iss #48 #49 retire unused objecttargetfilesize cf config field and ad…

README.md

@@ -31,8 +31,3 @@ Multiple licenses apply:
 ## Contributing
 
 Contributions are welcome! Please feel free to submit a Pull Request.
-
-## Support
-
-- [Discord](https://discord.gg/tWEmjR66cy)
-- [GitHub Issues](https://github.com/tidesdb/tidesdb-lua/issues)

src/tidesdb.lua

@@ -83,7 +83,7 @@ ffi.cdef[[
         int use_btree;
         tidesdb_commit_hook_fn commit_hook_fn;
         void *commit_hook_ctx;
-        size_t object_target_file_size;
+        size_t object_target_file_size; /* reserved, retired from public API */
         int object_lazy_compaction;
         int object_prefetch_compaction;
     } tidesdb_column_family_config_t;
@@ -182,6 +182,7 @@ ffi.cdef[[
     int tidesdb_txn_put(void* txn, void* cf, const uint8_t* key, size_t key_len, const uint8_t* value, size_t value_len, int ttl);
     int tidesdb_txn_get(void* txn, void* cf, const uint8_t* key, size_t key_len, uint8_t** value, size_t* value_len);
     int tidesdb_txn_delete(void* txn, void* cf, const uint8_t* key, size_t key_len);
+    int tidesdb_txn_single_delete(void* txn, void* cf, const uint8_t* key, size_t key_len);
     int tidesdb_txn_commit(void* txn);
     int tidesdb_txn_rollback(void* txn);
     void tidesdb_txn_free(void* txn);
@@ -484,7 +485,6 @@ function tidesdb.default_column_family_config()
         l1_file_count_trigger = c_config.l1_file_count_trigger,
         l0_queue_stall_threshold = c_config.l0_queue_stall_threshold,
         use_btree = c_config.use_btree ~= 0,
-        object_target_file_size = tonumber(c_config.object_target_file_size),
         object_lazy_compaction = c_config.object_lazy_compaction ~= 0,
         object_prefetch_compaction = c_config.object_prefetch_compaction ~= 0,
     }
@@ -574,7 +574,6 @@ local function config_to_c_struct(config, cf_name)
     c_config.l1_file_count_trigger = config.l1_file_count_trigger or 4
     c_config.l0_queue_stall_threshold = config.l0_queue_stall_threshold or 20
     c_config.use_btree = config.use_btree and 1 or 0
-    c_config.object_target_file_size = config.object_target_file_size or 0
     c_config.object_lazy_compaction = config.object_lazy_compaction and 1 or 0
     c_config.object_prefetch_compaction = config.object_prefetch_compaction and 1 or 0
 
@@ -905,6 +904,19 @@ function Transaction:delete(cf, key)
     check_result(result, "failed to delete key")
 end
 
+function Transaction:single_delete(cf, key)
+    if self._closed then
+        error(TidesDBError.new("Transaction is closed"))
+    end
+    if self._committed then
+        error(TidesDBError.new("Transaction already committed"))
+    end
+
+    local key_len = #key
+    local result = lib.tidesdb_txn_single_delete(self._txn, cf._cf, key, key_len)
+    check_result(result, "failed to single delete key")
+end
+
 function Transaction:commit()
     if self._closed then
         error(TidesDBError.new("Transaction is closed"))
@@ -1354,7 +1366,6 @@ function tidesdb.load_config_from_ini(ini_file, section_name)
         l1_file_count_trigger = c_config.l1_file_count_trigger,
         l0_queue_stall_threshold = c_config.l0_queue_stall_threshold,
         use_btree = c_config.use_btree ~= 0,
-        object_target_file_size = tonumber(c_config.object_target_file_size),
         object_lazy_compaction = c_config.object_lazy_compaction ~= 0,
         object_prefetch_compaction = c_config.object_prefetch_compaction ~= 0,
     }
@@ -1367,6 +1378,6 @@ function tidesdb.save_config_to_ini(ini_file, section_name, config)
 end
 
 -- Version
-tidesdb._VERSION = "0.5.8"
+tidesdb._VERSION = "0.6.0"
 
 return tidesdb

tests/test_tidesdb.lua

@@ -1167,14 +1167,13 @@ function tests.test_object_cf_config_fields()
 
     -- Test default column family config includes object_* fields
     local default_cf = tidesdb.default_column_family_config()
-    assert_true(default_cf.object_target_file_size ~= nil, "object_target_file_size should exist")
     assert_true(default_cf.object_lazy_compaction ~= nil, "object_lazy_compaction should exist")
     assert_true(default_cf.object_prefetch_compaction ~= nil, "object_prefetch_compaction should exist")
+    assert_true(default_cf.object_target_file_size == nil, "object_target_file_size should be retired from public API")
 
     -- Test creating CF with custom object_* fields
     local db = tidesdb.TidesDB.open(path)
     local cf_config = tidesdb.default_column_family_config()
-    cf_config.object_target_file_size = 16 * 1024 * 1024
     cf_config.object_lazy_compaction = true
     cf_config.object_prefetch_compaction = false
     db:create_column_family("test_cf", cf_config)
@@ -1342,6 +1341,55 @@ function tests.test_error_readonly_constant()
     print("PASS: test_error_readonly_constant")
 end
 
+function tests.test_txn_single_delete()
+    local path = "./test_db_single_delete"
+    cleanup_db(path)
+
+    local db = tidesdb.TidesDB.open(path)
+    db:create_column_family("test_cf")
+    local cf = db:get_column_family("test_cf")
+
+    -- Insert a key that will be single-deleted
+    local txn = db:begin_txn()
+    txn:put(cf, "sd_key", "sd_value")
+    txn:put(cf, "keep_key", "keep_value")
+    txn:commit()
+    txn:free()
+
+    -- Verify the key exists
+    local read_txn = db:begin_txn()
+    local v = read_txn:get(cf, "sd_key")
+    assert_eq(v, "sd_value", "sd_key should exist before single_delete")
+    read_txn:free()
+
+    -- Single-delete the key
+    local del_txn = db:begin_txn()
+    del_txn:single_delete(cf, "sd_key")
+    del_txn:commit()
+    del_txn:free()
+
+    -- Verify the key is gone
+    local verify_txn = db:begin_txn()
+    local err = assert_error(function()
+        verify_txn:get(cf, "sd_key")
+    end, "sd_key should not exist after single_delete")
+    local kept = verify_txn:get(cf, "keep_key")
+    assert_eq(kept, "keep_value", "unrelated key should remain after single_delete")
+    verify_txn:free()
+
+    -- single_delete on a closed transaction should raise
+    local closed_txn = db:begin_txn()
+    closed_txn:free()
+    local closed_err = assert_error(function()
+        closed_txn:single_delete(cf, "any_key")
+    end, "single_delete on closed transaction should error")
+
+    db:drop_column_family("test_cf")
+    db:close()
+    cleanup_db(path)
+    print("PASS: test_txn_single_delete")
+end
+
 -- Run all tests
 local function run_tests()
     print("Running TidesDB Lua tests...")

tidesdb-0.5.8-1.rockspec → tidesdb-0.6.0-1.rockspec

@@ -1,8 +1,8 @@
 package = "tidesdb"
-version = "0.5.8-1"
+version = "0.6.0-1"
 source = {
    url = "git://github.com/tidesdb/tidesdb-lua.git",
-   tag = "v0.5.8"
+   tag = "v0.6.0"
 }
 description = {
    summary = "Official Lua bindings for TidesDB - A high-performance embedded key-value storage engine",