static librdf_query_results*
librdf_query_rasqal_execute(librdf_query* query, librdf_model* model)
{
librdf_query_rasqal_context *context=(librdf_query_rasqal_context*)query->context;
librdf_query_results* results;
if (context->model)
librdf_free_model(context->model);
/* model is always non-NULL */
context->model = model;
librdf_model_add_reference(model);
/* This assumes raptor's URI implementation is librdf_uri */
if(rasqal_query_prepare(context->rq, context->query_string,
(raptor_uri*)context->uri))
return NULL;
if(context->results)
rasqal_free_query_results(context->results);
context->results=rasqal_query_execute(context->rq);
if(!context->results)
return NULL;
results = LIBRDF_MALLOC(librdf_query_results*, sizeof(*results));
if(!results) {
rasqal_free_query_results(context->results);
context->results=NULL;
} else {
results->query=query;
}
return results;
}
ssStatus_t parseM3_sparql_bindings(GSList** template_query_, unsigned char * query_str, sib_data_structure* p)
{
GSList* template_query =NULL;
librdf_world * world;
rasqal_query* rq;
rasqal_graph_pattern* gp;
gchar* prefix_query_str;
gchar* prefix_str;
//printf("RECEIVED SPARQL IN\n");
//printf("q: %s\n",op->req->query_str);
prefix_str= g_strdup_printf("PREFIX %s <%s> PREFIX %s <%s> PREFIX %s <%s> PREFIX %s <%s> ",rdf_c ,rdf_ex ,fn_c_2,fn_ex,rdfs_c,rdfs_ex,xsd_c , xsd_ex);
prefix_query_str=g_strdup_printf("%s %s", prefix_str, query_str);
rq = rasqal_new_query(p->sparql_preprocessing_world, "sparql",NULL);
//printf ("pre parsing\n");
if(rasqal_query_prepare(rq, prefix_query_str, NULL)) {
rasqal_free_query(rq);
rq = NULL;
*template_query_ =template_query;
g_free( prefix_str);
g_free( prefix_query_str);
rasqal_free_world(world);
return ss_GeneralError;
}
//printf ("query prepared\n");
gp = rasqal_query_get_query_graph_pattern(rq);
navigator_graph_pattern_load(gp, -1, 0, &template_query);
*template_query_ =template_query;
g_free( prefix_str);
g_free( prefix_query_str);
rasqal_free_query(rq);
return ss_StatusOK;
}
static rasqal_query*
check_query_init_query(rasqal_world *world,
const char* ql_name,
const unsigned char* query_string,
raptor_uri* base_uri,
raptor_sequence* data_graphs)
{
rasqal_query* rq;
rq = rasqal_new_query(world, (const char*)ql_name, NULL);
if(!rq) {
fprintf(stderr, "%s: Failed to create query in language %s\n",
program, ql_name);
goto tidy_query;
}
if(rasqal_query_prepare(rq, (const unsigned char*)query_string, base_uri)) {
fprintf(stderr, "%s: Parsing query failed\n", program);
rasqal_free_query(rq); rq = NULL;
goto tidy_query;
}
if(data_graphs) {
rasqal_data_graph* dg;
while((dg = (rasqal_data_graph*)raptor_sequence_pop(data_graphs))) {
if(rasqal_query_add_data_graph(rq, dg)) {
fprintf(stderr, "%s: Failed to add data graph to query\n",
program);
goto tidy_query;
}
}
}
tidy_query:
return rq;
}
int fs_update(fs_query_state *qs, char *update, char **message, int unsafe)
{
rasqal_query *rq = rasqal_new_query(qs->rasqal_world, "sparql11-update", NULL);
if (!rq) {
*message = g_strdup_printf("Unable to initialise update parser");
return 1;
}
struct update_context uctxt;
rasqal_world_set_log_handler(qs->rasqal_world, &uctxt, error_handler);
memset(&uctxt, 0, sizeof(uctxt));
uctxt.link = qs->link;
uctxt.segments = fsp_link_segments(qs->link);
uctxt.qs = qs;
uctxt.rq = rq;
raptor_uri *bu = raptor_new_uri(qs->raptor_world, (unsigned char *)"local:local");
rasqal_query_prepare(rq, (unsigned char *)update, bu);
if (uctxt.error) {
if (uctxt.messages) {
*message = build_update_error_message(uctxt.messages);
