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ITS#7594 better fix

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Update the subDB cursor, don't invalidate it
This commit is contained in:
Howard Chu 2013-06-05 15:23:54 -07:00
parent 65faa5ed7e
commit 3b623d66e1
1 changed files with 7 additions and 2 deletions
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9
libraries/liblmdb/mdb.c
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@ -1636,8 +1636,13 @@ finish:
if (m2 == mc || m2->mc_snum < mc->mc_snum) continue;
if (m2->mc_pg[mc->mc_top] == mc->mc_pg[mc->mc_top]) {
m2->mc_pg[mc->mc_top] = mp;
if (mc->mc_db->md_flags & MDB_DUPSORT)
m2->mc_xcursor->mx_cursor.mc_flags &= ~C_INITIALIZED;
if ((mc->mc_db->md_flags & MDB_DUPSORT) &&
m2->mc_ki[mc->mc_top] == mc->mc_ki[mc->mc_top]) {
MDB_node *leaf = NODEPTR(mp, mc->mc_ki[mc->mc_top]);
if (!(leaf->mn_flags & F_SUBDATA)) {
m2->mc_xcursor->mx_cursor.mc_pg[0] = NODEDATA(leaf);
}
}
}
}
}