SPI_execute_plan - Man Page

int SPI_execute_plan(SPIPlanPtr plan, Datum * values, const char * nulls,
                     bool read_only, long count)

SPI_execute_plan executes a statement prepared by SPI_prepare or one of its siblings​. read_only and count have the same interpretation as in SPI_execute​.

SPIPlanPtr plan

prepared statement (returned by SPI_prepare)

Datum * values

An array of actual parameter values​. Must have same length as the statement's number of arguments​.

const char * nulls

An array describing which parameters are null​. Must have same length as the statement's number of arguments​.

If nulls is NULL then SPI_execute_plan assumes that no parameters are null​. Otherwise, each entry of the nulls array should be ' ​' if the corresponding parameter value is non-null, or 'n' if the corresponding parameter value is null​. (In the latter case, the actual value in the corresponding values entry doesn't matter​.) Note that nulls is not a text string, just an array: it does not need a '\0' terminator​.

bool read_only

true for read-only execution

long count

maximum number of rows to return, or 0 for no limit

The return value is the same as for SPI_execute, with the following additional possible error (negative) results:

SPI_ERROR_ARGUMENT

if plan is NULL or invalid, or count is less than 0

SPI_ERROR_PARAM

if values is NULL and plan was prepared with some parameters

SPI_processed and SPI_tuptable are set as in SPI_execute if successful​.