Class: ActiveRecord::ConnectionAdapters::SQLServerColumn

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

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(name, default, sql_type = nil, null = true, sqlserver_options = {}) ⇒ SQLServerColumn

Returns a new instance of SQLServerColumn.



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# File 'lib/active_record/connection_adapters/sqlserver_adapter.rb', line 37

def initialize(name, default, sql_type = nil, null = true, sqlserver_options = {})
  @sqlserver_options = sqlserver_options
  super(name, default, sql_type, null)
end

Class Method Details

.binary_to_string(value) ⇒ Object 



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# File 'lib/active_record/connection_adapters/sqlserver_adapter.rb', line 48

def binary_to_string(value)
  value =~ /[^[:xdigit:]]/ ? value : [value].pack('H*')
end

.string_to_binary(value) ⇒ Object 



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# File 'lib/active_record/connection_adapters/sqlserver_adapter.rb', line 44

def string_to_binary(value)
 "0x#{value.unpack("H*")[0]}"
end

Instance Method Details

#is_identity? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/active_record/connection_adapters/sqlserver_adapter.rb', line 54

def is_identity?
  @sqlserver_options[:is_identity]
end

#is_special? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/active_record/connection_adapters/sqlserver_adapter.rb', line 58

def is_special?
  # TODO: Not sure if these should be added: varbinary(max), nchar, nvarchar(max)
  sql_type =~ /^text|ntext|image$/
end

#is_utf8? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/active_record/connection_adapters/sqlserver_adapter.rb', line 63

def is_utf8?
  sql_type =~ /nvarchar|ntext|nchar/i
end

#table_klass ⇒ Object 



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# File 'lib/active_record/connection_adapters/sqlserver_adapter.rb', line 71

def table_klass
  @table_klass ||= table_name.classify.constantize rescue nil
  (@table_klass && @table_klass < ActiveRecord::Base) ? @table_klass : nil
end

#table_name ⇒ Object 



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# File 'lib/active_record/connection_adapters/sqlserver_adapter.rb', line 67

def table_name
  @sqlserver_options[:table_name]
end