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mdbx: add MDBX_ALLDUPS & MDBX_UPSERT, rework handling of others.

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Change-Id: I27d437540d883935d78242e4fc7e28951ab9f496
This commit is contained in:
Leonid Yuriev
2020-08-27 22:24:07 +03:00
parent aa7695c513
commit 04a77d3bf3
3 changed files with 177 additions and 105 deletions
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15
mdbx.h++
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@@ -1172,13 +1172,9 @@ struct LIBMDBX_API_TYPE map_handle {
};
enum put_mode {
insert = MDBX_NOOVERWRITE | MDBX_NODUPDATA,
#if defined(__cplusplus) && defined(_MSC_VER) && _MSC_VER < 1910
update = uint32_t(MDBX_CURRENT) | uint32_t(MDBX_NODUPDATA),
#else
update = MDBX_CURRENT | MDBX_NODUPDATA,
#endif
upsert = MDBX_NODUPDATA
insert = MDBX_NOOVERWRITE,
upsert = MDBX_UPSERT,
update = MDBX_CURRENT,
};
class LIBMDBX_API_TYPE env_ref {
@@ -2912,9 +2908,8 @@ inline void txn_ref::update(map_handle map, const slice &key,
inline bool txn_ref::try_update(map_handle map, const slice &key,
const slice &value) {
const int err =
::mdbx_put(handle_, map.dbi, &key, const_cast<slice *>(&value),
MDBX_CURRENT | MDBX_NODUPDATA);
const int err = ::mdbx_put(handle_, map.dbi, &key,
const_cast<slice *>(&value), MDBX_CURRENT);
switch (err) {
case MDBX_SUCCESS:
return true;