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author | =Corey Hulen <corey@hulen.com> | 2015-06-14 23:53:32 -0800 |
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committer | =Corey Hulen <corey@hulen.com> | 2015-06-14 23:53:32 -0800 |
commit | cf7a05f80f68b5b1c8bcc0089679dd497cec2506 (patch) | |
tree | 70007378570a6962d7c175ca96af732b71aeb6da /Godeps/_workspace/src/github.com/go-sql-driver/mysql/errors.go | |
download | chat-cf7a05f80f68b5b1c8bcc0089679dd497cec2506.tar.gz chat-cf7a05f80f68b5b1c8bcc0089679dd497cec2506.tar.bz2 chat-cf7a05f80f68b5b1c8bcc0089679dd497cec2506.zip |
first commit
Diffstat (limited to 'Godeps/_workspace/src/github.com/go-sql-driver/mysql/errors.go')
-rw-r--r-- | Godeps/_workspace/src/github.com/go-sql-driver/mysql/errors.go | 129 |
1 files changed, 129 insertions, 0 deletions
diff --git a/Godeps/_workspace/src/github.com/go-sql-driver/mysql/errors.go b/Godeps/_workspace/src/github.com/go-sql-driver/mysql/errors.go new file mode 100644 index 000000000..97d7b3996 --- /dev/null +++ b/Godeps/_workspace/src/github.com/go-sql-driver/mysql/errors.go @@ -0,0 +1,129 @@ +// Go MySQL Driver - A MySQL-Driver for Go's database/sql package +// +// Copyright 2013 The Go-MySQL-Driver Authors. All rights reserved. +// +// This Source Code Form is subject to the terms of the Mozilla Public +// License, v. 2.0. If a copy of the MPL was not distributed with this file, +// You can obtain one at http://mozilla.org/MPL/2.0/. + +package mysql + +import ( + "database/sql/driver" + "errors" + "fmt" + "io" + "log" + "os" +) + +// Various errors the driver might return. Can change between driver versions. +var ( + ErrInvalidConn = errors.New("Invalid Connection") + ErrMalformPkt = errors.New("Malformed Packet") + ErrNoTLS = errors.New("TLS encryption requested but server does not support TLS") + ErrOldPassword = errors.New("This server only supports the insecure old password authentication. If you still want to use it, please add 'allowOldPasswords=1' to your DSN. See also https://github.com/go-sql-driver/mysql/wiki/old_passwords") + ErrOldProtocol = errors.New("MySQL-Server does not support required Protocol 41+") + ErrPktSync = errors.New("Commands out of sync. You can't run this command now") + ErrPktSyncMul = errors.New("Commands out of sync. Did you run multiple statements at once?") + ErrPktTooLarge = errors.New("Packet for query is too large. You can change this value on the server by adjusting the 'max_allowed_packet' variable.") + ErrBusyBuffer = errors.New("Busy buffer") +) + +var errLog Logger = log.New(os.Stderr, "[MySQL] ", log.Ldate|log.Ltime|log.Lshortfile) + +// Logger is used to log critical error messages. +type Logger interface { + Print(v ...interface{}) +} + +// SetLogger is used to set the logger for critical errors. +// The initial logger is os.Stderr. +func SetLogger(logger Logger) error { + if logger == nil { + return errors.New("logger is nil") + } + errLog = logger + return nil +} + +// MySQLError is an error type which represents a single MySQL error +type MySQLError struct { + Number uint16 + Message string +} + +func (me *MySQLError) Error() string { + return fmt.Sprintf("Error %d: %s", me.Number, me.Message) +} + +// MySQLWarnings is an error type which represents a group of one or more MySQL +// warnings +type MySQLWarnings []MySQLWarning + +func (mws MySQLWarnings) Error() string { + var msg string + for i, warning := range mws { + if i > 0 { + msg += "\r\n" + } + msg += fmt.Sprintf( + "%s %s: %s", + warning.Level, + warning.Code, + warning.Message, + ) + } + return msg +} + +// MySQLWarning is an error type which represents a single MySQL warning. +// Warnings are returned in groups only. See MySQLWarnings +type MySQLWarning struct { + Level string + Code string + Message string +} + +func (mc *mysqlConn) getWarnings() (err error) { + rows, err := mc.Query("SHOW WARNINGS", nil) + if err != nil { + return + } + + var warnings = MySQLWarnings{} + var values = make([]driver.Value, 3) + + for { + err = rows.Next(values) + switch err { + case nil: + warning := MySQLWarning{} + + if raw, ok := values[0].([]byte); ok { + warning.Level = string(raw) + } else { + warning.Level = fmt.Sprintf("%s", values[0]) + } + if raw, ok := values[1].([]byte); ok { + warning.Code = string(raw) + } else { + warning.Code = fmt.Sprintf("%s", values[1]) + } + if raw, ok := values[2].([]byte); ok { + warning.Message = string(raw) + } else { + warning.Message = fmt.Sprintf("%s", values[0]) + } + + warnings = append(warnings, warning) + + case io.EOF: + return warnings + + default: + rows.Close() + return + } + } +} |