SPI_is_cursor_plan man page on Mageia

SPI_is_cursor_plan man page on Mageia

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SPI_IS_CURSOR_PLAN(3)	PostgreSQL 9.3.2 Documentation	 SPI_IS_CURSOR_PLAN(3)

NAME
       SPI_is_cursor_plan - return true if a statement prepared by SPI_prepare
       can be used with SPI_cursor_open

SYNOPSIS
       bool SPI_is_cursor_plan(SPIPlanPtr plan)

DESCRIPTION
       SPI_is_cursor_plan returns true if a statement prepared by SPI_prepare
       can be passed as an argument to SPI_cursor_open, or false if that is
       not the case. The criteria are that the plan represents one single
       command and that this command returns tuples to the caller; for
       example, SELECT is allowed unless it contains an INTO clause, and
       UPDATE is allowed only if it contains a RETURNING clause.

ARGUMENTS
       SPIPlanPtr plan
	   prepared statement (returned by SPI_prepare)

RETURN VALUE
       true or false to indicate if the plan can produce a cursor or not, with
       SPI_result set to zero. If it is not possible to determine the answer
       (for example, if the plan is NULL or invalid, or if called when not
       connected to SPI), then SPI_result is set to a suitable error code and
       false is returned.

PostgreSQL 9.3.2		     2013		 SPI_IS_CURSOR_PLAN(3)

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