SPI_cursor_close
SPI_cursor_close — close a cursor
Synopsis
void SPI_cursor_close(Portal portal)
Description
SPI_cursor_close closes a previously created cursor and releases its portal storage. 
 All open cursors are closed automatically at the end of a transaction. SPI_cursor_close need only be invoked if it is desirable to release resources sooner. 
Arguments
- Portal- portal
- portal containing the cursor