ClickHouse/dbms/src/Databases/DatabaseOrdinary.cpp

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Squashed commit of the following: commit f9b478181cd49224154cc350fb57df7121842f1c Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Sat Mar 19 04:06:36 2016 +0300 Database engines: development [#METR-19997]. commit f7a10a67761ccfd05f3dac32d6444920cd8d4d60 Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Sat Mar 19 03:44:37 2016 +0300 Database engines: development [#METR-19997]. commit bd98a8558e98bad2bed278e5762c4e0fc66e6f38 Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Sat Mar 19 00:33:59 2016 +0300 Database engines: development [#METR-19997]. commit 19712fd884c22a4e2c2b67474086dea8f44e7c7b Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Sat Mar 19 00:03:11 2016 +0300 Database engines: development [#METR-19997]. commit 50274d6df7e91fcc34aab8a8c72347daa2c6512f Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Fri Mar 18 23:24:57 2016 +0300 Database engines: development [#METR-19997]. commit 4a0b99b19b34e90ef8b7be2d199f6232e36ef3f7 Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Fri Mar 18 22:50:36 2016 +0300 Database engines: development [#METR-19997]. commit 44ff3ebba7a3e460a27a89f31ddf199dbea1d182 Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Fri Mar 18 15:09:17 2016 +0300 Database engines: development [#METR-19997]. commit 137c31f3004cfd282473b6acb01cbe1b4ca2aadd Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Fri Mar 18 03:26:34 2016 +0300 Database engines: development [#METR-19997]. commit aa4c0496d4afe4a691164254be2bd5600542b38a Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Fri Mar 18 03:22:59 2016 +0300 Database engines: development [#METR-19997]. commit 5a94d1f0607450a2dac28a4d7df8b1393a864c23 Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Fri Mar 18 01:02:40 2016 +0300 Database engines: development [#METR-19997]. commit 50fd5b52ea1141955a5dfba0dcb191f3289ac25b Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Thu Mar 17 23:23:40 2016 +0300 Database engines: development [#METR-19997]. commit a333d91b058e4f56dd83a6d2878c3c2bd8efc002 Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Thu Mar 17 20:29:07 2016 +0300 Database engines: development [#METR-19997]. commit f81d366e7ac8348436f2698d040f8e341743a024 Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Thu Mar 17 01:30:23 2016 +0300 Database engines: development [#METR-19997]. commit d0696860c9060827896214c08d147c759ea79376 Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Wed Mar 16 21:55:31 2016 +0300 Database engines: development [#METR-19997]. commit 46a168c2ada140a0e95cd8d4b9d8ba9bac855d11 Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Wed Mar 16 08:00:58 2016 +0300 Database engines: development [#METR-19997]. commit 20a2bad161454225fc1b5f9b919b842fbebc3231 Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Wed Mar 16 06:51:10 2016 +0300 Database engines: development [#METR-19997]. commit ca0a77fcc2a8d0b276eb3743c53551ad3fe16314 Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Wed Mar 16 06:02:20 2016 +0300 Reverted erroneous modification [#METR-19997]. commit 1370bdcc4594182f6ef2b146f9afabfe1c295080 Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Wed Mar 16 00:41:34 2016 +0300 Database engines: development [#METR-19997]. commit 16e72c67041cae6471509d3f0f3d4a9aa7b7dc0f Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Tue Mar 15 00:41:48 2016 +0300 Database engines: development [#METR-19997].
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#include <future>
#include <Poco/DirectoryIterator.h>
#include <DB/Databases/DatabaseOrdinary.h>
#include <DB/Databases/DatabasesCommon.h>
Squashed commit of the following: commit f9b478181cd49224154cc350fb57df7121842f1c Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Sat Mar 19 04:06:36 2016 +0300 Database engines: development [#METR-19997]. commit f7a10a67761ccfd05f3dac32d6444920cd8d4d60 Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Sat Mar 19 03:44:37 2016 +0300 Database engines: development [#METR-19997]. commit bd98a8558e98bad2bed278e5762c4e0fc66e6f38 Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Sat Mar 19 00:33:59 2016 +0300 Database engines: development [#METR-19997]. commit 19712fd884c22a4e2c2b67474086dea8f44e7c7b Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Sat Mar 19 00:03:11 2016 +0300 Database engines: development [#METR-19997]. commit 50274d6df7e91fcc34aab8a8c72347daa2c6512f Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Fri Mar 18 23:24:57 2016 +0300 Database engines: development [#METR-19997]. commit 4a0b99b19b34e90ef8b7be2d199f6232e36ef3f7 Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Fri Mar 18 22:50:36 2016 +0300 Database engines: development [#METR-19997]. commit 44ff3ebba7a3e460a27a89f31ddf199dbea1d182 Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Fri Mar 18 15:09:17 2016 +0300 Database engines: development [#METR-19997]. commit 137c31f3004cfd282473b6acb01cbe1b4ca2aadd Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Fri Mar 18 03:26:34 2016 +0300 Database engines: development [#METR-19997]. commit aa4c0496d4afe4a691164254be2bd5600542b38a Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Fri Mar 18 03:22:59 2016 +0300 Database engines: development [#METR-19997]. commit 5a94d1f0607450a2dac28a4d7df8b1393a864c23 Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Fri Mar 18 01:02:40 2016 +0300 Database engines: development [#METR-19997]. commit 50fd5b52ea1141955a5dfba0dcb191f3289ac25b Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Thu Mar 17 23:23:40 2016 +0300 Database engines: development [#METR-19997]. commit a333d91b058e4f56dd83a6d2878c3c2bd8efc002 Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Thu Mar 17 20:29:07 2016 +0300 Database engines: development [#METR-19997]. commit f81d366e7ac8348436f2698d040f8e341743a024 Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Thu Mar 17 01:30:23 2016 +0300 Database engines: development [#METR-19997]. commit d0696860c9060827896214c08d147c759ea79376 Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Wed Mar 16 21:55:31 2016 +0300 Database engines: development [#METR-19997]. commit 46a168c2ada140a0e95cd8d4b9d8ba9bac855d11 Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Wed Mar 16 08:00:58 2016 +0300 Database engines: development [#METR-19997]. commit 20a2bad161454225fc1b5f9b919b842fbebc3231 Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Wed Mar 16 06:51:10 2016 +0300 Database engines: development [#METR-19997]. commit ca0a77fcc2a8d0b276eb3743c53551ad3fe16314 Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Wed Mar 16 06:02:20 2016 +0300 Reverted erroneous modification [#METR-19997]. commit 1370bdcc4594182f6ef2b146f9afabfe1c295080 Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Wed Mar 16 00:41:34 2016 +0300 Database engines: development [#METR-19997]. commit 16e72c67041cae6471509d3f0f3d4a9aa7b7dc0f Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Tue Mar 15 00:41:48 2016 +0300 Database engines: development [#METR-19997].
