2016-10-25 06:49:24 +00:00
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#include <sys/stat.h>
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#include <sys/types.h>
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2018-05-09 04:22:30 +00:00
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#include <errno.h>
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2016-10-25 06:49:24 +00:00
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2012-06-25 00:17:19 +00:00
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#include <map>
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2020-09-18 19:25:56 +00:00
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#include <cassert>
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2015-01-25 05:07:51 +00:00
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#include <Poco/Util/XMLConfiguration.h>
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2012-06-25 00:17:19 +00:00
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2017-04-01 09:19:00 +00:00
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#include <Common/escapeForFileName.h>
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#include <Common/Exception.h>
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2019-12-23 16:57:16 +00:00
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#include <Common/typeid_cast.h>
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2012-06-25 00:17:19 +00:00
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2020-02-14 14:28:33 +00:00
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#include <IO/ReadBufferFromFileBase.h>
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2020-02-20 16:39:32 +00:00
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#include <IO/WriteBufferFromFileBase.h>
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2019-12-23 16:57:16 +00:00
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#include <Compression/CompressionFactory.h>
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2018-12-28 18:15:26 +00:00
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#include <Compression/CompressedReadBuffer.h>
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#include <Compression/CompressedWriteBuffer.h>
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2017-04-01 09:19:00 +00:00
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#include <IO/ReadHelpers.h>
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#include <IO/WriteHelpers.h>
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2012-06-25 00:17:19 +00:00
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2017-12-25 18:58:39 +00:00
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#include <DataTypes/NestedUtils.h>
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2012-08-29 18:49:54 +00:00
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2019-01-23 14:48:50 +00:00
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#include <DataStreams/IBlockInputStream.h>
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2017-04-01 09:19:00 +00:00
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#include <DataStreams/IBlockOutputStream.h>
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2015-01-18 08:25:56 +00:00
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2017-04-01 09:19:00 +00:00
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#include <Columns/ColumnArray.h>
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2012-08-29 18:49:54 +00:00
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2017-05-24 21:06:29 +00:00
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#include <Interpreters/Context.h>
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2017-01-21 04:24:28 +00:00
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2020-02-14 14:28:33 +00:00
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#include <Interpreters/evaluateConstantExpression.h>
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#include <Parsers/ASTLiteral.h>
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2019-07-03 13:17:19 +00:00
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#include <Storages/CheckResults.h>
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2020-02-14 14:28:33 +00:00
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#include <Storages/StorageFactory.h>
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#include <Storages/StorageTinyLog.h>
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2020-02-18 14:41:30 +00:00
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#include "StorageLogSettings.h"
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2017-12-30 00:36:06 +00:00
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2020-02-17 14:45:10 +00:00
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#include <Processors/Sources/SourceWithProgress.h>
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#include <Processors/Pipe.h>
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2017-12-30 00:36:06 +00:00
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2017-07-27 23:23:13 +00:00
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#define DBMS_STORAGE_LOG_DATA_FILE_EXTENSION ".bin"
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2012-06-25 00:17:19 +00:00
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namespace DB
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{
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2016-01-11 21:46:36 +00:00
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namespace ErrorCodes
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{
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2017-04-01 07:20:54 +00:00
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extern const int DUPLICATE_COLUMN;
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2017-11-03 19:53:10 +00:00
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extern const int INCORRECT_FILE_NAME;
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2017-12-30 00:36:06 +00:00
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extern const int NUMBER_OF_ARGUMENTS_DOESNT_MATCH;
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2016-01-11 21:46:36 +00:00
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}
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2012-06-25 00:17:19 +00:00
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2020-02-17 14:45:10 +00:00
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class TinyLogSource final : public SourceWithProgress
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2012-06-25 00:17:19 +00:00
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{
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2015-01-18 08:25:56 +00:00
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public:
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2020-02-17 14:45:10 +00:00
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static Block getHeader(const NamesAndTypesList & columns)
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2018-01-09 01:51:08 +00:00
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{
