bool MySQLStmtVariables::bind_params(MYSQL_STMT *stmt) {
m_value_arr.clear();
for (int i = 0; i < m_arr.size(); i++) {
MYSQL_BIND *b = &m_vars[i];
auto const var = m_arr.lvalAt(i).unboxed();
Variant v;
if (isNullType(var.type())) {
*b->is_null = 1;
} else {
switch (b->buffer_type) {
case MYSQL_TYPE_LONGLONG:
{
m_value_arr.push_back(cellToInt(var.tv()));
b->buffer = m_value_arr.back().getInt64Data();
}
break;
case MYSQL_TYPE_DOUBLE:
{
m_value_arr.push_back(tvCastToDouble(var.tv()));
b->buffer = m_value_arr.back().getDoubleData();
}
break;
case MYSQL_TYPE_STRING:
{
m_value_arr.push_back(tvCastToString(var.tv()));
StringData *sd = m_value_arr.back().getStringData();
b->buffer = (void *)sd->data();
// FIXME: setting buffer_length will cause the destructor to free
// memory owned by the string
*b->length = sd->size();
}
break;
case MYSQL_TYPE_LONG_BLOB:
// The value are set using send_long_data so we don't have to do
// anything here
break;
default:
assertx(false);
}
}
}
return !mysql_stmt_bind_param(stmt, m_vars);
}
Type typeToInt(Type ty) {
if (auto const v = tv(ty)) return ival(cellToInt(*v));
if (ty.subtypeOf(TNull)) return ival(0);
return TInt;
}
