taosdef.h 15.0 KB
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/*
 * 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/>.
 */

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#ifndef TDENGINE_TAOS_DEF_H
#define TDENGINE_TAOS_DEF_H
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#ifdef __cplusplus
extern "C" {
#endif

#include <stdint.h>
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#include <stdbool.h>
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#include "taos.h"
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#define TSDB__packed

#ifdef TSKEY32
#define TSKEY int32_t;
#else
#define TSKEY int64_t
#endif

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#define TSWINDOW_INITIALIZER ((STimeWindow) {INT64_MIN, INT64_MAX})
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#define TSKEY_INITIAL_VAL    INT64_MIN

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// ----------------- For variable data types such as TSDB_DATA_TYPE_BINARY and TSDB_DATA_TYPE_NCHAR
typedef int32_t VarDataOffsetT;
typedef int16_t VarDataLenT;
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typedef struct tstr {
  VarDataLenT len;
  char        data[];
} tstr;

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#define VARSTR_HEADER_SIZE  sizeof(VarDataLenT)

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#define varDataLen(v)       ((VarDataLenT *)(v))[0]
#define varDataTLen(v)      (sizeof(VarDataLenT) + varDataLen(v))
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#define varDataVal(v)       ((void *)((char *)v + VARSTR_HEADER_SIZE))
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#define varDataCopy(dst, v) memcpy((dst), (void*) (v), varDataTLen(v))
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#define varDataLenByData(v) (*(VarDataLenT *)(((char*)(v)) - VARSTR_HEADER_SIZE))
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#define varDataSetLen(v, _len) (((VarDataLenT *)(v))[0] = (VarDataLenT) (_len))
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#define IS_VAR_DATA_TYPE(t) (((t) == TSDB_DATA_TYPE_BINARY) || ((t) == TSDB_DATA_TYPE_NCHAR))
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// this data type is internally used only in 'in' query to hold the values
#define TSDB_DATA_TYPE_ARRAY      (TSDB_DATA_TYPE_NCHAR + 1)
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// Bytes for each type.
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extern const int32_t TYPE_BYTES[11];
// TODO: replace and remove code below
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#define CHAR_BYTES   sizeof(char)
#define SHORT_BYTES  sizeof(short)
#define INT_BYTES    sizeof(int)
#define LONG_BYTES   sizeof(int64_t)
#define FLOAT_BYTES  sizeof(float)
#define DOUBLE_BYTES sizeof(double)

// NULL definition
#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"

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#define TSDB_DEFAULT_USER               "root"
#define TSDB_DEFAULT_PASS               "taosdata"

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#define TSDB_TRUE   1
#define TSDB_FALSE  0
#define TSDB_OK     0
#define TSDB_ERR   -1
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#define TS_PATH_DELIMITER "."

#define TSDB_TIME_PRECISION_MILLI 0
#define TSDB_TIME_PRECISION_MICRO 1
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#define TSDB_TIME_PRECISION_NANO  2
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#define TSDB_TIME_PRECISION_MILLI_STR "ms"
#define TSDB_TIME_PRECISION_MICRO_STR "us"

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#define T_MEMBER_SIZE(type, member) sizeof(((type *)0)->member)
#define T_APPEND_MEMBER(dst, ptr, type, member) \
do {\
  memcpy((void *)(dst), (void *)(&((ptr)->member)), T_MEMBER_SIZE(type, member));\
  dst = (void *)((char *)(dst) + T_MEMBER_SIZE(type, member));\
} while(0)
#define T_READ_MEMBER(src, type, target) \
do { \
  (target) = *(type *)(src); \
  (src) = (void *)((char *)src + sizeof(type));\
} while(0)
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#define TSDB_KEYSIZE              sizeof(TSKEY)
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#if LINUX
  #define TSDB_NCHAR_SIZE         sizeof(wchar_t)
#else
  #define TSDB_NCHAR_SIZE         4
#endif
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//#define TSDB_CHAR_TERMINATED_SPACE 1
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#define GET_INT8_VAL(x)   (*(int8_t *)(x))
#define GET_INT16_VAL(x)  (*(int16_t *)(x))
#define GET_INT32_VAL(x)  (*(int32_t *)(x))
#define GET_INT64_VAL(x)  (*(int64_t *)(x))
#ifdef _TD_ARM_32_
  #define GET_FLOAT_VAL(x)  taos_align_get_float(x)
  #define GET_DOUBLE_VAL(x) taos_align_get_double(x)

  float  taos_align_get_float(const char* pBuf);
  double taos_align_get_double(const char* pBuf);

