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Don't use Append mode when splits are caused by sub-page inserts

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Sub-pages need room to grow...
vmware
Howard Chu 13 years ago
parent ea0d07ffa3
commit 934a19553c
1 changed files with 2 additions and 0 deletions
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
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  1. 2
      libraries/libmdb/mdb.c

2
libraries/libmdb/mdb.c
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@ -4082,6 +4082,8 @@ new_sub:
nflags = flags & NODE_ADD_FLAGS; nflags = flags & NODE_ADD_FLAGS;
nsize = IS_LEAF2(mc->mc_pg[mc->mc_top]) ? key->mv_size : mdb_leaf_size(mc->mc_txn->mt_env, key, rdata); nsize = IS_LEAF2(mc->mc_pg[mc->mc_top]) ? key->mv_size : mdb_leaf_size(mc->mc_txn->mt_env, key, rdata);
if (SIZELEFT(mc->mc_pg[mc->mc_top]) < nsize) { if (SIZELEFT(mc->mc_pg[mc->mc_top]) < nsize) {
if (( flags & (F_DUPDATA|F_SUBDATA)) == F_DUPDATA )
nflags &= ~MDB_APPEND;
rc = mdb_page_split(mc, key, rdata, P_INVALID, nflags); rc = mdb_page_split(mc, key, rdata, P_INVALID, nflags);
} else { } else {
/* There is room already in this leaf page. */ /* There is room already in this leaf page. */

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