Changeset: 3382245cae4b for MonetDB
URL: http://dev.monetdb.org/hg/MonetDB?cmd=changeset;node=3382245cae4b
Modified Files:
sql/backends/monet5/sql_rdf_jgraph.c
Branch: rdf
Log Message:
Bug fix: Creating exps for intermedia union (of multi-table matching)
diffs (29 lines):
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
@@ -2168,16 +2168,20 @@ sql_rel* _group_star_pattern(mvc *c, jgr
list *union_exps = NULL;
union_exps = new_exp_list(c->sa);
tmprel = tbl_m_rels[0];
- for (tblIdx = 1; tblIdx < num_match_tbl; tblIdx++){
- sql_rel *tmprel2 = rel_setop(c->sa, tmprel,
tbl_m_rels[tblIdx], op_union);
- tmprel = tmprel2;
- }
+
if (num_match_tbl > 1){
get_union_expr(c, tbl_m_rels[0], union_exps);
printf("Union expresion is: \n");
exps_print_ext(c, union_exps, 0, "");
- tmprel->exps = union_exps;
}
+
+ for (tblIdx = 1; tblIdx < num_match_tbl; tblIdx++){
+ sql_rel *tmprel2 = rel_setop(c->sa, tmprel,
tbl_m_rels[tblIdx], op_union);
+ list *tmpexps = exps_copy(c->sa, union_exps);
+ tmprel2->exps = tmpexps;
+ tmprel = tmprel2;
+ }
+
rel = tmprel;
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