Name
  
  
   ST_Length2D — Returns the 2D length of a linear geometry. Alias for
   
    ST_Length
   
  
  
 
  
   Synopsis
  
  
   
    
     float
     
      ST_Length2D
     
     (
    
    geometry
    
     a_2dlinestring
    
    
     )
    
    ;
   
   
  
 
  
  
  
   Description
  
  
   Returns the 2D length of the geometry if it is a
				linestring or multi-linestring. This is an alias for
   
    ST_Length