CassError CassandraFS::create_file(const char* path, mode_t mode) {
CassUuid uuid;
cass_uuid_gen_time(ctxt->uuid_gen, &uuid);
CassError error_value = CASS_OK;
CassFuture* result_future = NULL;
if (S_ISDIR(mode)) {
result_future = create_dir_entry(path, mode);
} else {
result_future = create_file_entry(path, &uuid, mode);
}
CassFuture* result_future2 = create_sub_entry(path);
CassFuture* result_future3 = NULL;
if (!S_ISDIR(mode)) {
result_future3 = create_physical_file(&uuid);
}
CassError err1 = cass_future_error_code(result_future);
CassError err2 = cass_future_error_code(result_future2);
CassError err3 = CASS_OK;
if (result_future3 != NULL) {
err3 = cass_future_error_code(result_future3);
}
if (err1 != CASS_OK) {
cassandra_log_error(result_future);
error_value = err1;
}
if (err2 != CASS_OK) {
cassandra_log_error(result_future2);
error_value = err2;
}
if (err3 != CASS_OK && result_future3 != NULL) {
cassandra_log_error(result_future3);
error_value = err3;
}
cass_future_free(result_future);
cass_future_free(result_future2);
if (result_future3 != NULL) {
cass_future_free(result_future3);
}
return error_value;
}
static void ClearDatabase(Upload& upload) {
DatabaseSession session;
std::string str = "delete from uploadchunks where model_id = ? and upload_id = ?";
CassStatement* statement = cass_statement_new(str.c_str(), 2);
cass_statement_bind_uuid(statement, 0, upload.ModelId());
cass_statement_bind_uuid(statement, 1, upload.UploadId());
CassFuture* future = cass_session_execute(session.Session(), statement);
cass_future_wait(future);
cass_statement_free(statement);
CassError rc = cass_future_error_code(future);
if (rc != CASS_OK) {
std::string err = std::string("Failed to execute query: ")
+ CassandraUtils::GetCassandraError(future);
cass_future_free(future);
throw err;
}
cass_future_free(future);
}
CassError insert_into_basic(CassSession* session, const char* key, const Basic* basic) {
CassError rc = CASS_OK;
CassStatement* statement = NULL;
CassFuture* future = NULL;
const char* query
= "INSERT INTO examples.basic (key, bln, flt, dbl, i32, i64) VALUES (:k, :b, :f, :d, :i32, :i64);";
statement = cass_statement_new(query, 6);
cass_statement_bind_string_by_name(statement, "k", key);
cass_statement_bind_bool_by_name(statement, "b", basic->bln);
cass_statement_bind_float_by_name(statement, "f", basic->flt);
cass_statement_bind_double_by_name(statement, "d", basic->dbl);
cass_statement_bind_int32_by_name(statement, "i32", basic->i32);
cass_statement_bind_int64_by_name(statement, "i64", basic->i64);
future = cass_session_execute(session, statement);
cass_future_wait(future);
rc = cass_future_error_code(future);
if (rc != CASS_OK) {
print_error(future);
}
cass_future_free(future);
cass_statement_free(statement);
return rc;
}
void select_from_perf(CassSession* session, const char* query, const CassPrepared* prepared) {
int i;
CassFuture* futures[NUM_CONCURRENT_REQUESTS];
for (i = 0; i < NUM_CONCURRENT_REQUESTS; ++i) {
CassStatement* statement;
if (prepared != NULL) {
statement = cass_prepared_bind(prepared);
} else {
statement = cass_statement_new(query, 0);
}
futures[i] = cass_session_execute(session, statement);
cass_statement_free(statement);
}
for (i = 0; i < NUM_CONCURRENT_REQUESTS; ++i) {
CassFuture* future = futures[i];
CassError rc = cass_future_error_code(future);
if (rc != CASS_OK) {
print_error(future);
} else {
const CassResult* result = cass_future_get_result(future);
assert(cass_result_column_count(result) == 6);
cass_result_free(result);
}
cass_future_free(future);
}
}
int main() {
