SPI_freeplan
Name
SPI_freeplan -- free a previously saved plan
Synopsis
int SPI_freeplan(SPIPlanPtr plan)
Description
   SPI_freeplan releases a command execution plan
   previously returned by SPI_prepare or saved by
   SPI_saveplan.
  
Arguments
- SPIPlanPtr plan
-       pointer to plan to free
      
Return Value
   SPI_ERROR_ARGUMENT if plan
   is NULL or invalid