homework-jianmu/src/inc/tsdb.h

246 lines
8.5 KiB
C

/*
* Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
*
* This program is free software: you can use, redistribute, and/or modify
* it under the terms of the GNU Affero General Public License, version 3
* or later ("AGPL"), as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _tsdb_global_header_
#define _tsdb_global_header_
#ifdef __cplusplus
extern "C" {
#endif
#include <stdint.h>
#include "tglobalcfg.h"
#define TSDB__packed
#ifdef TSKEY32
#define TSKEY int32_t;
#else
#define TSKEY int64_t
#endif
#define TSDB_TRUE 1
#define TSDB_FALSE 0
#define TSDB_OK 0
#define TSDB_ERR -1
#define TS_PATH_DELIMITER "."
#define TSDB_TIME_PRECISION_MILLI 0
#define TSDB_TIME_PRECISION_MICRO 1
#define TSDB_TIME_PRECISION_MILLI_STR "ms"
#define TSDB_TIME_PRECISION_MICRO_STR "us"
#define TSDB_DATA_TYPE_BOOL 1 // 1 bytes
#define TSDB_DATA_TYPE_TINYINT 2 // 1 byte
#define TSDB_DATA_TYPE_SMALLINT 3 // 2 bytes
#define TSDB_DATA_TYPE_INT 4 // 4 bytes
#define TSDB_DATA_TYPE_BIGINT 5 // 8 bytes
#define TSDB_DATA_TYPE_FLOAT 6 // 4 bytes
#define TSDB_DATA_TYPE_DOUBLE 7 // 8 bytes
#define TSDB_DATA_TYPE_BINARY 8 // string
#define TSDB_DATA_TYPE_TIMESTAMP 9 // 8 bytes
#define TSDB_DATA_TYPE_NCHAR 10 // unicode string
#define TSDB_KEYSIZE sizeof(TSKEY)
#if LINUX
#define TSDB_NCHAR_SIZE sizeof(wchar_t)
#else
#define TSDB_NCHAR_SIZE 4
#endif
//#define TSDB_CHAR_TERMINATED_SPACE 1
#define TSDB_RELATION_INVALID 0
#define TSDB_RELATION_LESS 1
#define TSDB_RELATION_LARGE 2
#define TSDB_RELATION_EQUAL 3
#define TSDB_RELATION_LESS_EQUAL 4
#define TSDB_RELATION_LARGE_EQUAL 5
#define TSDB_RELATION_NOT_EQUAL 6
#define TSDB_RELATION_LIKE 7
#define TSDB_RELATION_AND 8
#define TSDB_RELATION_OR 9
#define TSDB_RELATION_NOT 10
#define TSDB_BINARY_OP_ADD 11
#define TSDB_BINARY_OP_SUBTRACT 12
#define TSDB_BINARY_OP_MULTIPLY 13
#define TSDB_BINARY_OP_DIVIDE 14
#define TSDB_BINARY_OP_REMAINDER 15
#define TSDB_USERID_LEN 9
#define TS_PATH_DELIMITER_LEN 1
#define TSDB_METER_ID_LEN_MARGIN 10
#define TSDB_TABLE_ID_LEN (TSDB_DB_NAME_LEN+TSDB_METER_NAME_LEN+2*TS_PATH_DELIMITER_LEN+TSDB_USERID_LEN+TSDB_METER_ID_LEN_MARGIN) //TSDB_DB_NAME_LEN+TSDB_METER_NAME_LEN+2*strlen(TS_PATH_DELIMITER)+strlen(USERID)
#define TSDB_UNI_LEN 24
#define TSDB_USER_LEN TSDB_UNI_LEN
#define TSDB_ACCT_LEN TSDB_UNI_LEN
#define TSDB_PASSWORD_LEN TSDB_UNI_LEN
#define TSDB_MAX_COLUMNS 256
#define TSDB_MIN_COLUMNS 2 //PRIMARY COLUMN(timestamp) + other columns
#define TSDB_METER_NAME_LEN 64
#define TSDB_DB_NAME_LEN 32
#define TSDB_COL_NAME_LEN 64
#define TSDB_MAX_SAVED_SQL_LEN TSDB_MAX_COLUMNS * 16
#define TSDB_MAX_SQL_LEN TSDB_PAYLOAD_SIZE
#define TSDB_MAX_ALLOWED_SQL_LEN (8*1024*1024U) // sql length should be less than 6mb
#define TSDB_MAX_BYTES_PER_ROW TSDB_MAX_COLUMNS * 16
#define TSDB_MAX_TAGS_LEN 512
#define TSDB_MAX_TAGS 32
#define TSDB_AUTH_LEN 16
#define TSDB_KEY_LEN 16
#define TSDB_VERSION_LEN 12
#define TSDB_STREET_LEN 64
#define TSDB_CITY_LEN 20
#define TSDB_STATE_LEN 20
#define TSDB_COUNTRY_LEN 20
#define TSDB_VNODES_SUPPORT 6
#define TSDB_MGMT_SUPPORT 4
#define TSDB_LOCALE_LEN 64
#define TSDB_TIMEZONE_LEN 64
#define TSDB_IPv4ADDR_LEN 16
#define TSDB_FILENAME_LEN 128
#define TSDB_METER_VNODE_BITS 20
#define TSDB_METER_SID_MASK 0xFFFFF
#define TSDB_SHELL_VNODE_BITS 24
#define TSDB_SHELL_SID_MASK 0xFF
#define TSDB_HTTP_TOKEN_LEN 20
#define TSDB_SHOW_SQL_LEN 32
#define TSDB_METER_STATE_OFFLINE 0
#define TSDB_METER_STATE_ONLLINE 1
#define TSDB_DEFAULT_PKT_SIZE 65480 //same as RPC_MAX_UDP_SIZE
#define TSDB_PAYLOAD_SIZE (TSDB_DEFAULT_PKT_SIZE - 100)
#define TSDB_DEFAULT_PAYLOAD_SIZE 1024 // default payload size
#define TSDB_EXTRA_PAYLOAD_SIZE 128 // extra bytes for auth
#define TSDB_SQLCMD_SIZE 1024
#define TSDB_MAX_VNODES 256
#define TSDB_MIN_VNODES 50
#define TSDB_INVALID_VNODE_NUM 0
#define TSDB_DNODE_ROLE_ANY 0
#define TSDB_DNODE_ROLE_MGMT 1
#define TSDB_DNODE_ROLE_VNODE 2
#define TSDB_MAX_MPEERS 5
#define TSDB_MAX_MGMT_IPS (TSDB_MAX_MPEERS+1)
#define TSDB_REPLICA_MIN_NUM 1
/*
* this is defined in CMakeList.txt
*/
//#define TSDB_REPLICA_MAX_NUM 3
#define TSDB_TBNAME_COLUMN_INDEX (-1)
#define TSDB_MULTI_METERMETA_MAX_NUM 100000 // maximum batch size allowed to load metermeta
//default value == 10
#define TSDB_FILE_MIN_PARTITION_RANGE 1 //minimum partition range of vnode file in days
#define TSDB_FILE_MAX_PARTITION_RANGE 3650 //max partition range of vnode file in days
#define TSDB_DATA_MIN_RESERVE_DAY 1 // data in db to be reserved.