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Block res;
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for (const auto & name_type : columns)
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res.insert({ name_type.type->createColumn(), name_type.type, name_type.name });
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2018-02-17 03:49:34 +00:00
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return Nested::flatten(res);
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2018-08-10 04:02:56 +00:00
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}
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2018-01-06 18:10:44 +00:00
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2020-02-17 14:45:10 +00:00
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TinyLogSource(size_t block_size_, const NamesAndTypesList & columns_, StorageTinyLog & storage_, size_t max_read_buffer_size_)
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: SourceWithProgress(getHeader(columns_))
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, block_size(block_size_), columns(columns_), storage(storage_), lock(storage_.rwlock)
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, max_read_buffer_size(max_read_buffer_size_) {}
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String getName() const override { return "TinyLog"; }
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2015-01-18 08:25:56 +00:00
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protected:
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2020-02-17 14:45:10 +00:00
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Chunk generate() override;
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2020-02-18 07:53:16 +00:00
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2015-01-18 08:25:56 +00:00
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private:
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2017-04-01 07:20:54 +00:00
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size_t block_size;
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2018-01-02 06:13:22 +00:00
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NamesAndTypesList columns;
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2017-04-01 07:20:54 +00:00
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StorageTinyLog & storage;
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2019-07-30 17:38:22 +00:00
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std::shared_lock<std::shared_mutex> lock;
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2020-02-18 07:53:16 +00:00
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bool is_finished = false;
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2017-04-01 07:20:54 +00:00
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size_t max_read_buffer_size;
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struct Stream
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{
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2019-12-23 16:57:16 +00:00
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Stream(const DiskPtr & disk, const String & data_path, size_t max_read_buffer_size_)
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2019-12-26 14:28:22 +00:00
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: plain(disk->readFile(data_path, std::min(max_read_buffer_size_, disk->getFileSize(data_path)))),
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2019-12-12 08:57:25 +00:00
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compressed(*plain)
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2017-04-01 07:20:54 +00:00
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{
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}
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2019-12-12 08:57:25 +00:00
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std::unique_ptr<ReadBuffer> plain;
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2017-04-01 07:20:54 +00:00
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CompressedReadBuffer compressed;
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};
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2019-12-12 08:57:25 +00:00
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using FileStreams = std::map<String, std::unique_ptr<Stream>>;
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2017-04-01 07:20:54 +00:00
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FileStreams streams;
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2018-06-07 18:14:37 +00:00
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using DeserializeState = IDataType::DeserializeBinaryBulkStatePtr;
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using DeserializeStates = std::map<String, DeserializeState>;
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DeserializeStates deserialize_states;
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2019-02-10 15:17:45 +00:00
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void readData(const String & name, const IDataType & type, IColumn & column, UInt64 limit);
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2015-01-18 08:25:56 +00:00
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};
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2017-09-08 04:58:57 +00:00
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class TinyLogBlockOutputStream final : public IBlockOutputStream
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2015-01-18 08:25:56 +00:00
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{
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public:
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2020-06-16 15:51:29 +00:00
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explicit TinyLogBlockOutputStream(StorageTinyLog & storage_, const StorageMetadataPtr & metadata_snapshot_)
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: storage(storage_), metadata_snapshot(metadata_snapshot_), lock(storage_.rwlock)
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2017-04-01 07:20:54 +00:00
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{
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}
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~TinyLogBlockOutputStream() override
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{
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try
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{
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2020-07-12 02:31:58 +00:00
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if (!done)
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{
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/// Rollback partial writes.
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streams.clear();
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storage.file_checker.repair();
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}
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2017-04-01 07:20:54 +00:00
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}
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catch (...)
