Hawkin
/
arangodb
mirror of https://gitee.com/bigwinds/arangodb
1
0
Fork 0
Code Issues Projects Releases Wiki Activity

added convenience functions

This commit is contained in:
Jan Steemann 2015-11-24 13:25:18 +01:00
parent e26c306cfb
commit 442a5f25c6
1 changed files with 62 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

64
arangod/VocBase/DocumentAccessor.h
View File

@ -125,7 +125,7 @@ class DocumentAccessor {
};
////////////////////////////////////////////////////////////////////////////////
/// @brief extracts the pointer to the key from a marker
/// @brief extracts the key from a marker
////////////////////////////////////////////////////////////////////////////////
static inline std::string TRI_EXTRACT_MARKER_KEY (triagens::arango::Transaction* trx,
@ -145,7 +145,7 @@ static inline std::string TRI_EXTRACT_MARKER_KEY (triagens::arango::Transaction*
}
////////////////////////////////////////////////////////////////////////////////
/// @brief extracts the pointer to the key from a marker
/// @brief extracts the key from a marker
////////////////////////////////////////////////////////////////////////////////
static inline std::string TRI_EXTRACT_MARKER_KEY (triagens::arango::Transaction* trx,
@ -183,6 +183,66 @@ static inline TRI_voc_rid_t TRI_EXTRACT_MARKER_RID (triagens::arango::Transactio
return TRI_EXTRACT_MARKER_RID(trx, static_cast<TRI_df_marker_t const*>(mptr->getDataPtr()));
}
////////////////////////////////////////////////////////////////////////////////
/// @brief compares the key from a master pointer to the given key
////////////////////////////////////////////////////////////////////////////////
static inline bool TRI_MATCHES_MARKER_KEY (triagens::arango::Transaction* trx,
TRI_doc_mptr_t const* mptr,
char const* key) {
auto marker = static_cast<TRI_df_marker_t const*>(mptr->getDataPtr());
if (marker->_type == TRI_WAL_MARKER_VPACK_DOCUMENT) {
auto b = reinterpret_cast<char const*>(marker) + sizeof(triagens::wal::vpack_document_marker_t);
VPackSlice slice(reinterpret_cast<uint8_t const*>(b), trx->vpackOptions());
VPackValueLength len;
char const* p = slice.get(TRI_VOC_ATTRIBUTE_KEY).getString(len);
if (len != strlen(key)) {
return false;
}
return (memcmp(p, key, len) == 0);
}
#ifdef TRI_ENABLE_MAINTAINER_MODE
// invalid marker type
TRI_ASSERT(false);
#endif
return false;
}
////////////////////////////////////////////////////////////////////////////////
/// @brief compares the key from a master pointer to the given key
////////////////////////////////////////////////////////////////////////////////
static inline bool TRI_MATCHES_MARKER_KEY (triagens::arango::Transaction* trx,
TRI_doc_mptr_t const* left,
TRI_doc_mptr_t const* right) {
auto lm = static_cast<TRI_df_marker_t const*>(left->getDataPtr());
auto rm = static_cast<TRI_df_marker_t const*>(right->getDataPtr());
if (lm->_type == TRI_WAL_MARKER_VPACK_DOCUMENT && rm->_type == TRI_WAL_MARKER_VPACK_DOCUMENT) {
auto lb = reinterpret_cast<char const*>(lm) + sizeof(triagens::wal::vpack_document_marker_t);
VPackSlice ls(reinterpret_cast<uint8_t const*>(lb), trx->vpackOptions());
VPackValueLength llen;
char const* p = ls.get(TRI_VOC_ATTRIBUTE_KEY).getString(llen);
auto rb = reinterpret_cast<char const*>(rm) + sizeof(triagens::wal::vpack_document_marker_t);
VPackSlice rs(reinterpret_cast<uint8_t const*>(rb), trx->vpackOptions());
VPackValueLength rlen;
char const* q = rs.get(TRI_VOC_ATTRIBUTE_KEY).getString(rlen);
if (llen != rlen) {
return false;
}
return (memcmp(p, q, llen) == 0);
}
#ifdef TRI_ENABLE_MAINTAINER_MODE
// invalid marker type
TRI_ASSERT(false);
#endif
return false;
}
#endif