/*
* Similar to tuplestore_puttuple(), but start from the values + nulls
* array. This avoids requiring that the caller construct a HeapTuple,
* saving a copy.
*/
void
tuplestore_putvalues(Tuplestorestate *state, TupleDesc tdesc,
Datum *values, bool *isnull)
{
MinimalTuple tuple;
tuple = heap_form_minimal_tuple(tdesc, values, isnull);
tuplestore_puttuple_common(state, (void *) tuple);
}
/*
* "Standard" case to copy from a HeapTuple. This is actually now somewhat
* deprecated, but not worth getting rid of in view of the number of callers.
*/
void
tuplestore_puttuple(Tuplestorestate *state, HeapTuple tuple)
{
/*
* Copy the tuple. (Must do this even in WRITEFILE case.)
*/
tuple = COPYTUP(state, tuple);
tuplestore_puttuple_common(state, (void *) tuple);
}
/*
* Similar to tuplestore_puttuple(), but start from the values + nulls
* array. This avoids requiring that the caller construct a HeapTuple,
* saving a copy.
*/
void
tuplestore_putvalues(Tuplestorestate *state, TupleDesc tdesc,
Datum *values, bool *isnull)
{
MinimalTuple tuple;
MemoryContext oldcxt = MemoryContextSwitchTo(state->context);
tuple = heap_form_minimal_tuple(tdesc, values, isnull);
tuplestore_puttuple_common(state, (void *) tuple);
MemoryContextSwitchTo(oldcxt);
}
/*
* "Standard" case to copy from a HeapTuple. This is actually now somewhat
* deprecated, but not worth getting rid of in view of the number of callers.
*/
void
tuplestore_puttuple(Tuplestorestate *state, HeapTuple tuple)
{
MemoryContext oldcxt = MemoryContextSwitchTo(state->context);
/*
* Copy the tuple. (Must do this even in WRITEFILE case.)
*/
tuple = COPYTUP(state, tuple);
tuplestore_puttuple_common(state, (void *) tuple);
MemoryContextSwitchTo(oldcxt);
}
/*
* Accept one tuple and append it to the tuplestore.
*
* Note that the input tuple is always copied; the caller need not save it.
*
* If the active read pointer is currently "at EOF", it remains so (the read
* pointer implicitly advances along with the write pointer); otherwise the
* read pointer is unchanged. Non-active read pointers do not move, which
* means they are certain to not be "at EOF" immediately after puttuple.
* This curious-seeming behavior is for the convenience of nodeMaterial.c and
* nodeCtescan.c, which would otherwise need to do extra pointer repositioning
* steps.
*
* tuplestore_puttupleslot() is a convenience routine to collect data from
* a TupleTableSlot without an extra copy operation.
*/
void
tuplestore_puttupleslot(Tuplestorestate *state,
TupleTableSlot *slot)
{
MinimalTuple tuple;
/*
* Form a MinimalTuple in working memory
*/
tuple = ExecCopySlotMinimalTuple(slot);
USEMEM(state, GetMemoryChunkSpace(tuple));
tuplestore_puttuple_common(state, (void *) tuple);
}
/*
* "Standard" case to copy from a HeapTuple. This is actually now somewhat
* deprecated, but not worth getting rid of in view of the number of callers.
*/
void
tuplestore_puttuple(Tuplestorestate *state, HeapTuple tuple)
{
MemoryContext oldcxt = MemoryContextSwitchTo(state->context);
/*
* Copy the tuple. (Must do this even in WRITEFILE case. Note that
* COPYTUP includes USEMEM, so we needn't do that here.)
*/
tuple = COPYTUP(state, tuple);
tuplestore_puttuple_common(state, (void *) tuple);
MemoryContextSwitchTo(oldcxt);
}
/*
* Accept one tuple and append it to the tuplestore.
*
* Note that the input tuple is always copied; the caller need not save it.
*
* If the read status is currently "AT EOF" then it remains so (the read
* pointer advances along with the write pointer); otherwise the read
* pointer is unchanged. This is for the convenience of nodeMaterial.c.
*
* tuplestore_puttupleslot() is a convenience routine to collect data from
* a TupleTableSlot without an extra copy operation.
*/
void
tuplestore_puttupleslot_pos(Tuplestorestate *state, TuplestorePos *pos,
TupleTableSlot *slot)
{
MemTuple tuple;
MemoryContext oldcxt = MemoryContextSwitchTo(state->context);
/*
* Form a MinimalTuple in working memory
*/
tuple = ExecCopySlotMemTuple(slot);
USEMEM(state, GetMemoryChunkSpace(tuple));
tuplestore_puttuple_common(state, pos, (void *) tuple);
MemoryContextSwitchTo(oldcxt);
}
/*
* Similar to tuplestore_puttuple(), but work from values + nulls arrays.
* This avoids an extra tuple-construction operation.
*/
void
tuplestore_putvalues(Tuplestorestate *state, TupleDesc tdesc,
Datum *values, bool *isnull)
{
MemoryContext oldcxt = MemoryContextSwitchTo(state->context);
if (!state->mt_bind)
{
state->mt_bind = create_memtuple_binding(tdesc);
Assert(state->mt_bind);
}
MemTuple tuple = memtuple_form_to(state->mt_bind, values, isnull, NULL, NULL, false);
USEMEM(state, GetMemoryChunkSpace(tuple));
tuplestore_puttuple_common(state, (void *) tuple);
MemoryContextSwitchTo(oldcxt);
}