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{
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tryLogCurrentException(__PRETTY_FUNCTION__);
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}
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}
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2020-06-16 15:51:29 +00:00
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Block getHeader() const override { return metadata_snapshot->getSampleBlock(); }
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2018-02-19 00:45:32 +00:00
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2017-04-01 07:20:54 +00:00
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void write(const Block & block) override;
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void writeSuffix() override;
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2015-04-02 23:58:26 +00:00
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2015-01-18 08:25:56 +00:00
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private:
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2017-04-01 07:20:54 +00:00
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StorageTinyLog & storage;
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2020-06-16 15:51:29 +00:00
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StorageMetadataPtr metadata_snapshot;
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2019-07-30 17:38:22 +00:00
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std::unique_lock<std::shared_mutex> lock;
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2017-04-01 07:20:54 +00:00
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bool done = false;
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struct Stream
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{
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2019-12-12 08:57:25 +00:00
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Stream(const DiskPtr & disk, const String & data_path, CompressionCodecPtr codec, size_t max_compress_block_size) :
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2019-12-26 14:28:22 +00:00
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plain(disk->writeFile(data_path, max_compress_block_size, WriteMode::Append)),
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2019-12-12 08:57:25 +00:00
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compressed(*plain, std::move(codec), max_compress_block_size)
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2017-04-01 07:20:54 +00:00
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{
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}
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2019-12-12 08:57:25 +00:00
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std::unique_ptr<WriteBuffer> plain;
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2017-04-01 07:20:54 +00:00
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CompressedWriteBuffer compressed;
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void finalize()
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{
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compressed.next();
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2020-01-10 21:42:26 +00:00
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plain->finalize();
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2017-04-01 07:20:54 +00:00
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}
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};
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2019-12-12 08:57:25 +00:00
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using FileStreams = std::map<String, std::unique_ptr<Stream>>;
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2017-04-01 07:20:54 +00:00
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FileStreams streams;
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2018-06-07 18:14:37 +00:00
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using SerializeState = IDataType::SerializeBinaryBulkStatePtr;
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using SerializeStates = std::map<String, SerializeState>;
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SerializeStates serialize_states;
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2019-12-12 08:57:25 +00:00
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using WrittenStreams = std::set<String>;
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2017-04-01 07:20:54 +00:00
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2018-06-07 18:14:37 +00:00
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IDataType::OutputStreamGetter createStreamGetter(const String & name, WrittenStreams & written_streams);
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2017-08-07 07:31:16 +00:00
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void writeData(const String & name, const IDataType & type, const IColumn & column, WrittenStreams & written_streams);
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2015-01-18 08:25:56 +00:00
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};
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2012-06-25 00:17:19 +00:00
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2020-02-17 14:45:10 +00:00
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Chunk TinyLogSource::generate()
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2012-06-25 00:17:19 +00:00
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{
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2017-04-01 07:20:54 +00:00
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Block res;
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2020-02-18 07:53:16 +00:00
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if (is_finished || (!streams.empty() && streams.begin()->second->compressed.eof()))
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2017-04-01 07:20:54 +00:00
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{
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/** Close the files (before destroying the object).
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* When many sources are created, but simultaneously reading only a few of them,
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* buffers don't waste memory.
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*/
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2020-02-18 07:53:16 +00:00
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is_finished = true;
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2017-04-01 07:20:54 +00:00
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streams.clear();
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2020-02-17 14:45:10 +00:00
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return {};
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2017-04-01 07:20:54 +00:00
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}
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2019-12-31 00:41:03 +00:00
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/// if there are no files in the folder, it means that the table is empty
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2019-12-12 08:57:25 +00:00
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if (storage.disk->isDirectoryEmpty(storage.table_path))
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2020-02-17 14:45:10 +00:00
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return {};
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2017-04-01 07:20:54 +00:00
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2018-01-02 06:13:22 +00:00
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for (const auto & name_type : columns)
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2017-04-01 07:20:54 +00:00
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{
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2018-01-02 09:11:13 +00:00
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MutableColumnPtr column = name_type.type->createColumn();
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2017-04-01 07:20:54 +00:00
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try
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{
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2018-01-02 09:11:13 +00:00
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readData(name_type.name, *name_type.type, *column, block_size);
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2017-04-01 07:20:54 +00:00
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}
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catch (Exception & e)
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{
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2019-12-12 08:57:25 +00:00
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e.addMessage("while reading column " + name_type.name + " at " + fullPath(storage.disk, storage.table_path));
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2017-04-01 07:20:54 +00:00
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throw;
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}
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2020-02-17 14:45:10 +00:00
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if (!column->empty())
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2018-01-02 06:13:22 +00:00
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res.insert(ColumnWithTypeAndName(std::move(column), name_type.type, name_type.name));
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2017-04-01 07:20:54 +00:00
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}
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if (!res || streams.begin()->second->compressed.eof())
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{
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2020-02-18 07:53:16 +00:00
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is_finished = true;
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2017-04-01 07:20:54 +00:00
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streams.clear();
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}
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2020-02-17 14:45:10 +00:00
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auto flatten = Nested::flatten(res);
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return Chunk(flatten.getColumns(), flatten.rows());
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2012-06-25 00:17:19 +00:00
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}
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2020-02-17 14:45:10 +00:00
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void TinyLogSource::readData(const String & name, const IDataType & type, IColumn & column, UInt64 limit)
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2012-08-29 18:49:54 +00:00
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{
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2018-06-07 18:14:37 +00:00
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IDataType::DeserializeBinaryBulkSettings settings; /// TODO Use avg_value_size_hint.
