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mdbx: rework MDB_CURRENT handling for libfpta.

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This commit is contained in:
Leo Yuriev 2016-12-15 21:56:45 +03:00
parent b4dc91d276
commit 2956095c6d
1 changed files with 8 additions and 7 deletions
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15
mdb.c
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@ -6185,7 +6185,6 @@ set1:
rc = 0;
}
*data = olddata;
} else {
if (mc->mc_xcursor)
mc->mc_xcursor->mx_cursor.mc_flags &= ~(C_INITIALIZED|C_EOF);
@ -6587,7 +6586,7 @@ mdb_cursor_put(MDB_cursor *mc, MDB_val *key, MDB_val *data,
dkey.mv_size = 0;
if (flags == MDB_CURRENT) {
if (flags & MDB_CURRENT) {
if (unlikely(!(mc->mc_flags & C_INITIALIZED)))
return EINVAL;
rc = MDB_SUCCESS;
@ -6778,6 +6777,7 @@ more:
break;
}
/* FALLTHRU: Big enough MDB_DUPFIXED sub-page */
case MDB_CURRENT | MDB_NODUPDATA:
case MDB_CURRENT:
fp->mp_flags |= P_DIRTY;
COPY_PGNO(fp->mp_pgno, mp->mp_pgno);
@ -6975,12 +6975,15 @@ put_sub:
xdata.mv_size = 0;
xdata.mv_data = "";
leaf = NODEPTR(mc->mc_pg[mc->mc_top], mc->mc_ki[mc->mc_top]);
xflags = MDB_NOSPILL;
if (flags & MDB_NODUPDATA)
xflags |= MDB_NOOVERWRITE;
if (flags & MDB_APPENDDUP)
xflags |= MDB_APPEND;
if (flags & MDB_CURRENT) {
xflags = MDB_CURRENT|MDB_NOSPILL;
xflags |= MDB_CURRENT;
} else {
mdb_xcursor_init1(mc, leaf);
xflags = (flags & MDB_NODUPDATA) ?
MDB_NOOVERWRITE|MDB_NOSPILL : MDB_NOSPILL;
}
if (sub_root)
mc->mc_xcursor->mx_cursor.mc_pg[0] = sub_root;
@ -7014,8 +7017,6 @@ put_sub:
}
}
ecount = mc->mc_xcursor->mx_db.md_entries;
if (flags & MDB_APPENDDUP)
xflags |= MDB_APPEND;
rc = mdb_cursor_put(&mc->mc_xcursor->mx_cursor, data, &xdata, xflags);
if (flags & F_SUBDATA) {
void *db = NODEDATA(leaf);