Class: Linkage::Functions::Trim

Inherits:
Linkage::Function show all
Defined in:
lib/linkage/functions/trim.rb

Constant Summary

Constants inherited from Data

Data::TYPE_CONVERSION_TREE

Instance Attribute Summary

Attributes inherited from Linkage::Function

#args

Attributes inherited from Data

#dataset, #name

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Linkage::Function

#==, [], #dataset, #dataset=, #initialize, #name, register, #static?, #to_expr

Methods inherited from Data

#database_type, #initialize, #merge, #static?, #to_expr

Constructor Details

This class inherits a constructor from Linkage::Function

Class Method Details

.function_name ⇒ Object 



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# File 'lib/linkage/functions/trim.rb', line 4

def self.function_name
  "trim"
end

.parameters ⇒ Object 



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# File 'lib/linkage/functions/trim.rb', line 8

def self.parameters
  [[String]]
end

Instance Method Details

#collation ⇒ Object 



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# File 'lib/linkage/functions/trim.rb', line 20

def collation
  if @args[0].kind_of?(Data)
    @args[0].collation
  else
    super
  end
end

#ruby_type ⇒ Object 



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# File 'lib/linkage/functions/trim.rb', line 12

def ruby_type
  if @args[0].kind_of?(Data)
    @args[0].ruby_type
  else
    {:type => String}
  end
end