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settings.getter = [&] (const IDataType::SubstreamPath & path) -> ReadBuffer *
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2017-04-01 07:20:54 +00:00
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{
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2017-08-07 07:31:16 +00:00
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String stream_name = IDataType::getFileNameForStream(name, path);
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2017-04-01 07:20:54 +00:00
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2017-08-07 07:31:16 +00:00
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if (!streams.count(stream_name))
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2019-12-25 08:24:13 +00:00
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streams[stream_name] = std::make_unique<Stream>(storage.disk, storage.files[stream_name].data_file_path, max_read_buffer_size);
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2017-04-01 07:20:54 +00:00
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2017-08-07 07:31:16 +00:00
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return &streams[stream_name]->compressed;
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};
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2017-04-01 07:20:54 +00:00
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2018-06-07 18:14:37 +00:00
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if (deserialize_states.count(name) == 0)
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type.deserializeBinaryBulkStatePrefix(settings, deserialize_states[name]);
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type.deserializeBinaryBulkWithMultipleStreams(column, limit, settings, deserialize_states[name]);
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2012-08-29 18:49:54 +00:00
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}
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2020-06-17 16:39:58 +00:00
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IDataType::OutputStreamGetter TinyLogBlockOutputStream::createStreamGetter(
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const String & name,
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WrittenStreams & written_streams)
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2012-08-29 18:49:54 +00:00
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{
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2018-06-07 18:14:37 +00:00
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return [&] (const IDataType::SubstreamPath & path) -> WriteBuffer *
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2017-04-01 07:20:54 +00:00
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{
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2017-08-07 07:31:16 +00:00
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String stream_name = IDataType::getFileNameForStream(name, path);
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2017-04-01 07:20:54 +00:00
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2018-01-02 09:11:13 +00:00
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if (!written_streams.insert(stream_name).second)
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return nullptr;
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2020-06-17 16:39:58 +00:00
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const auto & columns = metadata_snapshot->getColumns();
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2017-08-07 07:31:16 +00:00
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if (!streams.count(stream_name))
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2020-06-17 16:39:58 +00:00
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streams[stream_name] = std::make_unique<Stream>(
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storage.disk,
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storage.files[stream_name].data_file_path,
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columns.getCodecOrDefault(name),
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storage.max_compress_block_size);
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2017-04-01 07:20:54 +00:00
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2017-08-07 07:31:16 +00:00
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return &streams[stream_name]->compressed;
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};
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2018-06-07 18:14:37 +00:00
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}
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void TinyLogBlockOutputStream::writeData(const String & name, const IDataType & type, const IColumn & column, WrittenStreams & written_streams)
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{
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|
|
IDataType::SerializeBinaryBulkSettings settings;
|
|
|
|
settings.getter = createStreamGetter(name, written_streams);
|
|
|
|
|
|
|
|
if (serialize_states.count(name) == 0)
|
|
|
|
type.serializeBinaryBulkStatePrefix(settings, serialize_states[name]);
|
2017-04-01 07:20:54 +00:00
|
|
|
|
2018-06-07 18:14:37 +00:00
|
|
|
type.serializeBinaryBulkWithMultipleStreams(column, 0, 0, settings, serialize_states[name]);
|
2012-06-25 00:17:19 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
|
2013-09-15 01:40:29 +00:00
|
|
|
void TinyLogBlockOutputStream::writeSuffix()
|
|
|
|
{
|
2017-04-01 07:20:54 +00:00
|
|
|
if (done)
|
|
|
|
return;
|
2015-04-02 23:58:26 +00:00
|
|
|
|
2018-07-07 19:02:10 +00:00
|
|
|
/// If nothing was written - leave the table in initial state.
