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Replace TupleTableSlot convention for whole-row variables and function

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results with tuples as ordinary varlena Datums.  This commit does not
in itself do much for us, except eliminate the horrid memory leak
associated with evaluation of whole-row variables.  However, it lays the
groundwork for allowing composite types as table columns, and perhaps
some other useful features as well.  Per my proposal of a few days ago.
This commit is contained in:
Tom Lane
2004-04-01 21:28:47 +00:00
parent 8590a62b75
commit 375369acd1
60 changed files with 1779 additions and 1733 deletions
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4
src/tutorial/funcs.c
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@ -22,7 +22,7 @@ float8 *add_one_float8(float8 *arg);
Point *makepoint(Point *pointx, Point *pointy);
text *copytext(text *t);
text *concat_text(text *arg1, text *arg2);
bool c_overpaid(TupleTableSlot *t, /* the current instance of EMP */
bool c_overpaid(HeapTupleHeader t, /* the current instance of EMP */
int32 limit);
@ -94,7 +94,7 @@ concat_text(text *arg1, text *arg2)
/* Composite types */
bool
c_overpaid(TupleTableSlot *t, /* the current instance of EMP */
c_overpaid(HeapTupleHeader t, /* the current instance of EMP */
int32 limit)
{
bool isnull;

2
src/tutorial/funcs_new.c
View File

@ -115,7 +115,7 @@ PG_FUNCTION_INFO_V1(c_overpaid);
Datum
c_overpaid(PG_FUNCTION_ARGS)
{
TupleTableSlot *t = (TupleTableSlot *) PG_GETARG_POINTER(0);
HeapTupleHeader t = PG_GETARG_HEAPTUPLEHEADER(0);
int32 limit = PG_GETARG_INT32(1);
bool isnull;
int32 salary;