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ITS#7722 fix page_merge for collapsing root

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Other cursors being fixed up are not necessarily height 1.
This commit is contained in:
Howard Chu 2013-10-09 02:24:45 -07:00
parent bf0e97aa0e
commit 940f5cb373
1 changed files with 7 additions and 4 deletions
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11
libraries/liblmdb/mdb.c
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@ -7161,10 +7161,13 @@ mdb_rebalance(MDB_cursor *mc)
m3 = m2;
if (m3 == mc || m3->mc_snum < mc->mc_snum) continue;
if (m3->mc_pg[0] == mp) {
m3->mc_pg[0] = mc->mc_pg[0];
m3->mc_snum = 1;
m3->mc_top = 0;
m3->mc_ki[0] = m3->mc_ki[1];
int i;
m3->mc_snum--;
m3->mc_top--;
for (i=0; i<m3->mc_snum; i++) {
m3->mc_pg[i] = m3->mc_pg[i+1];
m3->mc_ki[i] = m3->mc_ki[i+1];
}
}
}
}