|
|
|
|
if (streams.empty())
|
2020-07-12 02:31:58 +00:00
|
|
|
{
|
|
|
|
done = true;
|
2018-07-07 19:02:10 +00:00
|
|
|
return;
|
2020-07-12 02:31:58 +00:00
|
|
|
}
|
2018-07-07 19:02:10 +00:00
|
|
|
|
2018-06-07 18:14:37 +00:00
|
|
|
WrittenStreams written_streams;
|
|
|
|
IDataType::SerializeBinaryBulkSettings settings;
|
|
|
|
for (const auto & column : getHeader())
|
|
|
|
{
|
|
|
|
auto it = serialize_states.find(column.name);
|
|
|
|
if (it != serialize_states.end())
|
|
|
|
{
|
|
|
|
settings.getter = createStreamGetter(column.name, written_streams);
|
|
|
|
column.type->serializeBinaryBulkStateSuffix(settings, it->second);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2017-04-01 07:20:54 +00:00
|
|
|
/// Finish write.
|
2017-12-11 18:19:35 +00:00
|
|
|
for (auto & stream : streams)
|
|
|
|
stream.second->finalize();
|
2014-07-31 19:19:56 +00:00
|
|
|
|
2019-12-12 08:57:25 +00:00
|
|
|
Strings column_files;
|
2017-04-01 07:20:54 +00:00
|
|
|
for (auto & pair : streams)
|
2019-12-25 08:24:13 +00:00
|
|
|
column_files.push_back(storage.files[pair.first].data_file_path);
|
2014-08-01 13:19:27 +00:00
|
|
|
|
2020-07-12 02:31:58 +00:00
|
|
|
for (const auto & file : column_files)
|
|
|
|
storage.file_checker.update(file);
|
|
|
|
storage.file_checker.save();
|
2013-09-15 01:40:29 +00:00
|
|
|
|
2017-04-01 07:20:54 +00:00
|
|
|
streams.clear();
|
2020-07-12 02:31:58 +00:00
|
|
|
done = true;
|
2013-09-15 01:40:29 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
|
2012-06-25 00:17:19 +00:00
|
|
|
void TinyLogBlockOutputStream::write(const Block & block)
|
|
|
|
{
|
2020-06-17 14:32:25 +00:00
|
|
|
metadata_snapshot->check(block, true);
|
2014-06-26 00:58:14 +00:00
|
|
|
|
2017-08-07 07:31:16 +00:00
|
|
|
/// The set of written offset columns so that you do not write shared columns for nested structures multiple times
|
|
|
|
WrittenStreams written_streams;
|
2012-06-25 00:17:19 +00:00
|
|
|
|
2017-04-01 07:20:54 +00:00
|
|
|
for (size_t i = 0; i < block.columns(); ++i)
|
|
|
|
{
|
|
|
|
const ColumnWithTypeAndName & column = block.safeGetByPosition(i);
|
2017-08-07 07:31:16 +00:00
|
|
|
writeData(column.name, *column.type, *column.column, written_streams);
|
2017-04-01 07:20:54 +00:00
|
|
|
}
|
2012-06-25 00:17:19 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
|
2014-09-30 03:08:47 +00:00
|
|
|
StorageTinyLog::StorageTinyLog(
|
2019-12-12 08:57:25 +00:00
|
|
|
DiskPtr disk_,
|
2019-12-26 14:03:32 +00:00
|
|
|
const String & relative_path_,
|
2019-12-04 16:06:55 +00:00
|
|
|
const StorageID & table_id_,
|
2018-03-06 20:18:34 +00:00
|
|
|
