Class | Sequel::ODBC::Database |
In: |
lib/sequel/adapters/odbc.rb
|
Parent: | Sequel::Database |
GUARDED_DRV_NAME | = | /^\{.+\}$/.freeze |
DRV_NAME_GUARDS | = | '{%s}'.freeze |
# File lib/sequel/adapters/odbc.rb, line 11 11: def initialize(opts) 12: super(opts) 13: case opts[:db_type] 14: when 'mssql' 15: Sequel.require 'adapters/shared/mssql' 16: extend Sequel::MSSQL::DatabaseMethods 17: when 'progress' 18: Sequel.require 'adapters/shared/progress' 19: extend Sequel::Progress::DatabaseMethods 20: end 21: end
# File lib/sequel/adapters/odbc.rb, line 23 23: def connect(server) 24: opts = server_opts(server) 25: if opts.include? :driver 26: drv = ::ODBC::Driver.new 27: drv.name = 'Sequel ODBC Driver130' 28: opts.each do |param, value| 29: if :driver == param and not (value =~ GUARDED_DRV_NAME) 30: value = DRV_NAME_GUARDS % value 31: end 32: drv.attrs[param.to_s.capitalize] = value 33: end 34: db = ::ODBC::Database.new 35: conn = db.drvconnect(drv) 36: else 37: conn = ::ODBC::connect(opts[:database], opts[:user], opts[:password]) 38: end 39: conn.autocommit = true 40: conn 41: end
# File lib/sequel/adapters/odbc.rb, line 43 43: def dataset(opts = nil) 44: ODBC::Dataset.new(self, opts) 45: end
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.
# File lib/sequel/adapters/odbc.rb, line 51 51: def execute(sql, opts={}) 52: log_info(sql) 53: synchronize(opts[:server]) do |conn| 54: r = conn.run(sql) 55: yield(r) if block_given? 56: r 57: end 58: end
# File lib/sequel/adapters/odbc.rb, line 60 60: def execute_dui(sql, opts={}) 61: log_info(sql) 62: synchronize(opts[:server]){|conn| conn.do(sql)} 63: end
Support single level transactions on ODBC
# File lib/sequel/adapters/odbc.rb, line 67 67: def transaction(opts={}) 68: synchronize(opts[:server]) do |conn| 69: return yield(conn) if @transactions.include?(Thread.current) 70: log_info(begin_transaction_sql) 71: conn.do(begin_transaction_sql) 72: begin 73: @transactions << Thread.current 74: yield(conn) 75: rescue ::Exception => e 76: log_info(rollback_transaction_sql) 77: conn.do(rollback_transaction_sql) 78: transaction_error(e) 79: ensure 80: unless e 81: log_info(commit_transaction_sql) 82: conn.do(commit_transaction_sql) 83: end 84: @transactions.delete(Thread.current) 85: end 86: end 87: end