Provided by: postgresql-doc-17_17.5-0ubuntu0.25.04.1_all 

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 PostgreSQL 17.5 2025 SPI_PFREE(3)