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https://github.com/MariaDB/server.git
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updated example1 to use mysql c-api for table creation
This commit is contained in:
tomas@poseidon.ndb.mysql.com
parent
3a5b5b0c29
commit
c14ebf5216
2 changed files with 79 additions and 70 deletions
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@ -1,21 +1,23 @@
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TARGET = ndbapi_example1
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SRCS = ndbapi_example1.cpp
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OBJS = ndbapi_example1.o
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SRCS = $(TARGET).cpp
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OBJS = $(TARGET).o
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CXX = g++
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CFLAGS = -c -Wall -fno-rtti -fno-exceptions
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CXXFLAGS =
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DEBUG =
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LFLAGS = -Wall
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INCLUDE_DIR = ../../include
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LIB_DIR = -L../../src/.libs \
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-L../../../libmysql_r/.libs \
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-L../../../mysys
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TOP_SRCDIR = ../../..
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INCLUDE_DIR = $(TOP_SRCDIR)
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LIB_DIR = -L$(TOP_SRCDIR)/ndb/src/.libs \
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-L$(TOP_SRCDIR)/libmysql_r/.libs \
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-L$(TOP_SRCDIR)/mysys
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SYS_LIB =
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$(TARGET): $(OBJS)
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$(CXX) $(LFLAGS) $(LIB_DIR) $(OBJS) -lndbclient -lmysqlclient_r -lmysys -lz $(SYS_LIB) -o $(TARGET)
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$(CXX) $(CXXFLAGS) $(LFLAGS) $(LIB_DIR) $(OBJS) -lndbclient -lmysqlclient_r -lmysys -lz $(SYS_LIB) -o $(TARGET)
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$(TARGET).o: $(SRCS)
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$(CXX) $(CFLAGS) -I$(INCLUDE_DIR) -I$(INCLUDE_DIR)/ndbapi $(SRCS)
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$(CXX) $(CFLAGS) -I$(INCLUDE_DIR)/include -I$(INCLUDE_DIR)/ndb/include -I$(INCLUDE_DIR)/ndb/include/ndbapi $(SRCS)
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clean:
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rm -f *.o $(TARGET)
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@ -14,36 +14,50 @@
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
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//
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// ndbapi_example1.cpp: Using synchronous transactions in NDB API
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//
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// Correct output from this program is:
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//
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// ATTR1 ATTR2
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// 0 10
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// 1 1
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// 2 12
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// Detected that deleted tuple doesn't exist!
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// 4 14
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// 5 5
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// 6 16
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// 7 7
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// 8 18
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// 9 9
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/*
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* ndbapi_example1.cpp: Using synchronous transactions in NDB API
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*
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* Correct output from this program is:
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*
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* ATTR1 ATTR2
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* 0 10
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* 1 1
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* 2 12
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* Detected that deleted tuple doesn't exist!