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#include <DB/Common/escapeForFileName.h>
#include <DB/Parsers/ASTCreateQuery.h>
#include <DB/Parsers/parseQuery.h>
#include <DB/Parsers/ParserCreateQuery.h>
#include <DB/Interpreters/Context.h>
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#include <DB/IO/WriteBufferFromFile.h>
#include <DB/IO/ReadBufferFromFile.h>
#include <DB/IO/copyData.h>
namespace DB
{
namespace ErrorCodes
{
extern const int TABLE_ALREADY_EXISTS;
extern const int UNKNOWN_TABLE;
extern const int TABLE_METADATA_DOESNT_EXIST;
extern const int CANNOT_CREATE_TABLE_FROM_METADATA;
extern const int INCORRECT_FILE_NAME;
}
static constexpr size_t PRINT_MESSAGE_EACH_N_TABLES = 256;
static constexpr size_t PRINT_MESSAGE_EACH_N_SECONDS = 5;
static constexpr size_t METADATA_FILE_BUFFER_SIZE = 32768;
static constexpr size_t TABLES_PARALLEL_LOAD_BUNCH_SIZE = 100;
static void loadTable(
Context & context,
const String & database_metadata_path,
DatabaseOrdinary & database,
const String & database_name,
const String & database_data_path,
const String & file_name)
{
Logger * log = &Logger::get("loadTable");
const String table_metadata_path = database_metadata_path + "/" + file_name;
String s;
{
char in_buf[METADATA_FILE_BUFFER_SIZE];
ReadBufferFromFile in(table_metadata_path, METADATA_FILE_BUFFER_SIZE, -1, in_buf);
WriteBufferFromString out(s);
copyData(in, out);
}
/** Пустые файлы с метаданными образуются после грубого перезапуска сервера.
* Удаляем эти файлы, чтобы чуть-чуть уменьшить работу админов по запуску.
*/
if (s.empty())
{
LOG_ERROR(log, "File " << table_metadata_path << " is empty. Removing.");
Poco::File(table_metadata_path).remove();
return;
}
try
{
String table_name;
StoragePtr table;
std::tie(table_name, table) = createTableFromDefinition(
s, database_name, database_data_path, context, "in file " + table_metadata_path);
database.attachTable(table_name, table);
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}
catch (const Exception & e)
{
throw Exception("Cannot create table from metadata file " + table_metadata_path + ", error: " + e.displayText() +
", stack trace:\n" + e.getStackTrace().toString(),
ErrorCodes::CANNOT_CREATE_TABLE_FROM_METADATA);
}
}
static bool endsWith(const String & s, const char * suffix)
{
return s.size() >= strlen(suffix) && 0 == s.compare(s.size() - strlen(suffix), strlen(suffix), suffix);
}
DatabaseOrdinary::DatabaseOrdinary(
const String & name_, const String & path_, Context & context, boost::threadpool::pool * thread_pool)
: name(name_), path(path_)
{
log = &Logger::get("DatabaseOrdinary (" + name + ")");
using FileNames = std::vector<std::string>;
FileNames file_names;
Poco::DirectoryIterator dir_end;
for (Poco::DirectoryIterator dir_it(path); dir_it != dir_end; ++dir_it)
{
/// Для директории .svn
if (dir_it.name().at(0) == '.')
continue;
/// Есть файлы .sql.bak - пропускаем.
if (endsWith(dir_it.name(), ".sql.bak"))
continue;
/// Есть файлы .sql.tmp - удаляем.
if (endsWith(dir_it.name(), ".sql.tmp"))
{
LOG_INFO(log, "Removing file " << dir_it->path());
Poco::File(dir_it->path()).remove();
continue;
}
/// Нужные файлы имеют имена вида table_name.sql
if (endsWith(dir_it.name(), ".sql"))
file_names.push_back(dir_it.name());
else
throw Exception("Incorrect file extension: " + dir_it.name() + " in metadata directory " + path,
ErrorCodes::INCORRECT_FILE_NAME);
}
/** Таблицы быстрее грузятся, если их грузить в сортированном (по именам) порядке.
* Иначе (для файловой системы ext4) DirectoryIterator перебирает их в некотором порядке,
* который не соответствует порядку создания таблиц и не соответствует порядку их расположения на диске.
*/
std::sort(file_names.begin(), file_names.end());
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size_t total_tables = file_names.size();
Squashed commit of the following: commit f9b478181cd49224154cc350fb57df7121842f1c Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Sat Mar 19 04:06:36 2016 +0300 Database engines: development [#METR-19997]. commit f7a10a67761ccfd05f3dac32d6444920cd8d4d60 Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Sat Mar 19 03:44:37 2016 +0300 Database engines: development [#METR-19997]. commit bd98a8558e98bad2bed278e5762c4e0fc66e6f38 Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Sat Mar 19 00:33:59 2016 +0300 Database engines: development [#METR-19997]. commit 19712fd884c22a4e2c2b67474086dea8f44e7c7b Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Sat Mar 19 00:03:11 2016 +0300 Database engines: development [#METR-19997]. commit 50274d6df7e91fcc34aab8a8c72347daa2c6512f Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Fri Mar 18 23:24:57 2016 +0300 Database engines: development [#METR-19997]. commit 4a0b99b19b34e90ef8b7be2d199f6232e36ef3f7 Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Fri Mar 18 22:50:36 2016 +0300 Database engines: development [#METR-19997]. commit 44ff3ebba7a3e460a27a89f31ddf199dbea1d182 Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Fri Mar 18 15:09:17 2016 +0300 Database engines: development [#METR-19997]. commit 137c31f3004cfd282473b6acb01cbe1b4ca2aadd Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Fri Mar 18 03:26:34 2016 +0300 Database engines: development [#METR-19997]. commit aa4c0496d4afe4a691164254be2bd5600542b38a Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Fri Mar 18 03:22:59 2016 +0300 Database engines: development [#METR-19997]. commit 5a94d1f0607450a2dac28a4d7df8b1393a864c23 Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Fri Mar 18 01:02:40 2016 +0300 Database engines: development [#METR-19997]. commit 50fd5b52ea1141955a5dfba0dcb191f3289ac25b Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Thu Mar 17 23:23:40 2016 +0300 Database engines: development [#METR-19997]. commit a333d91b058e4f56dd83a6d2878c3c2bd8efc002 Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Thu Mar 17 20:29:07 2016 +0300 Database engines: development [#METR-19997]. commit f81d366e7ac8348436f2698d040f8e341743a024 Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Thu Mar 17 01:30:23 2016 +0300 Database engines: development [#METR-19997]. commit d0696860c9060827896214c08d147c759ea79376 Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Wed Mar 16 21:55:31 2016 +0300 Database engines: development [#METR-19997]. commit 46a168c2ada140a0e95cd8d4b9d8ba9bac855d11 Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Wed Mar 16 08:00:58 2016 +0300 Database engines: development [#METR-19997]. commit 20a2bad161454225fc1b5f9b919b842fbebc3231 Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Wed Mar 16 06:51:10 2016 +0300 Database engines: development [#METR-19997]. commit ca0a77fcc2a8d0b276eb3743c53551ad3fe16314 Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Wed Mar 16 06:02:20 2016 +0300 Reverted erroneous modification [#METR-19997]. commit 1370bdcc4594182f6ef2b146f9afabfe1c295080 Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Wed Mar 16 00:41:34 2016 +0300 Database engines: development [#METR-19997]. commit 16e72c67041cae6471509d3f0f3d4a9aa7b7dc0f Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Tue Mar 15 00:41:48 2016 +0300 Database engines: development [#METR-19997].
