Class: Sequel::ODBC::Database

Inherits:
Database show all
Defined in:
lib/sequel/adapters/odbc.rb

Constant Summary collapse

GUARDED_DRV_NAME = 
/^\{.+\}$/.freeze
DRV_NAME_GUARDS = 
'{%s}'.freeze
DISCONNECT_ERRORS = 
/\A08S01/.freeze

Constants inherited from Database

Database::ADAPTERS, Database::AUTOINCREMENT, Database::CASCADE, Database::COLUMN_DEFINITION_ORDER, Database::COMMA_SEPARATOR, Database::MSSQL_DEFAULT_RE, Database::MYSQL_TIMESTAMP_RE, Database::NOT_NULL, Database::NO_ACTION, Database::NULL, Database::POSTGRES_DEFAULT_RE, Database::PRIMARY_KEY, Database::RESTRICT, Database::SET_DEFAULT, Database::SET_NULL, Database::SQL_BEGIN, Database::SQL_COMMIT, Database::SQL_RELEASE_SAVEPOINT, Database::SQL_ROLLBACK, Database::SQL_ROLLBACK_TO_SAVEPOINT, Database::SQL_SAVEPOINT, Database::STRING_DEFAULT_RE, Database::TEMPORARY, Database::TRANSACTION_BEGIN, Database::TRANSACTION_COMMIT, Database::TRANSACTION_ISOLATION_LEVELS, Database::TRANSACTION_ROLLBACK, Database::UNDERSCORE, Database::UNIQUE, Database::UNSIGNED

Instance Attribute Summary

Attributes inherited from Database

#default_schema, #log_warn_duration, #loggers, #opts, #pool, #prepared_statements, #sql_log_level, #transaction_isolation_level

Instance Method Summary collapse

Methods inherited from Database

#<<, #[], adapter_class, adapter_scheme, #adapter_scheme, #add_column, #add_index, #add_servers, #alter_table, #call, #cast_type_literal, connect, #create_or_replace_view, #create_table, #create_table!, #create_table?, #create_view, #database_type, #disconnect, #drop_column, #drop_index, #drop_table, #drop_view, #dump_indexes_migration, #dump_schema_migration, #dump_table_schema, #each_server, #execute_ddl, #execute_insert, #fetch, #from, #get, #identifier_input_method, identifier_input_method, #identifier_input_method=, identifier_input_method=, #identifier_output_method, identifier_output_method, #identifier_output_method=, identifier_output_method=, #indexes, #inspect, #literal, #log_info, #log_yield, #logger=, #query, #quote_identifiers=, quote_identifiers=, #quote_identifiers?, #remove_servers, #rename_column, #rename_table, #run, #schema, #select, #serial_primary_key_options, #servers, #set_column_default, #set_column_type, single_threaded=, #single_threaded?, #supports_prepared_transactions?, #supports_savepoints?, #supports_transaction_isolation_levels?, #synchronize, #table_exists?, #tables, #test_connection, #transaction, #typecast_value, #uri, #url

Methods included from Metaprogramming

#meta_def

Constructor Details

#initialize(opts) ⇒ Database

Returns a new instance of Database.



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# File 'lib/sequel/adapters/odbc.rb', line 12

def initialize(opts)
  super
  case @opts[:db_type]
  when 'mssql'
    Sequel.ts_require 'adapters/odbc/mssql'
    extend Sequel::ODBC::MSSQL::DatabaseMethods
    set_mssql_unicode_strings
  when 'progress'
    Sequel.ts_require 'adapters/shared/progress'
    extend Sequel::Progress::DatabaseMethods
  end
end

Instance Method Details

#connect(server) ⇒ Object 



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# File 'lib/sequel/adapters/odbc.rb', line 25

def connect(server)
  opts = server_opts(server)
  if opts.include? :driver
    drv = ::ODBC::Driver.new
    drv.name = 'Sequel ODBC Driver130'
    opts.each do |param, value|
      if :driver == param and not (value =~ GUARDED_DRV_NAME)
        value = DRV_NAME_GUARDS % value
      end
      drv.attrs[param.to_s.upcase] = value.to_s
    end
    db = ::ODBC::Database.new
    conn = db.drvconnect(drv)
  else
    conn = ::ODBC::connect(opts[:database], opts[:user], opts[:password])
  end
  conn.autocommit = true
  conn
end

#dataset(opts = nil) ⇒ Object 



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# File 'lib/sequel/adapters/odbc.rb', line 45

def dataset(opts = nil)
  ODBC::Dataset.new(self, opts)
end

#execute(sql, opts = {}) ⇒ Object 



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# File 'lib/sequel/adapters/odbc.rb', line 49

def execute(sql, opts={})
  synchronize(opts[:server]) do |conn|
    begin
      r = log_yield(sql){conn.run(sql)}
      yield(r) if block_given?
    rescue ::ODBC::Error, ArgumentError => e
      raise_error(e, :disconnect=>DISCONNECT_ERRORS.match(e.message))
    ensure
      r.drop if r
    end
    nil
  end
end

#execute_dui(sql, opts = {}) ⇒ Object Also known as: do 



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# File 'lib/sequel/adapters/odbc.rb', line 63

def execute_dui(sql, opts={})
  synchronize(opts[:server]) do |conn|
    begin
      log_yield(sql){conn.do(sql)}
    rescue ::ODBC::Error, ArgumentError => e
      raise_error(e, :disconnect=>DISCONNECT_ERRORS.match(e.message))
    end
  end
end