upstream/openldap
1
0
Fork 0
mirror of https://git.openldap.org/openldap/openldap.git synced 2025-12-20 22:59:34 -05:00
Code Issues Projects Releases Packages Wiki Activity Actions

ITS#8299 fix page_merge cursor fixup

Browse source 
The parent's mc_ki has changed. We need to fix that up as well
in other cursors.
This commit is contained in:
Howard Chu 2015-11-04 17:03:48 +00:00
parent caca4d8be6
commit c62b77b661
1 changed files with 5 additions and 3 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

8
libraries/liblmdb/mdb.c
View file

@ -7794,6 +7794,7 @@ mdb_page_merge(MDB_cursor *csrc, MDB_cursor *cdst)
/* Adjust other cursors pointing to mp */ /* Adjust other cursors pointing to mp */
MDB_cursor *m2, *m3; MDB_cursor *m2, *m3;
MDB_dbi dbi = csrc->mc_dbi; MDB_dbi dbi = csrc->mc_dbi;
unsigned int top = csrc->mc_top;
for (m2 = csrc->mc_txn->mt_cursors[dbi]; m2; m2=m2->mc_next) { for (m2 = csrc->mc_txn->mt_cursors[dbi]; m2; m2=m2->mc_next) {
if (csrc->mc_flags & C_SUB) if (csrc->mc_flags & C_SUB)
@ -7802,9 +7803,10 @@ mdb_page_merge(MDB_cursor *csrc, MDB_cursor *cdst)
m3 = m2; m3 = m2;
if (m3 == csrc) continue; if (m3 == csrc) continue;
if (m3->mc_snum < csrc->mc_snum) continue; if (m3->mc_snum < csrc->mc_snum) continue;
if (m3->mc_pg[csrc->mc_top] == psrc) { if (m3->mc_pg[top] == psrc) {
m3->mc_pg[csrc->mc_top] = pdst; m3->mc_pg[top] = pdst;
m3->mc_ki[csrc->mc_top] += nkeys; m3->mc_ki[top] += nkeys;
m3->mc_ki[top-1] = cdst->mc_ki[top-1];
} }
} }
} }