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LOG_INFO(log, "Total " << total_tables << " tables.");
String data_path = context.getPath() + "/data/" + escapeForFileName(name) + "/";
StopwatchWithLock watch;
size_t tables_processed = 0;
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auto task_function = [&](FileNames::const_iterator begin, FileNames::const_iterator end)
Squashed commit of the following: commit f9b478181cd49224154cc350fb57df7121842f1c Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Sat Mar 19 04:06:36 2016 +0300 Database engines: development [#METR-19997]. commit f7a10a67761ccfd05f3dac32d6444920cd8d4d60 Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Sat Mar 19 03:44:37 2016 +0300 Database engines: development [#METR-19997]. commit bd98a8558e98bad2bed278e5762c4e0fc66e6f38 Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Sat Mar 19 00:33:59 2016 +0300 Database engines: development [#METR-19997]. commit 19712fd884c22a4e2c2b67474086dea8f44e7c7b Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Sat Mar 19 00:03:11 2016 +0300 Database engines: development [#METR-19997]. commit 50274d6df7e91fcc34aab8a8c72347daa2c6512f Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Fri Mar 18 23:24:57 2016 +0300 Database engines: development [#METR-19997]. commit 4a0b99b19b34e90ef8b7be2d199f6232e36ef3f7 Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Fri Mar 18 22:50:36 2016 +0300 Database engines: development [#METR-19997]. commit 44ff3ebba7a3e460a27a89f31ddf199dbea1d182 Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Fri Mar 18 15:09:17 2016 +0300 Database engines: development [#METR-19997]. commit 137c31f3004cfd282473b6acb01cbe1b4ca2aadd Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Fri Mar 18 03:26:34 2016 +0300 Database engines: development [#METR-19997]. commit aa4c0496d4afe4a691164254be2bd5600542b38a Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Fri Mar 18 03:22:59 2016 +0300 Database engines: development [#METR-19997]. commit 5a94d1f0607450a2dac28a4d7df8b1393a864c23 Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Fri Mar 18 01:02:40 2016 +0300 Database engines: development [#METR-19997]. commit 50fd5b52ea1141955a5dfba0dcb191f3289ac25b Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Thu Mar 17 23:23:40 2016 +0300 Database engines: development [#METR-19997]. commit a333d91b058e4f56dd83a6d2878c3c2bd8efc002 Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Thu Mar 17 20:29:07 2016 +0300 Database engines: development [#METR-19997]. commit f81d366e7ac8348436f2698d040f8e341743a024 Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Thu Mar 17 01:30:23 2016 +0300 Database engines: development [#METR-19997]. commit d0696860c9060827896214c08d147c759ea79376 Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Wed Mar 16 21:55:31 2016 +0300 Database engines: development [#METR-19997]. commit 46a168c2ada140a0e95cd8d4b9d8ba9bac855d11 Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Wed Mar 16 08:00:58 2016 +0300 Database engines: development [#METR-19997]. commit 20a2bad161454225fc1b5f9b919b842fbebc3231 Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Wed Mar 16 06:51:10 2016 +0300 Database engines: development [#METR-19997]. commit ca0a77fcc2a8d0b276eb3743c53551ad3fe16314 Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Wed Mar 16 06:02:20 2016 +0300 Reverted erroneous modification [#METR-19997]. commit 1370bdcc4594182f6ef2b146f9afabfe1c295080 Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Wed Mar 16 00:41:34 2016 +0300 Database engines: development [#METR-19997]. commit 16e72c67041cae6471509d3f0f3d4a9aa7b7dc0f Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Tue Mar 15 00:41:48 2016 +0300 Database engines: development [#METR-19997].
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{
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for (FileNames::const_iterator it = begin; it != end; ++it)
Squashed commit of the following: commit f9b478181cd49224154cc350fb57df7121842f1c Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Sat Mar 19 04:06:36 2016 +0300 Database engines: development [#METR-19997]. commit f7a10a67761ccfd05f3dac32d6444920cd8d4d60 Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Sat Mar 19 03:44:37 2016 +0300 Database engines: development [#METR-19997]. commit bd98a8558e98bad2bed278e5762c4e0fc66e6f38 Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Sat Mar 19 00:33:59 2016 +0300 Database engines: development [#METR-19997]. commit 19712fd884c22a4e2c2b67474086dea8f44e7c7b Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Sat Mar 19 00:03:11 2016 +0300 Database engines: development [#METR-19997]. commit 50274d6df7e91fcc34aab8a8c72347daa2c6512f Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Fri Mar 18 23:24:57 2016 +0300 Database engines: development [#METR-19997]. commit 4a0b99b19b34e90ef8b7be2d199f6232e36ef3f7 Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Fri Mar 18 22:50:36 2016 +0300 Database engines: development [#METR-19997]. commit 44ff3ebba7a3e460a27a89f31ddf199dbea1d182 Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Fri Mar 18 15:09:17 2016 +0300 Database engines: development [#METR-19997]. commit 137c31f3004cfd282473b6acb01cbe1b4ca2aadd Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Fri Mar 18 03:26:34 2016 +0300 Database engines: development [#METR-19997]. commit aa4c0496d4afe4a691164254be2bd5600542b38a Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Fri Mar 18 03:22:59 2016 +0300 Database engines: development [#METR-19997]. commit 5a94d1f0607450a2dac28a4d7df8b1393a864c23 Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Fri Mar 18 01:02:40 2016 +0300 Database engines: development [#METR-19997]. commit 50fd5b52ea1141955a5dfba0dcb191f3289ac25b Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Thu Mar 17 23:23:40 2016 +0300 Database engines: development [#METR-19997]. commit a333d91b058e4f56dd83a6d2878c3c2bd8efc002 Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Thu Mar 17 20:29:07 2016 +0300 Database engines: development [#METR-19997]. commit f81d366e7ac8348436f2698d040f8e341743a024 Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Thu Mar 17 01:30:23 2016 +0300 Database engines: development [#METR-19997]. commit d0696860c9060827896214c08d147c759ea79376 Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Wed Mar 16 21:55:31 2016 +0300 Database engines: development [#METR-19997]. commit 46a168c2ada140a0e95cd8d4b9d8ba9bac855d11 Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Wed Mar 16 08:00:58 2016 +0300 Database engines: development [#METR-19997]. commit 20a2bad161454225fc1b5f9b919b842fbebc3231 Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Wed Mar 16 06:51:10 2016 +0300 Database engines: development [#METR-19997]. commit ca0a77fcc2a8d0b276eb3743c53551ad3fe16314 Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Wed Mar 16 06:02:20 2016 +0300 Reverted erroneous modification [#METR-19997]. commit 1370bdcc4594182f6ef2b146f9afabfe1c295080 Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Wed Mar 16 00:41:34 2016 +0300 Database engines: development [#METR-19997]. commit 16e72c67041cae6471509d3f0f3d4a9aa7b7dc0f Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Tue Mar 15 00:41:48 2016 +0300 Database engines: development [#METR-19997].
