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mdbx-doc: clarify mdbx_del() and mdbx_cursor_del() description.

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Related to https://github.com/erthink/libmdbx/issues/109.

Change-Id: I810597f8a1217db3a16cc7c3de3822218ab7d055
This commit is contained in:
Leonid Yuriev 2020-06-04 12:59:05 +03:00
parent 97b4679ca8
commit 44be200e28
1 changed files with 4 additions and 3 deletions
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7
mdbx.h
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@ -2973,7 +2973,8 @@ LIBMDBX_API int mdbx_replace(MDBX_txn *txn, MDBX_dbi dbi, const MDBX_val *key,
* *
* NOTE: The data parameter is NOT ignored regardless the database does * NOTE: The data parameter is NOT ignored regardless the database does
* support sorted duplicate data items or not. If the data parameter * support sorted duplicate data items or not. If the data parameter
* is non-NULL only the matching data item will be deleted. * is non-NULL only the matching data item will be deleted. Otherwise, if data
* parameter is NULL, any/all value(s) for specified key will be deleted.
* *
* This function will return MDBX_NOTFOUND if the specified key/data * This function will return MDBX_NOTFOUND if the specified key/data
* pair is not in the database. * pair is not in the database.
@ -3160,8 +3161,8 @@ LIBMDBX_API int mdbx_cursor_put(MDBX_cursor *cursor, const MDBX_val *key,
* or one of the values described here. * or one of the values described here.
* *
* - MDBX_NODUPDATA * - MDBX_NODUPDATA
* Delete all of the data items for the current key. This flag may only * Delete all of the data items for the current key. This flag has effect
* be specified if the database was opened with MDBX_DUPSORT. * only for database(s) was created with MDBX_DUPSORT.
* *
* Returns A non-zero error value on failure and 0 on success, some * Returns A non-zero error value on failure and 0 on success, some
* possible errors are: * possible errors are: