moneta/adapters/sequel/sqlite.rb', line 17

def increment(key, amount = 1, options = {})
  return super unless @can_upsert
  @backend.transaction do
    @increment.call(key: key, value: blob(amount.to_s), amount: amount)
    Integer(load(key))
  end
end

#merge!(pairs, options = {}, &block) ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.


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# File 'lib/moneta/adapters/sequel/sqlite.rb', line 25

def merge!(pairs, options = {}, &block)
  @backend.transaction do
    pairs = yield_merge_pairs(pairs, &block) if block_given?
    @table.insert_conflict(:replace).import([key_column, value_column], blob_pairs(pairs).to_a)
  end

  self
end

#store(key, value, options = {}) ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.


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# File 'lib/moneta/adapters/sequel/sqlite.rb', line 12

def store(key, value, options = {})
  @table.insert_conflict(:replace).insert(key_column => key, value_column => blob(value))
  value
end