CassFuture* connect_future = NULL;
CassCluster* cluster = cass_cluster_new();
CassSession* session = cass_session_new();
cass_cluster_set_contact_points(cluster, "127.0.0.1");
connect_future = cass_session_connect(session, cluster);
if (cass_future_error_code(connect_future) == CASS_OK) {
CassFuture* close_future = NULL;
execute_query(session,
"CREATE KEYSPACE examples WITH replication = { \
'class': 'SimpleStrategy', 'replication_factor': '3' };");
print_keyspace(session, "examples");
execute_query(session,
"CREATE TABLE examples.schema_meta (key text, \
value bigint, \
PRIMARY KEY (key));");
print_table(session, "examples", "schema_meta");
/* Close the session */
close_future = cass_session_close(session);
cass_future_wait(close_future);
cass_future_free(close_future);
} else {
CassError insert_into_basic(CassSession* session, const char* key, const Basic* basic) {
CassError rc = CASS_OK;
CassStatement* statement = NULL;
CassFuture* future = NULL;
const char* query = "INSERT INTO examples.basic (key, bln, flt, dbl, i32, i64) VALUES (?, ?, ?, ?, ?, ?);";
statement = cass_statement_new(query, 6);
cass_statement_bind_string(statement, 0, key);
cass_statement_bind_bool(statement, 1, basic->bln);
cass_statement_bind_float(statement, 2, basic->flt);
cass_statement_bind_double(statement, 3, basic->dbl);
cass_statement_bind_int32(statement, 4, basic->i32);
cass_statement_bind_int64(statement, 5, basic->i64);
future = cass_session_execute(session, statement);
cass_future_wait(future);
rc = cass_future_error_code(future);
if (rc != CASS_OK) {
print_error(future);
}
cass_future_free(future);
cass_statement_free(statement);
return rc;
}
bool select_task(const std::string& query, CassConsistency consistency, int num_iterations) {
bool is_successful = true;
test_utils::CassStatementPtr statement(cass_statement_new(query.c_str(), 0));
cass_statement_set_consistency(statement.get(), consistency);
for (int i = 0; i < num_iterations; ++i) {
test_utils::CassFuturePtr future(cass_session_execute(session, statement.get()));
cass_future_wait(future.get());
CassError code = cass_future_error_code(future.get());
if (code != CASS_OK
&& code != CASS_ERROR_LIB_REQUEST_TIMED_OUT
&& code != CASS_ERROR_SERVER_READ_TIMEOUT) { // Timeout is okay
CassString message;
cass_future_error_message(future.get(), &message.data, &message.length);
fprintf(stderr, "Error occurred during select '%.*s'\n", static_cast<int>(message.length), message.data);
is_successful = false;
}
if (code == CASS_OK) {
test_utils::CassResultPtr result(cass_future_get_result(future.get()));
if (cass_result_row_count(result.get()) == 0) {
fprintf(stderr, "No rows returned from query\n");
is_successful = false;
}
}
}
return is_successful;
}
CassError insert_into(CassSession* session, const char* key) {
CassError rc = CASS_OK;
CassStatement* statement = NULL;
CassFuture* future = NULL;
cass_uint32_t d;
cass_int64_t t;
const char* query = "INSERT INTO examples.date_time (key, d, t) VALUES (?, ?, ?);";
time_t now = time(NULL);
d = cass_date_from_epoch(now);
t = cass_time_from_epoch(now);
statement = cass_statement_new(query, 3);
cass_statement_bind_string(statement, 0, key);
cass_statement_bind_uint32(statement, 1, d);
cass_statement_bind_int64(statement, 2, t);
future = cass_session_execute(session, statement);
cass_future_wait(future);
rc = cass_future_error_code(future);
if (rc != CASS_OK) {
print_error(future);
}
cass_future_free(future);
cass_statement_free(statement);
return rc;
}
const CassResult* Connection::execute(CassStatement* statement)
