SPI_is_cursor_plan

Description

SPI_is_cursor_plan returns true if a plan prepared by SPI_prepare can be passed as an argument to SPI_cursor_open and false if that is not the case. The criteria are that the plan represents one single command and that this command is a SELECT without an INTO clause.

Arguments

Return Value

true or false to indicate if the plan can produce a cursor or not, or SPI_ERROR_ARGUMENT if the plan is NULL