mirror of
https://github.com/ClickHouse/ClickHouse.git
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99 lines
4.3 KiB
C++
99 lines
4.3 KiB
C++
#pragma once
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#define DBMS_NAME "ClickHouse"
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#define DBMS_VERSION_MAJOR 1
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#define DBMS_VERSION_MINOR 1
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#define DBMS_DEFAULT_HOST "localhost"
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#define DBMS_DEFAULT_PORT 9000
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#define DBMS_DEFAULT_SECURE_PORT 9440
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#define DBMS_DEFAULT_HTTP_PORT 8123
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#define DBMS_DEFAULT_CONNECT_TIMEOUT_SEC 10
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#define DBMS_DEFAULT_CONNECT_TIMEOUT_WITH_FAILOVER_MS 50
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#define DBMS_DEFAULT_SEND_TIMEOUT_SEC 300
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#define DBMS_DEFAULT_RECEIVE_TIMEOUT_SEC 300
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/// Timeout for synchronous request-result protocol call (like Ping or TablesStatus).
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#define DBMS_DEFAULT_SYNC_REQUEST_TIMEOUT_SEC 5
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#define DBMS_DEFAULT_POLL_INTERVAL 10
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/// The size of the I/O buffer by default.
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#define DBMS_DEFAULT_BUFFER_SIZE 1048576ULL
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/// When writing data, a buffer of `max_compress_block_size` size is allocated for compression. When the buffer overflows or if into the buffer
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/// more or equal data is written than `min_compress_block_size`, then with the next mark, the data will also compressed
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/// As a result, for small columns (numbers 1-8 bytes), with index_granularity = 8192, the block size will be 64 KB.
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/// And for large columns (Title - string ~100 bytes), the block size will be ~819 KB. Due to this, the compression ratio almost does not get worse.
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#define DEFAULT_MIN_COMPRESS_BLOCK_SIZE 65536
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#define DEFAULT_MAX_COMPRESS_BLOCK_SIZE 1048576
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/** Which blocks by default read the data (by number of rows).
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* Smaller values give better cache locality, less consumption of RAM, but more overhead to process the query.
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*/
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#define DEFAULT_BLOCK_SIZE 65536
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/** Which blocks should be formed for insertion into the table, if we control the formation of blocks.
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* (Sometimes the blocks are inserted exactly such blocks that have been read / transmitted from the outside, and this parameter does not affect their size.)
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* More than DEFAULT_BLOCK_SIZE, because in some tables a block of data on the disk is created for each block (quite a big thing),
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* and if the parts were small, then it would be costly then to combine them.
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*/
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#define DEFAULT_INSERT_BLOCK_SIZE 1048576
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/** The same, but for merge operations. Less DEFAULT_BLOCK_SIZE for saving RAM (since all the columns are read).
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* Significantly less, since there are 10-way mergers.
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*/
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#define DEFAULT_MERGE_BLOCK_SIZE 8192
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#define DEFAULT_MAX_QUERY_SIZE 262144
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#define SHOW_CHARS_ON_SYNTAX_ERROR ptrdiff_t(160)
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#define DEFAULT_MAX_DISTRIBUTED_CONNECTIONS 1024
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#define DEFAULT_INTERACTIVE_DELAY 100000
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#define DBMS_DEFAULT_DISTRIBUTED_CONNECTIONS_POOL_SIZE 1024
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#define DBMS_CONNECTION_POOL_WITH_FAILOVER_DEFAULT_MAX_TRIES 3
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/// each period reduces the error counter by 2 times
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/// too short a period can cause errors to disappear immediately after creation.
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#define DBMS_CONNECTION_POOL_WITH_FAILOVER_DEFAULT_DECREASE_ERROR_PERIOD (2 * DBMS_DEFAULT_SEND_TIMEOUT_SEC)
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#define DEFAULT_QUERIES_QUEUE_WAIT_TIME_MS 5000 /// Maximum waiting time in the request queue.
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#define DBMS_DEFAULT_BACKGROUND_POOL_SIZE 16
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#define DBMS_MIN_REVISION_WITH_CLIENT_INFO 54032
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#define DBMS_MIN_REVISION_WITH_SERVER_TIMEZONE 54058
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#define DBMS_MIN_REVISION_WITH_QUOTA_KEY_IN_CLIENT_INFO 54060
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#define DBMS_MIN_REVISION_WITH_TABLES_STATUS 54226
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#define DBMS_MIN_REVISION_WITH_TIME_ZONE_PARAMETER_IN_DATETIME_DATA_TYPE 54311
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/// Version of ClickHouse TCP protocol. Set to git tag with latest protocol change.
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#define DBMS_TCP_PROTOCOL_VERSION 54226
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#define DBMS_DISTRIBUTED_DIRECTORY_MONITOR_SLEEP_TIME_MS 100
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/// The boundary on which the blocks for asynchronous file operations should be aligned.
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#define DEFAULT_AIO_FILE_BLOCK_SIZE 4096
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#define DEFAULT_QUERY_LOG_FLUSH_INTERVAL_MILLISECONDS 7500
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#define ALWAYS_INLINE __attribute__((__always_inline__))
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#define NO_INLINE __attribute__((__noinline__))
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#define PLATFORM_NOT_SUPPORTED "The only supported platforms are x86_64 and AArch64 (work in progress)"
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#if !defined(__x86_64__) && !defined(__aarch64__)
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// #error PLATFORM_NOT_SUPPORTED
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#endif
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/// Check for presence of address sanitizer
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#if defined(__has_feature)
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#if __has_feature(address_sanitizer)
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#define ADDRESS_SANITIZER 1
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#endif
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#elif defined(__SANITIZE_ADDRESS__)
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#define ADDRESS_SANITIZER 1
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#endif
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#if defined(__has_feature)
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#if __has_feature(thread_sanitizer)
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#define THREAD_SANITIZER 1
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#endif
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#elif defined(__SANITIZE_THREAD__)
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#define THREAD_SANITIZER 1
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#endif
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