SPI_EXECUTE_EXTENDED(3)
π NAME π
okay so bestie, this is SPI_EXECUTE_EXTENDED(3) from the PostgreSQL 17.11 Documentation β and itβs giving βrun a command with parameters that live outside the command textβ energy β¨
SPI_execute_extendedβ execute a command with out-of-line parameters.
π¦ SYNOPSIS π¦
int SPI_execute_extended(const char *command,
const SPIExecuteOptions * options)
πΈ DESCRIPTION πΈ
okay so SPI_execute_extended runs a command that might include references to externally supplied parameters, no cap. The command text refers to a parameter as $n, and the options->params object (if you supply it) provides the values and type information for each such symbol π You can also tuck various execution options into the options struct β iconic.
The options->params object should normally mark each parameter with the PARAM_FLAG_CONST flag, since a one-shot plan is always used for the query. Thatβs the vibe: one shot, one plan, periodt.
If options->dest is not NULL, then result tuples are passed to that object as they are generated by the executor, instead of being accumulated in SPI_tuptable. Using a caller-supplied DestReceiver object is particularly helpful for queries that might generate many tuples, since the data can be processed on-the-fly instead of being accumulated in memory. Thatβs the main-character move for big result sets, fr fr β a whole slay for memory π«Ά
π ARGUMENTS π
const char * commandβ the command string.const SPIExecuteOptions * optionsβ a struct containing optional arguments.
okay bestie, listen: callers should always zero out the entire options struct, then fill whichever fields they want to set. This ensures forward compatibility of code, since any fields that are added to the struct in future will be defined to behave backwards-compatibly if they are zero. Do not skip the zeroing, iykyk π
The currently available options fields are:
ParamListInfo paramsβ data structure containing query parameter types and values;NULLif none.bool read_onlyβtruefor read-only execution.bool allow_nonatomicβtrueallows non-atomic execution ofCALLandDOstatements (but this field is ignored unless theSPI_OPT_NONATOMICflag was passed toSPI_connect_ext).bool must_return_tuplesβ iftrue, raise error if the query is not of a kind that returns tuples (this does not forbid the case where it happens to return zero tuples).uint64 tcountβ maximum number of rows to return, or0for no limit.DestReceiver * destβDestReceiverobject that will receive any tuples emitted by the query; ifNULL, result tuples are accumulated into aSPI_tuptablestructure, as inSPI_execute.ResourceOwner ownerβ this field is present for consistency withSPI_execute_plan_extended, but it is ignored, since the plan used bySPI_execute_extendedis never saved.
π RETURN VALUE π
The return value is the same as for SPI_execute β no surprises there, bestie.
When options->dest is NULL, SPI_processed and SPI_tuptable are set as in SPI_execute. When options->dest is not NULL, SPI_processed is set to zero and SPI_tuptable is set to NULL. If a tuple count is required, the caller's DestReceiver object must calculate it. Thatβs the whole tea β
mwah π this page is from PostgreSQL 17.11, dated 2026, and it lives under the SPI_EXECUTE_EXTENDED(3) manual name β periodt π
π¦ where this page comes from
- opensuse-leap 16.0: postgresql17-docs 17.11-160000.1.1 Β· PostgreSQL
- π girlified by deepseek-ai/DeepSeek-V4.1-Flash-1017 on : a language model's rewrite of the original, under its terms