bool
write_record(aerospike* p_as)
{
as_error err;
// Create an as_record object with four 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_raw().
as_record rec;
as_record_inita(&rec, 4);
as_record_set_int64(&rec, "test-bin-1", 1111);
as_record_set_int64(&rec, "test-bin-2", 2222);
as_record_set_str(&rec, "test-bin-3", "test-bin-3-data");
static const uint8_t bytes[] = { 1, 2, 3 };
as_record_set_raw(&rec, "test-bin-4", bytes, 3);
// 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(p_as, &err, NULL, &g_key, &rec) != AEROSPIKE_OK) {
LOG("aerospike_key_put() returned %d - %s", err.code, err.message);
return false;
}
LOG("write succeeded");
return true;
}
//------------------------------------------------
// Read the whole test record from the database.
//
bool
example_read_test_record(aerospike* p_as)
{
as_error err;
as_record* p_rec = NULL;
// Read the test record from the database.
if (aerospike_key_get(p_as, &err, NULL, &g_key, &p_rec) != AEROSPIKE_OK) {
LOG("aerospike_key_get() returned %d - %s", err.code, err.message);
return false;
}
// If we didn't get an as_record object back, something's wrong.
if (! p_rec) {
LOG("aerospike_key_get() retrieved null as_record object");
return false;
}
// Log the result.
LOG("record was successfully read from database:");
example_dump_record(p_rec);
// Destroy the as_record object.
as_record_destroy(p_rec);
return true;
}
bool
write_record(aerospike* p_as)
{
as_error err;
// Create an as_record object with two (integer type) 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, 2);
as_record_set_int64(&rec, "test-bin-1", 1000);
as_record_set_int64(&rec, "test-bin-2", 1000);
// 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(p_as, &err, NULL, &g_key, &rec) != AEROSPIKE_OK) {
LOG("aerospike_key_put() returned %d - %s", err.code, err.message);
return false;
}
LOG("write succeeded");
return true;
}
bool
batch_read_cb(const as_batch_read* results, uint32_t n, void* udata)
{
LOG("batch read callback returned %u/%u record results:", n, g_n_keys);
uint32_t n_found = 0;
uint32_t i;
for (i = 0; i < n; i++) {
LOG("index %u, key %" PRId64 ":", i,
as_integer_getorelse((as_integer*)results[i].key->valuep, -1));
if (results[i].result == AEROSPIKE_OK) {
LOG(" AEROSPIKE_OK");
// For aerospike_batch_exists() calls, there should be record
// metadata but no bins.
example_dump_record(&results[i].record);
n_found++;
}
else if (results[i].result == AEROSPIKE_ERR_RECORD_NOT_FOUND) {
// The transaction succeeded but the record doesn't exist.
LOG(" AEROSPIKE_ERR_RECORD_NOT_FOUND");
}
else {
// The transaction didn't succeed.
LOG(" error %d", results[i].result);
}
}
LOG("... found %u/%u records", n_found, n);
return true;
}
bool
scan_cb(const as_val* p_val, void* udata)
{
if (! p_val) {
LOG("scan callback returned null - scan is complete");
return true;
}
// The scan didn't use a UDF, so the as_val object should be an as_record.
as_record* p_rec = as_record_fromval(p_val);
if (! p_rec) {
LOG("scan callback returned non-as_record object");
return true;
}
LOG("scan callback returned record:");
example_dump_record(p_rec);
return true;
}
//------------------------------------------------
// Read multiple-record examples' test records
// from the database.
//
bool
example_read_test_records(aerospike* p_as)
{
// Multiple-record examples insert g_n_keys records, using integer keys from
// 0 to (g_n_keys - 1).
for (uint32_t i = 0; i < g_n_keys; i++) {
as_error err;
// 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);
as_record* p_rec = NULL;
// Read a test record from the database.
if (aerospike_key_get(p_as, &err, NULL, &key, &p_rec) != AEROSPIKE_OK) {
LOG("aerospike_key_get() returned %d - %s", err.code, err.message);
return false;
}
// If we didn't get an as_record object back, something's wrong.
if (! p_rec) {
LOG("aerospike_key_get() retrieved null as_record object");
return false;
}
// Log the result.
