vendor/github.com/go-sql-driver/mysql/const.go

   1 // Go MySQL Driver - A MySQL-Driver for Go's database/sql package
   2 //
   3 // Copyright 2012 The Go-MySQL-Driver Authors. All rights reserved.
   4 //
   5 // This Source Code Form is subject to the terms of the Mozilla Public
   6 // License, v. 2.0. If a copy of the MPL was not distributed with this file,
   7 // You can obtain one at http://mozilla.org/MPL/2.0/.
   8
   9 package mysql
  10
  11 const (
  12         defaultAuthPlugin       = "mysql_native_password"
  13         defaultMaxAllowedPacket = 4 << 20 // 4 MiB
  14         minProtocolVersion      = 10
  15         maxPacketSize           = 1<<24 - 1
  16         timeFormat              = "2006-01-02 15:04:05.999999"
  17 )
  18
  19 // MySQL constants documentation:
  20 // http://dev.mysql.com/doc/internals/en/client-server-protocol.html
  21
  22 const (
  23         iOK           byte = 0x00
  24         iAuthMoreData byte = 0x01
  25         iLocalInFile  byte = 0xfb
  26         iEOF          byte = 0xfe
  27         iERR          byte = 0xff
  28 )
  29
  30 // https://dev.mysql.com/doc/internals/en/capability-flags.html#packet-Protocol::CapabilityFlags
  31 type clientFlag uint32
  32
  33 const (
  34         clientLongPassword clientFlag = 1 << iota
  35         clientFoundRows
  36         clientLongFlag
  37         clientConnectWithDB
  38         clientNoSchema
  39         clientCompress
  40         clientODBC
  41         clientLocalFiles
  42         clientIgnoreSpace
  43         clientProtocol41
  44         clientInteractive
  45         clientSSL
  46         clientIgnoreSIGPIPE
  47         clientTransactions
  48         clientReserved
  49         clientSecureConn
  50         clientMultiStatements
  51         clientMultiResults
  52         clientPSMultiResults
  53         clientPluginAuth
  54         clientConnectAttrs
  55         clientPluginAuthLenEncClientData
  56         clientCanHandleExpiredPasswords
  57         clientSessionTrack
  58         clientDeprecateEOF
  59 )
  60
  61 const (
  62         comQuit byte = iota + 1
  63         comInitDB
  64         comQuery
  65         comFieldList
  66         comCreateDB
  67         comDropDB
  68         comRefresh
  69         comShutdown
  70         comStatistics
  71         comProcessInfo
  72         comConnect
  73         comProcessKill
  74         comDebug
  75         comPing
  76         comTime
  77         comDelayedInsert
  78         comChangeUser
  79         comBinlogDump
  80         comTableDump
  81         comConnectOut
  82         comRegisterSlave
  83         comStmtPrepare
  84         comStmtExecute
  85         comStmtSendLongData
  86         comStmtClose
  87         comStmtReset
  88         comSetOption
  89         comStmtFetch
  90 )
  91
  92 // https://dev.mysql.com/doc/internals/en/com-query-response.html#packet-Protocol::ColumnType
  93 type fieldType byte
  94
  95 const (
  96         fieldTypeDecimal fieldType = iota
  97         fieldTypeTiny
  98         fieldTypeShort
  99         fieldTypeLong
 100         fieldTypeFloat
 101         fieldTypeDouble
 102         fieldTypeNULL
 103         fieldTypeTimestamp
 104         fieldTypeLongLong
 105         fieldTypeInt24
 106         fieldTypeDate
 107         fieldTypeTime
 108         fieldTypeDateTime
 109         fieldTypeYear
 110         fieldTypeNewDate
 111         fieldTypeVarChar
 112         fieldTypeBit
 113 )
 114 const (
 115         fieldTypeJSON fieldType = iota + 0xf5
 116         fieldTypeNewDecimal
 117         fieldTypeEnum
 118         fieldTypeSet
 119         fieldTypeTinyBLOB
 120         fieldTypeMediumBLOB
 121         fieldTypeLongBLOB
 122         fieldTypeBLOB
 123         fieldTypeVarString
 124         fieldTypeString
 125         fieldTypeGeometry
 126 )
 127
 128 type fieldFlag uint16
 129
 130 const (
 131         flagNotNULL fieldFlag = 1 << iota
 132         flagPriKey
 133         flagUniqueKey
 134         flagMultipleKey
 135         flagBLOB
 136         flagUnsigned
 137         flagZeroFill
 138         flagBinary
 139         flagEnum
 140         flagAutoIncrement
 141         flagTimestamp
 142         flagSet
 143         flagUnknown1
 144         flagUnknown2
 145         flagUnknown3
 146         flagUnknown4
 147 )
 148
 149 // http://dev.mysql.com/doc/internals/en/status-flags.html
 150 type statusFlag uint16
 151
 152 const (
 153         statusInTrans statusFlag = 1 << iota
 154         statusInAutocommit
 155         statusReserved // Not in documentation
 156         statusMoreResultsExists
 157         statusNoGoodIndexUsed
 158         statusNoIndexUsed
 159         statusCursorExists
 160         statusLastRowSent
 161         statusDbDropped
 162         statusNoBackslashEscapes
 163         statusMetadataChanged
 164         statusQueryWasSlow
 165         statusPsOutParams
 166         statusInTransReadonly
 167         statusSessionStateChanged
 168 )
 169
 170 const (
 171         cachingSha2PasswordRequestPublicKey          = 2
 172         cachingSha2PasswordFastAuthSuccess           = 3
 173         cachingSha2PasswordPerformFullAuthentication = 4
 174 )