g_slist_free(uctxt.messages);
}
return 1;
}
if (!quad_buffer) {
quad_buffer = calloc(uctxt.segments, sizeof(struct quad_buf));
}
int ok = 1;
for (int i=0; 1; i++) {
rasqal_update_operation *op = rasqal_query_get_update_operation(rq, i);
if (!op) {
break;
}
uctxt.op = op;
uctxt.opid = i;
if (update_op(&uctxt)) {
ok = 0;
break;
}
}
fsp_res_import_commit_all(qs->link);
fsp_quad_import_commit_all(qs->link, FS_BIND_BY_SUBJECT);
rasqal_free_query(rq);
if (uctxt.messages) {
*message = build_update_error_message(uctxt.messages);
g_slist_free(uctxt.messages);
}
for (GSList *it=uctxt.freeable; it; it=it->next) {
g_free(it->data);
}
g_slist_free(uctxt.freeable);
raptor_free_uri(bu);
if (ok) {
return 0;
} else {
return 1;
}
}
static rasqal_query*
roqet_init_query(rasqal_world *world,
const char* ql_name,
const char* ql_uri, const unsigned char* query_string,
raptor_uri* base_uri,
rasqal_feature query_feature, int query_feature_value,
const unsigned char* query_feature_string_value,
int store_results,
raptor_sequence* data_graphs)
{
rasqal_query* rq;
rq = rasqal_new_query(world, (const char*)ql_name,
(const unsigned char*)ql_uri);
if(!rq) {
fprintf(stderr, "%s: Failed to create query name %s\n",
program, ql_name);
goto tidy_query;
}
if(query_feature_value >= 0)
rasqal_query_set_feature(rq, query_feature, query_feature_value);
if(query_feature_string_value)
rasqal_query_set_feature_string(rq, query_feature,
query_feature_string_value);
#ifdef STORE_RESULTS_FLAG
if(store_results >= 0)
rasqal_query_set_store_results(rq, store_results);
#endif
if(data_graphs) {
rasqal_data_graph* dg;
while((dg = (rasqal_data_graph*)raptor_sequence_pop(data_graphs))) {
if(rasqal_query_add_data_graph(rq, dg)) {
fprintf(stderr, "%s: Failed to add data graph to query\n",
program);
goto tidy_query;
}
}
}
if(rasqal_query_prepare(rq, query_string, base_uri)) {
size_t len = strlen((const char*)query_string);
fprintf(stderr, "%s: Parsing query '", program);
if(len > MAX_QUERY_ERROR_REPORT_LEN) {
(void)fwrite(query_string, MAX_QUERY_ERROR_REPORT_LEN, sizeof(char),
stderr);
fprintf(stderr, "...' (%d bytes) failed\n", (int)len);
} else {
(void)fwrite(query_string, len, sizeof(char), stderr);
fputs("' failed\n", stderr);
}
rasqal_free_query(rq);
rq = NULL;
goto tidy_query;
}
tidy_query:
return rq;
}
int
main(int argc, char **argv) {
const char *program=rasqal_basename(argv[0]);
const char *query_language_name=QUERY_LANGUAGE;
raptor_uri *base_uri;
unsigned char *uri_string;
int test_i;
limit_test* test;
int tests_failed_count=0;
int single_shot= -1;
int query_i;
rasqal_world *world;
world=rasqal_new_world();
if(!world || rasqal_world_open(world)) {
fprintf(stderr, "%s: rasqal_world init failed\n", program);
return(1);
}
if(argc < 2 || argc > 3) {
fprintf(stderr, "USAGE: %s data-filename [test number]\n", program);
return(1);
}
if(argv[2])
single_shot=atoi(argv[2]);
uri_string=raptor_uri_filename_to_uri_string("");
base_uri = raptor_new_uri(world->raptor_world_ptr, uri_string);
raptor_free_memory(uri_string);
for(query_i=0; query_i < NQUERIES; query_i++) {
const char *query_format = limit_queries[query_i];
int dynamic_limits = (strstr(query_format, "%s %s") != NULL);
for(test_i=(single_shot >=0 ? single_shot : 0);
(test=&limit_offset_tests[test_i]) && (test->expected_count >=0);
test_i++) {
int result_i;
rasqal_query *query = NULL;
rasqal_query_results *results = NULL;
const char* expected_results;
int test_ok=1;
unsigned char *data_string;
unsigned char *query_string;