  //#define __float_align_declear()  float __underlyFloat = 0.0;
  //#define __float_align_declear()
  //#define GET_FLOAT_VAL_ALIGN(x) (*(int32_t*)&(__underlyFloat) = *(int32_t*)(x); __underlyFloat);
  // notes: src must be float or double type variable !!!
  #define SET_FLOAT_VAL_ALIGN(dst, src) (*(int32_t*) dst = *(int32_t*)src);
  #define SET_DOUBLE_VAL_ALIGN(dst, src) (*(int64_t*) dst = *(int64_t*)src);
#else
  #define GET_FLOAT_VAL(x)  (*(float *)(x))
  #define GET_DOUBLE_VAL(x) (*(double *)(x))
#endif

typedef struct tDataTypeDescriptor {
  int16_t nType;
  int16_t nameLen;
  int32_t nSize;
  char *  aName;
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  int (*compFunc)(const char *const input, int inputSize, const int nelements, char *const output, int outputSize,
                  char algorithm, char *const buffer, int bufferSize);
  int (*decompFunc)(const char *const input, int compressedSize, const int nelements, char *const output,
                    int outputSize, char algorithm, char *const buffer, int bufferSize);
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  void (*getStatisFunc)(const TSKEY *primaryKey, const void *pData, int32_t numofrow, int64_t *min, int64_t *max,
                         int64_t *sum, int16_t *minindex, int16_t *maxindex, int16_t *numofnull);
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} tDataTypeDescriptor;

extern tDataTypeDescriptor tDataTypeDesc[11];
#define POINTER_BYTES sizeof(void *)  // 8 by default  assert(sizeof(ptrdiff_t) == sizseof(void*)

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bool isValidDataType(int32_t type);
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//bool isNull(const char *val, int32_t type);
static inline __attribute__((always_inline)) bool isNull(const char *val, int32_t type) {
  switch (type) {
    case TSDB_DATA_TYPE_BOOL:
      return *(uint8_t *)val == TSDB_DATA_BOOL_NULL;
    case TSDB_DATA_TYPE_TINYINT:
      return *(uint8_t *)val == TSDB_DATA_TINYINT_NULL;
    case TSDB_DATA_TYPE_SMALLINT:
      return *(uint16_t *)val == TSDB_DATA_SMALLINT_NULL;
    case TSDB_DATA_TYPE_INT:
      return *(uint32_t *)val == TSDB_DATA_INT_NULL;
    case TSDB_DATA_TYPE_BIGINT:
    case TSDB_DATA_TYPE_TIMESTAMP:
      return *(uint64_t *)val == TSDB_DATA_BIGINT_NULL;
    case TSDB_DATA_TYPE_FLOAT:
      return *(uint32_t *)val == TSDB_DATA_FLOAT_NULL;
    case TSDB_DATA_TYPE_DOUBLE:
      return *(uint64_t *)val == TSDB_DATA_DOUBLE_NULL;
    case TSDB_DATA_TYPE_NCHAR:
      return *(uint32_t*) varDataVal(val) == TSDB_DATA_NCHAR_NULL;
    case TSDB_DATA_TYPE_BINARY:
      return *(uint8_t *) varDataVal(val) == TSDB_DATA_BINARY_NULL;
    default:
      return false;
  };
}
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void setVardataNull(char* val, int32_t type);
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void setNull(char *val, int32_t type, int32_t bytes);
void setNullN(char *val, int32_t type, int32_t bytes, int32_t numOfElems);
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void* getNullValue(int32_t type);
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void assignVal(char *val, const char *src, int32_t len, int32_t type);
void tsDataSwap(void *pLeft, void *pRight, int32_t type, int32_t size);

// TODO: check if below is necessary
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#define TSDB_RELATION_INVALID     0
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#define TSDB_RELATION_LESS        1
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#define TSDB_RELATION_GREATER     2
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#define TSDB_RELATION_EQUAL       3
#define TSDB_RELATION_LESS_EQUAL  4
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#define TSDB_RELATION_GREATER_EQUAL 5
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#define TSDB_RELATION_NOT_EQUAL   6
#define TSDB_RELATION_LIKE        7
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#define TSDB_RELATION_IN          8
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#define TSDB_RELATION_AND         9
#define TSDB_RELATION_OR          10
#define TSDB_RELATION_NOT         11
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#define TSDB_BINARY_OP_ADD        12
#define TSDB_BINARY_OP_SUBTRACT   13
#define TSDB_BINARY_OP_MULTIPLY   14
#define TSDB_BINARY_OP_DIVIDE     15
#define TSDB_BINARY_OP_REMAINDER  16
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#define TS_PATH_DELIMITER_LEN     1

