SPI_copytuple
SPI_copytuple
SPI_copytuple - make a copy of a row in the upper executor context
Synopsis
HeapTuple SPI_copytuple(HeapTuple row)
 Description
   
    SPI_copytuple
   
   makes a copy of a row in the
   upper executor context.  This is normally used to return a modified
   row from a trigger.  In a function declared to return a composite
   type, use
   
    SPI_returntuple
   
   instead.
  
   This function can only be used while connected to SPI.
   Otherwise, it returns NULL and sets
   
    SPI_result
   
   to
   
    SPI_ERROR_UNCONNECTED
   
   .
  
Arguments
- 
     
      HeapTuplerow
- 
     row to be copied 
Return Value
   the copied row, or
   
    NULL
   
   on error
   (see
   
    SPI_result
   
   for an error indication)