int
main(int argc, char* argv[])
{
// Parse command line arguments.
if (! example_get_opts(argc, argv, EXAMPLE_MULTI_KEY_OPTS)) {
exit(-1);
}
// Connect to the aerospike database cluster.
aerospike as;
example_connect_to_aerospike_with_udf_config(&as, UDF_USER_PATH);
// Start clean.
example_remove_test_records(&as);
example_remove_index(&as, TEST_INDEX_NAME);
// Register the UDF in the database cluster.
if (! example_register_udf(&as, UDF_FILE_PATH)) {
example_cleanup(&as);
exit(-1);
}
// Create a numeric secondary index on test-bin.
if (! example_create_integer_index(&as, "test-bin", TEST_INDEX_NAME)) {
cleanup(&as);
exit(-1);
}
if (! insert_records(&as)) {
cleanup(&as);
exit(-1);
}
if (! example_read_test_records(&as)) {
cleanup(&as);
exit(-1);
}
as_error err;
// Create an as_query object.
as_query query;
as_query_init(&query, g_namespace, g_set);
// Generate an as_query.where condition. Note that as_query_destroy() takes
// care of destroying all the query's member objects if necessary. However
// using as_query_where_inita() does avoid internal heap usage.
as_query_where_inita(&query, 1);
as_query_where(&query, "test-bin", as_integer_range(1, 10));
// Specify the UDF to use on the resulting stream.
as_query_apply(&query, UDF_MODULE, "sum_test_bin", NULL);
LOG("executing map-reduce query: where test-bin = 1 ... 10");
// Execute the query. This call blocks - callbacks are made in the scope of
// this call.
if (aerospike_query_foreach(&as, &err, NULL, &query, query_cb, NULL) !=
AEROSPIKE_OK) {
LOG("aerospike_query_foreach() returned %d - %s", err.code,
err.message);
as_query_destroy(&query);
cleanup(&as);
exit(-1);
}
LOG("map-reduce query executed");
// Reuse the as_query object for another query.
as_query_destroy(&query);
as_query_init(&query, g_namespace, g_set);
// Generate an as_query.where condition.
as_query_where_inita(&query, 1);
as_query_where(&query, "test-bin", as_integer_range(1, 10));
// Specify another UDF to use on the resulting stream. Like the previous UDF
// it sums the test-bin values that satisfy the where condition, but does so
// in a different, more efficient manner (see query_udf.lua).
as_query_apply(&query, UDF_MODULE, "sum_test_bin_2", NULL);
LOG("executing aggregate-reduce query: where test-bin = 1 ... 10");
// Execute the query. This call blocks - callbacks are made in the scope of
// this call.
if (aerospike_query_foreach(&as, &err, NULL, &query, query_cb, NULL) !=
AEROSPIKE_OK) {
LOG("aerospike_query_foreach() returned %d - %s", err.code,
err.message);
as_query_destroy(&query);
cleanup(&as);
exit(-1);
}
LOG("aggregate-reduce query executed");
// Reuse the as_query object for another query.
as_query_destroy(&query);
as_query_init(&query, g_namespace, g_set);
// Generate an as_query.where condition.
as_query_where_inita(&query, 1);
as_query_where(&query, "test-bin", as_integer_range(1, 10));
// Specify another UDF to use on the resulting stream. Like the previous
// UDFs it sums test-bin values that satisfy the where condition, but first
// applies a filter to sum only even values (see query_udf.lua).
as_query_apply(&query, UDF_MODULE, "sum_test_bin_even", NULL);
LOG("executing filter-aggregate-reduce query: where test-bin = 1 ... 10");
// Execute the query. This call blocks - callbacks are made in the scope of
// this call.
if (aerospike_query_foreach(&as, &err, NULL, &query, query_cb, NULL) !=
AEROSPIKE_OK) {
LOG("aerospike_query_foreach() returned %d - %s", err.code,
err.message);
as_query_destroy(&query);
cleanup(&as);
exit(-1);
}
LOG("filter-aggregate-reduce query executed");
// Reuse the as_query object for another query.
as_query_destroy(&query);
as_query_init(&query, g_namespace, g_set);
// No as_query.where condition in this case, so we include everything.
// Specify another UDF to use on the resulting stream. This UDF operates on
// the numbers-bin (string) values, and demonstrates a case where the value
// returned by the query callback is an as_map (instead of an as_integer).
as_query_apply(&query, UDF_MODULE, "count_numbers", NULL);
LOG("executing numbers aggregate-reduce query: all records");
// Execute the query. This call blocks - callbacks are made in the scope of
// this call.
if (aerospike_query_foreach(&as, &err, NULL, &query, query_cb_map, NULL) !=
AEROSPIKE_OK) {
LOG("aerospike_query_foreach() returned %d - %s", err.code,
err.message);
as_query_destroy(&query);
cleanup(&as);
exit(-1);
}
LOG("numbers aggregate-reduce query executed");
as_query_destroy(&query);
// Cleanup and disconnect from the database cluster.
cleanup(&as);
LOG("aggregate query example successfully completed");
return 0;
}
int
main(int argc, char* argv[])
{
// Parse command line arguments.
if (! example_get_opts(argc, argv, EXAMPLE_MULTI_KEY_OPTS)) {
exit(-1);
}
// Connect to the aerospike database cluster.
aerospike as;
example_connect_to_aerospike(&as);
// Start clean.
example_remove_test_records(&as);
example_remove_index(&as, TEST_INDEX_NAME);
// Create a numeric secondary index on test-bin.
if (! example_create_integer_index(&as, "test-bin", TEST_INDEX_NAME)) {
cleanup(&as);
exit(-1);
}
if (! insert_records(&as)) {
cleanup(&as);
exit(-1);
}
if (! example_read_test_records(&as)) {
cleanup(&as);
exit(-1);
}
as_error err;
// Create an as_query object.
as_query query;
as_query_init(&query, g_namespace, g_set);
// Generate an as_query.where condition. Note that as_query_destroy() takes
// care of destroying all the query's member objects if necessary. However
// using as_query_where_inita() does avoid internal heap usage.
as_query_where_inita(&query, 1);
as_query_where(&query, "test-bin", as_integer_equals(7));
LOG("executing query: where test-bin = 7");
// Execute the query. This call blocks - callbacks are made in the scope of
// this call.
if (aerospike_query_foreach(&as, &err, NULL, &query, query_cb, NULL) !=
AEROSPIKE_OK) {
LOG("aerospike_query_foreach() returned %d - %s", err.code,
err.message);
as_query_destroy(&query);
cleanup(&as);
exit(-1);
}
LOG("query executed");
as_query_destroy(&query);
// Cleanup and disconnect from the database cluster.
cleanup(&as);
LOG("simple query example successfully completed");
return 0;
}