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{
const String & table = *it;
/// Сообщения, чтобы было не скучно ждать, когда сервер долго загружается.
if (__sync_add_and_fetch(&tables_processed, 1) % PRINT_MESSAGE_EACH_N_TABLES == 0
|| watch.lockTestAndRestart(PRINT_MESSAGE_EACH_N_SECONDS))
{
LOG_INFO(log, std::fixed << std::setprecision(2) << tables_processed * 100.0 / total_tables << "%");
watch.restart();
}
loadTable(context, path, *this, name, data_path, table);
}
};
/** packaged_task используются, чтобы исключения автоматически прокидывались в основной поток.
* Недостаток - исключения попадают в основной поток только после окончания работы всех task-ов.
*/
const size_t bunch_size = TABLES_PARALLEL_LOAD_BUNCH_SIZE;
size_t num_bunches = (total_tables + bunch_size - 1) / bunch_size;
std::vector<std::packaged_task<void()>> tasks(num_bunches);
for (size_t i = 0; i < num_bunches; ++i)
{
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auto begin = file_names.begin() + i * bunch_size;
Squashed commit of the following: commit f9b478181cd49224154cc350fb57df7121842f1c Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Sat Mar 19 04:06:36 2016 +0300 Database engines: development [#METR-19997]. commit f7a10a67761ccfd05f3dac32d6444920cd8d4d60 Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Sat Mar 19 03:44:37 2016 +0300 Database engines: development [#METR-19997]. commit bd98a8558e98bad2bed278e5762c4e0fc66e6f38 Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Sat Mar 19 00:33:59 2016 +0300 Database engines: development [#METR-19997]. commit 19712fd884c22a4e2c2b67474086dea8f44e7c7b Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Sat Mar 19 00:03:11 2016 +0300 Database engines: development [#METR-19997]. commit 50274d6df7e91fcc34aab8a8c72347daa2c6512f Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Fri Mar 18 23:24:57 2016 +0300 Database engines: development [#METR-19997]. commit 4a0b99b19b34e90ef8b7be2d199f6232e36ef3f7 Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Fri Mar 18 22:50:36 2016 +0300 Database engines: development [#METR-19997]. commit 44ff3ebba7a3e460a27a89f31ddf199dbea1d182 Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Fri Mar 18 15:09:17 2016 +0300 Database engines: development [#METR-19997]. commit 137c31f3004cfd282473b6acb01cbe1b4ca2aadd Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Fri Mar 18 03:26:34 2016 +0300 Database engines: development [#METR-19997]. commit aa4c0496d4afe4a691164254be2bd5600542b38a Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Fri Mar 18 03:22:59 2016 +0300 Database engines: development [#METR-19997]. commit 5a94d1f0607450a2dac28a4d7df8b1393a864c23 Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Fri Mar 18 01:02:40 2016 +0300 Database engines: development [#METR-19997]. commit 50fd5b52ea1141955a5dfba0dcb191f3289ac25b Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Thu Mar 17 23:23:40 2016 +0300 Database engines: development [#METR-19997]. commit a333d91b058e4f56dd83a6d2878c3c2bd8efc002 Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Thu Mar 17 20:29:07 2016 +0300 Database engines: development [#METR-19997]. commit f81d366e7ac8348436f2698d040f8e341743a024 Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Thu Mar 17 01:30:23 2016 +0300 Database engines: development [#METR-19997]. commit d0696860c9060827896214c08d147c759ea79376 Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Wed Mar 16 21:55:31 2016 +0300 Database engines: development [#METR-19997]. commit 46a168c2ada140a0e95cd8d4b9d8ba9bac855d11 Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Wed Mar 16 08:00:58 2016 +0300 Database engines: development [#METR-19997]. commit 20a2bad161454225fc1b5f9b919b842fbebc3231 Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Wed Mar 16 06:51:10 2016 +0300 Database engines: development [#METR-19997]. commit ca0a77fcc2a8d0b276eb3743c53551ad3fe16314 Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Wed Mar 16 06:02:20 2016 +0300 Reverted erroneous modification [#METR-19997]. commit 1370bdcc4594182f6ef2b146f9afabfe1c295080 Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Wed Mar 16 00:41:34 2016 +0300 Database engines: development [#METR-19997]. commit 16e72c67041cae6471509d3f0f3d4a9aa7b7dc0f Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Tue Mar 15 00:41:48 2016 +0300 Database engines: development [#METR-19997].
