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mdbx: add mdbx_outer_db().

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This commit is contained in:
Leo Yuriev 2018-08-30 16:43:26 +03:00
parent 02f3230e0c
commit 5c06a4c917
1 changed files with 9 additions and 0 deletions
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9
src/mdbx.c
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@ -1481,6 +1481,15 @@ static void __cold mdbx_kill_page(MDBX_env *env, pgno_t pgno) {
}
}
static __inline MDBX_db *mdbx_outer_db(MDBX_cursor *mc) {
mdbx_cassert(mc, (mc->mc_flags & C_SUB) != 0);
MDBX_xcursor *mx = container_of(mc->mc_db, MDBX_xcursor, mx_db);
MDBX_cursor_couple *couple = container_of(mx, MDBX_cursor_couple, inner);
mdbx_cassert(mc, mc->mc_db == &couple->outer.mc_xcursor->mx_db);
mdbx_cassert(mc, mc->mc_dbx == &couple->outer.mc_xcursor->mx_dbx);
return couple->outer.mc_db;
}
static int mdbx_page_befree(MDBX_cursor *mc, MDBX_page *mp) {
MDBX_txn *txn = mc->mc_txn;