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mdbx: minor fix cursor_on_first/last for empty sub-db.

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Change-Id: I68c2e1bd28e62c9512bf8ef711fe21573e3450b9
This commit is contained in:
Leonid Yuriev
2020-11-12 05:36:49 +03:00
parent 4ea2bea22e
commit 21bbba82fb
1 changed files with 2 additions and 2 deletions
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4
src/core.c
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@@ -18615,7 +18615,7 @@ int mdbx_cursor_on_first(const MDBX_cursor *mc) {
: MDBX_EBADSIGN; : MDBX_EBADSIGN;
if (!(mc->mc_flags & C_INITIALIZED)) if (!(mc->mc_flags & C_INITIALIZED))
return MDBX_RESULT_FALSE; return mc->mc_db->md_entries ? MDBX_RESULT_FALSE : MDBX_RESULT_TRUE;
for (unsigned i = 0; i < mc->mc_snum; ++i) { for (unsigned i = 0; i < mc->mc_snum; ++i) {
if (mc->mc_ki[i]) if (mc->mc_ki[i])
@@ -18634,7 +18634,7 @@ int mdbx_cursor_on_last(const MDBX_cursor *mc) {
: MDBX_EBADSIGN; : MDBX_EBADSIGN;
if (!(mc->mc_flags & C_INITIALIZED)) if (!(mc->mc_flags & C_INITIALIZED))
return MDBX_RESULT_FALSE; return mc->mc_db->md_entries ? MDBX_RESULT_FALSE : MDBX_RESULT_TRUE;
for (unsigned i = 0; i < mc->mc_snum; ++i) { for (unsigned i = 0; i < mc->mc_snum; ++i) {
unsigned nkeys = page_numkeys(mc->mc_pg[i]); unsigned nkeys = page_numkeys(mc->mc_pg[i]);