664 lines
32 KiB
Go
664 lines
32 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 charset
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import (
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"slices"
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"strings"
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"github.com/pingcap/errors"
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"github.com/pingcap/log"
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"github.com/pingcap/tidb/pkg/parser/mysql"
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"github.com/pingcap/tidb/pkg/parser/terror"
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"go.uber.org/zap"
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)
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var (
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// ErrUnknownCollation is unknown collation.
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ErrUnknownCollation = terror.ClassDDL.NewStd(mysql.ErrUnknownCollation)
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// ErrCollationCharsetMismatch is collation charset mismatch.
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ErrCollationCharsetMismatch = terror.ClassDDL.NewStd(mysql.ErrCollationCharsetMismatch)
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)
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var (
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// PadSpace is to mark that trailing spaces are insignificant in comparisons
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PadSpace = "PAD SPACE"
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// PadNone is to mark that trailing spaces are significant in comparisons
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PadNone = "NO PAD"
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)
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// Charset is a charset.
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// Now we only support MySQL.
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type Charset struct {
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Name string
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DefaultCollation string
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Collations map[string]*Collation
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Desc string
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Maxlen int
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}
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// Collation is a collation.
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// Now we only support MySQL.
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type Collation struct {
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ID int
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CharsetName string
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Name string
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IsDefault bool
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Sortlen int
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PadAttribute string
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}
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var collationsIDMap = make(map[int]*Collation)
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var collationsNameMap = make(map[string]*Collation)
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var supportedCollations = make([]*Collation, 0, len(supportedCollationNames))
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// CharacterSetInfos contains all the supported charsets.
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var CharacterSetInfos = map[string]*Charset{
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CharsetUTF8: {CharsetUTF8, CollationUTF8, make(map[string]*Collation), "UTF-8 Unicode", 3},
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CharsetUTF8MB4: {CharsetUTF8MB4, CollationUTF8MB4, make(map[string]*Collation), "UTF-8 Unicode", 4},
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CharsetASCII: {CharsetASCII, CollationASCII, make(map[string]*Collation), "US ASCII", 1},
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CharsetLatin1: {CharsetLatin1, CollationLatin1, make(map[string]*Collation), "Latin1", 1},
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CharsetBin: {CharsetBin, CollationBin, make(map[string]*Collation), "binary", 1},
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CharsetGBK: {CharsetGBK, CollationGBKBin, make(map[string]*Collation), "Chinese Internal Code Specification", 2},
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}
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// All the names supported collations should be in the following table.
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var supportedCollationNames = map[string]struct{}{
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CollationUTF8: {},
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CollationUTF8MB4: {},
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CollationASCII: {},
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CollationLatin1: {},
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CollationBin: {},
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CollationGBKBin: {},
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}
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// TiFlashSupportedCharsets is a map which contains TiFlash supports charsets.
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var TiFlashSupportedCharsets = map[string]struct{}{
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CharsetUTF8: {},
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CharsetUTF8MB4: {},
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CharsetASCII: {},
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CharsetLatin1: {},
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CharsetBin: {},
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}
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// GetSupportedCharsets gets descriptions for all charsets supported so far.
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func GetSupportedCharsets() []*Charset {
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charsets := make([]*Charset, 0, len(CharacterSetInfos))
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for _, ch := range CharacterSetInfos {
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charsets = append(charsets, ch)
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}
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// sort charset by name.
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slices.SortFunc(charsets, func(i, j *Charset) int {
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return strings.Compare(i.Name, j.Name)
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})
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return charsets
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}
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// GetSupportedCollations gets information for all collations supported so far.
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func GetSupportedCollations() []*Collation {
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return supportedCollations
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}
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// ValidCharsetAndCollation checks the charset and the collation validity
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// and returns a boolean.
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func ValidCharsetAndCollation(cs string, co string) bool {
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// We will use utf8 as a default charset.
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if cs == "" || cs == CharsetUTF8MB3 {
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cs = CharsetUTF8
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}
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chs, err := GetCharsetInfo(cs)
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if err != nil {
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return false
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}
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if co == "" {
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return true
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}
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co = utf8Alias(strings.ToLower(co))
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_, ok := chs.Collations[co]
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return ok
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}
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// GetDefaultCollationLegacy is compatible with the charset support in old version parser.
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func GetDefaultCollationLegacy(charset string) (string, error) {
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switch strings.ToLower(charset) {
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case CharsetUTF8MB3:
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return GetDefaultCollation(CharsetUTF8)
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case CharsetUTF8, CharsetUTF8MB4, CharsetASCII, CharsetLatin1, CharsetBin:
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return GetDefaultCollation(charset)
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default:
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return "", errors.Errorf("Unknown charset %s", charset)
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}
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}
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// GetDefaultCollation returns the default collation for charset.