const ColumnsDescription & columns_,
|
2019-08-24 21:20:20 +00:00
|
|
|
const ConstraintsDescription & constraints_,
|
2017-04-01 07:20:54 +00:00
|
|
|
bool attach,
|
|
|
|
size_t max_compress_block_size_)
|
2019-12-04 16:06:55 +00:00
|
|
|
: IStorage(table_id_)
|
2020-01-13 11:41:42 +00:00
|
|
|
, disk(std::move(disk_))
|
|
|
|
, table_path(relative_path_)
|
2019-12-04 16:06:55 +00:00
|
|
|
, max_compress_block_size(max_compress_block_size_)
|
2020-01-13 11:41:42 +00:00
|
|
|
, file_checker(disk, table_path + "sizes.json")
|
2020-05-30 21:57:37 +00:00
|
|
|
, log(&Poco::Logger::get("StorageTinyLog"))
|
2012-06-25 00:17:19 +00:00
|
|
|
{
|
2020-06-19 15:39:41 +00:00
|
|
|
StorageInMemoryMetadata storage_metadata;
|
|
|
|
storage_metadata.setColumns(columns_);
|
|
|
|
storage_metadata.setConstraints(constraints_);
|
|
|
|
setInMemoryMetadata(storage_metadata);
|
2019-08-24 21:20:20 +00:00
|
|
|
|
2019-10-25 19:07:47 +00:00
|
|
|
if (relative_path_.empty())
|
2017-11-03 19:53:10 +00:00
|
|
|
throw Exception("Storage " + getName() + " requires data path", ErrorCodes::INCORRECT_FILE_NAME);
|
2017-04-01 07:20:54 +00:00
|
|
|
|
|
|
|
if (!attach)
|
|
|
|
{
|
2019-12-12 08:57:25 +00:00
|
|
|
/// create directories if they do not exist
|
|
|
|
disk->createDirectories(table_path);
|
2017-04-01 07:20:54 +00:00
|
|
|
}
|
2020-07-12 02:31:58 +00:00
|
|
|
else
|
|
|
|
{
|
|
|
|
try
|
|
|
|
{
|
|
|
|
file_checker.repair();
|
|
|
|
}
|
|
|
|
catch (...)
|
|
|
|
{
|
|
|
|
tryLogCurrentException(__PRETTY_FUNCTION__);
|
|
|
|
}
|
|
|
|
}
|
2017-04-01 07:20:54 +00:00
|
|
|
|
2020-06-19 15:39:41 +00:00
|
|
|
for (const auto & col : storage_metadata.getColumns().getAllPhysical())
|
2017-08-07 07:31:16 +00:00
|
|
|
addFiles(col.name, *col.type);
|
2020-07-12 02:31:58 +00:00
|
|
|
|
|
|
|
if (!attach)
|
|
|
|
for (const auto & file : files)
|
|
|
|
file_checker.setEmpty(file.second.data_file_path);
|
2012-08-29 18:49:54 +00:00
|
|
|
}
|
|
|
|
|
2016-08-10 19:12:29 +00:00
|
|
|
|
2017-08-07 07:31:16 +00:00
|
|
|
void StorageTinyLog::addFiles(const String & column_name, const IDataType & type)
|
2012-08-29 18:49:54 +00:00
|
|
|
{
|
2017-04-01 07:20:54 +00:00
|
|
|
if (files.end() != files.find(column_name))
|
|
|
|
throw Exception("Duplicate column with name " + column_name + " in constructor of StorageTinyLog.",
|
|
|
|
ErrorCodes::DUPLICATE_COLUMN);
|
|
|
|
|
2020-09-18 11:37:58 +00:00
|
|
|
IDataType::StreamCallback stream_callback = [&] (const IDataType::SubstreamPath & substream_path, const IDataType & /* substream_type */)
|
2017-04-01 07:20:54 +00:00
|
|
|
{
|
2017-08-07 07:31:16 +00:00
|
|
