From 065aef35eac679e7e95b7485b4597166294317f2 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=D0=9B=D0=B5=D0=BE=D0=BD=D0=B8=D0=B4=20=D0=AE=D1=80=D1=8C?=
=?UTF-8?q?=D0=B5=D0=B2=20=28Leonid=20Yuriev=29?= <leo@yuriev.ru>
Date: Thu, 20 Mar 2025 01:55:10 +0300
Subject: [PATCH] =?UTF-8?q?mdbx++:=20=D0=B4=D0=BE=D0=B1=D0=B0=D0=B2=D0=BB?=
=?UTF-8?q?=D0=B5=D0=BD=D0=B8=D0=B5=20`mdbx::cursor::put=5Fmultiple=5Fsame?=
=?UTF-8?q?length()`=20(backport).?=
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---
mdbx.h++ | 38 ++++++++++++++++++++++++++++++++++++--
1 file changed, 36 insertions(+), 2 deletions(-)
diff --git a/mdbx.h++ b/mdbx.h++
index 6426f3fa..ff4d0dba 100644
--- a/mdbx.h++
+++ b/mdbx.h++
@@ -4100,8 +4100,9 @@ public:
return append(map, kv.key, kv.value, multivalue_order_preserved);
}
- size_t put_multiple_samelength(map_handle map, const slice &key, const size_t value_length, const void *values_array,
- size_t values_count, put_mode mode, bool allow_partial = false);
+ inline size_t put_multiple_samelength(map_handle map, const slice &key, const size_t value_length,
+ const void *values_array, size_t values_count, put_mode mode,
+ bool allow_partial = false);
template <typename VALUE>
size_t put_multiple_samelength(map_handle map, const slice &key, const VALUE *values_array, size_t values_count,
put_mode mode, bool allow_partial = false) {
@@ -4567,6 +4568,21 @@ public:
/// \brief Seeks and removes the particular multi-value entry of the key.
/// \return `True` if the given key-value pair is found and removed.
inline bool erase(const slice &key, const slice &value);
+
+ inline size_t put_multiple_samelength(const slice &key, const size_t value_length, const void *values_array,
+ size_t values_count, put_mode mode, bool allow_partial = false);
+ template <typename VALUE>
+ size_t put_multiple_samelength(const slice &key, const VALUE *values_array, size_t values_count, put_mode mode,
+ bool allow_partial = false) {
+ static_assert(::std::is_standard_layout<VALUE>::value && !::std::is_pointer<VALUE>::value &&
+ !::std::is_array<VALUE>::value,
+ "Must be a standard layout type!");
+ return put_multiple_samelength(key, sizeof(VALUE), values_array, values_count, mode, allow_partial);
+ }
+ template <typename VALUE>
+ void put_multiple_samelength(const slice &key, const ::std::vector<VALUE> &vector, put_mode mode) {
+ put_multiple_samelength(key, vector.data(), vector.size(), mode);
+ }
};
/// \brief Managed cursor.
@@ -6354,6 +6370,24 @@ inline bool cursor::erase(const slice &key, const slice &value) {
return data.done && erase();
}
+inline size_t cursor::put_multiple_samelength(const slice &key, const size_t value_length, const void *values_array,
+ size_t values_count, put_mode mode, bool allow_partial) {
+ MDBX_val args[2] = {{const_cast<void *>(values_array), value_length}, {nullptr, values_count}};
+ const int err = ::mdbx_cursor_put(handle_, const_cast<slice *>(&key), args, MDBX_put_flags_t(mode) | MDBX_MULTIPLE);
+ switch (err) {
+ case MDBX_SUCCESS:
+ MDBX_CXX20_LIKELY break;
+ case MDBX_KEYEXIST:
+ if (allow_partial)
+ break;
+ mdbx_txn_break(txn());
+ MDBX_CXX17_FALLTHROUGH /* fallthrough */;
+ default:
+ MDBX_CXX20_UNLIKELY error::throw_exception(err);
+ }
+ return args[1].iov_len /* done item count */;
+}
+
/// end cxx_api @}
} // namespace mdbx