size_t qs_len;
#define LIM_OFF_BUF_SIZE 20
data_string=raptor_uri_filename_to_uri_string(argv[1]);
qs_len = strlen((const char*)data_string) + strlen(query_format) + (2 * LIM_OFF_BUF_SIZE);
query_string = RASQAL_MALLOC(unsigned char*, qs_len + 1);
if(dynamic_limits) {
char lim[LIM_OFF_BUF_SIZE];
char off[LIM_OFF_BUF_SIZE];
if(test->limit >= 0)
snprintf(lim, LIM_OFF_BUF_SIZE, "LIMIT %d", test->limit);
else
*lim = '\0';
if(test->offset >= 0)
snprintf(off, LIM_OFF_BUF_SIZE, "OFFSET %d", test->offset);
else
*off = '\0';
IGNORE_FORMAT_NONLITERAL_START
snprintf((char*)query_string, qs_len, query_format, data_string, lim, off);
IGNORE_FORMAT_NONLITERAL_END
}
else {
IGNORE_FORMAT_NONLITERAL_START
snprintf((char*)query_string, qs_len, query_format, data_string);
IGNORE_FORMAT_NONLITERAL_END
}
raptor_free_memory(data_string);
query = rasqal_new_query(world, query_language_name, NULL);
if(!query) {
fprintf(stderr, "%s: creating query in language %s FAILED\n", program,
query_language_name);
return(1);
}
#if defined(RASQAL_DEBUG) && RASQAL_DEBUG > 1
fprintf(stderr,
"%s: preparing query %d test %d - %s\n", program, query_i, test_i,
query_string);
#endif
if(rasqal_query_prepare(query, query_string, base_uri)) {
fprintf(stderr, "%s: query %d test %d prepare '%s' FAILED\n", program,
query_i, test_i, query_string);
return(1);
}
if(!dynamic_limits) {
rasqal_query_set_limit(query, test->limit);
rasqal_query_set_offset(query, test->offset);
}
#if defined(RASQAL_DEBUG) && RASQAL_DEBUG > 1
fprintf(stderr, "%s: executing query %d test %d\n", program, query_i,
test_i);
#endif
results=rasqal_query_execute(query);
if(!results) {
fprintf(stderr, "%s: query %d test %d FAILED\n", program,
query_i, test_i);
return(1);
}
/* check results */
expected_results=test->expected_results[query_i];
result_i=0;
tests_failed_count=0;
while(results && !rasqal_query_results_finished(results)) {
rasqal_literal *value;
const char* str;
char expected_str[2]={0,0};
int failed=1;
if(result_i < test->expected_count)
expected_str[0]=expected_results[result_i];
value=rasqal_query_results_get_binding_value(results, 0);
if(value) {
int error=0;
str=(const char*)rasqal_literal_as_string_flags(value, 0, &error);
if(!error && str) {
size_t len=strlen(str);
if(len == 1 && str[0] == expected_str[0])
failed=0;
}
}
if(failed) {
fprintf(stderr,
"%s: query %d test %d result %d FAILED returning value '%s' expected value '%s'\n",
program, query_i, test_i, result_i, (str ? str: "NULL"),
expected_str);
test_ok=0;
}
rasqal_query_results_next(results);
result_i++;
}
if(results)
rasqal_free_query_results(results);
if(!test_ok) {
fprintf(stderr, "%s: query %d test %d limit %d offset %d FAILED\n",
program, query_i, test_i, test->limit, test->offset);
} else {
if(result_i != test->expected_count) {
fprintf(stderr,
"%s: query %d test %d limit %d offset %d FAILED returned %d results, expected %d\n",
program,
query_i, test_i, test->limit, test->offset, result_i,
test->expected_count);
test_ok=0;
}
}
if(!test_ok) {
tests_failed_count++;
} else {
#if defined(RASQAL_DEBUG) && RASQAL_DEBUG > 1
fprintf(stderr, "%s: query %d test %d OK\n", program, query_i, test_i);
#endif
}
rasqal_free_query(query);
RASQAL_FREE(char*, query_string);
if(single_shot >=0)
break;
} /* end test loop */
} /* end query loop */
int
main(int argc, char **argv) {
const char *program=rasqal_basename(argv[0]);
rasqal_query *query = NULL;
rasqal_query_results *results = NULL;
raptor_uri *base_uri;
unsigned char *data_string;
unsigned char *uri_string;
