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mdbx-doc: import - mdb_cursor_del does not invalidate the cursor (ITS#8857).

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moneromooo-monero 2018-05-15 10:53:13 +01:00 committed by Leonid Yuriev
parent e1ce55d0e6
commit c5e72817ca
1 changed files with 4 additions and 0 deletions
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lmdb.h
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@ -1589,6 +1589,10 @@ int mdb_cursor_put(MDB_cursor *cursor, MDB_val *key, MDB_val *data,
/** @brief Delete current key/data pair /** @brief Delete current key/data pair
* *
* This function deletes the key/data pair to which the cursor refers. * This function deletes the key/data pair to which the cursor refers.
* This does not invalidate the cursor, so operations such as MDB_NEXT
* can still be used on it.
* Both MDB_NEXT and MDB_GET_CURRENT will return the same record after
* this operation.
* @param[in] cursor A cursor handle returned by #mdb_cursor_open() * @param[in] cursor A cursor handle returned by #mdb_cursor_open()
* @param[in] flags Options for this operation. This parameter * @param[in] flags Options for this operation. This parameter
* must be set to 0 or one of the values described here. * must be set to 0 or one of the values described here.