47.1. Interface Functions
- SPI_connect - connect a C function to the SPI manager
 - SPI_finish - disconnect a C function from the SPI manager
 - SPI_execute - execute a command
 - SPI_exec - execute a read/write command
 - SPI_execute_extended - execute a command with out-of-line parameters
 - SPI_execute_with_args - execute a command with out-of-line parameters
 - SPI_prepare - prepare a statement, without executing it yet
 - SPI_prepare_cursor - prepare a statement, without executing it yet
 - SPI_prepare_extended - prepare a statement, without executing it yet
 - SPI_prepare_params - prepare a statement, without executing it yet
 - 
    
     
      SPI_getargcount
     
    
    
     - return the number of arguments needed by a statement
  prepared by
     
SPI_prepare - 
    
     
      SPI_getargtypeid
     
    
    
     - return the data type OID for an argument of
  a statement prepared by
     
SPI_prepare - 
    
     
      SPI_is_cursor_plan
     
    
    
     - return
     
trueif a statement prepared bySPI_preparecan be used withSPI_cursor_open - 
    
     
      SPI_execute_plan
     
    
    
     - execute a statement prepared by
     
SPI_prepare - 
    
     
      SPI_execute_plan_extended
     
    
    
     - execute a statement prepared by
     
SPI_prepare - 
    
     
      SPI_execute_plan_with_paramlist
     
    
    
     - execute a statement prepared by
     
SPI_prepare - SPI_execp - execute a statement in read/write mode
 - 
    
     
      SPI_cursor_open
     
    
    
     - set up a cursor using a statement created with
     
SPI_prepare - SPI_cursor_open_with_args - set up a cursor using a query and parameters
 - SPI_cursor_open_with_paramlist - set up a cursor using parameters
 - SPI_cursor_parse_open - set up a cursor using a query string and parameters
 - SPI_cursor_find - find an existing cursor by name
 - SPI_cursor_fetch - fetch some rows from a cursor
 - SPI_cursor_move - move a cursor
 - SPI_scroll_cursor_fetch - fetch some rows from a cursor
 - SPI_scroll_cursor_move - move a cursor
 - SPI_cursor_close - close a cursor
 - SPI_keepplan - save a prepared statement
 - SPI_saveplan - save a prepared statement
 - SPI_register_relation - make an ephemeral named relation available by name in SPI queries
 - SPI_unregister_relation - remove an ephemeral named relation from the registry
 - SPI_register_trigger_data - make ephemeral trigger data available in SPI queries