#define TSDB_UNI_LEN              24
#define TSDB_USER_LEN             TSDB_UNI_LEN
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// ACCOUNT is a 32 bit positive integer
// this is the length of its string representation
// including the terminator zero
#define TSDB_ACCT_LEN             11
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#define TSDB_PASSWORD_LEN         TSDB_UNI_LEN

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#define TSDB_MAX_COLUMNS          1024
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#define TSDB_MIN_COLUMNS          2       //PRIMARY COLUMN(timestamp) + other columns
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#define TSDB_NODE_NAME_LEN        64
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#define TSDB_TABLE_NAME_LEN       193     // it is a null-terminated string
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#define TSDB_DB_NAME_LEN          33
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#define TSDB_TABLE_ID_LEN         (TSDB_ACCT_LEN + TSDB_DB_NAME_LEN + TSDB_TABLE_NAME_LEN)
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#define TSDB_COL_NAME_LEN         65
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#define TSDB_MAX_SAVED_SQL_LEN    TSDB_MAX_COLUMNS * 64
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#define TSDB_MAX_SQL_LEN          TSDB_PAYLOAD_SIZE
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#define TSDB_MAX_SQL_SHOW_LEN     256
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#define TSDB_MAX_ALLOWED_SQL_LEN  (8*1024*1024U)          // sql length should be less than 8mb
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#define TSDB_MAX_BYTES_PER_ROW    16384
#define TSDB_MAX_TAGS_LEN         16384
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#define TSDB_MAX_TAGS             128
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#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_LOCALE_LEN           64
#define TSDB_TIMEZONE_LEN         64
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#define TSDB_LABEL_LEN            8 
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#define TSDB_FQDN_LEN             128
#define TSDB_EP_LEN               (TSDB_FQDN_LEN+6)
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#define TSDB_IPv4ADDR_LEN      	  16
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#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
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#define TSDB_SHOW_SQL_LEN         64
#define TSDB_SLOW_QUERY_SQL_LEN   512
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#define TSDB_METER_STATE_OFFLINE  0
#define TSDB_METER_STATE_ONLLINE  1

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#define TSDB_DEFAULT_PKT_SIZE     65480  //same as RPC_MAX_UDP_SIZE
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#define TSDB_PAYLOAD_SIZE         TSDB_DEFAULT_PKT_SIZE
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#define TSDB_DEFAULT_PAYLOAD_SIZE 5120   // default payload size, greater than PATH_MAX value
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#define TSDB_EXTRA_PAYLOAD_SIZE   128    // extra bytes for auth
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#define TSDB_CQ_SQL_SIZE          1024
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#define TSDB_MIN_VNODES           64
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#define TSDB_MAX_VNODES           2048
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#define TSDB_DNODE_ROLE_ANY       0
#define TSDB_DNODE_ROLE_MGMT      1
#define TSDB_DNODE_ROLE_VNODE     2

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#define TSDB_MAX_REPLICA          5
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#define TSDB_TBNAME_COLUMN_INDEX       (-1)
#define TSDB_MULTI_METERMETA_MAX_NUM    100000  // maximum batch size allowed to load metermeta
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#define TSDB_MIN_CACHE_BLOCK_SIZE       1
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#define TSDB_MAX_CACHE_BLOCK_SIZE       128     // 128MB for each vnode
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#define TSDB_DEFAULT_CACHE_BLOCK_SIZE   16
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#define TSDB_MIN_TOTAL_BLOCKS           2
#define TSDB_MAX_TOTAL_BLOCKS           10000
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#define TSDB_DEFAULT_TOTAL_BLOCKS       6
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#define TSDB_MIN_TABLES                 4
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#define TSDB_MAX_TABLES                 10000000
#define TSDB_DEFAULT_TABLES             1000000
#define TSDB_TABLES_STEP                1000
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#define TSDB_MIN_DAYS_PER_FILE          1
#define TSDB_MAX_DAYS_PER_FILE          3650 
#define TSDB_DEFAULT_DAYS_PER_FILE      10 
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#define TSDB_MIN_KEEP                   1        // data in db to be reserved.
#define TSDB_MAX_KEEP                   365000   // data in db to be reserved.
#define TSDB_DEFAULT_KEEP               3650     // ten years
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#define TSDB_DEFAULT_MIN_ROW_FBLOCK     100
#define TSDB_MIN_MIN_ROW_FBLOCK         10
#define TSDB_MAX_MIN_ROW_FBLOCK         1000
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#define TSDB_DEFAULT_MAX_ROW_FBLOCK     4096
#define TSDB_MIN_MAX_ROW_FBLOCK         200
#define TSDB_MAX_MAX_ROW_FBLOCK         10000
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#define TSDB_MIN_COMMIT_TIME            30
#define TSDB_MAX_COMMIT_TIME            40960
#define TSDB_DEFAULT_COMMIT_TIME        3600
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#define TSDB_MIN_PRECISION              TSDB_TIME_PRECISION_MILLI
#define TSDB_MAX_PRECISION              TSDB_TIME_PRECISION_NANO
#define TSDB_DEFAULT_PRECISION          TSDB_TIME_PRECISION_MILLI
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#define TSDB_MIN_COMP_LEVEL             0
#define TSDB_MAX_COMP_LEVEL             2
#define TSDB_DEFAULT_COMP_LEVEL         2

