| 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