Class: Teradata::FieldType

Inherits:
Object
  • Object
show all
Defined in:
lib/teradata/connection.rb

Overview

Unsupported Types: BLOB 400 BLOB_DEFERRED 404 BLOB_LOCATOR 408 CLOB 416 CLOB_DEFERRED 420 CLOB_LOCATOR 424 GRAPHIC_NN 468 GRAPHIC_N 469 LONG_VARBYTE_NN 696 LONG_VARBYTE_N 697 LONG_VARCHAR_NN 456 LONG_VARCHAR_N 457 LONG_VARGRAPHIC_NN 472 LONG_VARGRAPHIC_N 473 VARGRAPHIC_NN 464 VARGRAPHIC_N 465

Constant Summary collapse

@@types = 
{}

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(type_name, type_code, len, name, format, title, extractor) ⇒ FieldType 



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# File 'lib/teradata/connection.rb', line 847

def initialize(type_name, type_code, len, name, format, title, extractor)
  @type_name = type_name
  @type_code = type_code
  @length = len
  @name = name
  @format = format
  @title = title
  @extractor = extractor
end

Instance Attribute Details

#format ⇒ Object (readonly)

Returns the value of attribute format.



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# File 'lib/teradata/connection.rb', line 860

def format
  @format
end

#name ⇒ Object (readonly)

Returns the value of attribute name.



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# File 'lib/teradata/connection.rb', line 859

def name
  @name
end

#title ⇒ Object (readonly)

Returns the value of attribute title.



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# File 'lib/teradata/connection.rb', line 861

def title
  @title
end

#type_code ⇒ Object (readonly)

Returns the value of attribute type_code.



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# File 'lib/teradata/connection.rb', line 858

def type_code
  @type_code
end

#type_name ⇒ Object (readonly)

Returns the value of attribute type_name.



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# File 'lib/teradata/connection.rb', line 857

def type_name
  @type_name
end

Class Method Details

.code_names ⇒ Object 



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# File 'lib/teradata/connection.rb', line 843

def FieldType.code_names
  @@types.values.map {|name, c| name }
end

.codes ⇒ Object 



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# File 'lib/teradata/connection.rb', line 839

def FieldType.codes
  @@types.keys
end

.create(code, len, name, format, title, extractor) ⇒ Object

Raises:



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# File 'lib/teradata/connection.rb', line 833

def FieldType.create(code, len, name, format, title, extractor)
  type_name, type_class = @@types[code]
  raise MetaDataFormatError, "unknown type code: #{code}" unless name
  type_class.new(type_name, code, len, name, format, title, extractor)
end

Instance Method Details

#inspect ⇒ Object 



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# File 'lib/teradata/connection.rb', line 867

def inspect
  "\#<FieldType #{@name} (#{@type_name}:#{@type_code})>"
end

#to_s ⇒ Object 



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# File 'lib/teradata/connection.rb', line 863

def to_s
  "(#{@name} #{@type_name}:#{@type_code})"
end

#unmarshal(f) ⇒ Object

default implementation: only read as string.



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# File 'lib/teradata/connection.rb', line 872

def unmarshal(f)
  f.read(@length)
end