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#define TSDB_MIN_WAL_LEVEL              1
#define TSDB_MAX_WAL_LEVEL              2
#define TSDB_DEFAULT_WAL_LEVEL          1
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#define TSDB_MIN_FSYNC_PERIOD           0
#define TSDB_MAX_FSYNC_PERIOD           180000   // millisecond
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#define TSDB_DEFAULT_FSYNC_PERIOD       3000     // three second
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#define TSDB_MIN_DB_REPLICA_OPTION      1
#define TSDB_MAX_DB_REPLICA_OPTION      3
#define TSDB_DEFAULT_DB_REPLICA_OPTION  1
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#define TSDB_MAX_JOIN_TABLE_NUM         5
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#define TSDB_MAX_UNION_CLAUSE           5
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#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
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#define TSDB_MAX_RPC_THREADS            5

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#define TSDB_QUERY_TYPE_NON_TYPE                       0x00u     // none type
#define TSDB_QUERY_TYPE_FREE_RESOURCE                  0x01u     // free qhandle at vnode
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/*
 * 1. ordinary sub query for select * from super_table
 * 2. all sqlobj generated by createSubqueryObj with this flag
 */
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#define TSDB_QUERY_TYPE_SUBQUERY                       0x02u
#define TSDB_QUERY_TYPE_STABLE_SUBQUERY                0x04u     // two-stage subquery for super table
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#define TSDB_QUERY_TYPE_TABLE_QUERY                    0x08u    // query ordinary table; below only apply to client side
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#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
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#define TSDB_QUERY_TYPE_TAG_FILTER_QUERY              0x400u
#define TSDB_QUERY_TYPE_INSERT                        0x100u    // insert type
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#define TSDB_QUERY_TYPE_MULTITABLE_QUERY              0x200u
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#define TSDB_QUERY_TYPE_STMT_INSERT                   0x800u    // stmt insert type
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#define TSDB_QUERY_HAS_TYPE(x, _type)         (((x) & (_type)) != 0)
#define TSDB_QUERY_SET_TYPE(x, _type)         ((x) |= (_type))
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#define TSDB_QUERY_CLEAR_TYPE(x, _type)       ((x) &= (~_type))
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#define TSDB_QUERY_RESET_TYPE(x)              ((x) = TSDB_QUERY_TYPE_NON_TYPE)

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#define TSDB_ORDER_ASC   1
#define TSDB_ORDER_DESC  2
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#define TSDB_DEFAULT_MNODES_HASH_SIZE   5
#define TSDB_DEFAULT_DNODES_HASH_SIZE   10
#define TSDB_DEFAULT_ACCOUNTS_HASH_SIZE 10
#define TSDB_DEFAULT_USERS_HASH_SIZE    20
#define TSDB_DEFAULT_DBS_HASH_SIZE      100
#define TSDB_DEFAULT_VGROUPS_HASH_SIZE  100
#define TSDB_DEFAULT_STABLES_HASH_SIZE  100
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#define TSDB_DEFAULT_CTABLES_HASH_SIZE  20000
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#define TSDB_PORT_DNODESHELL 0 
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#define TSDB_PORT_DNODEDNODE 5 
#define TSDB_PORT_SYNC       10 
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#define TAOS_QTYPE_RPC      0
#define TAOS_QTYPE_FWD      1
#define TAOS_QTYPE_WAL      2 
#define TAOS_QTYPE_CQ       3
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#define TAOS_QTYPE_QUERY    4
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typedef enum {
  TSDB_SUPER_TABLE        = 0,  // super table
  TSDB_CHILD_TABLE        = 1,  // table created from super table
  TSDB_NORMAL_TABLE       = 2,  // ordinary table
  TSDB_STREAM_TABLE       = 3,  // table created from stream computing
  TSDB_TABLE_MAX          = 4
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} ETableType;

typedef enum {
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  TSDB_MOD_MNODE,
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  TSDB_MOD_HTTP,
  TSDB_MOD_MONITOR,
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  TSDB_MOD_MQTT,
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  TSDB_MOD_MAX
} EModuleType;
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#ifdef __cplusplus
}
#endif

#endif