{
this->log("debug", "Connection::execute");
CassFuture* result = cass_session_execute(this->_session, statement);
CassError error = cass_future_error_code(result);
if (error != CASS_OK) {
CassString message = cass_future_error_message(result);
cass_future_free(result);
std::ostringstream out;
out << cass_error_desc(error) << ": " << message.data;
this->log("error", out.str());
throw Php::Exception(out.str());
return nullptr;
}
const CassResult* res = cass_future_get_result(result);
if (res == nullptr) {
throw Php::Exception("Error executing query, result is null");
}
cass_future_free(result);
return res;
}
bool execute_insert(CassSession* session, const std::string& table_name) {
std::string query = str(boost::format("INSERT INTO %s (id, event_time, text_sample) VALUES (?, ?, ?)") % table_name);
test_utils::CassStatementPtr statement(cass_statement_new(query.c_str(), 3));
// Determine if bound parameters can be used based on C* version
if (version.major == 1) {
test_utils::CassPreparedPtr prepared = test_utils::prepare(session, query.c_str());
statement = test_utils::CassStatementPtr(cass_prepared_bind(prepared.get()));
}
boost::chrono::system_clock::time_point now(boost::chrono::system_clock::now());
boost::chrono::milliseconds event_time(boost::chrono::duration_cast<boost::chrono::milliseconds>(now.time_since_epoch()));
std::string text_sample(test_utils::string_from_time_point(now));
cass_statement_bind_uuid(statement.get(), 0, test_utils::generate_time_uuid(uuid_gen));
cass_statement_bind_int64(statement.get(), 1, event_time.count());
cass_statement_bind_string(statement.get(), 2, text_sample.c_str());
test_utils::CassFuturePtr future(cass_session_execute(session, statement.get()));
cass_future_wait(future.get());
CassError code = cass_future_error_code(future.get());
if (code != CASS_OK && code != CASS_ERROR_LIB_REQUEST_TIMED_OUT) { // Timeout is okay
CassString message;
cass_future_error_message(future.get(), &message.data, &message.length);
fprintf(stderr, "Error occurred during insert '%.*s'\n", static_cast<int>(message.length), message.data);
return false;
}
return true;
}
CassError insert_into_collections(CassSession* session, const char* key, const char* items[]) {
CassError rc = CASS_OK;
CassStatement* statement = NULL;
CassFuture* future = NULL;
CassCollection* collection = NULL;
const char** item = NULL;
const char* query = "INSERT INTO examples.collections (key, items) VALUES (?, ?);";
statement = cass_statement_new(query, 2);
cass_statement_bind_string(statement, 0, key);
collection = cass_collection_new(CASS_COLLECTION_TYPE_SET, 2);
for (item = items; *item; item++) {
cass_collection_append_string(collection, *item);
}
cass_statement_bind_collection(statement, 1, collection);
cass_collection_free(collection);
future = cass_session_execute(session, statement);
cass_future_wait(future);
rc = cass_future_error_code(future);
if (rc != CASS_OK) {
print_error(future);
}
cass_future_free(future);
cass_statement_free(statement);
return rc;
}
static int execute(CassSession* session, char* query, int ignore_error)
{
CassStatement* stmt = cass_statement_new(query, 0);
CassFuture* future = cass_session_execute(session, stmt);
cass_statement_free(stmt);
CassError rc = cass_future_error_code(future);
if (rc != CASS_OK) {
if (ignore_error) {
cass_future_free(future);
return 0;
}
fprintf(stderr, "Cassandra error: %s\n", cass_error_desc(rc));
cass_future_free(future);
return -1;
}
cass_future_free(future);
return 0;
}
void DbCassandra::Initialize( const std::string &configPath )
{
