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Revision 2213

Added by Aaron Marcuse-Kubitza about 12 years ago

sql_gen.py: Literal, CompareCond: Implemented to_str(). ValueCond: Autoconvert literal values to Literals.

View differences:

lib/sql_gen.py
7 7 

  		




  8
  8
  
    
class Literal:


  		




  9
  9
  
    
    def __init__(self, value): self.value = value


  		




  
  10
  
    
    


  		




  
  11
  
    
    def to_str(self, db): return db.esc_value(self.value)


  		




  10
  12
  
    

  		




  11
  13
  
    
class Table(Code):


  		




  12
  14
  
    
    def __init__(self, name, schema=None):


  		




  ......




  35
  37
  
    
        return str_


  		




  36
  38
  
    

  		




  37
  39
  
    
class ValueCond(Code):


  		




  38
  
  
    
    def __init__(self, value): self.value = value


  		




  
  40
  
    
    def __init__(self, value):


  		




  
  41
  
    
        if not isinstance(value, Literal): value = Literal(value)


  		




  
  42
  
    
        


  		




  
  43
  
    
        self.value = value


  		




  39
  44
  
    

  		




  40
  45
  
    
class CompareCond(ValueCond):


  		




  41
  46
  
    
    def __init__(self, value, operator='='):


  		




  42
  47
  
    
        ValueCond.__init__(self, value)


  		




  43
  48
  
    
        self.operator = operator


  		




  44
  49
  
    
    


  		




  45
  
  
    
    def to_str(self, db):


  		




  46
  
  
    
        raise NotImplemented()


  		




  
  50
  
    
    def to_str(self, db): return self.operator+' '+self.value.to_str(db)


  		












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