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auto end = (i + 1 == num_bunches)
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? file_names.end()
: (file_names.begin() + (i + 1) * bunch_size);
Squashed commit of the following: commit f9b478181cd49224154cc350fb57df7121842f1c Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Sat Mar 19 04:06:36 2016 +0300 Database engines: development [#METR-19997]. commit f7a10a67761ccfd05f3dac32d6444920cd8d4d60 Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Sat Mar 19 03:44:37 2016 +0300 Database engines: development [#METR-19997]. commit bd98a8558e98bad2bed278e5762c4e0fc66e6f38 Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Sat Mar 19 00:33:59 2016 +0300 Database engines: development [#METR-19997]. commit 19712fd884c22a4e2c2b67474086dea8f44e7c7b Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Sat Mar 19 00:03:11 2016 +0300 Database engines: development [#METR-19997]. commit 50274d6df7e91fcc34aab8a8c72347daa2c6512f Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Fri Mar 18 23:24:57 2016 +0300 Database engines: development [#METR-19997]. commit 4a0b99b19b34e90ef8b7be2d199f6232e36ef3f7 Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Fri Mar 18 22:50:36 2016 +0300 Database engines: development [#METR-19997]. commit 44ff3ebba7a3e460a27a89f31ddf199dbea1d182 Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Fri Mar 18 15:09:17 2016 +0300 Database engines: development [#METR-19997]. commit 137c31f3004cfd282473b6acb01cbe1b4ca2aadd Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Fri Mar 18 03:26:34 2016 +0300 Database engines: development [#METR-19997]. commit aa4c0496d4afe4a691164254be2bd5600542b38a Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Fri Mar 18 03:22:59 2016 +0300 Database engines: development [#METR-19997]. commit 5a94d1f0607450a2dac28a4d7df8b1393a864c23 Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Fri Mar 18 01:02:40 2016 +0300 Database engines: development [#METR-19997]. commit 50fd5b52ea1141955a5dfba0dcb191f3289ac25b Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Thu Mar 17 23:23:40 2016 +0300 Database engines: development [#METR-19997]. commit a333d91b058e4f56dd83a6d2878c3c2bd8efc002 Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Thu Mar 17 20:29:07 2016 +0300 Database engines: development [#METR-19997]. commit f81d366e7ac8348436f2698d040f8e341743a024 Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Thu Mar 17 01:30:23 2016 +0300 Database engines: development [#METR-19997]. commit d0696860c9060827896214c08d147c759ea79376 Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Wed Mar 16 21:55:31 2016 +0300 Database engines: development [#METR-19997]. commit 46a168c2ada140a0e95cd8d4b9d8ba9bac855d11 Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Wed Mar 16 08:00:58 2016 +0300 Database engines: development [#METR-19997]. commit 20a2bad161454225fc1b5f9b919b842fbebc3231 Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Wed Mar 16 06:51:10 2016 +0300 Database engines: development [#METR-19997]. commit ca0a77fcc2a8d0b276eb3743c53551ad3fe16314 Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Wed Mar 16 06:02:20 2016 +0300 Reverted erroneous modification [#METR-19997]. commit 1370bdcc4594182f6ef2b146f9afabfe1c295080 Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Wed Mar 16 00:41:34 2016 +0300 Database engines: development [#METR-19997]. commit 16e72c67041cae6471509d3f0f3d4a9aa7b7dc0f Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Tue Mar 15 00:41:48 2016 +0300 Database engines: development [#METR-19997].
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tasks[i] = std::packaged_task<void()>(std::bind(task_function, begin, end));
if (thread_pool)
thread_pool->schedule([i, &tasks]{ tasks[i](); });
else
tasks[i]();
}
if (thread_pool)
thread_pool->wait();
for (auto & task : tasks)
task.get_future().get();
}
bool DatabaseOrdinary::isTableExist(const String & table_name) const
{
std::lock_guard<std::mutex> lock(mutex);
return tables.count(table_name);
}
StoragePtr DatabaseOrdinary::tryGetTable(const String & table_name)
{
std::lock_guard<std::mutex> lock(mutex);
auto it = tables.find(table_name);
if (it == tables.end())
return {};
return it->second;
}
/// Копирует список таблиц. Таким образом, итерируется по их снапшоту.
class DatabaseOrdinaryIterator : public IDatabaseIterator
{
private:
Tables tables;
Tables::iterator it;
public:
DatabaseOrdinaryIterator(Tables & tables_)
: tables(tables_), it(tables.begin()) {}
void next() override
{
++it;
}
bool isValid() const override
{
return it != tables.end();
}
const String & name() const override
{
return it->first;
}
StoragePtr & table() const
{
return it->second;
}
};
DatabaseIteratorPtr DatabaseOrdinary::getIterator()
{
std::lock_guard<std::mutex> lock(mutex);
return std::make_unique<DatabaseOrdinaryIterator>(tables);
}
bool DatabaseOrdinary::empty() const
{
std::lock_guard<std::mutex> lock(mutex);
return tables.empty();
}
void DatabaseOrdinary::attachTable(const String & table_name, const StoragePtr & table)
{
/// Добавляем таблицу в набор.
std::lock_guard<std::mutex> lock(mutex);
if (!tables.emplace(table_name, table).second)
throw Exception("Table " + name + "." + table_name + " already exists.", ErrorCodes::TABLE_ALREADY_EXISTS);
}
void DatabaseOrdinary::createTable(const String & table_name, const StoragePtr & table, const ASTPtr & query, const String & engine)
{
/// Создаём файл с метаданными, если нужно - если запрос не ATTACH.
/// В него записывается запрос на ATTACH таблицы.
/** Код исходит из допущения, что во всех потоках виден один и тот же порядок действий:
* - создание файла .sql.tmp;
* - добавление таблицы в tables;
* - переименование .sql.tmp в .sql.
*/
/// Был бы возможен race condition, если таблицу с одним именем одновременно создают с помощью CREATE и с помощью ATTACH.
/// Но от него есть защита - см. использование DDLGuard в InterpreterCreateQuery.