ParseConfig( configPath );
const std::string remotes = config_.get<std::string>( "remotes" );
db_ = std::make_shared<DbConnection>();
auto cluster = cass_cluster_new();
db_->SetCluster( cluster );
auto session = cass_session_new();
db_->SetSession( session );
cass_cluster_set_contact_points( cluster, remotes.c_str() );
CassFuture *connect_future = cass_session_connect( session, cluster );
const CassError err = cass_future_error_code( connect_future );
cass_future_free( connect_future );
if ( err != CASS_OK )
throw std::logic_error( cass_error_desc( err ) );
const CassPrepared *prepared = nullptr;
if ( PrepareQuery( session, "INSERT INTO prun.jobs (job_id, job_descr) VALUES (?, ?);", reinterpret_cast<const CassPrepared**>( &prepared ) ) != CASS_OK )
throw std::logic_error( cass_error_desc( err ) );
db_->SetPreparedInsert( prepared );
if ( PrepareQuery( session, "DELETE FROM prun.jobs WHERE job_id = ?;", reinterpret_cast<const CassPrepared**>( &prepared ) ) != CASS_OK )
throw std::logic_error( cass_error_desc( err ) );
db_->SetPreparedDelete( prepared );
}
void on_select(CassFuture* future, void* data) {
CassError code = cass_future_error_code(future);
if (code != CASS_OK) {
print_error(future);
} else {
const CassResult* result = cass_future_get_result(future);
CassIterator* iterator = cass_iterator_from_result(result);
while (cass_iterator_next(iterator)) {
CassUuid key;
char key_str[CASS_UUID_STRING_LENGTH];
cass_uint64_t value = 0;
const CassRow* row = cass_iterator_get_row(iterator);
cass_value_get_uuid(cass_row_get_column(row, 0), &key);
cass_uuid_string(key, key_str);
cass_value_get_int64(cass_row_get_column(row, 1), (cass_int64_t*)&value);
printf("%s, %llu\n", key_str, (unsigned long long)value);
}
cass_iterator_free(iterator);
cass_result_free(result);
}
signal_exit((CassSession*)data);
}
void on_create_table(CassFuture* future, void* data) {
const char* insert_query = "INSERT INTO callbacks (key, value) "
"VALUES (?, ?)";
CassUuid key;
CassStatement* statement = NULL;
CassFuture* insert_future = NULL;
CassError code = cass_future_error_code(future);
if (code != CASS_OK) {
print_error(future);
}
statement = cass_statement_new(insert_query, 2);
cass_uuid_gen_time(uuid_gen, &key);
cass_statement_bind_uuid(statement, 0, key);
cass_statement_bind_int64(statement, 1, cass_uuid_timestamp(key));
insert_future = cass_session_execute((CassSession*)data, statement);
cass_future_set_callback(insert_future, on_insert, data);
cass_statement_free(statement);
cass_future_free(insert_future);
}
int main(int argc, char* argv[]) {
CassFuture* connect_future = NULL;
CassCluster* cluster = cass_cluster_new();
CassSession* session = cass_session_new();
char* hosts = "127.0.0.1";
if (argc > 1) {
hosts = argv[1];
}
cass_cluster_set_contact_points(cluster, hosts);
connect_future = cass_session_connect(session, cluster);
if (cass_future_error_code(connect_future) == CASS_OK) {
CassFuture* close_future = NULL;
execute_query(session,
"CREATE KEYSPACE examples WITH replication = { \
'class': 'SimpleStrategy', 'replication_factor': '3' };");
print_keyspace(session, "examples");
execute_query(session,
"CREATE TABLE examples.schema_meta (key text, \
value bigint, \
PRIMARY KEY (key));");
execute_query(session,
"CREATE FUNCTION examples.avg_state(state tuple<int, bigint>, val int) \
CALLED ON NULL INPUT RETURNS tuple<int, bigint> \
LANGUAGE java AS \
'if (val != null) { \
state.setInt(0, state.getInt(0) + 1); \
state.setLong(1, state.getLong(1) + val.intValue()); \
} \
/**
* Prepare all queries on a given session.
