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arangodb
mirror of https://gitee.com/bigwinds/arangodb
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Merge branch 'engine-api' of https://github.com/arangodb/arangodb into engine-api

This commit is contained in:
Simon Grätzer 2017-03-30 14:46:25 +02:00
parent e246a8d8cb 423feffb90
commit ed124e09ab
1 changed files with 6 additions and 24 deletions
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30
arangod/RocksDBEngine/RocksDBKey.cpp
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@ -241,11 +241,11 @@ RocksDBKey::RocksDBKey(RocksDBEntryType type, uint64_t first,
case RocksDBEntryType::IndexValue: {
// Non-unique VPack index values are stored as follows:
// - Key: 6 + 8-byte object ID of index + VPack array with index value(s)
// + separator byte + primary key
// + separator byte + primary key + primary key length
// - Value: empty
size_t length = sizeof(char) + sizeof(uint64_t) +
static_cast<size_t>(indexData.byteSize()) + sizeof(char) +
docKey.length();
docKey.length() + sizeof(char);
_buffer.reserve(length);
_buffer.push_back(static_cast<char>(_type));
uint64ToPersistent(_buffer, first);
@ -253,6 +253,7 @@ RocksDBKey::RocksDBKey(RocksDBEntryType type, uint64_t first,
static_cast<size_t>(indexData.byteSize()));
_buffer.push_back(_stringSeparator);
_buffer.append(docKey.data(), docKey.length());
_buffer.push_back(static_cast<char>(docKey.length() & 0xff));
break;
}
@ -283,7 +284,7 @@ RocksDBKey::RocksDBKey(RocksDBEntryType type, uint64_t first,
std::string const& second, std::string const& third)
: _type(type), _buffer() {
switch (_type) {
case RocksDBEntryType::PrimaryIndexValue: {
case RocksDBEntryType::EdgeIndexValue: {
size_t length = sizeof(char) + sizeof(uint64_t) + second.size() +
sizeof(char) + third.size() + sizeof(uint8_t);
_buffer.reserve(length);
@ -297,18 +298,6 @@ RocksDBKey::RocksDBKey(RocksDBEntryType type, uint64_t first,
break;
}
case RocksDBEntryType::EdgeIndexValue: {
size_t length = sizeof(char) + sizeof(uint64_t) + second.size() +
sizeof(char) + third.size();
_buffer.reserve(length);
_buffer.push_back(static_cast<char>(_type));
uint64ToPersistent(_buffer, first);
_buffer.append(second);
_buffer.push_back(_stringSeparator);
_buffer.append(third);
break;
}
default:
THROW_ARANGO_EXCEPTION(TRI_ERROR_BAD_PARAMETER);
}
@ -410,20 +399,13 @@ arangodb::StringRef RocksDBKey::primaryKey(char const* data, size_t size) {
return arangodb::StringRef(data + sizeof(char) + sizeof(uint64_t),
keySize);
}
case RocksDBEntryType::EdgeIndexValue: {
case RocksDBEntryType::EdgeIndexValue:
case RocksDBEntryType::IndexValue: {
TRI_ASSERT(size > (sizeof(char) + sizeof(uint64_t) + sizeof(uint8_t)));
size_t keySize = static_cast<size_t>(data[size - 1]);
return arangodb::StringRef(data + (size - (keySize + sizeof(uint8_t))),
keySize);
}
case RocksDBEntryType::IndexValue: {
TRI_ASSERT(size > (sizeof(char) + sizeof(uint64_t)));
VPackSlice slice(data + sizeof(char) + sizeof(uint64_t));
size_t sliceSize = static_cast<size_t>(slice.byteSize());
size_t keySize =
size - (sizeof(char) + sizeof(uint64_t) + sliceSize + sizeof(char));
return arangodb::StringRef(data + (size - keySize), keySize);
}
default:
THROW_ARANGO_EXCEPTION(TRI_ERROR_TYPE_ERROR);