Changeset: aefd9a174705 for MonetDB
URL: http://dev.monetdb.org/hg/MonetDB?cmd=changeset;node=aefd9a174705
Modified Files:
monetdb5/mal/mal_instruction.mx
Branch: default
Log Message:
Copy variable properties upon request
diffs (38 lines):
diff --git a/monetdb5/mal/mal_instruction.mx b/monetdb5/mal/mal_instruction.mx
--- a/monetdb5/mal/mal_instruction.mx
+++ b/monetdb5/mal/mal_instruction.mx
@@ -251,6 +251,7 @@ mal_export int cloneVariable(MalBlkPtr d
mal_export void renameVariable(MalBlkPtr mb, int i, str name);
mal_export void resetVarName(MalBlkPtr mb, int i);
mal_export void copyVariable(MalBlkPtr dst, VarPtr v);
+mal_export void copyProperties(MalBlkPtr mb, int src, int dst);
mal_export void removeVariable(MalBlkPtr mb, int varid);
mal_export int newTmpVariable(MalBlkPtr mb, malType type);
mal_export int newTmpSink(MalBlkPtr mb, malType type);
@@ -1265,6 +1266,26 @@ delVariable(MalBlkPtr mb, int varid)
}
void
+copyProperties(MalBlkPtr mb, int src, int dst)
+{
+ VarPtr w, v;
+ int i;
+
+ assert(src >=0 && src < mb->vtop);
+ assert(dst >=0 && dst < mb->vtop);
+ v = mb->var[src];
+ w = mb->var[dst];
+ if ( w->maxprop < v->maxprop){
+ w = (VarPtr) GDKrealloc(w, sizeof(VarRecord) + v->maxprop *
sizeof(int));
+ mb->var[dst] = w;
+ w->maxprop = v->maxprop;
+ }
+ w->propc = v->propc;
+ for ( i= 0; i< v->propc; i++)
+ w->prps[i] = v->prps[i];
+}
+
+void
copyVariable(MalBlkPtr dst, VarPtr v)
{
int i;
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