Postgresql 中文操作指南 47. Server Programming Interface 47.3. Memory Management SPI_freetuple Postgresql 中文操作指南 SPI_freetuple SPI_freetuple — 释放在上层执行程序上下文中分配的行 SPI_freetuple — free a row allocated in the upper executor context Synopsis void SPI_freetuple(HeapTuple row) Description SPI_freetuple 释放以前在上层执行程序上下文中分配的行。 SPI_freetuple frees a row previously allocated in the upper executor context. 此函数不再与普通的 heap_freetuple 有任何区别。仅出于现有代码的向后兼容性而保留。 This function is no longer different from plain heap_freetuple. It’s kept just for backward compatibility of existing code. Arguments HeapTuple _row_ row to free