SQL MySql
Demonstrates MySQL interface
main.cpp
#include <MySql/MySql.h>
// debian: sudo apt-get install libmysqlclient-dev
using namespace Upp;
#define SCHEMADIALECT <MySql/MySqlSchema.h>
#define MODEL <SQL_MySql/schema.sch>
#include <Sql/sch_header.h>
#include <Sql/sch_source.h>
#include <Sql/sch_schema.h>
CONSOLE_APP_MAIN
{
MySqlSession session;
// edit the connection parameters if necessary
if(session.Connect("root", "Passw0rd", "test")) {
Cout() << "Connected\n";
SQL = session;
SqlSchema sch(MY_SQL);
All_Tables(sch);
// create the table if necessary
SqlPerformScript(sch.Upgrade());
SqlPerformScript(sch.Attributes());
SQL.ClearError();
try {
// insert some random data
SQL & Insert(TEST_TABLE)(VALUE, Uuid::Create().ToString());
// fetch some data
Sql sql;
sql * Select(ID, VALUE).From(TEST_TABLE)
.OrderBy(Descending(ID))
.Limit(5);
while(sql.Fetch())
Cout() << AsString(sql[0]) << ": " << AsString(sql[VALUE]) << "\n";
}
catch(SqlExc &ex) {
Cerr() << "ERROR: " << ex << "\n";
SetExitCode(1);
}
}
else {
Cerr() <<"ERROR: Unable to connect to database\n";
SetExitCode(1);
}
}
schema.sch
TABLE_(TEST_TABLE)
INT_ (ID) PRIMARY_KEY AUTO_INCREMENT
STRING_ (VALUE, 32)
END_TABLE
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