Squashed commit of the following: commit f9b478181cd49224154cc350fb57df7121842f1c Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Sat Mar 19 04:06:36 2016 +0300 Database engines: development [#METR-19997]. commit f7a10a67761ccfd05f3dac32d6444920cd8d4d60 Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Sat Mar 19 03:44:37 2016 +0300 Database engines: development [#METR-19997]. commit bd98a8558e98bad2bed278e5762c4e0fc66e6f38 Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Sat Mar 19 00:33:59 2016 +0300 Database engines: development [#METR-19997]. commit 19712fd884c22a4e2c2b67474086dea8f44e7c7b Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Sat Mar 19 00:03:11 2016 +0300 Database engines: development [#METR-19997]. commit 50274d6df7e91fcc34aab8a8c72347daa2c6512f Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Fri Mar 18 23:24:57 2016 +0300 Database engines: development [#METR-19997]. commit 4a0b99b19b34e90ef8b7be2d199f6232e36ef3f7 Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Fri Mar 18 22:50:36 2016 +0300 Database engines: development [#METR-19997]. commit 44ff3ebba7a3e460a27a89f31ddf199dbea1d182 Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Fri Mar 18 15:09:17 2016 +0300 Database engines: development [#METR-19997]. commit 137c31f3004cfd282473b6acb01cbe1b4ca2aadd Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Fri Mar 18 03:26:34 2016 +0300 Database engines: development [#METR-19997]. commit aa4c0496d4afe4a691164254be2bd5600542b38a Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Fri Mar 18 03:22:59 2016 +0300 Database engines: development [#METR-19997]. commit 5a94d1f0607450a2dac28a4d7df8b1393a864c23 Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Fri Mar 18 01:02:40 2016 +0300 Database engines: development [#METR-19997]. commit 50fd5b52ea1141955a5dfba0dcb191f3289ac25b Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Thu Mar 17 23:23:40 2016 +0300 Database engines: development [#METR-19997]. commit a333d91b058e4f56dd83a6d2878c3c2bd8efc002 Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Thu Mar 17 20:29:07 2016 +0300 Database engines: development [#METR-19997]. commit f81d366e7ac8348436f2698d040f8e341743a024 Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Thu Mar 17 01:30:23 2016 +0300 Database engines: development [#METR-19997]. commit d0696860c9060827896214c08d147c759ea79376 Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Wed Mar 16 21:55:31 2016 +0300 Database engines: development [#METR-19997]. commit 46a168c2ada140a0e95cd8d4b9d8ba9bac855d11 Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Wed Mar 16 08:00:58 2016 +0300 Database engines: development [#METR-19997]. commit 20a2bad161454225fc1b5f9b919b842fbebc3231 Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Wed Mar 16 06:51:10 2016 +0300 Database engines: development [#METR-19997]. commit ca0a77fcc2a8d0b276eb3743c53551ad3fe16314 Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Wed Mar 16 06:02:20 2016 +0300 Reverted erroneous modification [#METR-19997]. commit 1370bdcc4594182f6ef2b146f9afabfe1c295080 Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Wed Mar 16 00:41:34 2016 +0300 Database engines: development [#METR-19997]. commit 16e72c67041cae6471509d3f0f3d4a9aa7b7dc0f Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Tue Mar 15 00:41:48 2016 +0300 Database engines: development [#METR-19997].
2016-03-19 01:18:49 +00:00
{
std::lock_guard<std::mutex> lock(mutex);
if (tables.count(table_name))
throw Exception("Table " + name + "." + table_name + " already exists.", ErrorCodes::TABLE_ALREADY_EXISTS);
}
String table_name_escaped = escapeForFileName(table_name);
String table_metadata_tmp_path = path + "/" + table_name_escaped + ".sql.tmp";
String table_metadata_path = path + "/" + table_name_escaped + ".sql";
String statement;
{
statement = getTableDefinitionFromCreateQuery(query);
Squashed commit of the following: commit f9b478181cd49224154cc350fb57df7121842f1c Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Sat Mar 19 04:06:36 2016 +0300 Database engines: development [#METR-19997]. commit f7a10a67761ccfd05f3dac32d6444920cd8d4d60 Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Sat Mar 19 03:44:37 2016 +0300 Database engines: development [#METR-19997]. commit bd98a8558e98bad2bed278e5762c4e0fc66e6f38 Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Sat Mar 19 00:33:59 2016 +0300 Database engines: development [#METR-19997]. commit 19712fd884c22a4e2c2b67474086dea8f44e7c7b Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Sat Mar 19 00:03:11 2016 +0300 Database engines: development [#METR-19997]. commit 50274d6df7e91fcc34aab8a8c72347daa2c6512f Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Fri Mar 18 23:24:57 2016 +0300 Database engines: development [#METR-19997]. commit 4a0b99b19b34e90ef8b7be2d199f6232e36ef3f7 Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Fri Mar 18 22:50:36 2016 +0300 Database engines: development [#METR-19997]. commit 44ff3ebba7a3e460a27a89f31ddf199dbea1d182 Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Fri Mar 18 15:09:17 2016 +0300 Database engines: development [#METR-19997]. commit 137c31f3004cfd282473b6acb01cbe1b4ca2aadd Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Fri Mar 18 03:26:34 2016 +0300 Database engines: development [#METR-19997]. commit aa4c0496d4afe4a691164254be2bd5600542b38a Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Fri Mar 18 03:22:59 2016 +0300 Database engines: development [#METR-19997]. commit 5a94d1f0607450a2dac28a4d7df8b1393a864c23 Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Fri Mar 18 01:02:40 2016 +0300 Database engines: development [#METR-19997]. commit 50fd5b52ea1141955a5dfba0dcb191f3289ac25b Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Thu Mar 17 23:23:40 2016 +0300 Database engines: development [#METR-19997]. commit a333d91b058e4f56dd83a6d2878c3c2bd8efc002 Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Thu Mar 17 20:29:07 2016 +0300 Database engines: development [#METR-19997]. commit f81d366e7ac8348436f2698d040f8e341743a024 Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Thu Mar 17 01:30:23 2016 +0300 Database engines: development [#METR-19997]. commit d0696860c9060827896214c08d147c759ea79376 Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Wed Mar 16 21:55:31 2016 +0300 Database engines: development [#METR-19997]. commit 46a168c2ada140a0e95cd8d4b9d8ba9bac855d11 Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Wed Mar 16 08:00:58 2016 +0300 Database engines: development [#METR-19997]. commit 20a2bad161454225fc1b5f9b919b842fbebc3231 Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Wed Mar 16 06:51:10 2016 +0300 Database engines: development [#METR-19997]. commit ca0a77fcc2a8d0b276eb3743c53551ad3fe16314 Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Wed Mar 16 06:02:20 2016 +0300 Reverted erroneous modification [#METR-19997]. commit 1370bdcc4594182f6ef2b146f9afabfe1c295080 Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Wed Mar 16 00:41:34 2016 +0300 Database engines: development [#METR-19997]. commit 16e72c67041cae6471509d3f0f3d4a9aa7b7dc0f Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Tue Mar 15 00:41:48 2016 +0300 Database engines: development [#METR-19997].
2016-03-19 01:18:49 +00:00
/// Гарантирует, что таблица не создаётся прямо сейчас.
WriteBufferFromFile out(table_metadata_tmp_path, statement.size(), O_WRONLY | O_CREAT | O_EXCL);
writeString(statement, out);
out.next();
out.sync();
out.close();
}
try
{
/// Добавляем таблицу в набор.
{
std::lock_guard<std::mutex> lock(mutex);
if (!tables.emplace(table_name, table).second)
throw Exception("Table " + name + "." + table_name + " already exists.", ErrorCodes::TABLE_ALREADY_EXISTS);
}
/// Если запрос ATTACH, и метаданные таблицы уже существуют
/// (то есть, ATTACH сделан после DETACH), то rename атомарно заменяет старый файл новым.
Poco::File(table_metadata_tmp_path).renameTo(table_metadata_path);
}
catch (...)
