mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-11-25 09:02:00 +00:00
Some fixups
This commit is contained in:
parent
b97158f5b6
commit
cec2aba6bb
@ -142,7 +142,7 @@ void Settings::applyCompatibilitySetting(const String & compatibility_value)
|
||||
return;
|
||||
|
||||
ClickHouseVersion version(compatibility_value);
|
||||
auto settings_changes_history = getSettingsChangesHistory();
|
||||
const auto & settings_changes_history = getSettingsChangesHistory();
|
||||
/// Iterate through ClickHouse version in descending order and apply reversed
|
||||
/// changes for each version that is higher that version from compatibility setting
|
||||
for (auto it = settings_changes_history.rbegin(); it != settings_changes_history.rend(); ++it)
|
||||
|
@ -13,7 +13,7 @@ namespace DB
|
||||
|
||||
namespace ErrorCodes
|
||||
{
|
||||
extern const int BAD_ARGUMENTS;
|
||||
extern const int LOGICAL_ERROR;
|
||||
}
|
||||
|
||||
class ClickHouseVersion
|
||||
@ -85,7 +85,7 @@ namespace SettingsChangesHistory
|
||||
/// controls new feature and it's 'true' by default, use 'false' as previous_value).
|
||||
/// It's used to implement `compatibility` setting (see https://github.com/ClickHouse/ClickHouse/issues/35972)
|
||||
/// Note: please check if the key already exists to prevent duplicate entries.
|
||||
static std::initializer_list<std::pair<ClickHouseVersion, SettingsChangesHistory::SettingsChanges>> settings_changes_history_init =
|
||||
static std::initializer_list<std::pair<ClickHouseVersion, SettingsChangesHistory::SettingsChanges>> settings_changes_history_initializer =
|
||||
{
|
||||
{"24.6", {{"materialize_skip_indexes_on_insert", true, true, "Added new setting to allow to disable materialization of skip indexes on insert"},
|
||||
{"materialize_statistics_on_insert", true, true, "Added new setting to allow to disable materialization of statistics on insert"},
|
||||
@ -323,22 +323,27 @@ static std::initializer_list<std::pair<ClickHouseVersion, SettingsChangesHistory
|
||||
{"18.12.17", {{"enable_optimize_predicate_expression", 0, 1, "Optimize predicates to subqueries by default"}}},
|
||||
};
|
||||
|
||||
static std::map<ClickHouseVersion, SettingsChangesHistory::SettingsChanges>& getSettingsChangesHistory()
|
||||
static
|
||||
const std::map<ClickHouseVersion, SettingsChangesHistory::SettingsChanges> & getSettingsChangesHistory()
|
||||
{
|
||||
static std::map<ClickHouseVersion, SettingsChangesHistory::SettingsChanges> settings_changes_history;
|
||||
static bool initialized = false;
|
||||
|
||||
if (!initialized)
|
||||
static std::once_flag initialized_flag;
|
||||
std::call_once(initialized_flag, []()
|
||||
{
|
||||
for (auto it = settings_changes_history_init.begin(); it != settings_changes_history_init.end(); ++it)
|
||||
for (const auto & setting_change : settings_changes_history_initializer)
|
||||
{
|
||||
if (settings_changes_history.contains(it->first))
|
||||
throw Exception{ErrorCodes::BAD_ARGUMENTS, "ClickHouse version {} already exists, please check for duplicates and merge them", it->first.toString()};
|
||||
/// Disallow duplicate keys in the settings changes history. Example:
|
||||
/// {"21.2", {{"some_setting_1", false, true, "[...]"}}},
|
||||
/// [...]
|
||||
/// {"21.2", {{"some_setting_2", false, true, "[...]"}}},
|
||||
/// As std::set has unique keys, one of the entries would be overwritten.
|
||||
if (settings_changes_history.contains(setting_change.first))
|
||||
throw Exception{ErrorCodes::LOGICAL_ERROR, "Detected duplicates version '{}'", setting_change.first.toString()};
|
||||
|
||||
settings_changes_history[it->first] = it->second;
|
||||
settings_changes_history[setting_change.first] = setting_change.second;
|
||||
}
|
||||
initialized = true;
|
||||
}
|
||||
});
|
||||
|
||||
return settings_changes_history;
|
||||
}
|
||||
|
@ -26,7 +26,7 @@ ColumnsDescription StorageSystemSettingsChanges::getColumnsDescription()
|
||||
|
||||
void StorageSystemSettingsChanges::fillData(MutableColumns & res_columns, ContextPtr, const ActionsDAG::Node *, std::vector<UInt8>) const
|
||||
{
|
||||
auto settings_changes_history = getSettingsChangesHistory();
|
||||
const auto & settings_changes_history = getSettingsChangesHistory();
|
||||
for (auto it = settings_changes_history.rbegin(); it != settings_changes_history.rend(); ++it)
|
||||
{
|
||||
res_columns[0]->insert(it->first.toString());
|
||||
|
Loading…
Reference in New Issue
Block a user