Class | Sequel::IBMDB::Connection |
In: |
lib/sequel/adapters/ibmdb.rb
|
Parent: | Object |
Wraps an underlying connection to DB2 using IBM_DB.
prepared_statements | [RW] | A hash with prepared statement name symbol keys, where each value is a two element array with an sql string and cached Statement value. |
Create the underlying IBM_DB connection.
# File lib/sequel/adapters/ibmdb.rb, line 47 47: def initialize(connection_string) 48: @conn = IBM_DB.connect(connection_string, '', '') 49: self.autocommit = true 50: @prepared_statements = {} 51: end
Check whether the connection is in autocommit state or not.
# File lib/sequel/adapters/ibmdb.rb, line 54 54: def autocommit 55: IBM_DB.autocommit(@conn) == 1 56: end
Turn autocommit on or off for the connection.
# File lib/sequel/adapters/ibmdb.rb, line 59 59: def autocommit=(value) 60: IBM_DB.autocommit(@conn, value ? IBM_DB::SQL_AUTOCOMMIT_ON : IBM_DB::SQL_AUTOCOMMIT_OFF) 61: end
Commit the currently outstanding transaction on this connection.
# File lib/sequel/adapters/ibmdb.rb, line 69 69: def commit 70: IBM_DB.commit(@conn) 71: end
Return the related error message for the connection.
# File lib/sequel/adapters/ibmdb.rb, line 74 74: def error_msg 75: IBM_DB.getErrormsg(@conn, IBM_DB::DB_CONN) 76: end
Return the related error message for the connection.
# File lib/sequel/adapters/ibmdb.rb, line 79 79: def error_sqlstate 80: IBM_DB.getErrorstate(@conn, IBM_DB::DB_CONN) 81: end
Execute the related prepared statement on the database with the given arguments.
# File lib/sequel/adapters/ibmdb.rb, line 93 93: def execute_prepared(ps_name, *values) 94: stmt = @prepared_statements[ps_name].last 95: res = stmt.execute(*values) 96: unless res 97: raise Error.new("Error executing statement #{ps_name}: #{error_msg}", error_sqlstate) 98: end 99: stmt 100: end
Prepare a statement with the given sql on the database, and cache the prepared statement value by name.
# File lib/sequel/adapters/ibmdb.rb, line 104 104: def prepare(sql, ps_name) 105: if stmt = IBM_DB.prepare(@conn, sql) 106: ps_name = ps_name.to_sym 107: stmt = Statement.new(stmt) 108: @prepared_statements[ps_name] = [sql, stmt] 109: else 110: err = error_msg 111: err = "Error preparing #{ps_name} with SQL: #{sql}" if error_msg.nil? || error_msg.empty? 112: raise Error.new(err, error_sqlstate) 113: end 114: end