Provided by: postgresql-doc-16_16.9-0ubuntu0.24.04.1_all 

NAME
SPI_start_transaction - obsolete function
SYNOPSIS
void SPI_start_transaction(void)
DESCRIPTION
SPI_start_transaction does nothing, and exists only for code compatibility with earlier PostgreSQL releases. It used to be required after calling SPI_commit or SPI_rollback, but now those functions start a new transaction automatically. PostgreSQL 16.9 2025 SPI_START_TRANSACTION(3)