bool
insert_records(aerospike* p_as)
{
// Create an as_record object with up to three integer value bins. By using
// as_record_inita(), we won't need to destroy the record if we only set
// bins using as_record_set_int64().
as_record rec;
as_record_inita(&rec, 3);
// Re-using rec, write records into the database such that each record's key
// and (test-bin) value is based on the loop index.
for (uint32_t i = 0; i < g_n_keys; i++) {
as_error err;
// Set up a default as_policy_write object.
as_policy_write wpol;
as_policy_write_init(&wpol);
// No need to destroy a stack as_key object, if we only use
// as_key_init_int64().
as_key key;
as_key_init_int64(&key, g_namespace, g_set, (int64_t)i);
// In general it's ok to reset a bin value - all as_record_set_... calls
// destroy any previous value.
if (i < 10) {
// Only write one bin in the first ten records.
as_record_set_int64(&rec, "test-bin-1", (int64_t)i);
// By default, we don't store the key with the record in the
// database. For these records, the key will not be returned in the
// scan callback.
}
else {
// Write three bins in all remaining records.
as_record_set_int64(&rec, "test-bin-1", (int64_t)i);
as_record_set_int64(&rec, "test-bin-2", (int64_t)(100 + i));
as_record_set_int64(&rec, "test-bin-3", (int64_t)(1000 + i));
// If we want the key to be returned in the scan callback, we must
// store it with the record in the database. AS_POLICY_KEY_SEND
// causes the key to be stored.
wpol.key = AS_POLICY_KEY_SEND;
}
// Write a record to the database.
if (aerospike_key_put(p_as, &err, &wpol, &key, &rec) != AEROSPIKE_OK) {
LOG("aerospike_key_put() returned %d - %s", err.code, err.message);
return false;
}
}
LOG("insert succeeded");
return true;
}
int
main(int argc, char* argv[])
{
// Parse command line arguments.
if (! example_get_opts(argc, argv, EXAMPLE_BASIC_OPTS)) {
exit(-1);
}
// Connect to the aerospike database cluster.
aerospike as;
example_connect_to_aerospike(&as);
// Start clean.
example_remove_test_record(&as);
as_error err;
// Create an as_record object with two bins with different value types. By
// using as_record_inita(), we won't need to destroy the record if we only
// set bins using as_record_set_int64(), as_record_set_str(), and
// as_record_set_nil().
as_record rec;
as_record_inita(&rec, 2);
as_record_set_int64(&rec, "test-bin-1", 1234);
as_record_set_str(&rec, "test-bin-2", "test-bin-2-data");
// Log its contents.
LOG("as_record object to write to database:");
example_dump_record(&rec);
// Write the record to the database.
if (aerospike_key_put(&as, &err, NULL, &g_key, &rec) != AEROSPIKE_OK) {
LOG("aerospike_key_put() returned %d - %s", err.code, err.message);
example_cleanup(&as);
exit(-1);
}
LOG("write succeeded");
if (! example_read_test_record(&as)) {
example_cleanup(&as);
exit(-1);
}
// Generate a different as_record object to write. In general it's ok to
// reuse the stack object by calling as_record_inita() again, as long as the
// previous contents are destroyed if necessary.
as_record_inita(&rec, 2);
as_record_set_int64(&rec, "test-bin-2", 2222);
as_record_set_str(&rec, "test-bin-3", "test-bin-3-data");
// Log its contents.
LOG("as_record object to write to database:");
example_dump_record(&rec);
// Write the record to the database. This will change the type and value of
// test-bin-2, will add test-bin-3, and will leave test-bin-one unchanged.
if (aerospike_key_put(&as, &err, NULL, &g_key, &rec) != AEROSPIKE_OK) {
LOG("aerospike_key_put() returned %d - %s", err.code, err.message);
example_cleanup(&as);
exit(-1);
}
LOG("write succeeded");
if (! example_read_test_record(&as)) {
example_cleanup(&as);
exit(-1);
}
// Generate another as_record object to write.
as_record_inita(&rec, 1);
as_record_set_nil(&rec, "test-bin-3");
// Log its contents.
LOG("as_record object to write to database:");
example_dump_record(&rec);
// Write the record to the database. This will remove test-bin-3 and
// will leave test-bin-1 and test-bin-2 unchanged.
if (aerospike_key_put(&as, &err, NULL, &g_key, &rec) != AEROSPIKE_OK) {
LOG("aerospike_key_put() returned %d - %s", err.code, err.message);
example_cleanup(&as);
exit(-1);
}
LOG("write succeeded");
if (! example_read_test_record(&as)) {
example_cleanup(&as);
exit(-1);
}
// Generate another as_record object to write.
as_record_inita(&rec, 1);
as_record_set_int64(&rec, "test-bin-1", 1111);
// Require that the write succeeds only if the record doesn't exist.
as_policy_write wpol;
as_policy_write_init(&wpol);
wpol.exists = AS_POLICY_EXISTS_CREATE;
// Log its contents.
