Changeset: bd5b0de9d3f2 for MonetDB
URL: http://dev.monetdb.org/hg/MonetDB?cmd=changeset;node=bd5b0de9d3f2
Modified Files:
sql/backends/monet5/sql.c
sql/backends/monet5/sql_rdf.h
sql/backends/monet5/sql_rdf_jgraph.c
sql/server/rel_optimizer.c
Branch: rdf
Log Message:
More fix after merging with default branch. (Done with BSBM benchmark)
- Fix the issue of pushing the projection up for simple renaming
diffs (115 lines):
diff --git a/sql/backends/monet5/sql.c b/sql/backends/monet5/sql.c
--- a/sql/backends/monet5/sql.c
+++ b/sql/backends/monet5/sql.c
@@ -155,7 +155,7 @@ sql_symbol2relation(mvc *c, symbol *sym)
if (1){
sT = clock();
- #if PRINT_FOR_DEBUG == 0
+ #if PRINT_FOR_DEBUG
//rel_print(c,r,0);
printf("BEFORE running rel_optimizer\n");
_rel_print(c,r);
@@ -167,7 +167,7 @@ sql_symbol2relation(mvc *c, symbol *sym)
if (rel_is_point_query(r) || rel_need_distinct_query(r))
c->point_query = 1;
- #if PRINT_FOR_DEBUG == 0
+ #if PRINT_FOR_DEBUG
printf("AFTER running rel_optimizer\n");
_rel_print(c,r);
#endif
diff --git a/sql/backends/monet5/sql_rdf.h b/sql/backends/monet5/sql_rdf.h
--- a/sql/backends/monet5/sql_rdf.h
+++ b/sql/backends/monet5/sql_rdf.h
@@ -83,6 +83,6 @@ extern int need_handling_exception;
#define RDF_HANDLING_EXCEPTION_POSSIBLE_TBL_OPT 1 /* Use the set of
possible table for the set of required props to limit the number of matching
subj Id */
-#define PRINT_FOR_DEBUG 0
+#define PRINT_FOR_DEBUG 1
#endif /*_SQL_RDF_H */
diff --git a/sql/backends/monet5/sql_rdf_jgraph.c
b/sql/backends/monet5/sql_rdf_jgraph.c
--- a/sql/backends/monet5/sql_rdf_jgraph.c
+++ b/sql/backends/monet5/sql_rdf_jgraph.c
@@ -743,6 +743,38 @@ const char *get_relname_from_basetable(s
}
+static
+int in_nmap(nMap *nm, const char* rname){
+ BUN bun;
+ bun = BUNfnd(nm->lmap,rname);
+
+ if (bun == BUN_NONE){
+ return 0;
+ }
+ else
+ return 1;
+}
+
+/*This function is similar to the function
+ * rel_name in rel_select.c. But with the
+ * difference when get the name from column
+ * expression */
+static
+const char *rel_name_rdf( sql_rel *r, nMap *nm)
+{
+ if (!is_project(r->op) && !is_base(r->op) && r->l)
+ return rel_name_rdf(r->l, nm);
+ if (r->exps && list_length(r->exps)) {
+ sql_exp *e = r->exps->h->data;
+ if (e->rname && in_nmap(nm, e->rname))
+ return e->rname;
+ if (e->type == e_column && in_nmap(nm, (const char*) e->l))
+ return e->l;
+
+
+ }
+ return NULL;
+}
/*
* Get the name of the relation of each JG node
@@ -1031,10 +1063,10 @@ void _add_join_edges(jgraph *jg, sql_rel
//printf("Atom value %d \n",tmpCond);
if (tmpCond == 1){
#if PRINT_FOR_DEBUG
- printf("Join (condition 1) between %s
and %s\n", rel_name((sql_rel*) rel->l), rel_name((sql_rel *)rel->r));
+ printf("Join (condition 1) between %s
and %s\n", rel_name_rdf((sql_rel*) rel->l, nm), rel_name_rdf((sql_rel
*)rel->r,nm));
#endif
- from = rname_to_nodeId(nm,
rel_name((sql_rel*) rel->l));
- to = rname_to_nodeId(nm,
rel_name((sql_rel*) rel->r));
+ from = rname_to_nodeId(nm,
rel_name_rdf((sql_rel*) rel->l,nm));
+ to = rname_to_nodeId(nm,
rel_name_rdf((sql_rel*) rel->r,nm));
if (have_same_subj(jg, from, to) == 1){
tmpjg = JP_S;
}
@@ -1064,8 +1096,8 @@ void _add_join_edges(jgraph *jg, sql_rel
int from, to;
JP tmpjp = JP_S;
- relname1 = rel_name((sql_rel*) rel->l);
- relname2 = rel_name((sql_rel*) rel->r);
+ relname1 = rel_name_rdf((sql_rel*) rel->l, nm);
+ relname2 = rel_name_rdf((sql_rel*) rel->r, nm);
#if PRINT_FOR_DEBUG
printf("CROSS PRODUCT HERE between %s and %s\n", relname1,
relname2);
diff --git a/sql/server/rel_optimizer.c b/sql/server/rel_optimizer.c
--- a/sql/server/rel_optimizer.c
+++ b/sql/server/rel_optimizer.c
@@ -4909,9 +4909,9 @@ rel_push_project_up(int *changes, mvc *s
if (!l || rel_is_ref(l) ||
(is_join(rel->op) && (!r || rel_is_ref(r))) ||
(is_select(rel->op) && l->op != op_project) ||
- /* we cannot rewrite projection from outer joins */
- ((is_left(rel->op) || is_full(rel->op)) && r->op ==
op_project) ||
- ((is_right(rel->op) || is_full(rel->op)) && l->op ==
op_project) ||
+ /* we cannot rewrite projection from outer joins - Disable
for simple renaming */
+ //((is_left(rel->op) || is_full(rel->op)) && r->op ==
op_project) ||
+ //((is_right(rel->op) || is_full(rel->op)) && l->op ==
op_project) ||
(is_join(rel->op) && l->op != op_project && r->op !=
op_project) ||
((l->op == op_project && (!l->l || l->r ||
project_unsafe(l))) ||
(is_join(rel->op) && (is_subquery(r) ||
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