static rasqal_rowsource*
rasqal_algebra_group_algebra_node_to_rowsource(rasqal_engine_algebra_data* execution_data,
rasqal_algebra_node* node,
rasqal_engine_error *error_p)
{
rasqal_query *query = execution_data->query;
rasqal_rowsource *rs;
rs = rasqal_algebra_node_to_rowsource(execution_data, node->node1, error_p);
if(!rs || *error_p)
return NULL;
return rasqal_new_groupby_rowsource(query->world, query, rs, node->seq);
}
int
main(int argc, char *argv[])
{
const char *program = rasqal_basename(argv[0]);
rasqal_rowsource *rowsource = NULL;
rasqal_world* world = NULL;
rasqal_query* query = NULL;
raptor_sequence* row_seq = NULL;
raptor_sequence* expr_seq = NULL;
int failures = 0;
rasqal_variables_table* vt;
rasqal_rowsource *input_rs = NULL;
int vars_count;
raptor_sequence* vars_seq = NULL;
int test_id;
world = rasqal_new_world();
if(!world || rasqal_world_open(world)) {
fprintf(stderr, "%s: rasqal_world init failed\n", program);
return(1);
}
query = rasqal_new_query(world, "sparql", NULL);
vt = query->vars_table;
for(test_id = 0; test_id < GROUP_TESTS_COUNT; test_id++) {
int expected_rows_count = test_data[test_id].rows;
int expected_vars_count = test_data[test_id].vars;
const int* expected_group_ids = test_data[test_id].group_ids;
int expected_ngroups = test_data[test_id].ngroups;
raptor_sequence* seq = NULL;
int count;
int size;
int i;
int groups_counted;
int last_group_id;
vars_count = expected_vars_count;
row_seq = rasqal_new_row_sequence(world, vt, test_data[test_id].data,
vars_count, &vars_seq);
if(row_seq) {
input_rs = rasqal_new_rowsequence_rowsource(world, query, vt,
row_seq, vars_seq);
/* vars_seq and row_seq are now owned by input_rs */
vars_seq = row_seq = NULL;
}
if(!input_rs) {
fprintf(stderr, "%s: failed to create rowsequence rowsource\n", program);
failures++;
goto tidy;
}
#ifdef HAVE_RAPTOR2_API
expr_seq = raptor_new_sequence((raptor_data_free_handler)rasqal_free_expression,
(raptor_data_print_handler)rasqal_expression_print);
#else
expr_seq = raptor_new_sequence((raptor_sequence_free_handler*)rasqal_free_expression,
(raptor_sequence_print_handler*)rasqal_expression_print);
#endif
if(test_data[test_id].expr_vars[0] != NULL) {
int vindex;
const unsigned char* var_name;
for(vindex = 0;
(var_name = (const unsigned char*)test_data[test_id].expr_vars[vindex] );
vindex++) {
rasqal_variable* v;
rasqal_literal *l = NULL;
rasqal_expression* e = NULL;
v = rasqal_variables_table_get_by_name(vt, var_name);
if(v)
l = rasqal_new_variable_literal(world, v);
if(l)
e = rasqal_new_literal_expression(world, l);
if(e)
raptor_sequence_push(expr_seq, e);
else {
fprintf(stderr, "%s: failed to create variable %s\n", program,
(const char*)var_name);
failures++;
goto tidy;
}
}
}
rowsource = rasqal_new_groupby_rowsource(world, query, input_rs, expr_seq);
/* input_rs is now owned by rowsource */
input_rs = NULL;
if(!rowsource) {
fprintf(stderr, "%s: failed to create groupby rowsource\n", program);
failures++;
goto tidy;
}
seq = rasqal_rowsource_read_all_rows(rowsource);
if(!seq) {
fprintf(stderr,
"%s: test %d rasqal_rowsource_read_all_rows() returned a NULL seq for a groupby rowsource\n",
program, test_id);
failures++;
goto tidy;
}
count = raptor_sequence_size(seq);
if(count != expected_rows_count) {
fprintf(stderr,
"%s: test %d rasqal_rowsource_read_all_rows() returned %d rows for a groupby rowsource, expected %d\n",
program, test_id, count, expected_rows_count);
failures++;
goto tidy;
}
size = rasqal_rowsource_get_size(rowsource);
if(size != expected_vars_count) {
fprintf(stderr,
"%s: test %d rasqal_rowsource_get_size() returned %d columns (variables) for a groupby rowsource, expected %d\n",
program, test_id, size, expected_vars_count);
failures++;
goto tidy;
}
groups_counted = 0;
last_group_id = -1;
for(i = 0; i < count; i++) {
rasqal_row* row = raptor_sequence_get_at(seq, i);
if(row->group_id != last_group_id) {
groups_counted++;
last_group_id = row->group_id;
}
if(row->group_id != expected_group_ids[i]) {
fprintf(stderr, "%s: test %d row #%d has group_id %d, expected %d\n",
program, test_id, i, row->group_id, expected_group_ids[i]);
failures++;
goto tidy;
}
}
if(groups_counted != expected_ngroups) {
fprintf(stderr, "%s: test %d returnd %d groups, expected %d\n",
program, test_id, groups_counted, expected_ngroups);
failures++;
goto tidy;
}
#ifdef RASQAL_DEBUG
rasqal_rowsource_print_row_sequence(rowsource, seq, stderr);
#endif
raptor_free_sequence(seq); seq = NULL;
rasqal_free_rowsource(rowsource); rowsource = NULL;
if(expr_seq)
raptor_free_sequence(expr_seq);
expr_seq = NULL;
}
tidy:
if(expr_seq)
raptor_free_sequence(expr_seq);
if(rowsource)
rasqal_free_rowsource(rowsource);
if(input_rs)
rasqal_free_rowsource(input_rs);
if(query)
rasqal_free_query(query);
if(world)
rasqal_free_world(world);
return failures;
}