Class | Sequel::SQLite::Database |
In: |
lib/sequel_core/adapters/sqlite.rb
|
Parent: | Sequel::Database |
UNIX_EPOCH_TIME_FORMAT | = | /\A\d+\z/.freeze |
Connect to the database. Since SQLite is a file based database, the only options available are :database (to specify the database name), and :timeout, to specify how long to wait for the database to be available if it is locked, given in milliseconds (default is 5000).
# File lib/sequel_core/adapters/sqlite.rb, line 28 28: def connect(server) 29: opts = server_opts(server) 30: opts[:database] = ':memory:' if opts[:database].blank? 31: db = ::SQLite3::Database.new(opts[:database]) 32: db.busy_timeout(opts.fetch(:timeout, 5000)) 33: db.type_translation = true 34: 35: # Handle datetime's with Sequel.datetime_class 36: prok = proc do |t,v| 37: v = Time.at(v.to_i).iso8601 if UNIX_EPOCH_TIME_FORMAT.match(v) 38: v.to_sequel_time 39: end 40: db.translator.add_translator("timestamp", &prok) 41: db.translator.add_translator("datetime", &prok) 42: 43: # Handle numeric values with BigDecimal 44: prok = proc{|t,v| BigDecimal.new(v) rescue v} 45: db.translator.add_translator("numeric", &prok) 46: db.translator.add_translator("decimal", &prok) 47: db.translator.add_translator("money", &prok) 48: 49: # Handle floating point values with Float 50: prok = proc{|t,v| Float(v) rescue v} 51: db.translator.add_translator("float", &prok) 52: db.translator.add_translator("real", &prok) 53: db.translator.add_translator("double precision", &prok) 54: 55: db 56: end
Return instance of Sequel::SQLite::Dataset with the given options.
# File lib/sequel_core/adapters/sqlite.rb, line 59 59: def dataset(opts = nil) 60: SQLite::Dataset.new(self, opts) 61: end
Use the native driver transaction method if there isn‘t already a transaction in progress on the connection, always yielding a connection inside a transaction transaction.
# File lib/sequel_core/adapters/sqlite.rb, line 86 86: def transaction(server=nil, &block) 87: synchronize(server) do |conn| 88: return yield(conn) if conn.transaction_active? 89: begin 90: result = nil 91: log_info('Transaction.begin') 92: conn.transaction{result = yield(conn)} 93: result 94: rescue ::Exception => e 95: log_info('Transaction.rollback') 96: transaction_error(e, SQLite3::Exception) 97: ensure 98: log_info('Transaction.commit') unless e 99: end 100: end 101: end