const char *query_language_name=QUERY_LANGUAGE;
const char *query_format=QUERY_FORMAT;
unsigned char *query_string;
int count;
rasqal_world *world;
const char *data_file;
world=rasqal_new_world();
if(!world || rasqal_world_open(world)) {
fprintf(stderr, "%s: rasqal_world init failed\n", program);
return(1);
}
if((data_file = getenv("RDF_DATA_FILE"))) {
/* got data from environment */
} else {
if(argc != 2) {
fprintf(stderr, "USAGE: %s data-filename\n", program);
return(1);
}
data_file = argv[1];
}
data_string = raptor_uri_filename_to_uri_string(data_file);
query_string=(unsigned char*)RASQAL_MALLOC(cstring, strlen((const char*)data_string)+strlen(query_format)+1);
sprintf((char*)query_string, query_format, data_string);
raptor_free_memory(data_string);
uri_string=raptor_uri_filename_to_uri_string("");
base_uri = raptor_new_uri(world->raptor_world_ptr, uri_string);
raptor_free_memory(uri_string);
query=rasqal_new_query(world, query_language_name, NULL);
if(!query) {
fprintf(stderr, "%s: creating query in language %s FAILED\n", program,
query_language_name);
return(1);
}
printf("%s: preparing %s query\n", program, query_language_name);
if(rasqal_query_prepare(query, query_string, base_uri)) {
fprintf(stderr, "%s: %s query prepare FAILED\n", program,
query_language_name);
return(1);
}
RASQAL_FREE(cstring, query_string);
printf("%s: executing query #1\n", program);
results=rasqal_query_execute(query);
if(!results) {
fprintf(stderr, "%s: query execution 1 FAILED\n", program);
return(1);
}
count=0;
while(results && !rasqal_query_results_finished(results)) {
int i;
for(i=0; i<rasqal_query_results_get_bindings_count(results); i++) {
const unsigned char *name=rasqal_query_results_get_binding_name(results, i);
rasqal_literal *value=rasqal_query_results_get_binding_value(results, i);
printf("result %d: variable %s=", count+1, (char*)name);
rasqal_literal_print(value, stdout);
putchar('\n');
}
rasqal_query_results_next(results);
count++;
}
if(results)
rasqal_free_query_results(results);
if(count != EXPECTED_RESULTS_COUNT) {
fprintf(stderr, "%s: query execution 1 returned %d results, expected %d\n",
program, count, EXPECTED_RESULTS_COUNT);
return(1);
}
printf("%s: executing query #2\n", program);
results = rasqal_query_execute(query);
if(!results) {
fprintf(stderr, "%s: query execution 2 FAILED\n", program);
return(1);
}
count=0;
while(results && !rasqal_query_results_finished(results)) {
int i;
for(i=0; i<rasqal_query_results_get_bindings_count(results); i++) {
const unsigned char *name=rasqal_query_results_get_binding_name(results, i);
rasqal_literal *value=rasqal_query_results_get_binding_value(results, i);
printf("result %d: variable %s=", count+1, (char*)name);
rasqal_literal_print(value, stdout);
putchar('\n');
}
rasqal_query_results_next(results);
count++;
}
if(results)
rasqal_free_query_results(results);
if(count != EXPECTED_RESULTS_COUNT) {
fprintf(stderr, "%s: query execution 2 returned %d results, expected %d\n",
program, count, EXPECTED_RESULTS_COUNT);
return(1);
}
printf("%s: executing query #3\n", program);
results = rasqal_query_execute(query);
if(!results) {
fprintf(stderr, "%s: query execution 3 FAILED\n", program);
return(1);
}
rasqal_free_query_results(results);
printf("%s: executing query #4\n", program);
results = rasqal_query_execute(query);
if(!results) {
fprintf(stderr, "%s: query execution 4 FAILED\n", program);
return(1);
}
rasqal_free_query_results(results);
rasqal_free_query(query);
raptor_free_uri(base_uri);
rasqal_free_world(world);
return 0;
}