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func GetDefaultCollation(charset string) (string, error) {
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cs, err := GetCharsetInfo(charset)
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if err != nil {
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return "", err
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}
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return cs.DefaultCollation, nil
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}
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// GetDefaultCharsetAndCollate returns the default charset and collation.
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func GetDefaultCharsetAndCollate() (defaultCharset string, defaultCollationName string) {
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return mysql.DefaultCharset, mysql.DefaultCollationName
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}
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// GetCharsetInfo returns charset and collation for cs as name.
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func GetCharsetInfo(cs string) (*Charset, error) {
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if strings.ToLower(cs) == CharsetUTF8MB3 {
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cs = CharsetUTF8
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}
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if c, ok := CharacterSetInfos[strings.ToLower(cs)]; ok {
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return c, nil
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}
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if c, ok := charsets[strings.ToLower(cs)]; ok {
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return c, errors.Errorf("Unsupported charset %s", cs)
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}
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return nil, errors.Errorf("Unknown charset %s", cs)
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}
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// GetCharsetInfoByID returns charset and collation for id as cs_number.
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func GetCharsetInfoByID(coID int) (charsetStr string, collateStr string, err error) {
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if coID == mysql.DefaultCollationID {
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return mysql.DefaultCharset, mysql.DefaultCollationName, nil
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}
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if collation, ok := collationsIDMap[coID]; ok {
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return collation.CharsetName, collation.Name, nil
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}
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log.Warn(
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"unable to get collation name from collation ID, return default charset and collation instead",
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zap.Int("ID", coID),
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zap.Stack("stack"))
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return mysql.DefaultCharset, mysql.DefaultCollationName, errors.Errorf("Unknown collation id %d", coID)
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}
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func utf8Alias(csname string) string {
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switch csname {
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case "utf8mb3_bin":
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csname = "utf8_bin"
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case "utf8mb3_unicode_ci":
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csname = "utf8_unicode_ci"
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case "utf8mb3_general_ci":
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csname = "utf8_general_ci"
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default:
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}
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return csname
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}
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// GetCollationByName returns the collation by name.
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func GetCollationByName(name string) (*Collation, error) {
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csname := utf8Alias(strings.ToLower(name))
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collation, ok := collationsNameMap[csname]
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if !ok {
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return nil, ErrUnknownCollation.GenWithStackByArgs(name)
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}
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return collation, nil
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}
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// GetCollationByID returns collations by given id.
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func GetCollationByID(id int) (*Collation, error) {
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collation, ok := collationsIDMap[id]
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if !ok {
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return nil, errors.Errorf("Unknown collation id %d", id)
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}
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return collation, nil
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}
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const (
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// CollationBin is the default collation for CharsetBin.
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CollationBin = "binary"
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// CollationUTF8 is the default collation for CharsetUTF8.
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CollationUTF8 = "utf8_bin"
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// CollationUTF8MB4 is the default collation for CharsetUTF8MB4.
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CollationUTF8MB4 = "utf8mb4_bin"
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// CollationASCII is the default collation for CharsetACSII.
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CollationASCII = "ascii_bin"
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// CollationLatin1 is the default collation for CharsetLatin1.
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CollationLatin1 = "latin1_bin"
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// CollationGBKBin is the default collation for CharsetGBK when new collation is disabled.
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CollationGBKBin = "gbk_bin"
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// CollationGBKChineseCI is the default collation for CharsetGBK when new collation is enabled.
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CollationGBKChineseCI = "gbk_chinese_ci"
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)
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const (
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// CharsetASCII is a subset of UTF8.
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CharsetASCII = "ascii"
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// CharsetBin is used for marking binary charset.
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CharsetBin = "binary"
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// CharsetLatin1 is a single byte charset.
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CharsetLatin1 = "latin1"
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// CharsetUTF8 is the default charset for string types.
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CharsetUTF8 = "utf8"
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// CharsetUTF8MB3 is 3 bytes utf8, a MySQL legacy encoding. "utf8" and "utf8mb3" are aliases.
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CharsetUTF8MB3 = "utf8mb3"
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// CharsetUTF8MB4 represents 4 bytes utf8, which works the same way as utf8 in Go.
