Class: Insertica::Column

Inherits:
Object
  • Object
show all
Defined in:
lib/insertica/column.rb

Constant Summary collapse

ESCAPE_CHARACTERS = 
["\n", "\t", "\""]

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(name, values = []) ⇒ Column

Returns a new instance of Column.



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# File 'lib/insertica/column.rb', line 11

def initialize(name, values = [])
  @name   = name
  @type   = nil
  @values = values
end

Instance Attribute Details

#name ⇒ Object

Returns the value of attribute name.



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# File 'lib/insertica/column.rb', line 7

def name
  @name
end

#type ⇒ Object

Returns the value of attribute type.



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# File 'lib/insertica/column.rb', line 9

def type
  @type
end

#values ⇒ Object

Returns the value of attribute values.



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# File 'lib/insertica/column.rb', line 8

def values
  @values
end

Instance Method Details

#definition ⇒ Object 



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# File 'lib/insertica/column.rb', line 24

def definition
  "#{@name} #{@type}"
end

#filler_definition ⇒ Object 



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# File 'lib/insertica/column.rb', line 28

def filler_definition
  "#{@name}_filler FILLER VARCHAR"
end

#finalize ⇒ Object 



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# File 'lib/insertica/column.rb', line 17

def finalize
  @type = ColumnType.new(@values)
  escape_strings if @type.needs_escaping?

  self
end

#fix_nulls_definition ⇒ Object 



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# File 'lib/insertica/column.rb', line 32

def fix_nulls_definition
  "#{@name} AS CASE WHEN #{@name}_filler = '' THEN NULL ELSE #{@name}_filler::#{@type} END"
end