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-rw-r--r--src/backend/executor/spi.c65
1 files changed, 65 insertions, 0 deletions
diff --git a/src/backend/executor/spi.c b/src/backend/executor/spi.c
index 186c0f0313e..12a511be27e 100644
--- a/src/backend/executor/spi.c
+++ b/src/backend/executor/spi.c
@@ -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