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mdbx: minor refine cursor_set_ex().

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Change-Id: I0951a917c1e4c9e372f29c64fda0e1b267f48cdd
This commit is contained in:
Leonid Yuriev 2021-04-17 22:36:46 +03:00
parent dc7098b3fb
commit e4db019f47
1 changed files with 20 additions and 17 deletions
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37
src/core.c
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@ -13504,24 +13504,27 @@ static int mdbx_cursor_set_ex(MDBX_cursor *mc, MDBX_val *key, MDBX_val *data,
set2:
node = mdbx_node_search(mc, &aligned_key, exactp);
if (!*exactp && op != MDBX_SET_RANGE) {
/* MDBX_SET specified and not an exact match. */
if (unlikely(mc->mc_ki[mc->mc_top] >= page_numkeys(mc->mc_pg[mc->mc_top])))
mc->mc_flags |= C_EOF;
return MDBX_NOTFOUND;
}
if (node == NULL) {
mdbx_debug("%s", "===> inexact leaf not found, goto sibling");
if (unlikely((rc = mdbx_cursor_sibling(mc, SIBLING_RIGHT)) !=
MDBX_SUCCESS)) {
mc->mc_flags |= C_EOF;
return rc; /* no entries matched */
if (!*exactp) {
if (op != MDBX_SET_RANGE) {
/* MDBX_SET specified and not an exact match. */
if (unlikely(mc->mc_ki[mc->mc_top] >=
page_numkeys(mc->mc_pg[mc->mc_top])))
mc->mc_flags |= C_EOF;
return MDBX_NOTFOUND;
}
if (node == NULL) {
mdbx_debug("%s", "===> inexact leaf not found, goto sibling");
if (unlikely((rc = mdbx_cursor_sibling(mc, SIBLING_RIGHT)) !=
MDBX_SUCCESS)) {
mc->mc_flags |= C_EOF;
return rc; /* no entries matched */
}
mp = mc->mc_pg[mc->mc_top];
mdbx_cassert(mc, IS_LEAF(mp));
if (!IS_LEAF2(mp))
node = page_node(mp, 0);
}
mp = mc->mc_pg[mc->mc_top];
mdbx_cassert(mc, IS_LEAF(mp));
if (!IS_LEAF2(mp))
node = page_node(mp, 0);
}
mdbx_cassert(mc,
mc->mc_ki[mc->mc_top] < page_numkeys(mc->mc_pg[mc->mc_top]) ||