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* 4 14
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* 5 5
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* 6 16
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* 7 7
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* 8 18
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* 9 9
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*
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*/
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#include <mysql.h>
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#include <NdbApi.hpp>
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// Used for cout
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#include <stdio.h>
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#include <iostream>
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static void run_application(Ndb_cluster_connection &);
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static void run_application(MYSQL &, Ndb_cluster_connection &);
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#define PRINT_ERROR(code,msg) \
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std::cout << "Error in " << __FILE__ << ", line: " << __LINE__ \
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<< ", code: " << code \
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<< ", msg: " << msg << "." << std::endl
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#define MYSQLERROR(mysql) { \
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PRINT_ERROR(mysql_errno(&mysql),mysql_error(&mysql)); \
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exit(-1); }
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#define APIERROR(error) { \
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PRINT_ERROR(error.code,error.message); \
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exit(-1); }
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int main()
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{
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// ndb_init must be called first
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ndb_init();
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// connect to cluster and run application
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// connect to mysql server and cluster and run application
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{
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// Object representing the cluster
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Ndb_cluster_connection cluster_connection;
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@ -64,31 +78,47 @@ int main()
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exit(-1);
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}
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// connect to mysql server
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MYSQL mysql;
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if ( !mysql_init(&mysql) ) {
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std::cout << "mysql_init failed\n";
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exit(-1);
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}
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if ( !mysql_real_connect(&mysql, "localhost", "root", "", "",
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3306, "/tmp/mysql.sock", 0) )
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MYSQLERROR(mysql);
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// run the application code
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run_application(cluster_connection);
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run_application(mysql, cluster_connection);
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}
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// ndb_end should not be called until all "Ndb" objects are deleted
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ndb_end(0);
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std::cout << "\nTo drop created table use:\n"
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<< "echo \"drop table MYTABLENAME\" | mysql TEST_DB_1 -u root\n";
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return 0;
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}
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#define APIERROR(error) \
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{ std::cout << "Error in " << __FILE__ << ", line:" << __LINE__ << ", code:" \
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<< error.code << ", msg: " << error.message << "." << std::endl; \
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exit(-1); }
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static void create_table(MYSQL &);
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static void do_insert(Ndb &);
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static void do_update(Ndb &);
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static void do_delete(Ndb &);
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static void do_read(Ndb &);
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static void create_table(Ndb &myNdb);
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static void do_insert(Ndb &myNdb);
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static void do_update(Ndb &myNdb);
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static void do_delete(Ndb &myNdb);
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static void do_read(Ndb &myNdb);
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static void run_application(Ndb_cluster_connection &cluster_connection)
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static void run_application(MYSQL &mysql,
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Ndb_cluster_connection &cluster_connection)
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{
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/********************************************
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* Connect to database *
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* Connect to database via mysql-c *
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********************************************/
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mysql_query(&mysql, "CREATE DATABASE TEST_DB_1");
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if (mysql_query(&mysql, "USE TEST_DB_1") != 0) MYSQLERROR(mysql);
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create_table(mysql);
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/********************************************
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* Connect to database via NdbApi *
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********************************************/
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// Object representing the database
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Ndb myNdb( &cluster_connection, "TEST_DB_1" );
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@ -97,7 +127,6 @@ static void run_application(Ndb_cluster_connection &cluster_connection)
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/*
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* Do different operations on database
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*/
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create_table(myNdb);
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do_insert(myNdb);
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do_update(myNdb);
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do_delete(myNdb);
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@ -107,37 +136,15 @@ static void run_application(Ndb_cluster_connection &cluster_connection)
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/*********************************************************
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* Create a table named MYTABLENAME if it does not exist *
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*********************************************************/
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static void create_table(Ndb &myNdb)
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static void create_table(MYSQL &mysql)
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{
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NdbDictionary::Dictionary* myDict = myNdb.getDictionary();
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if (myDict->getTable("MYTABLENAME") != NULL) {
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std::cout
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<< "NDB already has example table: MYTABLENAME.\n"
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<< "Use ndb_drop_table -d TEST_DB_1 MYTABLENAME\n";
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exit(-1);
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}
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NdbDictionary::Table myTable;
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NdbDictionary::Column myColumn;
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myTable.setName("MYTABLENAME");
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myColumn.setName("ATTR1");
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myColumn.setType(NdbDictionary::Column::Unsigned);
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myColumn.setLength(1);
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myColumn.setPrimaryKey(true);
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myColumn.setNullable(false);
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myTable.addColumn(myColumn);
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myColumn.setName("ATTR2");
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myColumn.setType(NdbDictionary::Column::Unsigned);
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myColumn.setLength(1);
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myColumn.setPrimaryKey(false);
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myColumn.setNullable(false);
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myTable.addColumn(myColumn);
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if (myDict->createTable(myTable) == -1) APIERROR(myDict->getNdbError());
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if (mysql_query(&mysql,
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"CREATE TABLE"
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" MYTABLENAME"
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" (ATTR1 INT UNSIGNED PRIMARY KEY,"
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" ATTR2 INT UNSIGNED)"
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" ENGINE=NDB"))
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MYSQLERROR(mysql);
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}
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/**************************************************************************
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