{
Poco::File(table_metadata_tmp_path).remove();
throw;
}
}
StoragePtr DatabaseOrdinary::detachTable(const String & table_name)
{
StoragePtr res;
{
std::lock_guard<std::mutex> lock(mutex);
auto it = tables.find(table_name);
if (it == tables.end())
throw Exception("Table " + name + "." + table_name + " doesn't exist.", ErrorCodes::TABLE_ALREADY_EXISTS);
res = it->second;
tables.erase(it);
}
return res;
}
void DatabaseOrdinary::removeTable(const String & table_name)
Squashed commit of the following: commit f9b478181cd49224154cc350fb57df7121842f1c Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Sat Mar 19 04:06:36 2016 +0300 Database engines: development [#METR-19997]. commit f7a10a67761ccfd05f3dac32d6444920cd8d4d60 Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Sat Mar 19 03:44:37 2016 +0300 Database engines: development [#METR-19997]. commit bd98a8558e98bad2bed278e5762c4e0fc66e6f38 Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Sat Mar 19 00:33:59 2016 +0300 Database engines: development [#METR-19997]. commit 19712fd884c22a4e2c2b67474086dea8f44e7c7b Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Sat Mar 19 00:03:11 2016 +0300 Database engines: development [#METR-19997]. commit 50274d6df7e91fcc34aab8a8c72347daa2c6512f Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Fri Mar 18 23:24:57 2016 +0300 Database engines: development [#METR-19997]. commit 4a0b99b19b34e90ef8b7be2d199f6232e36ef3f7 Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Fri Mar 18 22:50:36 2016 +0300 Database engines: development [#METR-19997]. commit 44ff3ebba7a3e460a27a89f31ddf199dbea1d182 Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Fri Mar 18 15:09:17 2016 +0300 Database engines: development [#METR-19997]. commit 137c31f3004cfd282473b6acb01cbe1b4ca2aadd Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Fri Mar 18 03:26:34 2016 +0300 Database engines: development [#METR-19997]. commit aa4c0496d4afe4a691164254be2bd5600542b38a Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Fri Mar 18 03:22:59 2016 +0300 Database engines: development [#METR-19997]. commit 5a94d1f0607450a2dac28a4d7df8b1393a864c23 Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Fri Mar 18 01:02:40 2016 +0300 Database engines: development [#METR-19997]. commit 50fd5b52ea1141955a5dfba0dcb191f3289ac25b Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Thu Mar 17 23:23:40 2016 +0300 Database engines: development [#METR-19997]. commit a333d91b058e4f56dd83a6d2878c3c2bd8efc002 Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Thu Mar 17 20:29:07 2016 +0300 Database engines: development [#METR-19997]. commit f81d366e7ac8348436f2698d040f8e341743a024 Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Thu Mar 17 01:30:23 2016 +0300 Database engines: development [#METR-19997]. commit d0696860c9060827896214c08d147c759ea79376 Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Wed Mar 16 21:55:31 2016 +0300 Database engines: development [#METR-19997]. commit 46a168c2ada140a0e95cd8d4b9d8ba9bac855d11 Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Wed Mar 16 08:00:58 2016 +0300 Database engines: development [#METR-19997]. commit 20a2bad161454225fc1b5f9b919b842fbebc3231 Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Wed Mar 16 06:51:10 2016 +0300 Database engines: development [#METR-19997]. commit ca0a77fcc2a8d0b276eb3743c53551ad3fe16314 Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Wed Mar 16 06:02:20 2016 +0300 Reverted erroneous modification [#METR-19997]. commit 1370bdcc4594182f6ef2b146f9afabfe1c295080 Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Wed Mar 16 00:41:34 2016 +0300 Database engines: development [#METR-19997]. commit 16e72c67041cae6471509d3f0f3d4a9aa7b7dc0f Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Tue Mar 15 00:41:48 2016 +0300 Database engines: development [#METR-19997].
2016-03-19 01:18:49 +00:00
{
StoragePtr res = detachTable(table_name);
String table_name_escaped = escapeForFileName(table_name);
String table_metadata_path = path + "/" + table_name_escaped + ".sql";
try
{
Poco::File(table_metadata_path).remove();
}
catch (...)
{
attachTable(table_name, res);
throw;
}
}
static ASTPtr getCreateQueryImpl(const String & path, const String & table_name)
{
String table_name_escaped = escapeForFileName(table_name);
String table_metadata_path = path + "/" + table_name_escaped + ".sql";
String query;
{
ReadBufferFromFile in(table_metadata_path, 4096);
WriteBufferFromString out(query);
copyData(in, out);
}
ParserCreateQuery parser;
return parseQuery(parser, query.data(), query.data() + query.size(), "in file " + table_metadata_path);
}
void DatabaseOrdinary::renameTable(
const Context & context, const String & table_name, IDatabase & to_database, const String & to_table_name)
{
DatabaseOrdinary * to_database_concrete = typeid_cast<DatabaseOrdinary *>(&to_database);
if (!to_database_concrete)
throw Exception("Moving tables between databases of different engines is not supported", ErrorCodes::NOT_IMPLEMENTED);
StoragePtr table = tryGetTable(table_name);
if (!table)
throw Exception("Table " + name + "." + table_name + " doesn't exist.", ErrorCodes::TABLE_ALREADY_EXISTS);
/// Уведомляем таблицу о том, что она переименовывается. Если таблица не поддерживает переименование - кинется исключение.
try
{
table->rename(context.getPath() + "/data/" + escapeForFileName(to_database_concrete->name) + "/",
to_database_concrete->name,
to_table_name);
}
catch (const Poco::Exception & e)
{
/// Более хорошая диагностика.
throw Exception{e};
}
ASTPtr ast = getCreateQueryImpl(path, table_name);
ASTCreateQuery & ast_create_query = typeid_cast<ASTCreateQuery &>(*ast);
ast_create_query.table = to_table_name;
/// NOTE Неатомарно.
to_database_concrete->createTable(to_table_name, table, ast, table->getName());
removeTable(table_name);
}
ASTPtr DatabaseOrdinary::getCreateQuery(const String & table_name) const
{
ASTPtr ast = getCreateQueryImpl(path, table_name);
ASTCreateQuery & ast_create_query = typeid_cast<ASTCreateQuery &>(*ast);
ast_create_query.attach = false;
ast_create_query.database = name;
return ast;
}
void DatabaseOrdinary::shutdown()
{
/// Нельзя удерживать блокировку во время shutdown.
