Module: Sequel::Pervasive::DatabaseMethods

Defined in:
lib/sequel/pervasive_adapter.rb

Instance Method Summary collapse

Instance Method Details

#database_type ⇒ Object

Pervasive SQL Server uses the :psql type.



5
6
7
 
# File 'lib/sequel/pervasive_adapter.rb', line 5

def database_type
  :psql
end

#dataset(opts = nil) ⇒ Object 



9
10
11
12
13
 
# File 'lib/sequel/pervasive_adapter.rb', line 9

def dataset(opts = nil)
  ds = super
  ds.extend(DatasetMethods)
  ds
end

#execute(sql, opts = {}) ⇒ Object

overriding execute to be able to thow a DatabaseDisconnectError when the ODBC::Error is code 08S01.



26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
 
# File 'lib/sequel/pervasive_adapter.rb', line 26

def execute(sql, opts={})
  log_info(sql)
  synchronize(opts[:server]) do |conn|
    begin
      r = conn.run(sql)
      yield(r) if block_given?
    rescue Sequel::DatabaseConnectionError => se
      raise Sequel.convert_exception_class(se, Sequel::DatabaseDisconnectError)
    rescue Sequel::DatabaseError => se
      se = Sequel.convert_exception_class(se, Sequel::DatabaseDisconnectError) if se.message.match(/08S01/)
      raise_error(se)
    rescue ::ODBC::Error => e
      e = Sequel.convert_exception_class(e, Sequel::DatabaseDisconnectError) if e.message.match(/08S01/)
      raise_error(e)
    ensure
      r.drop if r
    end
    nil
  end
end

#select_fields(table, *fields) ⇒ Object

def connect(server)

  conn = super(server)
  conn.autocommit = false if RAILS_ENV == 'test'
  conn
end



21
22
23
 
# File 'lib/sequel/pervasive_adapter.rb', line 21

def select_fields(table, *fields)
  dataset.select_fields(table, *fields)
end