Class: Sequel::ODBC::Database

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

Direct Known Subclasses

MSSQL::Database

Constant Summary collapse

GUARDED_DRV_NAME =

def connect

conn = ::ODBC::connect(@opts[:database], @opts[:user], @opts[:password])
conn.autocommit = true
conn

end

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

Constants inherited from Database

Database::ADAPTERS, Database::SQL_BEGIN, Database::SQL_COMMIT, Database::SQL_ROLLBACK

Constants included from Schema::SQL

Schema::SQL::AUTOINCREMENT, Schema::SQL::CASCADE, Schema::SQL::COMMA_SEPARATOR, Schema::SQL::NOT_NULL, Schema::SQL::NO_ACTION, Schema::SQL::NULL, Schema::SQL::PRIMARY_KEY, Schema::SQL::RESTRICT, Schema::SQL::SET_DEFAULT, Schema::SQL::SET_NULL, Schema::SQL::TYPES, Schema::SQL::UNDERSCORE, Schema::SQL::UNIQUE, Schema::SQL::UNSIGNED

Instance Attribute Summary

Attributes inherited from Database

#loggers, #opts, #pool, #quote_identifiers

Instance Method Summary collapse

Methods inherited from Database

#<<, #[], adapter_class, adapter_scheme, #add_column, #add_index, #alter_table, connect, #create_or_replace_view, #create_table, #create_table!, #create_view, #drop_column, #drop_index, #drop_table, #drop_view, #fetch, #from, #get, #initialize, #inspect, #log_info, #logger, #logger=, #multi_threaded?, #query, quote_identifiers=, #quote_identifiers?, #rename_column, #rename_table, #select, #serial_primary_key_options, #set_column_default, #set_column_type, single_threaded=, #single_threaded?, #synchronize, #table_exists?, #test_connection, #transaction, #typecast_value, #uri, uri_to_options

Methods included from Schema::SQL

#alter_table_sql, #alter_table_sql_list, #auto_increment_sql, #column_definition_sql, #column_list_sql, #constraint_definition_sql, #create_table_sql_list, #default_index_name, #drop_table_sql, #filter_expr, #index_definition_sql, #index_list_sql_list, #literal, #on_delete_clause, #quote_identifier, #rename_table_sql, #schema, #schema_utility_dataset, #type_literal

Constructor Details

This class inherits a constructor from Sequel::Database

Instance Method Details

#connect ⇒ Object 



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# File 'lib/sequel_core/adapters/odbc.rb', line 17

def connect
  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.capitalize] = value
    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_core/adapters/odbc.rb', line 40

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

#disconnect ⇒ Object 



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# File 'lib/sequel_core/adapters/odbc.rb', line 36

def disconnect
  @pool.disconnect {|c| c.disconnect}
end

#do(sql) ⇒ Object 



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# File 'lib/sequel_core/adapters/odbc.rb', line 55

def do(sql)
  log_info(sql)
  @pool.hold do |conn|
    conn.do(sql)
  end
end

#execute(sql) ⇒ Object

ODBC returns native statement objects, which must be dropped if you call execute manually, or you will get warnings. See the fetch_rows method source code for an example of how to drop the statements.



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# File 'lib/sequel_core/adapters/odbc.rb', line 48

def execute(sql)
  log_info(sql)
  @pool.hold do |conn|
    conn.run(sql)
  end
end