class Philtre::PlaceHolder
Attributes
bt[R]
name[R]
sql_field[R]
Public Class Methods
new( name, sql_field = nil, bt = caller )
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name is what gets replaced by the operation and correspondingly named value in the filter sql_field
is the name of the field that the operation will compare the named value to.
# File lib/philtre/place_holder.rb, line 5 def initialize( name, sql_field = nil, bt = caller ) # backtrace @bt = bt @name = name @sql_field = sql_field end
Public Instance Methods
inspect()
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# File lib/philtre/place_holder.rb, line 33 def inspect "#<#{self.class} #{name}:#{sql_field} @#{source}>" end
small_source()
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# File lib/philtre/place_holder.rb, line 29 def small_source source.split('/').last(2).join('/').split(':')[0..1].join(':') end
source()
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# File lib/philtre/place_holder.rb, line 25 def source bt[1] end
to_s()
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# File lib/philtre/place_holder.rb, line 37 def to_s "#{name}:#{sql_field} @#{small_source}" end
to_s_append( ds, s )
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this is inserted into the generated SQL from a dataset that contains PlaceHolder
instances.
# File lib/philtre/place_holder.rb, line 19 def to_s_append( ds, s ) s << '$' << name.to_s s << ':' << sql_field.to_s if sql_field s << '/*' << small_source << '*/' end