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mdbx: separate and describe MDBX_DB_ACCEDE.

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Change-Id: I1a846d196eb00138c1c5ec453537757b1df78d31
This commit is contained in:
Leonid Yuriev 2020-08-03 22:57:52 +03:00
parent b3dde2bafc
commit 3bcf808005
2 changed files with 14 additions and 2 deletions
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14
mdbx.h
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@ -1063,7 +1063,19 @@ enum MDBX_db_flags_t {
MDBX_REVERSEDUP = UINT32_C(0x40),
/** Create DB if not already existing */
MDBX_CREATE = UINT32_C(0x40000)
MDBX_CREATE = UINT32_C(0x40000),
/** Opens an existing sub-database created with unknown flags.
*
* The `MDBX_DB_ACCEDE` flag is intend to open a existing sub-database which
* was created with unknown flags (\ref MDBX_REVERSEKEY, \ref MDBX_DUPSORT,
* \ref MDBX_INTEGERKEY, \ref MDBX_DUPFIXED, \ref MDBX_INTEGERDUP and
* \ref MDBX_REVERSEDUP).
*
* In such cases, instead of returning the \ref MDBX_INCOMPATIBLE error, the
* sub-database will be opened with flags which it was created, and then an
* application could determine the actual flags by \ref mdbx_dbi_flags(). */
MDBX_DB_ACCEDE = MDBX_ACCEDE
};
#ifndef __cplusplus
/** \ingroup c_dbi */

2
src/mdbx_chk.c
View File

@ -575,7 +575,7 @@ static int process_db(MDBX_dbi dbi_handle, char *dbi_name, visitor *handler,
if (dbi_handle == ~0u) {
rc = mdbx_dbi_open_ex(
txn, dbi_name, MDBX_ACCEDE, &dbi_handle,
txn, dbi_name, MDBX_DB_ACCEDE, &dbi_handle,
(dbi_name && ignore_wrong_order) ? equal_or_greater : nullptr,
(dbi_name && ignore_wrong_order) ? equal_or_greater : nullptr);
if (rc) {