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mdbx: add MDBX_SET_LOWERBOUND for mdbx_cursor_get().

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Change-Id: I3638fdd10be8dfe128c43b465e9ca71f89175b3e
This commit is contained in:
Leonid Yuriev
2020-11-17 08:01:08 +03:00
parent 9ea6922a2f
commit 5e02e7fb56
2 changed files with 41 additions and 1 deletions
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15
mdbx.h
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@@ -1505,7 +1505,20 @@ enum MDBX_cursor_op {
/** \ref MDBX_DUPFIXED -only: Position at previous page and return up to
* a page of duplicate data items. */
MDBX_PREV_MULTIPLE
MDBX_PREV_MULTIPLE,
/** Position at first key-value pair greater than or equal to specified,
* return both key and data, and the return code depends on a exact match.
*
* For non DUPSORT-ed collections this work the same to \ref MDBX_SET_RANGE,
* but returns \ref MDBX_SUCCESS if key found exactly and
* \ref MDBX_RESULT_TRUE if greater key was found.
*
* For DUPSORT-ed a data value is taken into account for duplicates,
* i.e. for a pairs/tuples of a key and an each data value of duplicates.
* Returns \ref MDBX_SUCCESS if key-value pair found exactly and
* \ref MDBX_RESULT_TRUE if the next pair was returned. */
MDBX_SET_LOWERBOUND
};
#ifndef __cplusplus
/** \ingroup c_cursors */