|
String stream_name = IDataType::getFileNameForStream(column_name, substream_path);
|
|
|
|
if (!files.count(stream_name))
|
2017-04-01 07:20:54 +00:00
|
|
|
{
|
|
|
|
ColumnData column_data;
|
2017-08-07 07:31:16 +00:00
|
|
|
files.insert(std::make_pair(stream_name, column_data));
|
2019-12-25 08:24:13 +00:00
|
|
|
files[stream_name].data_file_path = table_path + stream_name + DBMS_STORAGE_LOG_DATA_FILE_EXTENSION;
|
2017-04-01 07:20:54 +00:00
|
|
|
}
|
2017-08-07 07:31:16 +00:00
|
|
|
};
|
2017-04-01 07:20:54 +00:00
|
|
|
|
2019-01-04 12:10:00 +00:00
|
|
|
IDataType::SubstreamPath substream_path;
|
|
|
|
type.enumerateStreams(stream_callback, substream_path);
|
2012-06-25 00:17:19 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
|
2020-04-07 14:05:51 +00:00
|
|
|
void StorageTinyLog::rename(const String & new_path_to_table_data, const StorageID & new_table_id)
|
2012-06-25 00:17:19 +00:00
|
|
|
{
|
2020-09-18 19:25:56 +00:00
|
|
|
assert(table_path != new_path_to_table_data);
|
2020-09-17 19:50:43 +00:00
|
|
|
{
|
|
|
|
std::unique_lock<std::shared_mutex> lock(rwlock);
|
2019-07-30 17:38:22 +00:00
|
|
|
|
2020-09-17 19:50:43 +00:00
|
|
|
disk->moveDirectory(table_path, new_path_to_table_data);
|
2014-06-26 00:58:14 +00:00
|
|
|
|
2020-09-17 19:50:43 +00:00
|
|
|
table_path = new_path_to_table_data;
|
|
|
|
file_checker.setPath(table_path + "sizes.json");
|
2012-06-25 00:17:19 +00:00
|
|
|
|
2020-09-17 19:50:43 +00:00
|
|
|
for (auto & file : files)
|
|
|
|
file.second.data_file_path = table_path + fileName(file.second.data_file_path);
|
|
|
|
}
|
2020-04-07 14:05:51 +00:00
|
|
|
renameInMemory(new_table_id);
|
2012-06-25 00:17:19 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
|
2020-08-03 13:54:14 +00:00
|
|
|
Pipe StorageTinyLog::read(
|
2017-04-01 07:20:54 +00:00
|
|
|
const Names & column_names,
|
2020-06-16 15:51:29 +00:00
|
|
|
const StorageMetadataPtr & metadata_snapshot,
|
2020-09-20 17:52:17 +00:00
|
|
|
SelectQueryInfo & /*query_info*/,
|
2017-04-01 07:20:54 +00:00
|
|
|
const Context & context,
|
2018-09-08 11:29:23 +00:00
|
|
|
QueryProcessingStage::Enum /*processed_stage*/,
|
2019-02-18 23:38:44 +00:00
|
|
|
const size_t max_block_size,
|
2017-12-01 21:13:25 +00:00
|
|
|
const unsigned /*num_streams*/)
|
2012-06-25 00:17:19 +00:00
|
|
|
{
|
2020-06-19 17:17:13 +00:00
|
|
|
metadata_snapshot->check(column_names, getVirtuals(), getStorageID());
|
2020-02-17 14:45:10 +00:00
|
|
|
|
2020-04-05 23:57:24 +00:00
|
|
|
// When reading, we lock the entire storage, because we only have one file
|
|
|
|
// per column and can't modify it concurrently.
