int SPI_execute_plan(void * plan , Datum * values , const char * nulls , bool read_only , long count )
executes a plan prepared by
have the same interpretation as in
execution plan (returned by
An array of actual parameter values. Must have same length as the plan's number of arguments.
An array describing which parameters are null. Must have same length as the plan's number of arguments. n indicates a null value (entry in values will be ignored); a space indicates a nonnull value (entry in values is valid).
assumes that no parameters are null.
true for read-only execution
maximum number of rows to process or return
The return value is the same as for
, with the following additional possible error (negative) results:
if plan is NULL or count is less than 0
if values is NULL and plan was prepared with some parameters
are set as in
If one of the objects (a table, function, etc.) referenced by the prepared plan is dropped during the session then the result of
for this plan will be unpredictable.