*
* @param session The session to prepare the queries on
*/
void prepare_all_queries(test_utils::CassSessionPtr session) {
for (std::vector<std::string>::const_iterator it = prepared_queries_.begin();
it != prepared_queries_.end();
++it) {
test_utils::CassFuturePtr future(cass_session_prepare(session.get(), it->c_str()));
BOOST_REQUIRE_EQUAL(cass_future_error_code(future.get()), CASS_OK);
}
}
/**
* librdf_storage_cassandra_context_add_statement:
* @storage: #librdf_storage object
* @context_node: #librdf_node object
* @statement: #librdf_statement statement to add
*
* Add a statement to a storage context.
*
* Return value: non 0 on failure
**/
static int
librdf_storage_cassandra_context_add_statement(librdf_storage* storage,
librdf_node* context_node,
librdf_statement* statement)
{
char* s;
char* p;
char* o;
char* c;
statement_helper(storage, statement, context_node, &s, &p, &o, &c);
librdf_storage_cassandra_instance* context;
context = (librdf_storage_cassandra_instance*)storage->instance;
char* query =
"BEGIN BATCH "
" INSERT INTO rdf.spo (s, p, o) VALUES (?, ?, ?);"
" INSERT INTO rdf.pos (s, p, o) VALUES (?, ?, ?);"
" INSERT INTO rdf.osp (s, p, o) VALUES (?, ?, ?);"
"APPLY BATCH;";
CassStatement* stmt = cass_statement_new(query, 9);
cass_statement_bind_string(stmt, 0, s);
cass_statement_bind_string(stmt, 1, p);
cass_statement_bind_string(stmt, 2, o);
cass_statement_bind_string(stmt, 3, s);
cass_statement_bind_string(stmt, 4, p);
cass_statement_bind_string(stmt, 5, o);
cass_statement_bind_string(stmt, 6, s);
cass_statement_bind_string(stmt, 7, p);
cass_statement_bind_string(stmt, 8, o);
if (s) free(s);
if (p) free(p);
if (o) free(o);
CassFuture* future = cass_session_execute(context->session, stmt);
cass_statement_free(stmt);
CassError rc = cass_future_error_code(future);
if (rc != CASS_OK) {
fprintf(stderr, "Cassandra: %s\n", cass_error_desc(rc));
const char* msg;
size_t msg_len;
cass_future_error_message(future, &msg, &msg_len);
fprintf(stderr, "Cassandra: %*s\n", msg_len, msg);
cass_future_free(future);
return -1;
}
cass_future_free(future);
return 0;
}
void on_create_keyspace(CassFuture* future, void* data) {
CassError code = cass_future_error_code(future);
if (code != CASS_OK) {
print_error(future);
}
execute_query((CassSession*)data,
"USE examples",
on_set_keyspace);
}
static int
cassandra_results_stream_end_of_stream(void* context)
{
cassandra_results_stream* scontext;
scontext = (cassandra_results_stream*)context;
if (scontext->at_end) {
if (scontext->more_pages) {
CassError rc;
rc = cass_statement_set_paging_state(scontext->stmt,
scontext->result);
if (rc != CASS_OK) {
fprintf(stderr, "Cassandra: %s\n", cass_error_desc(rc));
return -1;
}
cass_result_free(scontext->result);
scontext->result = 0;
CassFuture* future =
cass_session_execute(scontext->cassandra_context->session,
scontext->stmt);
rc = cass_future_error_code(future);
if (rc != CASS_OK) {
fprintf(stderr, "Cassandra: %s\n", cass_error_desc(rc));
const char* msg;
size_t msg_len;
cass_future_error_message(future, &msg, &msg_len);
fprintf(stderr, "Cassandra: %*s\n", msg_len, msg);
cass_future_free(future);
return -1;
}
scontext->result = cass_future_get_result(future);
cass_future_free(future);
scontext->iter = cass_iterator_from_result(scontext->result);
scontext->more_pages = cass_result_has_more_pages(scontext->result);
scontext->at_end = !cass_iterator_next(scontext->iter);
}
}
return (scontext->at_end);
}
void on_set_keyspace(CassFuture* future, void* data) {
CassError code = cass_future_error_code(future);
if (code != CASS_OK) {
print_error(future);
}
execute_query((CassSession*)data,
"CREATE TABLE callbacks "
"(key timeuuid PRIMARY KEY, value bigint)",
on_create_table);
}
void CassDriver::PrepareQuery() {
CassError rc = CASS_OK;
CassString insert_query = cass_string_init("INSERT INTO receiver_table "
