public void test_column_origin()
{
using (sqlite3 db = ugly.open(":memory:"))
{
db.exec("CREATE TABLE foo (x int, v int, t text, d real, b blob, q blob);");
byte[] blob = db.query_scalar <byte[]>("SELECT randomblob(5);");
db.exec("INSERT INTO foo (x,v,t,d,b,q) VALUES (?,?,?,?,?,?)", 32, 44, "hello", 3.14, blob, null);
#if not
// maybe we should just let this fail so we can
// see the differences between running against the built-in
// sqlite vs a recent version?
if (1 == raw.sqlite3_compileoption_used("ENABLE_COLUMN_METADATA"))
#endif
{
using (sqlite3_stmt stmt = db.prepare("SELECT x AS mario FROM foo;"))
{
stmt.step();
Assert.IsTrue(stmt.stmt_readonly() != 0);
Assert.AreEqual(stmt.column_database_name(0), "main");
Assert.AreEqual(stmt.column_table_name(0), "foo");
Assert.AreEqual(stmt.column_origin_name(0), "x");
Assert.AreEqual(stmt.column_name(0), "mario");
Assert.AreEqual(stmt.column_decltype(0), "int");
}
}
}
}
public static T row <T>(this sqlite3_stmt stmt) where T : new()
{
Type typ = typeof(T);
var obj = new T();
for (int i = 0; i < stmt.column_count(); i++)
{
string colname = stmt.column_name(i);
#if OLD_REFLECTION
var prop = typ.GetProperty(colname);
#else
var prop = typ.GetTypeInfo().GetDeclaredProperty(colname);
#endif
if (
(null != prop) &&
prop.CanWrite
)
{
prop.SetValue(obj, stmt.column(i, prop.PropertyType), null);
}
else
{
throw new NotSupportedException("property not found");
}
}
return(obj);
}
public void test_row()
{
using (sqlite3 db = ugly.open(":memory:"))
{
db.exec("CREATE TABLE foo (x int, v int, t text, d real, b blob, q blob);");
byte[] blob = db.query_scalar <byte[]>("SELECT randomblob(5);");
db.exec("INSERT INTO foo (x,v,t,d,b,q) VALUES (?,?,?,?,?,?)", 32, 44, "hello", 3.14, blob, null);
foreach (row r in db.query <row>("SELECT x,v,t,d,b,q FROM foo;"))
{
Assert.AreEqual(r.x, 32);
Assert.AreEqual(r.v, 44);
Assert.AreEqual(r.t, "hello");
Assert.AreEqual(r.d, 3.14);
Assert.AreEqual(r.b.Length, blob.Length);
for (int i = 0; i < blob.Length; i++)
{
Assert.AreEqual(r.b[i], blob[i]);
}
Assert.AreEqual(r.q, null);
}
using (sqlite3_stmt stmt = db.prepare("SELECT x,v,t,d,b,q FROM foo;"))
{
stmt.step();
Assert.AreEqual(stmt.db_handle(), db);
Assert.AreEqual(stmt.column_int(0), 32);
Assert.AreEqual(stmt.column_int64(1), 44);
Assert.AreEqual(stmt.column_text(2), "hello");
Assert.AreEqual(stmt.column_double(3), 3.14);
Assert.AreEqual(stmt.column_bytes(4), blob.Length);
byte[] b2 = stmt.column_blob(4);
Assert.AreEqual(b2.Length, blob.Length);
for (int i = 0; i < blob.Length; i++)
{
Assert.AreEqual(b2[i], blob[i]);
}
Assert.AreEqual(stmt.column_type(5), raw.SQLITE_NULL);
Assert.AreEqual(stmt.column_name(0), "x");
Assert.AreEqual(stmt.column_name(1), "v");
Assert.AreEqual(stmt.column_name(2), "t");
Assert.AreEqual(stmt.column_name(3), "d");
Assert.AreEqual(stmt.column_name(4), "b");
Assert.AreEqual(stmt.column_name(5), "q");
}
}
}