Changeset: 0fa91e38753c for MonetDB
URL: http://dev.monetdb.org/hg/MonetDB?cmd=changeset;node=0fa91e38753c
Modified Files:
monetdb5/extras/jaql/jaqlgencode.c
Branch: Jul2012
Log Message:
group: annotate which group path is taken
diffs (45 lines):
diff --git a/monetdb5/extras/jaql/jaqlgencode.c
b/monetdb5/extras/jaql/jaqlgencode.c
--- a/monetdb5/extras/jaql/jaqlgencode.c
+++ b/monetdb5/extras/jaql/jaqlgencode.c
@@ -5883,6 +5883,7 @@ dumptree(jc *j, Client cntxt, MalBlkPtr
(t->tval1->next == NULL
&& t->tval1->tval1 == NULL));
w = t->tval1;
if (w == NULL) {
+ MALCOMMENT(mb, "simple group
into {");
/* simple "into" query:
equivalent of a single group */
q = newInstruction(mb,
ASSIGNsymbol);
setModuleId(q, algebraRef);
@@ -5957,8 +5958,10 @@ dumptree(jc *j, Client cntxt, MalBlkPtr
t->tval1 =
GDKzalloc(sizeof(tree));
t->tval1->type = j_var;
t->tval1->sval = GDKstrdup("$");
+ MALCOMMENT(mb, "} simple group
into");
continue;
}
+ MALCOMMENT(mb, "group into single input
{");
/* recall:
* sval = varname of group key
* tval1 = source input (if co-group)
@@ -6120,12 +6123,14 @@ dumptree(jc *j, Client cntxt, MalBlkPtr
t->tval1->type = j_var;
t->tval1->sval = GDKstrdup("$");
+ MALCOMMENT(mb, "} group into single
input");
continue;
} else { /* co-group */
json_var *js;
tree *w, *preds, *pw;
int i;
+ MALCOMMENT(mb, "co-group {");
/* first compute with join */
for (i = 0, w = t->tval1; w != NULL; w
= w->next, i++)
;
@@ -6173,6 +6178,7 @@ dumptree(jc *j, Client cntxt, MalBlkPtr
t->tval1->next = NULL;
freetree(t->tval1->tval1);
t->tval1->tval1 = NULL;
+ MALCOMMENT(mb, "} co-group");
continue; /* reevaluate this group */
}
assert(0);
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