update go-sql-driver/mysql vendor files

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

@@ -11,7 +11,7 @@ package mysql
 const (
 	minProtocolVersion byte = 10
 	maxPacketSize           = 1<<24 - 1
-	timeFormat              = "2006-01-02 15:04:05"
+	timeFormat              = "2006-01-02 15:04:05.999999"
 )
 
 // MySQL constants documentation:
@@ -24,6 +24,7 @@ const (
 	iERR         byte = 0xff
 )
 
+// https://dev.mysql.com/doc/internals/en/capability-flags.html#packet-Protocol::CapabilityFlags
 type clientFlag uint32
 
 const (
@@ -45,6 +46,13 @@ const (
 	clientSecureConn
 	clientMultiStatements
 	clientMultiResults
+	clientPSMultiResults
+	clientPluginAuth
+	clientConnectAttrs
+	clientPluginAuthLenEncClientData
+	clientCanHandleExpiredPasswords
+	clientSessionTrack
+	clientDeprecateEOF
 )
 
 const (
@@ -68,7 +76,7 @@ const (
 	comBinlogDump
 	comTableDump
 	comConnectOut
-	comRegiserSlave
+	comRegisterSlave
 	comStmtPrepare
 	comStmtExecute
 	comStmtSendLongData
@@ -78,6 +86,7 @@ const (
 	comStmtFetch
 )
 
+// https://dev.mysql.com/doc/internals/en/com-query-response.html#packet-Protocol::ColumnType
 const (
 	fieldTypeDecimal byte = iota
 	fieldTypeTiny
@@ -98,7 +107,8 @@ const (
 	fieldTypeBit
 )
 const (
-	fieldTypeNewDecimal byte = iota + 0xf6
+	fieldTypeJSON byte = iota + 0xf5
+	fieldTypeNewDecimal
 	fieldTypeEnum
 	fieldTypeSet
 	fieldTypeTinyBLOB
@@ -131,12 +141,23 @@ const (
 	flagUnknown4
 )
 
+// http://dev.mysql.com/doc/internals/en/status-flags.html
+type statusFlag uint16
+
 const (
-	collation_ascii_general_ci   byte = 11
-	collation_utf8_general_ci    byte = 33
-	collation_utf8mb4_general_ci byte = 45
-	collation_utf8mb4_bin        byte = 46
-	collation_latin1_general_ci  byte = 48
-	collation_binary             byte = 63
-	collation_utf8mb4_unicode_ci byte = 224
+	statusInTrans statusFlag = 1 << iota
+	statusInAutocommit
+	statusReserved // Not in documentation
+	statusMoreResultsExists
+	statusNoGoodIndexUsed
+	statusNoIndexUsed
+	statusCursorExists
+	statusLastRowSent
+	statusDbDropped
+	statusNoBackslashEscapes
+	statusMetadataChanged
+	statusQueryWasSlow
+	statusPsOutParams
+	statusInTransReadonly
+	statusSessionStateChanged
 )