Initial commit

session-dealer/mysql/const.go

@@ -0,0 +1,105 @@
+package mysql
+
+import "errors"
+
+// Command information.
+const (
+	ComSleep byte = iota
+	ComQuit
+	ComInitDB
+	ComQuery
+	ComFieldList
+	ComCreateDB
+	ComDropDB
+	ComRefresh
+	ComShutdown
+	ComStatistics
+	ComProcessInfo
+	ComConnect
+	ComProcessKill
+	ComDebug
+	ComPing
+	ComTime
+	ComDelayedInsert
+	ComChangeUser
+	ComBinlogDump
+	ComTableDump
+	ComConnectOut
+	ComRegisterSlave
+	ComStmtPrepare
+	ComStmtExecute
+	ComStmtSendLongData
+	ComStmtClose
+	ComStmtReset
+	ComSetOption
+	ComStmtFetch
+	ComBinlogDumpGtid
+	ComResetConnection
+)
+
+const (
+	ComAuth = 141
+)
+
+// Client information.
+const (
+	ClientLongPassword uint32 = 1 << iota
+	ClientFoundRows
+	ClientLongFlag
+	ClientConnectWithDB
+	ClientNoSchema
+	ClientCompress
+	ClientODBC
+	ClientLocalFiles
+	ClientIgnoreSpace
+	ClientProtocol41
+	ClientInteractive
+	ClientSSL
+	ClientIgnoreSigpipe
+	ClientTransactions
+	ClientReserved
+	ClientSecureConnection
+	ClientMultiStatements
+	ClientMultiResults
+	ClientPSMultiResults
+	ClientPluginAuth
+	ClientConnectAtts
+	ClientPluginAuthLenencClientData
+)
+
+
+// Auth name information.
+const (
+	AuthName = "mysql_native_password"
+)
+
+
+// MySQL database and tables.
+const (
+	// SystemDB is the name of system database.
+	SystemDB = "mysql"
+	// UserTable is the table in system db contains user info.
+	UserTable = "User"
+	// DBTable is the table in system db contains db scope privilege info.
+	DBTable = "DB"
+	// GlobalVariablesTable is the table contains global system variables.
+	GlobalVariablesTable = "GLOBAL_VARIABLES"
+	// GlobalStatusTable is the table contains global status variables.
+	GlobalStatusTable = "GLOBAL_STATUS"
+)
+
+
+// Identifier length limitations.
+// See https://dev.mysql.com/doc/refman/5.7/en/identifiers.html
+const (
+	// MaxPayloadLen is the max packet payload length.
+	MaxPayloadLen = 1<<24 - 1
+)
+
+const (
+	datetimeFormat = "2006-01-02 15:04:05"
+)
+
+var (
+	ErrMalformPacket = errors.New("malform packet error")
+)