int ob_cast_rowkey(const ObRowkeyInfo &rowkey_info, ObRowkey &rowkey,
char* buf, int64_t buf_size, int64_t &used_buf_len)
{
int ret = OB_SUCCESS;
used_buf_len = 0;
if (OB_UNLIKELY(rowkey_info.get_size() != rowkey.get_obj_cnt()))
{
TBSYS_LOG(ERROR, "wrong rowkey length, rowkey_info_len=%ld rowkey_len=%ld",
rowkey_info.get_size(), rowkey.get_obj_cnt());
ret = OB_ERR_UNEXPECTED;
}
else
{
int64_t used_len = 0;
for (int64_t i = 0; i < rowkey.get_obj_cnt(); ++i)
{
ObObj &cell = const_cast<ObObj&>(rowkey.get_obj_ptr()[i]);
ObObjType to_type = rowkey_info.get_column(i)->type_;
if (OB_SUCCESS != (ret = obj_cast(cell, to_type, buf+used_buf_len, buf_size-used_buf_len, used_len)))
{
TBSYS_LOG(WARN, "failed to cast obj, i=%ld", i);
break;
}
else
{
used_buf_len += used_len;
}
} // end for
}
return ret;
}
int obj_cast(ObObj &cell, const ObObjType expected_type, string &cast_buffer)
{
int64_t used_buf_len = 0;
return obj_cast(cell, expected_type, (char*) cast_buffer.data(), cast_buffer.length(), used_buf_len);
}