LOG("read record with key %u from database:", i);
example_dump_record(p_rec);
// Destroy the as_record object.
as_record_destroy(p_rec);
}
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;
}
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_operations object with a pair of bin arithmetic operations.
// Generally, if using as_operations_inita(), we won't need to destroy the
// object unless we call as_operations_add_write() with an externally
// allocated as_bin_value.
as_operations ops;
as_operations_inita(&ops, 2);
as_operations_add_incr(&ops, "test-bin-1", 1001);
as_operations_add_incr(&ops, "test-bin-2", 1002);
// Log the operations.
LOG("as_operations object to apply to database:");
example_dump_operations(&ops);
// Apply the operations. Since the record does not exist, it will be created
// and the bins initialized with the ops' integer values.
if (aerospike_key_operate(&as, &err, NULL, &g_key, &ops, NULL) !=
AEROSPIKE_OK) {
LOG("aerospike_key_operate() returned %d - %s", err.code, err.message);
example_cleanup(&as);
exit(-1);
}
LOG("operations succeeded");
if (! example_read_test_record(&as)) {
example_cleanup(&as);
exit(-1);
}
// Generate a different set of arithmetic operations.
as_operations_inita(&ops, 3);
as_operations_add_incr(&ops, "test-bin-1", 1);
as_operations_add_incr(&ops, "test-bin-2", -2);
as_operations_add_incr(&ops, "test-bin-3", 3);
// Log the operations.
LOG("as_operations object to apply to database:");
example_dump_operations(&ops);
// Apply the operations. The first two bins exist, so those ops' values will
// be added to the existing values. The third (non-existent) bin will be
// created and initialized with the op's integer value.
if (aerospike_key_operate(&as, &err, NULL, &g_key, &ops, NULL) !=
AEROSPIKE_OK) {
LOG("aerospike_key_operate() returned %d - %s", err.code, err.message);
example_cleanup(&as);
exit(-1);
}
LOG("operations succeeded");
if (! example_read_test_record(&as)) {
example_cleanup(&as);
exit(-1);
}
// Create an as_record object with one string value bin.
as_record rec;
as_record_inita(&rec, 1);
as_record_set_str(&rec, "test-bin-1", "test-bin-1-data");
// Log its contents.
LOG("as_record object to write to database:");
example_dump_record(&rec);
// Write the record to the database, to change the value type of the bin.
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);
}
// Log the operations. (Same operations as last time.)
LOG("as_operations object to apply to database:");
example_dump_operations(&ops);
// Try to apply the three arithmetic operations again. This will fail, since
// we can't increment the string value. Note that if any operation in the
// transaction is rejected, none will be applied.
if (aerospike_key_operate(&as, &err, NULL, &g_key, &ops, NULL) !=
AEROSPIKE_ERR_BIN_INCOMPATIBLE_TYPE) {
LOG("aerospike_key_operate() returned %d - %s, expected "
"AEROSPIKE_ERR_BIN_INCOMPATIBLE_TYPE", err.code, err.message);
example_cleanup(&as);
exit(-1);
}
LOG("operations failed as expected");
if (! example_read_test_record(&as)) {
example_cleanup(&as);
exit(-1);
}
// Generate a pair of operations to do an atomic increment and read.
as_operations_inita(&ops, 2);
as_operations_add_incr(&ops, "test-bin-3", 1);
as_operations_add_read(&ops, "test-bin-3");
// Log the operations.
LOG("as_operations object to apply to database:");
example_dump_operations(&ops);
as_record* p_rec = NULL;
// Apply the operations. The first will add the op's value to the existing
// value, and the second will return the result. The pair of operations will
// be atomic on the server.
if (aerospike_key_operate(&as, &err, NULL, &g_key, &ops, &p_rec) !=
AEROSPIKE_OK) {
LOG("aerospike_key_operate() returned %d - %s", err.code, err.message);
example_cleanup(&as);
exit(-1);
}
LOG("operations succeeded");
example_dump_record(p_rec);
as_record_destroy(p_rec);
if (! example_read_test_record(&as)) {
example_cleanup(&as);
exit(-1);
}
// Cleanup and disconnect from the database cluster.
example_cleanup(&as);
LOG("incr 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;
as_record* p_rec = NULL;
// Try to read the test record from the database. This should fail since the
// record is not there.
if (aerospike_key_get(&as, &err, NULL, &g_key, &p_rec) !=
AEROSPIKE_ERR_RECORD_NOT_FOUND) {
LOG("aerospike_key_get() returned %d - %s, expected "
"AEROSPIKE_ERR_RECORD_NOT_FOUND", err.code, err.message);
as_record_destroy(p_rec);
example_cleanup(&as);
exit(-1);
}
// Note that p_rec will still be NULL here.
