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mdbx: backport - Cleanup C_DEL flag usage.
Only set it if the cursor's current position was deleted Change-Id: I4c4c2fa157b73042419cb7b7e39e280a1eca155a
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parent
2a6bfa56f0
commit
d0a0b096ee
11
mdb.c
11
mdb.c
@ -6218,8 +6218,6 @@ mdb_cursor_get(MDB_cursor *mc, MDB_val *key, MDB_val *data,
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MDB_GET_KEY(leaf, key);
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if (data) {
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if (F_ISSET(leaf->mn_flags, F_DUPDATA)) {
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if (mc->mc_flags & C_DEL)
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mdb_xcursor_init1(mc, leaf);
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rc = mdb_cursor_get(&mc->mc_xcursor->mx_cursor, data, NULL, MDB_GET_CURRENT);
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} else {
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rc = mdb_node_read(mc->mc_txn, leaf, data);
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@ -7005,7 +7003,6 @@ mdb_cursor_del(MDB_cursor *mc, unsigned flags)
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}
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}
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mc->mc_db->md_entries--;
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mc->mc_flags |= C_DEL;
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return rc;
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} else {
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mc->mc_xcursor->mx_cursor.mc_flags &= ~C_INITIALIZED;
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@ -8349,12 +8346,12 @@ mdb_cursor_del0(MDB_cursor *mc)
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if (m3 == mc || m3->mc_snum < mc->mc_snum)
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continue;
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if (m3->mc_pg[mc->mc_top] == mp) {
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if (m3->mc_ki[mc->mc_top] >= ki) {
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if (m3->mc_ki[mc->mc_top] == ki) {
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m3->mc_flags |= C_DEL;
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if (m3->mc_ki[mc->mc_top] > ki)
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m3->mc_ki[mc->mc_top]--;
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else if (mc->mc_db->md_flags & MDB_DUPSORT)
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if (mc->mc_db->md_flags & MDB_DUPSORT)
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m3->mc_xcursor->mx_cursor.mc_flags &= ~C_INITIALIZED;
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} else if (m3->mc_ki[mc->mc_top] > ki) {
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m3->mc_ki[mc->mc_top]--;
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}
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if (m3->mc_xcursor && (m3->mc_xcursor->mx_cursor.mc_flags & C_INITIALIZED)) {
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MDB_node *node = NODEPTR(m3->mc_pg[mc->mc_top], m3->mc_ki[mc->mc_top]);
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