"(receiver_id, ts, msg_id, group_id, msg, sender_id) "
"VALUES (?, ?, ?, ?, ?, ?);");
CassFuture* insert_future = cass_session_prepare(session_, insert_query);
cass_future_wait(insert_future);
rc = cass_future_error_code(insert_future);
if (rc != CASS_OK) {
PrintError(insert_future);
} else {
insert_prepared_ = cass_future_get_prepared(insert_future);
}
cass_future_free(insert_future);
rc = CASS_OK;
CassString select_query = cass_string_init("SELECT * FROM receiver_table "
"WHERE receiver_id = ?");
CassFuture* select_future = cass_session_prepare(session_, select_query);
cass_future_wait(select_future);
rc = cass_future_error_code(select_future);
if (rc != CASS_OK) {
PrintError(select_future);
} else {
select_prepared_ = cass_future_get_prepared(select_future);
}
cass_future_free(select_future);
rc = CASS_OK;
CassString delete_query = cass_string_init("DELETE FROM receiver_table "
"WHERE receiver_id = ?");
CassFuture* delete_future = cass_session_prepare(session_, delete_query);
cass_future_wait(delete_future);
rc = cass_future_error_code(delete_future);
if (rc != CASS_OK) {
PrintError(delete_future);
} else {
delete_prepared_ = cass_future_get_prepared(delete_future);
}
cass_future_free(delete_future);
}
CassError DbCassandra::PrepareQuery( CassSession *session, const char *query, const CassPrepared **prepared ) const
{
CassFuture *future = cass_session_prepare( session, query );
cass_future_wait( future );
CassError err = cass_future_error_code( future );
if ( err == CASS_OK )
*prepared = cass_future_get_prepared( future );
cass_future_free( future );
return err;
}
bool execute_insert(CassStatement* statement) {
test_utils::CassFuturePtr future(cass_session_execute(session, statement));
cass_future_wait(future.get());
CassError code = cass_future_error_code(future.get());
if (code != CASS_OK && code != CASS_ERROR_LIB_REQUEST_TIMED_OUT) { // Timeout is okay
CassString message;
cass_future_error_message(future.get(), &message.data, &message.length);
fprintf(stderr, "Error occurred during insert '%.*s'\n", static_cast<int>(message.length), message.data);
return false;
}
return true;
}
CassError connect_session(CassSession* session, const CassCluster* cluster) {
CassError rc = CASS_OK;
CassFuture* future = cass_session_connect(session, cluster);
cass_future_wait(future);
rc = cass_future_error_code(future);
if (rc != CASS_OK) {
print_error(future);
}
cass_future_free(future);
return rc;
}
void CassDriver::ConnectSession() {
CassError rc = CASS_OK;
CassFuture* future = cass_cluster_connect_keyspace(cluster_,
"offline_keyspace");
cass_future_wait(future);
rc = cass_future_error_code(future);
if (rc != CASS_OK) {
PrintError(future);
} else {
session_ = cass_future_get_session(future);
}
cass_future_free(future);
}
static void alter_schmea_version(void *arg) {
ClusterInit* cluster_init = static_cast<ClusterInit*>(arg);
test_utils::CassLog::reset("No schema agreement on live nodes after ");
test_utils::CassStatementPtr schema_stmt(cass_prepared_bind(cluster_init->schema_alter_prepared.get()));
boost::chrono::steady_clock::time_point end =
boost::chrono::steady_clock::now() + boost::chrono::milliseconds(MAX_SCHEMA_AGREEMENT_WAIT_MS + 1000);
// mess with system.peers for node 1 more than the wait time; targetting specific nodes
do {
cass_statement_bind_uuid(schema_stmt.get(), 0, test_utils::generate_random_uuid(cluster_init->inst.uuid_gen));
test_utils::CassFuturePtr future(cass_session_execute(cluster_init->schema_alter_session, schema_stmt.get()));
cass_future_wait(future.get());
BOOST_REQUIRE_EQUAL(cass_future_error_code(future.get()), CASS_OK);
} while (boost::chrono::steady_clock::now() < end && test_utils::CassLog::message_count() == 0);
}
/**
* Check the column count of a bound statement before and after adding a
* column to a table.