LOG("get (non-existent record) failed as expected");
// Write a record to the database so we can demonstrate read success.
if (! write_record(&as)) {
example_cleanup(&as);
exit(-1);
}
// Read the (whole) test record from the database.
if (aerospike_key_get(&as, &err, NULL, &g_key, &p_rec) != AEROSPIKE_OK) {
LOG("aerospike_key_get() returned %d - %s", err.code, err.message);
example_cleanup(&as);
exit(-1);
}
// Log the result and recycle the as_record object.
LOG("record was successfully read from database:");
example_dump_record(p_rec);
as_record_destroy(p_rec);
p_rec = NULL;
// Select bins 1 and 3 to read.
static const char* bins_1_3[] = { "test-bin-1", "test-bin-3", NULL };
// Read only these two bins of the test record from the database.
if (aerospike_key_select(&as, &err, NULL, &g_key, bins_1_3, &p_rec) !=
AEROSPIKE_OK) {
LOG("aerospike_key_select() returned %d - %s", err.code, err.message);
example_cleanup(&as);
exit(-1);
}
// Log the result and recycle the as_record object.
LOG("bins 1 and 3 were read from database:");
example_dump_record(p_rec);
as_record_destroy(p_rec);
p_rec = NULL;
// Select non-existent bin 5 to read.
static const char* bins_5[] = { "test-bin-5", NULL };
// Read only this bin from the database. This call should return an
// as_record object with one bin, with null as_bin_value.
if (aerospike_key_select(&as, &err, NULL, &g_key, bins_5, &p_rec) !=
AEROSPIKE_OK) {
LOG("aerospike_key_select() returned %d - %s", err.code, err.message);
example_cleanup(&as);
exit(-1);
}
// Log the result and destroy the as_record object.
LOG("non-existent bin 5 was read from database:");
example_dump_record(p_rec);
as_record_destroy(p_rec);
p_rec = NULL;
// Sleep 2 seconds, just to show the TTL decrease.
LOG("waiting 2 seconds ...");
sleep(2);
// Use aerospike_key_exists() to get only record metadata.
if (aerospike_key_exists(&as, &err, NULL, &g_key, &p_rec) != AEROSPIKE_OK) {
LOG("aerospike_key_exists() returned %d - %s", err.code, err.message);
example_cleanup(&as);
exit(-1);
}
// Log the result, which will only have metadata.
LOG("existence check found record metadata:");
example_dump_record(p_rec);
as_record_destroy(p_rec);
// Cleanup and disconnect from the database cluster.
example_cleanup(&as);
LOG("get 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", 1234);
// Set the TTL of the record so it will last a minute.
rec.ttl = 60;
// 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);
}
// Create an as_operations object with a touch operation. Generally, if
// using as_operations_inita(), we won't need to destroy the object unless
// we call as_operations_add_write() with an externally allocated
// as_bin_value.
as_operations ops;
as_operations_inita(&ops, 1);
as_operations_add_touch(&ops);
// Set the TTL of the record so it will last two minutes.
ops.ttl = 120;
// Log the operation.
LOG("as_operations object to apply to database:");
example_dump_operations(&ops);
// Apply the operation. Note that it does increment the record generation.
if (aerospike_key_operate(&as, &err, NULL, &g_key, &ops, NULL) !=
AEROSPIKE_OK) {
LOG("aerospike_key_operate() returned %d - %s", err.code, err.message);
example_cleanup(&as);
exit(-1);
}
LOG("operation succeeded");
if (! example_read_test_record(&as)) {
example_cleanup(&as);
exit(-1);
}
// Cleanup and disconnect from the database cluster.
example_cleanup(&as);
LOG("touch example successfully completed");
return 0;
}