Class: ActiveRecord::ConnectionAdapters::Table

Inherits:
Object
  • Object
show all
Defined in:
lib/active_record/connection_adapters/ibm_db_adapter.rb

Overview

class IBM_DBColumn

Instance Method Summary collapse

Instance Method Details

#char(*args) ⇒ Object Also known as: character

Method to support the new syntax of rails 2.0 migrations (short-hand definitions) for columns of type char [character]



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# File 'lib/active_record/connection_adapters/ibm_db_adapter.rb', line 307

def char(*args)
  ibm_parse_column_attributes_args('char',*args)
  return self
end

#decfloat(*args) ⇒ Object

Method to support the new syntax of rails 2.0 migrations (short-hand definitions) for columns of type decfloat



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# File 'lib/active_record/connection_adapters/ibm_db_adapter.rb', line 301

def decfloat(*args)
  ibm_parse_column_attributes_args('decfloat',*args)
  return self
end

#double(*args) ⇒ Object

Method to support the new syntax of rails 2.0 migrations (short-hand definitions) for columns of type double



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# File 'lib/active_record/connection_adapters/ibm_db_adapter.rb', line 295

def double(*args)
  ibm_parse_column_attributes_args('double',*args)
  return self
end

#xml(*args) ⇒ Object

Method to support the new syntax of rails 2.0 migrations (short-hand definitions) for columns of type xml This method is different as compared to def char (sql is being issued explicitly as compared to def char where method column(which will generate the sql is being called) in order to handle the DEFAULT and NULL option for the native XML datatype



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# File 'lib/active_record/connection_adapters/ibm_db_adapter.rb', line 281

def xml(*args ) 
  options = {}
  if args.last.is_a?(Hash) 
    options = args.delete_at(args.length-1)
  end
  sql = "ALTER TABLE #{@base.quote_table_name(@table_name)} ADD COLUMN "
  args.each do | name | 
    sql << "#{@base.quote_column_name(name)} xml"
    @base.execute(sql,"add_xml_column")
  end  
  return self
end