SPI_cursor_fetch
Name
SPI_cursor_fetch -- Fetches some rows from a cursor
Synopsis
SPI_cursor_fetch(portal,
forward,
count)
Inputs
- Portal portal
- Portal containing cursor 
- bool forward
- True for fetch forward, false for fetch backward 
- int count
- Maximum number of rows to fetch 
Outputs
- SPI_tuptable
- initialized as in
   - SPI_execif successful
 
- SPI_processed
- initialized as in
   - SPI_execif successful
 
Description
SPI_cursor_fetch 
   fetches some (more) rows from a cursor.  This is equivalent to the
   SQL command FETCH.