*
* @param expected_column_count_after_update
*/
void prepared_check_column_count_after_alter(size_t expected_column_count_after_update) {
test_utils::CassSessionPtr session(test_utils::create_session(cluster));
test_utils::execute_query(session.get(), str(boost::format("USE %s") % keyspace));
test_utils::CassFuturePtr future(cass_session_prepare(session.get(), "SELECT * FROM test WHERE k = 'key1'"));
BOOST_REQUIRE_EQUAL(cass_future_error_code(future.get()), CASS_OK);
test_utils::CassPreparedPtr prepared(cass_future_get_prepared(future.get()));
BOOST_REQUIRE(prepared);
test_utils::CassStatementPtr bound_statement(cass_prepared_bind(prepared.get()));
BOOST_REQUIRE(bound_statement);
// Verify that the table has two columns in the metadata
{
test_utils::CassFuturePtr result_future(cass_session_execute(session.get(), bound_statement.get()));
BOOST_REQUIRE_EQUAL(cass_future_error_code(result_future.get()), CASS_OK);
test_utils::CassResultPtr result(cass_future_get_result(result_future.get()));
BOOST_CHECK_EQUAL(cass_result_column_count(result.get()), 2u);
}
// Add a column to the table
test_utils::execute_query(session.get(), "ALTER TABLE test ADD v2 int");
// The column count shouldn't have changed
{
test_utils::CassFuturePtr result_future(cass_session_execute(session.get(), bound_statement.get()));
BOOST_REQUIRE_EQUAL(cass_future_error_code(result_future.get()), CASS_OK);
test_utils::CassResultPtr result(cass_future_get_result(result_future.get()));
BOOST_CHECK_EQUAL(cass_result_column_count(result.get()), expected_column_count_after_update);
}
}
void on_session_connect(CassFuture* future, void* data) {
CassSession* session = (CassSession*)data;
CassError code = cass_future_error_code(future);
if (code != CASS_OK) {
print_error(future);
signal_exit(NULL);
return;
}
execute_query(session,
"CREATE KEYSPACE examples WITH replication = { "
"'class': 'SimpleStrategy', 'replication_factor': '3' };",
on_create_keyspace);
}
std::string get_executing_host(test_utils::CassSessionPtr session) {
std::stringstream query;
query << "SELECT * FROM " << (version >= "3.0.0" ? "system_schema.keyspaces" : "system.schema_keyspaces");
test_utils::CassStatementPtr statement(cass_statement_new(query.str().c_str(), 0));
test_utils::CassFuturePtr future(cass_session_execute(session.get(), statement.get()));
if (cass_future_error_code(future.get()) == CASS_OK) {
return cass::get_host_from_future(future.get());
} else {
CassString message;
cass_future_error_message(future.get(), &message.data, &message.length);
std::cerr << "Failed to query host: " << std::string(message.data, message.length) << std::endl;
}
return "";
}
