56
58
sqlite::command c7( db, "INSERT INTO pets VALUES( :foo, :bar )" );
57
59
c7.bind( ":foo", "foocat" ); c7.bind( ":bar", 22 ); c7.exec();
59
// test basic_statement binding via stream operator
61
// test command binding via stream operator
62
sqlite::command( db, "INSERT INTO pets VALUES( ?, ? )" ) <<
63
"tessa" << 16 << sqlite::exec;
60
64
sqlite::command c4( db, "INSERT INTO pets VALUES( ?, ? )" );
61
c4 << "tessa" << 16 << sqlite::exec;
62
sqlite::command c5( db, "INSERT INTO pets VALUES( ?, ? )" );
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c5 << sqlite::null << sqlite::null <<
64
sqlite::set_index( 1 ) << "tamara" << sqlite::exec;
65
c4 << sqlite::null << sqlite::null << sqlite::set_index( 1 ) <<
66
"tamara" << sqlite::exec;
67
assert( c4.changes() == 1 );
69
// test query binding via stream operator
70
sqlite::query( db, "SELECT * FROM pets WHERE name = ? OR age = ?" )
72
sqlite::query( db, "SELECT * FROM pets WHERE name = ? OR name = ? OR "
73
"name = ? OR name = ?" ) << "foo" << sqlite::null << sqlite::null
74
<< sqlite::set_index( 1 ) << "bar" << "baz";
66
76
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
69
79
sqlite::query q1( db, "SELECT age, age + 3, name "
70
80
"FROM pets WHERE NOT age IS NULL "
71
81
"ORDER BY age ASC" );
83
// test column count and names
72
84
assert( q1.column_count() == 3 );
85
assert( q1.column_name( 2 ) == "name" );
77
90
q1.step().column( 0, age ); assert( age == 12 );
78
q1.step().column( 2, name ); assert( name == "mopti" );
91
name = q1.step().column< std::string >( 2 ); assert( name == "mopti" );
80
93
// test row stream operator
81
94
sqlite::row r1 = q1.step();
91
104
// test NULL value handling
92
105
assert( row.column_type( 2 ) == SQLITE_NULL );
93
row.column( 2, age ); assert( age == 0 );
106
age = row.column< unsigned int >( 2 ); assert( age == 0 );
94
107
row.column( 2, name ); assert( name == "" );
96
109
// test end of results
97
110
assert( !q1.step() );
113
sqlite::query q3( db, "SELECT name FROM pets WHERE age = 16" );
114
assert( q3.num_results() == 2 );
116
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
118
// test query iterator
119
sqlite::query q2( db, "SELECT * FROM pets ORDER BY age DESC" );
120
sqlite::query::iterator i1 = q2.begin();
121
assert( i1 != q2.end() );
123
// test resetting iterators
124
unsigned int count = 0;
125
for( sqlite::query::iterator i = q2.begin(); i != q2.end(); i++ )
127
// test iterator dereferencing and row numbers
128
assert( count++ == i->row_number() );
129
if( i->row_number() == 3 )
130
assert( i->column< std::string >( 0 ) == "tessa" &&
131
i->column< unsigned int >( 1 ) == 16 );
134
// for( sqlite::query::iterator i = q2.begin(); i != q2.end(); i++ ) {
135
// for( unsigned int a = 0; a < q2.column_count(); a++ )
136
// std::cout << q2.column_name( a ) << "[" <<
137
// i->column< std::string >( a ) << "] ";
138
// std::cout << "\n";
141
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
145
sqlite::transaction_guard< sqlite::deferred_tranaction > t1( db );
148
sqlite::transaction_guard< sqlite::immediate_transaction > t1( db );
151
sqlite::transaction_guard< sqlite::exclusive_transaction > t1( db );
154
sqlite::transaction_guard< sqlite::recursive_transaction > t1( db );
155
sqlite::transaction_guard< sqlite::recursive_transaction > t2( db );
158
// test transaction guard rollback
160
sqlite::transaction_guard< > t1( db );
161
db.exec( "UPDATE pets SET age = 99" );
163
sqlite::query( db, "SELECT age FROM pets ORDER BY age DESC LIMIT 1" )
164
.step() >> age; assert( age == 123 );
166
// text recursive transactions
168
sqlite::transaction_guard< sqlite::recursive_transaction > t1( db );
169
db.exec( "UPDATE pets SET age = 66" );
172
sqlite::transaction_guard< sqlite::recursive_transaction > t2( db );
173
db.exec( "UPDATE pets SET age = 1" );
176
sqlite::query( db, "SELECT age FROM pets ORDER BY age DESC LIMIT 1" )
177
.step() >> age; assert( age == 66 );
179
sqlite::query( db, "SELECT age FROM pets ORDER BY age DESC LIMIT 1" )
180
.step() >> age; assert( age == 123 );