59
59
// test basic_statement binding via stream operator
60
60
sqlite::command c4( db, "INSERT INTO pets VALUES( ?, ? )" );
61
61
c4 << "tessa" << 16 << sqlite::exec;
62
sqlite::command( db, "INSERT INTO pets VALUES( ?, ? )" ) <<
63
sqlite::null << sqlite::null <<
62
sqlite::command c5( db, "INSERT INTO pets VALUES( ?, ? )" );
63
c5 << sqlite::null << sqlite::null <<
64
64
sqlite::set_index( 1 ) << "tamara" << sqlite::exec;
66
66
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
77
77
q1.step().column( 0, age ); assert( age == 12 );
78
name = q1.step().column< std::string >( 2 ); assert( name == "mopti" );
78
q1.step().column( 2, name ); assert( name == "mopti" );
80
80
// test row stream operator
81
81
sqlite::row r1 = q1.step();
91
91
// test NULL value handling
92
92
assert( row.column_type( 2 ) == SQLITE_NULL );
93
age = row.column< unsigned int >( 2 ); assert( age == 0 );
93
row.column( 2, age ); assert( age == 0 );
94
94
row.column( 2, name ); assert( name == "" );
96
96
// test end of results
97
97
assert( !q1.step() );
99
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
101
// test query itterator
102
sqlite::query q2( db, "SELECT * FROM pets ORDER BY age DESC" );
103
for( sqlite::query::iterator i = q2.begin(); i != q2.end(); i++ ) {
104
if( i->index() == 3 )
105
assert( i->column< std::string >( 0 ) == "tessa" &&
106
i->column< unsigned int >( 1 ) == 16 );
107
// for( unsigned int a = 0; a < q2.column_count(); a++ )
108
// std::cout << q2.column_name( a ) << "[" <<
109
// i->column< std::string >( a ) << "] ";
110
// std::cout << "\n";
112
assert( q2.column_count() == 2 );
113
assert( q2.column_name( 0 ) == "name" );
115
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
118
{ sqlite::transaction_guard< > t1( db ); }
119
{ sqlite::transaction_guard< sqlite::exclusive_transaction > t1( db ); }
120
{ sqlite::transaction_guard< sqlite::recursive_transaction > t1( db );
121
sqlite::transaction_guard< sqlite::recursive_transaction > t2( db ); }
123
// test transaction guard rollback
125
sqlite::transaction_guard< > t1( db );
126
db.exec( "UPDATE pets SET age = 99" );
128
sqlite::query( db, "SELECT age FROM pets ORDER BY age DESC LIMIT 1" )
129
.step() >> age; assert( age == 123 );
131
// text recursive transactions
133
sqlite::transaction_guard< sqlite::recursive_transaction > t1( db );
134
db.exec( "UPDATE pets SET age = 66" );
137
sqlite::transaction_guard< sqlite::recursive_transaction > t2( db );
138
db.exec( "UPDATE pets SET age = 1" );
141
sqlite::query( db, "SELECT age FROM pets ORDER BY age DESC LIMIT 1" )
142
.step() >> age; assert( age == 66 );
144
sqlite::query( db, "SELECT age FROM pets ORDER BY age DESC LIMIT 1" )
145
.step() >> age; assert( age == 123 );