/// Потому что таблицы могут внутри функции shutdown работать с БД, а mutex не рекурсивный.
for (auto iterator = getIterator(); iterator->isValid(); iterator->next())
iterator->table()->shutdown();
Squashed commit of the following: commit f9b478181cd49224154cc350fb57df7121842f1c Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Sat Mar 19 04:06:36 2016 +0300 Database engines: development [#METR-19997]. commit f7a10a67761ccfd05f3dac32d6444920cd8d4d60 Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Sat Mar 19 03:44:37 2016 +0300 Database engines: development [#METR-19997]. commit bd98a8558e98bad2bed278e5762c4e0fc66e6f38 Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Sat Mar 19 00:33:59 2016 +0300 Database engines: development [#METR-19997]. commit 19712fd884c22a4e2c2b67474086dea8f44e7c7b Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Sat Mar 19 00:03:11 2016 +0300 Database engines: development [#METR-19997]. commit 50274d6df7e91fcc34aab8a8c72347daa2c6512f Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Fri Mar 18 23:24:57 2016 +0300 Database engines: development [#METR-19997]. commit 4a0b99b19b34e90ef8b7be2d199f6232e36ef3f7 Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Fri Mar 18 22:50:36 2016 +0300 Database engines: development [#METR-19997]. commit 44ff3ebba7a3e460a27a89f31ddf199dbea1d182 Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Fri Mar 18 15:09:17 2016 +0300 Database engines: development [#METR-19997]. commit 137c31f3004cfd282473b6acb01cbe1b4ca2aadd Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Fri Mar 18 03:26:34 2016 +0300 Database engines: development [#METR-19997]. commit aa4c0496d4afe4a691164254be2bd5600542b38a Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Fri Mar 18 03:22:59 2016 +0300 Database engines: development [#METR-19997]. commit 5a94d1f0607450a2dac28a4d7df8b1393a864c23 Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Fri Mar 18 01:02:40 2016 +0300 Database engines: development [#METR-19997]. commit 50fd5b52ea1141955a5dfba0dcb191f3289ac25b Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Thu Mar 17 23:23:40 2016 +0300 Database engines: development [#METR-19997]. commit a333d91b058e4f56dd83a6d2878c3c2bd8efc002 Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Thu Mar 17 20:29:07 2016 +0300 Database engines: development [#METR-19997]. commit f81d366e7ac8348436f2698d040f8e341743a024 Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Thu Mar 17 01:30:23 2016 +0300 Database engines: development [#METR-19997]. commit d0696860c9060827896214c08d147c759ea79376 Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Wed Mar 16 21:55:31 2016 +0300 Database engines: development [#METR-19997]. commit 46a168c2ada140a0e95cd8d4b9d8ba9bac855d11 Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Wed Mar 16 08:00:58 2016 +0300 Database engines: development [#METR-19997]. commit 20a2bad161454225fc1b5f9b919b842fbebc3231 Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Wed Mar 16 06:51:10 2016 +0300 Database engines: development [#METR-19997]. commit ca0a77fcc2a8d0b276eb3743c53551ad3fe16314 Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Wed Mar 16 06:02:20 2016 +0300 Reverted erroneous modification [#METR-19997]. commit 1370bdcc4594182f6ef2b146f9afabfe1c295080 Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Wed Mar 16 00:41:34 2016 +0300 Database engines: development [#METR-19997]. commit 16e72c67041cae6471509d3f0f3d4a9aa7b7dc0f Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Tue Mar 15 00:41:48 2016 +0300 Database engines: development [#METR-19997].
2016-03-19 01:18:49 +00:00
std::lock_guard<std::mutex> lock(mutex);
Squashed commit of the following: commit f9b478181cd49224154cc350fb57df7121842f1c Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Sat Mar 19 04:06:36 2016 +0300 Database engines: development [#METR-19997]. commit f7a10a67761ccfd05f3dac32d6444920cd8d4d60 Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Sat Mar 19 03:44:37 2016 +0300 Database engines: development [#METR-19997]. commit bd98a8558e98bad2bed278e5762c4e0fc66e6f38 Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Sat Mar 19 00:33:59 2016 +0300 Database engines: development [#METR-19997]. commit 19712fd884c22a4e2c2b67474086dea8f44e7c7b Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Sat Mar 19 00:03:11 2016 +0300 Database engines: development [#METR-19997]. commit 50274d6df7e91fcc34aab8a8c72347daa2c6512f Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Fri Mar 18 23:24:57 2016 +0300 Database engines: development [#METR-19997]. commit 4a0b99b19b34e90ef8b7be2d199f6232e36ef3f7 Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Fri Mar 18 22:50:36 2016 +0300 Database engines: development [#METR-19997]. commit 44ff3ebba7a3e460a27a89f31ddf199dbea1d182 Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Fri Mar 18 15:09:17 2016 +0300 Database engines: development [#METR-19997]. commit 137c31f3004cfd282473b6acb01cbe1b4ca2aadd Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Fri Mar 18 03:26:34 2016 +0300 Database engines: development [#METR-19997]. commit aa4c0496d4afe4a691164254be2bd5600542b38a Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Fri Mar 18 03:22:59 2016 +0300 Database engines: development [#METR-19997]. commit 5a94d1f0607450a2dac28a4d7df8b1393a864c23 Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Fri Mar 18 01:02:40 2016 +0300 Database engines: development [#METR-19997]. commit 50fd5b52ea1141955a5dfba0dcb191f3289ac25b Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Thu Mar 17 23:23:40 2016 +0300 Database engines: development [#METR-19997]. commit a333d91b058e4f56dd83a6d2878c3c2bd8efc002 Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Thu Mar 17 20:29:07 2016 +0300 Database engines: development [#METR-19997]. commit f81d366e7ac8348436f2698d040f8e341743a024 Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Thu Mar 17 01:30:23 2016 +0300 Database engines: development [#METR-19997]. commit d0696860c9060827896214c08d147c759ea79376 Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Wed Mar 16 21:55:31 2016 +0300 Database engines: development [#METR-19997]. commit 46a168c2ada140a0e95cd8d4b9d8ba9bac855d11 Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Wed Mar 16 08:00:58 2016 +0300 Database engines: development [#METR-19997]. commit 20a2bad161454225fc1b5f9b919b842fbebc3231 Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Wed Mar 16 06:51:10 2016 +0300 Database engines: development [#METR-19997]. commit ca0a77fcc2a8d0b276eb3743c53551ad3fe16314 Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Wed Mar 16 06:02:20 2016 +0300 Reverted erroneous modification [#METR-19997]. commit 1370bdcc4594182f6ef2b146f9afabfe1c295080 Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Wed Mar 16 00:41:34 2016 +0300 Database engines: development [#METR-19997]. commit 16e72c67041cae6471509d3f0f3d4a9aa7b7dc0f Author: Alexey Milovidov <milovidov@yandex-team.ru> Date: Tue Mar 15 00:41:48 2016 +0300 Database engines: development [#METR-19997].
2016-03-19 01:18:49 +00:00
tables.clear();
}
}