Class: ActiveRecord::ConnectionAdapters::SQLiteAdapter::StatementPool

Inherits:

ActiveRecord::ConnectionAdapters::StatementPool

• Object
• ActiveRecord::ConnectionAdapters::StatementPool
• ActiveRecord::ConnectionAdapters::SQLiteAdapter::StatementPool

show all

Defined in:

activerecord/lib/active_record/connection_adapters/sqlite_adapter.rb

Instance Method Summary (collapse)

• - (Object) [](key)
• - (Object) []=(sql, key)
• - (Object) clear
• - (Object) each(&block)
• - (StatementPool) initialize(connection, max) constructor

  A new instance of StatementPool.

• - (Boolean) key?(key)
• - (Object) length

Methods inherited from ActiveRecord::ConnectionAdapters::StatementPool

#delete

Methods included from Enumerable

#as_json, #each_with_object, #exclude?, #group_by, #index_by, #many?, #sum

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# File 'activerecord/lib/active_record/connection_adapters/sqlite_adapter.rb', line 54

def initialize(connection, max)
  super
  @cache = Hash.new { |h,pid| h[pid] = {} }
end

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# File 'activerecord/lib/active_record/connection_adapters/sqlite_adapter.rb', line 61

def [](key);      cache[key]; end

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# File 'activerecord/lib/active_record/connection_adapters/sqlite_adapter.rb', line 64

def []=(sql, key)
  while @max <= cache.size
    dealloc(cache.shift.last[:stmt])
  end
  cache[sql] = key
end

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# File 'activerecord/lib/active_record/connection_adapters/sqlite_adapter.rb', line 71

def clear
  cache.values.each do |hash|
    dealloc hash[:stmt]
  end
  cache.clear
end

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# File 'activerecord/lib/active_record/connection_adapters/sqlite_adapter.rb', line 59

def each(&block); cache.each(&block); end

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# File 'activerecord/lib/active_record/connection_adapters/sqlite_adapter.rb', line 60

def key?(key);    cache.key?(key); end

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# File 'activerecord/lib/active_record/connection_adapters/sqlite_adapter.rb', line 62

def length;       cache.length; end