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+ SPI_palloc(), SPI_repalloc(), SPI_pfree() - for allocations

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in upper Executor memory context.
This commit is contained in:
Vadim B. Mikheev
1997-09-24 08:28:37 +00:00
parent af5c86e2d1
commit eec6108650
1 changed files with 65 additions and 0 deletions
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65
src/backend/executor/spi.c
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@@ -69,6 +69,8 @@ extern void ShowUsage(void);
#endif
/* =================== interface functions =================== */
int
SPI_connect()
{
@@ -487,6 +489,69 @@ SPI_getrelname(Relation rel)
return (pstrdup(rel->rd_rel->relname.data));
}
void *
SPI_palloc (Size size)
{
MemoryContext oldcxt = NULL;
void *pointer;
if (_SPI_curid + 1 == _SPI_connected) /* connected */
{
if (_SPI_current != &(_SPI_stack[_SPI_curid + 1]))
elog(FATAL, "SPI: stack corrupted");
oldcxt = MemoryContextSwitchTo(_SPI_current->savedcxt);
}
pointer = palloc (size);
if (oldcxt)
MemoryContextSwitchTo(oldcxt);
return (pointer);
}
void *
SPI_repalloc (void *pointer, Size size)
{
MemoryContext oldcxt = NULL;
if (_SPI_curid + 1 == _SPI_connected) /* connected */
{
if (_SPI_current != &(_SPI_stack[_SPI_curid + 1]))
elog(FATAL, "SPI: stack corrupted");
oldcxt = MemoryContextSwitchTo(_SPI_current->savedcxt);
}
pointer = repalloc (pointer, size);
if (oldcxt)
MemoryContextSwitchTo(oldcxt);
return (pointer);
}
void
SPI_pfree (void *pointer)
{
MemoryContext oldcxt = NULL;
if (_SPI_curid + 1 == _SPI_connected) /* connected */
{
if (_SPI_current != &(_SPI_stack[_SPI_curid + 1]))
elog(FATAL, "SPI: stack corrupted");
oldcxt = MemoryContextSwitchTo(_SPI_current->savedcxt);
}
pfree (pointer);
if (oldcxt)
MemoryContextSwitchTo(oldcxt);
return;
}
/* =================== private functions =================== */
/*
* spi_printtup --
* store tuple retrieved by Executor into SPITupleTable