1SPI_FREETUPTABLE(3)      PostgreSQL 10.7 Documentation     SPI_FREETUPTABLE(3)
2
3
4

NAME

6       SPI_freetuptable - free a row set created by SPI_execute or a similar
7       function
8

SYNOPSIS

10       void SPI_freetuptable(SPITupleTable * tuptable)
11

DESCRIPTION

13       SPI_freetuptable frees a row set created by a prior SPI command
14       execution function, such as SPI_execute. Therefore, this function is
15       often called with the global variable SPI_tuptable as argument.
16
17       This function is useful if a SPI procedure needs to execute multiple
18       commands and does not want to keep the results of earlier commands
19       around until it ends. Note that any unfreed row sets will be freed
20       anyway at SPI_finish. Also, if a subtransaction is started and then
21       aborted within execution of a SPI procedure, SPI automatically frees
22       any row sets created while the subtransaction was running.
23
24       Beginning in PostgreSQL 9.3, SPI_freetuptable contains guard logic to
25       protect against duplicate deletion requests for the same row set. In
26       previous releases, duplicate deletions would lead to crashes.
27

ARGUMENTS

29       SPITupleTable * tuptable
30           pointer to row set to free, or NULL to do nothing
31
32
33
34PostgreSQL 10.7                      2019                  SPI_FREETUPTABLE(3)
Impressum