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 53

def initialize(name, default, sql_type = nil, null = true, sqlserver_options = {})
  @sqlserver_options = sqlserver_options.symbolize_keys
  super(name, default, sql_type, null)
  @primary = @sqlserver_options[:is_identity]
end

Class Method Details

.binary_to_string(value) ⇒ Object 



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# File 'lib/active_record/connection_adapters/sqlserver_adapter.rb', line 65

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 61

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

Instance Method Details

#database_year ⇒ Object 



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# File 'lib/active_record/connection_adapters/sqlserver_adapter.rb', line 112

def database_year
  @sqlserver_options[:database_year]
end

#default_function ⇒ Object 



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# File 'lib/active_record/connection_adapters/sqlserver_adapter.rb', line 95

def default_function
  @sqlserver_options[:default_function]
end

#is_identity? ⇒ Boolean

Returns:

  • (Boolean) 


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

def is_identity?
  @sqlserver_options[:is_identity]
end

#is_integer? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/active_record/connection_adapters/sqlserver_adapter.rb', line 79

def is_integer?
  !!(@sql_type =~ /int/i)
end

#is_real? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/active_record/connection_adapters/sqlserver_adapter.rb', line 83

def is_real?
  !!(@sql_type =~ /real/i)
end

#is_utf8? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/active_record/connection_adapters/sqlserver_adapter.rb', line 75

def is_utf8?
  !!(@sql_type =~ /nvarchar|ntext|nchar/i)
end

#sql_type_for_statement ⇒ Object 



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# File 'lib/active_record/connection_adapters/sqlserver_adapter.rb', line 87

def sql_type_for_statement
  if is_integer? || is_real?
    sql_type.sub(/\(\d+\)/,'')
  else
    sql_type
  end
end

#table_klass ⇒ Object 



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# File 'lib/active_record/connection_adapters/sqlserver_adapter.rb', line 103

def table_klass
  @table_klass ||= begin
    table_name.classify.constantize
  rescue StandardError, NameError, LoadError
    nil
  end
  (@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 99

def table_name
  @sqlserver_options[:table_name]
end