LOG("as_record object to create in database:");
example_dump_record(&rec);
// Try to create the record. This should fail since the record already
// exists in the database.
if (aerospike_key_put(&as, &err, &wpol, &g_key, &rec) !=
AEROSPIKE_ERR_RECORD_EXISTS) {
LOG("aerospike_key_put() returned %d - %s, expected "
"AEROSPIKE_ERR_RECORD_EXISTS", err.code, err.message);
example_cleanup(&as);
exit(-1);
}
LOG("create failed as expected");
// Remove the record from the database so we can demonstrate create success.
if (aerospike_key_remove(&as, &err, NULL, &g_key) != AEROSPIKE_OK) {
LOG("aerospike_key_remove() returned %d - %s", err.code, err.message);
example_cleanup(&as);
exit(-1);
}
LOG("record removed from database, trying create again");
// Try to create the record again. This should succeed since the record is
// not currently in the database.
if (aerospike_key_put(&as, &err, &wpol, &g_key, &rec) !=
AEROSPIKE_OK) {
LOG("aerospike_key_put() returned %d - %s", err.code, err.message);
example_cleanup(&as);
exit(-1);
}
LOG("create succeeded");
if (! example_read_test_record(&as)) {
example_cleanup(&as);
exit(-1);
}
// Cleanup and disconnect from the database cluster.
example_cleanup(&as);
LOG("put example successfully completed");
return 0;
}
int
main(int argc, char* argv[])
{
// Parse command line arguments.
if (! example_get_opts(argc, argv, EXAMPLE_BASIC_OPTS)) {
exit(-1);
}
// Connect to the aerospike database cluster.
aerospike as;
example_connect_to_aerospike(&as);
// Start clean.
example_remove_test_record(&as);
as_error err;
// Create an as_record object with one (integer value) bin. By using
// as_record_inita(), we won't need to destroy the record if we only set
// bins using as_record_set_int64().
as_record rec;
as_record_inita(&rec, 1);
as_record_set_int64(&rec, TEST_BIN, 1001);
// Log its contents.
LOG("as_record object to write to database:");
example_dump_record(&rec);
// Write the record to the database. If the record isn't already in the
// database, it will be created with generation = 1.
if (aerospike_key_put(&as, &err, NULL, &g_key, &rec) != AEROSPIKE_OK) {
LOG("aerospike_key_put() returned %d - %s", err.code, err.message);
example_cleanup(&as);
exit(-1);
}
LOG("write succeeded");
uint16_t gen;
// Read the record back, and get its generation.
if (! read_generation(&as, &gen)) {
example_cleanup(&as);
exit(-1);
}
// Update the as_record object with a different bin value. In general it's
// ok to do this - all as_record_set_... calls destroy any previous value.
as_record_set_int64(&rec, TEST_BIN, 1002);
// Set its generation equal to that of the record in the database.
rec.gen = gen;
// Require that the next write will only succeed if generations match.
as_policy_write wpol;
as_policy_write_init(&wpol);
wpol.gen = AS_POLICY_GEN_EQ;
// Log its contents.
LOG("as_record object to write to database:");
example_dump_record(&rec);
// Re-write the record in the database. The write should succeed, and
// increment the generation.
if (aerospike_key_put(&as, &err, &wpol, &g_key, &rec) != AEROSPIKE_OK) {
LOG("aerospike_key_put() returned %d - %s", err.code, err.message);
example_cleanup(&as);
exit(-1);
}
LOG("re-write requiring generation = %u succeeded", rec.gen);
// Read the record back, and get its generation.
if (! read_generation(&as, &gen)) {
example_cleanup(&as);
exit(-1);
}
// Update the record object with a different bin value.
as_record_set_int64(&rec, TEST_BIN, 1003);
// Set its generation way past that of the record in the database.
rec.gen = gen + 10;
// Log its contents.
LOG("as_record object to write to database:");
example_dump_record(&rec);
// Try to re-write the record in the database. Use the same write policy,
// requiring generations to match. This write should fail.
if (aerospike_key_put(&as, &err, &wpol, &g_key, &rec) !=
AEROSPIKE_ERR_RECORD_GENERATION) {
LOG("aerospike_key_put() returned %d - %s, expected "
"AEROSPIKE_ERR_RECORD_GENERATION", err.code, err.message);
example_cleanup(&as);
exit(-1);
}
LOG("re-write requiring generation = %u failed as expected", rec.gen);
// Now require that the next write will only succeed if the specified
// generation is greater than that of the record in the database.
wpol.gen = AS_POLICY_GEN_GT;
// Log its contents.
LOG("as_record object to write to database:");
example_dump_record(&rec);
// Try again. This write should succeed, and increment the generation. (Note
// that it does not write the record with the local generation!)
if (aerospike_key_put(&as, &err, &wpol, &g_key, &rec) != AEROSPIKE_OK) {
LOG("aerospike_key_put() returned %d - %s", err.code, err.message);
example_cleanup(&as);
exit(-1);
}
LOG("re-write requiring generation < %u succeeded", rec.gen);
// Read the record back, and get its generation.
if (! read_generation(&as, &gen)) {
example_cleanup(&as);
exit(-1);
}
// Cleanup and disconnect from the database cluster.
example_cleanup(&as);
LOG("generation example successfully completed");
return 0;
}
