SPI_execp is the same as
SPI_execute_plan, with the latter's
read_only parameter always taken as
prepared statement (returned by
An array of actual parameter values. Must have same length as the statement's number of arguments.
An array describing which parameters are null. Must have same length as the statement'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).
If nulls is NULL then
SPI_execp assumes that no parameters are
maximum number of rows to return, or 0 for no limit
SPI_processed and SPI_tuptable are set as in
SPI_execute if successful.
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