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Added setting 'log_queries_cut_to_length' [#METR-21843].

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This commit is contained in:
Alexey Milovidov 2016-06-25 06:21:01 +03:00
parent c68d6ea303
commit d9b8b74180
2 changed files with 13 additions and 8 deletions
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5
dbms/include/DB/Interpreters/Settings.h
View File

@ -162,6 +162,11 @@ struct Settings
/** Логгировать запросы и писать лог в системную таблицу. */ \
M(SettingBool, log_queries, 0) \
\
/** If query length is greater than specified threshold (in bytes), then cut query when writing to query log. \
* Also limit length of printed query in ordinary text log. \
*/ \
M(SettingUInt64, log_queries_cut_to_length, 100000) \
\
/** Как выполняются распределённые подзапросы внутри секций IN или JOIN? */ \
M(SettingDistributedProductMode, distributed_product_mode, DistributedProductMode::DENY) \
\

16
dbms/src/Interpreters/executeQuery.cpp
View File

@ -75,7 +75,7 @@ static void onExceptionBeforeStart(const String & query, Context & context, time
elem.event_time = current_time;
elem.query_start_time = current_time;
elem.query = query;
elem.query = query.substr(0, context.getSettingsRef().log_queries_cut_to_length);
elem.exception = getCurrentExceptionMessage(false);
setClientInfo(elem, context);
@ -105,10 +105,12 @@ static std::tuple<ASTPtr, BlockIO> executeQueryImpl(
ProfileEvents::increment(ProfileEvents::Query);
time_t current_time = time(0);
const Settings & settings = context.getSettingsRef();
ParserQuery parser;
ASTPtr ast;
size_t query_size;
size_t max_query_size = context.getSettingsRef().max_query_size;
size_t max_query_size = settings.max_query_size;
try
{
@ -127,7 +129,7 @@ static std::tuple<ASTPtr, BlockIO> executeQueryImpl(
if (!internal)
{
String query = String(begin, begin + std::min(end - begin, static_cast<ptrdiff_t>(max_query_size)));
logQuery(query, context);
logQuery(query.substr(0, settings.log_queries_cut_to_length), context);
onExceptionBeforeStart(query, context, current_time);
}
@ -140,18 +142,16 @@ static std::tuple<ASTPtr, BlockIO> executeQueryImpl(
try
{
if (!internal)
logQuery(query, context);
logQuery(query.substr(0, settings.log_queries_cut_to_length), context);
/// Проверка ограничений.
checkLimits(*ast, context.getSettingsRef().limits);
checkLimits(*ast, settings.limits);
QuotaForIntervals & quota = context.getQuota();
quota.addQuery(current_time);
quota.checkExceeded(current_time);
const Settings & settings = context.getSettingsRef();
/// Положим запрос в список процессов. Но запрос SHOW PROCESSLIST класть не будем.
ProcessList::EntryPtr process_list_entry;
if (!internal && nullptr == typeid_cast<const ASTShowProcesslistQuery *>(&*ast))
@ -190,7 +190,7 @@ static std::tuple<ASTPtr, BlockIO> executeQueryImpl(
elem.event_time = current_time;
elem.query_start_time = current_time;
elem.query = query;
elem.query = query.substr(0, settings.log_queries_cut_to_length);
setClientInfo(elem, context);