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CentOS 7.0 - man page for spi_cursor_open_with_args (centos section 3)

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SPI_CURSOR_OPEN_WITH_ARGS(3)	  PostgreSQL 9.2.7 Documentation     SPI_CURSOR_OPEN_WITH_ARGS(3)

       SPI_cursor_open_with_args - set up a cursor using a query and parameters

       Portal SPI_cursor_open_with_args(const char *name,
					const char *command,
					int nargs, Oid *argtypes,
					Datum *values, const char *nulls,
					bool read_only, int cursorOptions)

       SPI_cursor_open_with_args sets up a cursor (internally, a portal) that will execute the
       specified query. Most of the parameters have the same meanings as the corresponding
       parameters to SPI_prepare_cursor and SPI_cursor_open.

       For one-time query execution, this function should be preferred over SPI_prepare_cursor
       followed by SPI_cursor_open. If the same command is to be executed with many different
       parameters, either method might be faster, depending on the cost of re-planning versus the
       benefit of custom plans.

       The passed-in parameter data will be copied into the cursor's portal, so it can be freed
       while the cursor still exists.

       const char * name
	   name for portal, or NULL to let the system select a name

       const char * command
	   command string

       int nargs
	   number of input parameters ($1, $2, etc.)

       Oid * argtypes
	   an array containing the OIDs of the data types of the parameters

       Datum * values
	   an array of actual parameter values

       const char * nulls
	   an array describing which parameters are null

	   If nulls is NULL then SPI_cursor_open_with_args assumes that no parameters are null.

       bool read_only
	   true for read-only execution

       int cursorOptions
	   integer bit mask of cursor options; zero produces default behavior

       Pointer to portal containing the cursor. Note there is no error return convention; any
       error will be reported via elog.

PostgreSQL 9.2.7			    2014-02-17		     SPI_CURSOR_OPEN_WITH_ARGS(3)
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