Class: Card::Query::Clause

Inherits:
Object show all
Defined in:
lib/card/query/clause.rb

Direct Known Subclasses

CardClause, RefClause, ValueClause

Instance Attribute Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#clause ⇒ Object

Returns the value of attribute clause.



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# File 'lib/card/query/clause.rb', line 3

def clause
  @clause
end

Instance Method Details

#cast_type(type) ⇒ Object 



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# File 'lib/card/query/clause.rb', line 17

def cast_type(type)
  cxn ||= ActiveRecord::Base.connection
  (val = cxn.cast_types[type.to_sym]) ? val[:name] : safe_sql(type)
end

#match_prep(v) ⇒ Object 



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# File 'lib/card/query/clause.rb', line 12

def match_prep(v)
  cxn ||= ActiveRecord::Base.connection
  [cxn, v]
end

#quote(v) ⇒ Object 



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# File 'lib/card/query/clause.rb', line 10

def quote(v)  ActiveRecord::Base.connection.quote(v)  end

#safe_sql(txt) ⇒ Object 



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# File 'lib/card/query/clause.rb', line 5

def safe_sql(txt)
  txt = txt.to_s
  txt.match( /[^\w\*\(\)\s\.\,]/ ) ? raise( "WQL contains disallowed characters: #{txt}" ) : txt
end