|
2020-08-03 13:54:14 +00:00
|
|
|
return Pipe(std::make_shared<TinyLogSource>(
|
2020-06-16 15:51:29 +00:00
|
|
|
max_block_size, Nested::collect(metadata_snapshot->getColumns().getAllPhysical().addTypes(column_names)), *this, context.getSettingsRef().max_read_buffer_size));
|
2012-06-25 00:17:19 +00:00
|
|
|
}
|
|
|
|
|
2014-06-26 00:58:14 +00:00
|
|
|
|
2020-06-16 15:51:29 +00:00
|
|
|
BlockOutputStreamPtr StorageTinyLog::write(const ASTPtr & /*query*/, const StorageMetadataPtr & metadata_snapshot, const Context & /*context*/)
|
2012-06-25 00:17:19 +00:00
|
|
|
{
|
2020-06-16 15:51:29 +00:00
|
|
|
return std::make_shared<TinyLogBlockOutputStream>(*this, metadata_snapshot);
|
2012-06-25 00:17:19 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
|
2019-07-03 13:17:19 +00:00
|
|
|
CheckResults StorageTinyLog::checkData(const ASTPtr & /* query */, const Context & /* context */)
|
2014-07-31 13:39:23 +00:00
|
|
|
{
|
2019-07-30 17:38:22 +00:00
|
|
|
std::shared_lock<std::shared_mutex> lock(rwlock);
|
2017-04-01 07:20:54 +00:00
|
|
|
return file_checker.check();
|
2014-07-31 13:39:23 +00:00
|
|
|
}
|
|
|
|
|
2020-06-18 10:29:13 +00:00
|
|
|
void StorageTinyLog::truncate(
|
2020-06-18 16:10:47 +00:00
|
|
|
const ASTPtr &, const StorageMetadataPtr & metadata_snapshot, const Context &, TableExclusiveLockHolder &)
|
2018-04-21 00:35:20 +00:00
|
|
|
{
|
2019-07-30 17:38:22 +00:00
|
|
|
std::unique_lock<std::shared_mutex> lock(rwlock);
|
|
|
|
|
2019-12-12 08:57:25 +00:00
|
|
|
disk->clearDirectory(table_path);
|
2018-04-21 00:35:20 +00:00
|
|
|
|
2018-06-09 15:48:22 +00:00
|
|
|
files.clear();
|
2019-12-12 08:57:25 +00:00
|
|
|
file_checker = FileChecker{disk, table_path + "sizes.json"};
|
2018-04-21 00:35:20 +00:00
|
|
|
|
2020-06-17 16:39:58 +00:00
|
|
|
for (const auto & column : metadata_snapshot->getColumns().getAllPhysical())
|
2018-04-21 00:35:20 +00:00
|
|
|
addFiles(column.name, *column.type);
|
|
|
|
}
|
|
|
|
|
2020-01-22 11:30:11 +00:00
|
|
|
void StorageTinyLog::drop()
|
2019-12-17 13:45:53 +00:00
|
|
|
{
|
|
|
|
std::unique_lock<std::shared_mutex> lock(rwlock);
|
2020-01-22 11:30:11 +00:00
|
|
|
if (disk->exists(table_path))
|
|
|
|
disk->removeRecursive(table_path);
|
2019-12-17 13:45:53 +00:00
|
|
|
files.clear();
|
|
|
|
}
|
2017-12-30 00:36:06 +00:00
|
|
|
|
2020-04-06 13:18:07 +00:00
|
|
|
|
2017-12-30 03:49:02 +00:00
|
|
|
void registerStorageTinyLog(StorageFactory & factory)
|
2017-12-30 00:36:06 +00:00
|
|
|
{
|
2020-02-18 14:41:30 +00:00
|
|
|
StorageFactory::StorageFeatures features{
|
|
|
|
.supports_settings = true
|
|
|
|
};
|
|
|
|
|
2017-12-30 00:36:06 +00:00
|
|
|
factory.registerStorage("TinyLog", [](const StorageFactory::Arguments & args)
|
|
|
|
{
|
|
|
|
if (!args.engine_args.empty())
|
|
|
|
throw Exception(
|
|
|
|
"Engine " + args.engine_name + " doesn't support any arguments (" + toString(args.engine_args.size()) + " given)",
|
|
|
|
ErrorCodes::NUMBER_OF_ARGUMENTS_DOESNT_MATCH);
|
|
|
|
|
2020-02-18 14:41:30 +00:00
|
|
|
String disk_name = getDiskName(*args.storage_def);
|
|
|
|
DiskPtr disk = args.context.getDisk(disk_name);
|
2020-02-14 14:28:33 +00:00
|
|
|
|
2017-12-30 00:36:06 +00:00
|
|
|
return StorageTinyLog::create(
|
2020-02-14 14:28:33 +00:00
|
|
|
disk, args.relative_data_path, args.table_id, args.columns, args.constraints,
|
2017-12-30 03:49:02 +00:00
|
|
|
args.attach, args.context.getSettings().max_compress_block_size);
|
2020-02-18 14:41:30 +00:00
|
|
|
}, features);
|
2017-12-30 00:36:06 +00:00
|
|
|
}
|
|
|
|
|
2012-06-25 00:17:19 +00:00
|
|
|
}
|