#define TSDB_DATA_DEFAULT_RESERVE_DAY 3650 // ten years
#define TSDB_MIN_COMPRESSION_LEVEL 0
#define TSDB_MAX_COMPRESSION_LEVEL 2
#define TSDB_MIN_COMMIT_TIME_INTERVAL 30
#define TSDB_MAX_COMMIT_TIME_INTERVAL 40960
#define TSDB_MIN_ROWS_IN_FILEBLOCK 200
#define TSDB_MAX_ROWS_IN_FILEBLOCK 500000
#define TSDB_MIN_CACHE_BLOCK_SIZE 100
#define TSDB_MAX_CACHE_BLOCK_SIZE 104857600
#define TSDB_MIN_CACHE_BLOCKS 100
#define TSDB_MAX_CACHE_BLOCKS 409600
#define TSDB_MIN_AVG_BLOCKS 2
#define TSDB_MAX_AVG_BLOCKS 2048
#define TSDB_DEFAULT_AVG_BLOCKS 4
/*
* There is a bug in function taosAllocateId.
* When "create database tables 1" is executed, the wrong sid is assigned, so the minimum value is set to 2.
*/
#define TSDB_MIN_TABLES_PER_VNODE 2
#define TSDB_MAX_TABLES_PER_VNODE 220000
#define TSDB_MAX_JOIN_TABLE_NUM 5
#define TSDB_MAX_UNION_CLAUSE 5
#define TSDB_MAX_BINARY_LEN (TSDB_MAX_BYTES_PER_ROW-TSDB_KEYSIZE)
#define TSDB_MAX_NCHAR_LEN (TSDB_MAX_BYTES_PER_ROW-TSDB_KEYSIZE)
#define PRIMARYKEY_TIMESTAMP_COL_INDEX 0
#define TSDB_DATA_BOOL_NULL 0x02
#define TSDB_DATA_TINYINT_NULL 0x80
#define TSDB_DATA_SMALLINT_NULL 0x8000
#define TSDB_DATA_INT_NULL 0x80000000
#define TSDB_DATA_BIGINT_NULL 0x8000000000000000L
#define TSDB_DATA_FLOAT_NULL 0x7FF00000 // it is an NAN
#define TSDB_DATA_DOUBLE_NULL 0x7FFFFF0000000000L // an NAN
#define TSDB_DATA_NCHAR_NULL 0xFFFFFFFF
#define TSDB_DATA_BINARY_NULL 0xFF
#define TSDB_DATA_NULL_STR "NULL"
#define TSDB_DATA_NULL_STR_L "null"
#define TSDB_MAX_RPC_THREADS 5
#define TSDB_QUERY_TYPE_NON_TYPE 0x00U // none type
#define TSDB_QUERY_TYPE_FREE_RESOURCE 0x01U // free qhandle at vnode
/*
* 1. ordinary sub query for select * from super_table
* 2. all sqlobj generated by createSubqueryObj with this flag
*/
#define TSDB_QUERY_TYPE_SUBQUERY 0x02U
#define TSDB_QUERY_TYPE_STABLE_SUBQUERY 0x04U // two-stage subquery for super table
#define TSDB_QUERY_TYPE_TABLE_QUERY 0x08U // query ordinary table; below only apply to client side
#define TSDB_QUERY_TYPE_STABLE_QUERY 0x10U // query on super table
#define TSDB_QUERY_TYPE_JOIN_QUERY 0x20U // join query
#define TSDB_QUERY_TYPE_PROJECTION_QUERY 0x40U // select *,columns... query
#define TSDB_QUERY_TYPE_JOIN_SEC_STAGE 0x80U // join sub query at the second stage
#define TSDB_QUERY_TYPE_INSERT 0x100U // insert type
#define TSDB_QUERY_TYPE_IMPORT 0x200U // import data
#define TSDB_QUERY_HAS_TYPE(x, _type) (((x) & (_type)) != 0)
#define TSDB_QUERY_SET_TYPE(x, _type) ((x) |= (_type))
#define TSDB_QUERY_RESET_TYPE(x) ((x) = TSDB_QUERY_TYPE_NON_TYPE)
#define TSQL_SO_ASC 1
#define TSQL_SO_DESC 0
#ifdef __cplusplus
}
#endif
#endif