PostgreSQL 8.0.1 Documentation | ||||
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SPI_execute_plan
Synopsis
Description
SPI_execute_plan
executes a plan prepared by SPI_prepare
. read_only and count have the same interpretation as in SPI_execute
.
Arguments
- void * plan
execution plan (returned by
SPI_prepare
)- Datum * values
An array of actual parameter values. Must have same length as the plan's number of arguments.
- const char * nulls
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).
If nulls is NULL then
SPI_execute_plan
assumes that no parameters are null.- bool read_only
true for read-only execution
- int count
maximum number of rows to process or return
Return Value
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 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.