class ActiveRecord::ConnectionAdapters::SQLite3Adapter::StatementPool

Public Class Methods

new(connection, max) click to toggle source
# File lib/active_record/connection_adapters/sqlite3_adapter.rb, line 69
def initialize(connection, max)
  super
  @cache = Hash.new { |h,pid| h[pid] = {} }
end

Public Instance Methods

[](key) click to toggle source
# File lib/active_record/connection_adapters/sqlite3_adapter.rb, line 76
def [](key);      cache[key]; end
[]=(sql, key) click to toggle source
# File lib/active_record/connection_adapters/sqlite3_adapter.rb, line 79
def []=(sql, key)
  while @max <= cache.size
    dealloc(cache.shift.last[:stmt])
  end
  cache[sql] = key
end
clear() click to toggle source
# File lib/active_record/connection_adapters/sqlite3_adapter.rb, line 86
def clear
  cache.values.each do |hash|
    dealloc hash[:stmt]
  end
  cache.clear
end
each(&block) click to toggle source
# File lib/active_record/connection_adapters/sqlite3_adapter.rb, line 74
def each(&block); cache.each(&block); end
key?(key) click to toggle source
# File lib/active_record/connection_adapters/sqlite3_adapter.rb, line 75
def key?(key);    cache.key?(key); end
length() click to toggle source
# File lib/active_record/connection_adapters/sqlite3_adapter.rb, line 77
def length;       cache.length; end

Private Instance Methods

cache() click to toggle source
# File lib/active_record/connection_adapters/sqlite3_adapter.rb, line 94
def cache
  @cache[$$]
end
dealloc(stmt) click to toggle source
# File lib/active_record/connection_adapters/sqlite3_adapter.rb, line 98
def dealloc(stmt)
  stmt.close unless stmt.closed?
end