SPI_pfree
Name
SPI_pfree -- free memory in the upper executor context
Synopsis
void SPI_pfree(void * pointer)
Description
SPI_pfree frees memory previously allocated using SPI_palloc or SPI_repalloc. 
 This function is no longer different from plain pfree. It's kept just for backward compatibility of existing code. 
Arguments
- void * pointer
-  pointer to existing storage to free