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ITS#9376 simplify

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This commit is contained in:
Howard Chu 2021-03-14 14:25:55 +00:00
parent 56609fb5a6
commit f8891d510b
1 changed files with 10 additions and 12 deletions
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22
libraries/liblmdb/mdb.c
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@ -8481,7 +8481,6 @@ mdb_cursor_del0(MDB_cursor *mc)
return rc;
}
ki = mc->mc_ki[mc->mc_top];
mp = mc->mc_pg[mc->mc_top];
nkeys = NUMKEYS(mp);
@ -8493,19 +8492,18 @@ mdb_cursor_del0(MDB_cursor *mc)
if (m3->mc_snum < mc->mc_snum)
continue;
if (m3->mc_pg[mc->mc_top] == mp) {
if (m3->mc_ki[mc->mc_top] >= mc->mc_ki[mc->mc_top]) {
/* if m3 points past last node in page, find next sibling */
if (m3->mc_ki[mc->mc_top] >= nkeys) {
rc = mdb_cursor_sibling(m3, 1);
if (rc == MDB_NOTFOUND) {
m3->mc_flags |= C_EOF;
rc = MDB_SUCCESS;
continue;
if (m3->mc_ki[mc->mc_top] >= nkeys) {
rc = mdb_cursor_sibling(m3, 1);
if (rc == MDB_NOTFOUND) {
m3->mc_flags |= C_EOF;
rc = MDB_SUCCESS;
continue;
}
if (rc)
goto fail;
}
if (rc)
goto fail;
}
if (m3->mc_ki[mc->mc_top] >= ki ||
/* moved to right sibling */ m3->mc_pg[mc->mc_top] != mp) {
if (m3->mc_xcursor && !(m3->mc_flags & C_EOF)) {
MDB_node *node = NODEPTR(m3->mc_pg[m3->mc_top], m3->mc_ki[m3->mc_top]);
/* If this node has dupdata, it may need to be reinited