175 lines
3.3 KiB
Go
175 lines
3.3 KiB
Go
// Go MySQL Driver - A MySQL-Driver for Go's database/sql package
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//
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// Copyright 2012 The Go-MySQL-Driver Authors. All rights reserved.
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//
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// This Source Code Form is subject to the terms of the Mozilla Public
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// License, v. 2.0. If a copy of the MPL was not distributed with this file,
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// You can obtain one at http://mozilla.org/MPL/2.0/.
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package mysql
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const (
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defaultAuthPlugin = "mysql_native_password"
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defaultMaxAllowedPacket = 4 << 20 // 4 MiB
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minProtocolVersion = 10
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maxPacketSize = 1<<24 - 1
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timeFormat = "2006-01-02 15:04:05.999999"
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)
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// MySQL constants documentation:
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// http://dev.mysql.com/doc/internals/en/client-server-protocol.html
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const (
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iOK byte = 0x00
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iAuthMoreData byte = 0x01
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iLocalInFile byte = 0xfb
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iEOF byte = 0xfe
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iERR byte = 0xff
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)
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// https://dev.mysql.com/doc/internals/en/capability-flags.html#packet-Protocol::CapabilityFlags
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type clientFlag uint32
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const (
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clientLongPassword clientFlag = 1 << iota
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clientFoundRows
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clientLongFlag
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clientConnectWithDB
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clientNoSchema
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clientCompress
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clientODBC
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clientLocalFiles
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clientIgnoreSpace
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clientProtocol41
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clientInteractive
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clientSSL
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clientIgnoreSIGPIPE
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clientTransactions
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clientReserved
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clientSecureConn
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clientMultiStatements
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clientMultiResults
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clientPSMultiResults
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clientPluginAuth
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clientConnectAttrs
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clientPluginAuthLenEncClientData
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clientCanHandleExpiredPasswords
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clientSessionTrack
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clientDeprecateEOF
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)
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const (
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comQuit byte = iota + 1
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comInitDB
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comQuery
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comFieldList
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comCreateDB
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comDropDB
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comRefresh
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comShutdown
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comStatistics
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comProcessInfo
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comConnect
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comProcessKill
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comDebug
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comPing
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comTime
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comDelayedInsert
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comChangeUser
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comBinlogDump
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comTableDump
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comConnectOut
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comRegisterSlave
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comStmtPrepare
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comStmtExecute
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comStmtSendLongData
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comStmtClose
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comStmtReset
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comSetOption
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comStmtFetch
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)
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// https://dev.mysql.com/doc/internals/en/com-query-response.html#packet-Protocol::ColumnType
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type fieldType byte
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const (
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fieldTypeDecimal fieldType = iota
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fieldTypeTiny
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fieldTypeShort
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fieldTypeLong
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fieldTypeFloat
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fieldTypeDouble
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fieldTypeNULL
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fieldTypeTimestamp
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fieldTypeLongLong
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fieldTypeInt24
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fieldTypeDate
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fieldTypeTime
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fieldTypeDateTime
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fieldTypeYear
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fieldTypeNewDate
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fieldTypeVarChar
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fieldTypeBit
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)
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const (
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fieldTypeJSON fieldType = iota + 0xf5
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fieldTypeNewDecimal
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fieldTypeEnum
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fieldTypeSet
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fieldTypeTinyBLOB
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fieldTypeMediumBLOB
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fieldTypeLongBLOB
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fieldTypeBLOB
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fieldTypeVarString
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fieldTypeString
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fieldTypeGeometry
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)
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type fieldFlag uint16
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const (
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flagNotNULL fieldFlag = 1 << iota
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flagPriKey
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flagUniqueKey
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flagMultipleKey
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flagBLOB
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flagUnsigned
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flagZeroFill
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flagBinary
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flagEnum
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flagAutoIncrement
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flagTimestamp
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flagSet
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flagUnknown1
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flagUnknown2
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flagUnknown3
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flagUnknown4
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)
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// http://dev.mysql.com/doc/internals/en/status-flags.html
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type statusFlag uint16
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const (
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statusInTrans statusFlag = 1 << iota
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statusInAutocommit
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statusReserved // Not in documentation
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statusMoreResultsExists
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statusNoGoodIndexUsed
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statusNoIndexUsed
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statusCursorExists
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statusLastRowSent
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statusDbDropped
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statusNoBackslashEscapes
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statusMetadataChanged
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statusQueryWasSlow
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statusPsOutParams
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statusInTransReadonly
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statusSessionStateChanged
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)
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const (
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cachingSha2PasswordRequestPublicKey = 2
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cachingSha2PasswordFastAuthSuccess = 3
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cachingSha2PasswordPerformFullAuthentication = 4
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)
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