72 lines
1.8 KiB
Go
72 lines
1.8 KiB
Go
// Copyright 2015 PingCAP, Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package mysql
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import (
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"errors"
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"fmt"
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)
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// Portable analogs of some common call errors.
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var (
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ErrBadConn = errors.New("connection was bad")
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ErrMalformPacket = errors.New("Malform packet error")
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)
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// SQLError records an error information, from executing SQL.
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type SQLError struct {
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Code uint16
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Message string
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State string
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}
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// Error prints errors, with a formatted string.
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func (e *SQLError) Error() string {
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return fmt.Sprintf("ERROR %d (%s): %s", e.Code, e.State, e.Message)
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}
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// NewErr generates a SQL error, with an error code and default format specifier defined in MySQLErrName.
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func NewErr(errCode uint16, args ...interface{}) *SQLError {
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e := &SQLError{Code: errCode}
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if s, ok := MySQLState[errCode]; ok {
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e.State = s
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} else {
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e.State = DefaultMySQLState
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}
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if format, ok := MySQLErrName[errCode]; ok {
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e.Message = fmt.Sprintf(format, args...)
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} else {
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e.Message = fmt.Sprint(args...)
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}
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return e
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}
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// NewErrf creates a SQL error, with an error code and a format specifier
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func NewErrf(errCode uint16, format string, args ...interface{}) *SQLError {
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e := &SQLError{Code: errCode}
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if s, ok := MySQLState[errCode]; ok {
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e.State = s
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} else {
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e.State = DefaultMySQLState
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}
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e.Message = fmt.Sprintf(format, args...)
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return e
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}
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