Changeset: 84870491b10a for MonetDB
URL: https://dev.monetdb.org/hg/MonetDB?cmd=changeset;node=84870491b10a
Modified Files:
monetdb5/modules/mal/projectionpath.c
Branch: default
Log Message:
Simplify code.
diffs (54 lines):
diff --git a/monetdb5/modules/mal/projectionpath.c
b/monetdb5/modules/mal/projectionpath.c
--- a/monetdb5/modules/mal/projectionpath.c
+++ b/monetdb5/modules/mal/projectionpath.c
@@ -12,11 +12,10 @@
str
ALGprojectionpath(Client cntxt, MalBlkPtr mb, MalStkPtr stk, InstrPtr pci)
{
- int i, top = 0;
- bat *bid;
+ int i;
+ bat bid;
bat *r = getArgReference_bat(stk, pci, 0);
BAT *b, **joins = (BAT**)GDKzalloc(pci->argc * sizeof(BAT*));
- int error = 0;
(void) mb;
(void) cntxt;
@@ -25,27 +24,20 @@ ALGprojectionpath(Client cntxt, MalBlkPt
if ( joins == NULL)
throw(MAL, "algebra.projectionpath", SQLSTATE(HY001)
MAL_MALLOC_FAIL);
for (i = pci->retc; i < pci->argc; i++) {
- bid = getArgReference_bat(stk, pci, i);
- b = BATdescriptor(*bid);
- if (b == NULL) {
- error = 1;
- } else {
- if (i + 1 < pci->argc && ATOMtype(b->ttype) !=
TYPE_oid) {
- error = 1;
- }
- else joins[top++] = b;
- }
- if (error) {
- while (top-- > 0)
- BBPunfix(joins[top]->batCacheid);
+ bid = *getArgReference_bat(stk, pci, i);
+ b = BATdescriptor(bid);
+ if (b == NULL || (i + 1 < pci->argc && ATOMtype(b->ttype) !=
TYPE_oid)) {
+ while (--i >= pci->retc)
+ BBPunfix(joins[i - pci->retc]->batCacheid);
GDKfree(joins);
throw(MAL, "algebra.projectionpath", "%s", b ?
SEMANTIC_TYPE_MISMATCH : INTERNAL_BAT_ACCESS);
}
+ joins[i - pci->retc] = b;
}
- joins[top] = NULL;
+ joins[pci->argc - pci->retc] = NULL;
b = BATprojectchain(joins);
- while (top-- > 0)
- BBPunfix(joins[top]->batCacheid);
+ for (i = pci->retc; i < pci->argc; i++)
+ BBPunfix(joins[i - pci->retc]->batCacheid);
GDKfree(joins);
if ( b)
BBPkeepref( *r = b->batCacheid);
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