MPSPARQL-19: use package.log to return the queries for debugging
[mp-sparql-moved-to-github.git] / src / filter_sparql.cpp
index 34759e5..638d2ba 100644 (file)
@@ -25,6 +25,7 @@ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 #include <boost/scoped_ptr.hpp>
 #include <boost/thread/mutex.hpp>
 #include <boost/thread/condition.hpp>
+#include <boost/algorithm/string.hpp>
 #include "sparql.h"
 
 #include <yaz/zgdu.h>
@@ -177,6 +178,32 @@ void yf::SPARQL::configure(const xmlNode *xmlnode, bool test_only,
                     conf->uri = mp::xml::get_text(attr->children);
                 else if (!strcmp((const char *) attr->name, "schema"))
                     conf->schema = mp::xml::get_text(attr->children);
+                else if (!strcmp((const char *) attr->name, "include"))
+                {
+                    std::vector<std::string> dbs;
+                    std::string db = mp::xml::get_text(attr->children);
+                    boost::split(dbs, db, boost::is_any_of(" \t"));
+                    size_t i;
+                    for (i = 0; i < dbs.size(); i++)
+                    {
+                        if (dbs[i].length() == 0)
+                            continue;
+                        std::list<ConfPtr>::const_iterator it = db_conf.begin();
+                        while (1)
+                            if (it == db_conf.end())
+                            {
+                                throw mp::filter::FilterException(
+                                    "include db not found: " + dbs[i]);
+                            }
+                            else if (dbs[i].compare((*it)->db) == 0)
+                            {
+                                yaz_sparql_include(s, (*it)->s);
+                                break;
+                            }
+                            else
+                                it++;
+                    }
+                }
                 else
                     throw mp::filter::FilterException(
                         "Bad attribute " + std::string((const char *)
@@ -421,6 +448,7 @@ Z_Records *yf::SPARQL::Session::fetch(
     std::list<Result>::iterator it = fset->results.begin();
     const char *schema = 0;
     bool uri_lookup = false;
+    bool fetch_logged = false;
     if (esn && esn->which == Z_ElementSetNames_generic)
         schema = esn->u.generic;
 
@@ -479,7 +507,9 @@ Z_Records *yf::SPARQL::Session::fetch(
             {
                 if (n->type == XML_ELEMENT_NODE)
                 {
-                    if (!strcmp((const char *) n->name, "uri"))
+                    //if (!strcmp((const char *) n->name, "uri"))
+                    if (!strcmp((const char *) n->name, "uri") ||
+                        !strcmp((const char *) n->name, "bnode") )
                     {
                         uri = mp::xml::get_text(n->children);
 
@@ -507,7 +537,19 @@ Z_Records *yf::SPARQL::Session::fetch(
                                                       uri.c_str(), schema);
                 if (!error)
                 {
-                    yaz_log(YLOG_LOG, "query=%s", query.c_str());
+                    if (!fetch_logged)
+                    { // Log the fetch query only once
+                        package.log("sparql", YLOG_LOG,
+                            "fetch query: for %s \n%s",
+                            uri.c_str(), query.c_str() );
+                        fetch_logged = true;
+                    }
+                    else
+                    {
+                        package.log("sparql", YLOG_LOG,
+                            "fetch uri:%s", uri.c_str() );
+                    }
+                    //yaz_log(YLOG_LOG, "query=%s", query.c_str());
                     error = invoke_sparql(package, query.c_str(),
                                           it->conf, w);
                 }
@@ -607,6 +649,9 @@ Z_APDU *yf::SPARQL::Session::search(mp::Package &package,
     Z_APDU *apdu_res = 0;
     mp::wrbuf w;
 
+    package.log("sparql", YLOG_LOG,
+        "search query:\n%s", sparql_query );
+
     int error = invoke_sparql(package, sparql_query, conf, w);
     if (error)
     {
@@ -766,7 +811,8 @@ void yf::SPARQL::Session::handle_z(mp::Package &package, Z_APDU *apdu_req)
             fset->db = db;
             it = m_sparql->db_conf.begin();
             for (; it != m_sparql->db_conf.end(); it++)
-                if (yaz_match_glob((*it)->db.c_str(), db.c_str()))
+                if ((*it)->schema.length() > 0
+                    && yaz_match_glob((*it)->db.c_str(), db.c_str()))
                 {
                     mp::wrbuf addinfo_wr;
                     mp::wrbuf sparql_wr;