diff options
Diffstat (limited to 'lib/mysql_types.cpp')
| -rw-r--r-- | lib/mysql_types.cpp | 23 |
1 files changed, 11 insertions, 12 deletions
diff --git a/lib/mysql_types.cpp b/lib/mysql_types.cpp index 40614ef..ae1ee62 100644 --- a/lib/mysql_types.cpp +++ b/lib/mysql_types.cpp @@ -215,20 +215,19 @@ namespace MyGrate::MySQL { Type<MYSQL_TYPE_DATETIME2>::read(RawDataReader & md, RawDataReader & data) { md.discard(1); - union { - uint64_t i; - std::array<uint8_t, 5> b; - } r {}; - r.b = data.readValue<decltype(r.b)>(); - std::reverse(r.b.begin(), r.b.end()); + return datetime2From40bit(ntoh(data.readValue<uint64_t>(5))); + } + DateTime + datetime2From40bit(uint64_t dtint) + { DateTime dt; - dt.year = boost::numeric_cast<decltype(dt.year)>(bitslice<17>(r.i, 22) / 13); - dt.month = boost::numeric_cast<decltype(dt.month)>(bitslice<17>(r.i, 22) % 13); - dt.day = bitslice<5>(r.i, 17); - dt.hour = bitslice<5>(r.i, 12); - dt.minute = bitslice<6>(r.i, 6); - dt.second = bitslice<6>(r.i, 0); + dt.year = boost::numeric_cast<decltype(dt.year)>(bitslice<17>(dtint, 46) / 13); + dt.month = boost::numeric_cast<decltype(dt.month)>(bitslice<17>(dtint, 46) % 13); + dt.day = bitslice<5>(dtint, 41); + dt.hour = bitslice<5>(dtint, 36); + dt.minute = bitslice<6>(dtint, 30); + dt.second = bitslice<6>(dtint, 24); return dt; } } |