mirror of
https://github.com/ClickHouse/ClickHouse.git
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132 lines
5.5 KiB
C++
132 lines
5.5 KiB
C++
#pragma once
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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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/** 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 SHOW_CHARS_ON_SYNTAX_ERROR ptrdiff_t(160)
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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 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 54337
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#define DBMS_MIN_REVISION_WITH_SERVER_DISPLAY_NAME 54372
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#define DBMS_MIN_REVISION_WITH_VERSION_PATCH 54401
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#define DBMS_MIN_REVISION_WITH_SERVER_LOGS 54406
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#define DBMS_MIN_REVISION_WITH_CLIENT_SUPPORT_EMBEDDED_DATA 54415
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/// Minimum revision with exactly the same set of aggregation methods and rules to select them.
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/// Two-level (bucketed) aggregation is incompatible if servers are inconsistent in these rules
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/// (keys will be placed in different buckets and result will not be fully aggregated).
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#define DBMS_MIN_REVISION_WITH_CURRENT_AGGREGATION_VARIANT_SELECTION_METHOD 54408
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#define DBMS_MIN_REVISION_WITH_COLUMN_DEFAULTS_METADATA 54410
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#define DBMS_MIN_REVISION_WITH_LOW_CARDINALITY_TYPE 54405
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#define DBMS_MIN_REVISION_WITH_CLIENT_WRITE_INFO 54421
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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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/// 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_HTTP_READ_BUFFER_TIMEOUT 1800
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#define DEFAULT_HTTP_READ_BUFFER_CONNECTION_TIMEOUT 1
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/// Maximum namber of http-connections between two endpoints
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/// the number is unmotivated
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#define DEFAULT_COUNT_OF_HTTP_CONNECTIONS_PER_ENDPOINT 15
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#define DBMS_DEFAULT_PATH "/var/lib/clickhouse/"
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// more aliases: https://mailman.videolan.org/pipermail/x264-devel/2014-May/010660.html
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#if defined(_MSC_VER)
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#define ALWAYS_INLINE __forceinline
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#define NO_INLINE static __declspec(noinline)
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#define MAY_ALIAS
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#else
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#define ALWAYS_INLINE __attribute__((__always_inline__))
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#define NO_INLINE __attribute__((__noinline__))
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#define MAY_ALIAS __attribute__((__may_alias__))
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#endif
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#define PLATFORM_NOT_SUPPORTED "The only supported platforms are x86_64 and AArch64, PowerPC (work in progress)"
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#if !defined(__x86_64__) && !defined(__aarch64__) && !defined(__PPC__)
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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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/// Explicitly allow undefined behaviour for certain functions. Use it as a function attribute.
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/// It is useful in case when compiler cannot see (and exploit) it, but UBSan can.
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/// Example: multiplication of signed integers with possibility of overflow when both sides are from user input.
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#if defined(__clang__)
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#define NO_SANITIZE_UNDEFINED __attribute__((__no_sanitize__("undefined")))
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#define NO_SANITIZE_ADDRESS __attribute__((__no_sanitize__("address")))
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#else
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/// It does not work in GCC. GCC 7 cannot recognize this attribute and GCC 8 simply ignores it.
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#define NO_SANITIZE_UNDEFINED
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#define NO_SANITIZE_ADDRESS
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#endif
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#if defined __GNUC__ && !defined __clang__
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#define OPTIMIZE(x) __attribute__((__optimize__(x)))
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#else
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#define OPTIMIZE(x)
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#endif
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/// This number is only used for distributed version compatible.
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/// It could be any magic number.
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#define DBMS_DISTRIBUTED_SENDS_MAGIC_NUMBER 0xCAFECABE
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