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CharsetUTF8MB4 = "utf8mb4"
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//revive:disable:exported
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CharsetARMSCII8 = "armscii8"
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CharsetBig5 = "big5"
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CharsetCP1250 = "cp1250"
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CharsetCP1251 = "cp1251"
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CharsetCP1256 = "cp1256"
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CharsetCP1257 = "cp1257"
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CharsetCP850 = "cp850"
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CharsetCP852 = "cp852"
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CharsetCP866 = "cp866"
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CharsetCP932 = "cp932"
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CharsetDEC8 = "dec8"
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CharsetEUCJPMS = "eucjpms"
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CharsetEUCKR = "euckr"
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CharsetGB18030 = "gb18030"
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CharsetGB2312 = "gb2312"
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CharsetGBK = "gbk"
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CharsetGEOSTD8 = "geostd8"
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CharsetGreek = "greek"
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CharsetHebrew = "hebrew"
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CharsetHP8 = "hp8"
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CharsetKEYBCS2 = "keybcs2"
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CharsetKOI8R = "koi8r"
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CharsetKOI8U = "koi8u"
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CharsetLatin2 = "latin2"
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CharsetLatin5 = "latin5"
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CharsetLatin7 = "latin7"
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CharsetMacCE = "macce"
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CharsetMacRoman = "macroman"
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CharsetSJIS = "sjis"
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CharsetSWE7 = "swe7"
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CharsetTIS620 = "tis620"
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CharsetUCS2 = "ucs2"
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CharsetUJIS = "ujis"
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CharsetUTF16 = "utf16"
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CharsetUTF16LE = "utf16le"
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CharsetUTF32 = "utf32"
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//revive:enable:exported
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)
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var charsets = map[string]*Charset{
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CharsetARMSCII8: {Name: CharsetARMSCII8, Maxlen: 1, DefaultCollation: "armscii8_general_ci", Desc: "ARMSCII-8 Armenian", Collations: make(map[string]*Collation)},
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CharsetASCII: {Name: CharsetASCII, Maxlen: 1, DefaultCollation: "ascii_general_ci", Desc: "US ASCII", Collations: make(map[string]*Collation)},
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CharsetBig5: {Name: CharsetBig5, Maxlen: 2, DefaultCollation: "big5_chinese_ci", Desc: "Big5 Traditional Chinese", Collations: make(map[string]*Collation)},
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CharsetBin: {Name: CharsetBin, Maxlen: 1, DefaultCollation: "binary", Desc: "Binary pseudo charset", Collations: make(map[string]*Collation)},
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CharsetLatin1: {Name: CharsetLatin1, Maxlen: 1, DefaultCollation: "cp1250_general_ci", Desc: "Windows Central European", Collations: make(map[string]*Collation)},
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CharsetCP1250: {Name: CharsetCP1250, Maxlen: 1, DefaultCollation: "cp1251_general_ci", Desc: "Windows Cyrillic", Collations: make(map[string]*Collation)},
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CharsetCP1251: {Name: CharsetCP1251, Maxlen: 1, DefaultCollation: "cp1256_general_ci", Desc: "Windows Arabic", Collations: make(map[string]*Collation)},
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CharsetCP1256: {Name: CharsetCP1256, Maxlen: 1, DefaultCollation: "cp1257_general_ci", Desc: "Windows Baltic", Collations: make(map[string]*Collation)},
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CharsetCP1257: {Name: CharsetCP1257, Maxlen: 1, DefaultCollation: "cp850_general_ci", Desc: "DOS West European", Collations: make(map[string]*Collation)},
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CharsetCP850: {Name: CharsetCP850, Maxlen: 1, DefaultCollation: "cp852_general_ci", Desc: "DOS Central European", Collations: make(map[string]*Collation)},
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CharsetCP852: {Name: CharsetCP852, Maxlen: 1, DefaultCollation: "cp866_general_ci", Desc: "DOS Russian", Collations: make(map[string]*Collation)},
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CharsetCP866: {Name: CharsetCP866, Maxlen: 1, DefaultCollation: "cp932_japanese_ci", Desc: "SJIS for Windows Japanese", Collations: make(map[string]*Collation)},
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CharsetCP932: {Name: CharsetCP932, Maxlen: 2, DefaultCollation: "dec8_swedish_ci", Desc: "DEC West European", Collations: make(map[string]*Collation)},
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CharsetDEC8: {Name: CharsetDEC8, Maxlen: 1, DefaultCollation: "eucjpms_japanese_ci", Desc: "UJIS for Windows Japanese", Collations: make(map[string]*Collation)},
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CharsetEUCJPMS: {Name: CharsetEUCJPMS, Maxlen: 3, DefaultCollation: "euckr_korean_ci", Desc: "EUC-KR Korean", Collations: make(map[string]*Collation)},
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CharsetEUCKR: {Name: CharsetEUCKR, Maxlen: 2, DefaultCollation: "gb18030_chinese_ci", Desc: "China National Standard GB18030", Collations: make(map[string]*Collation)},
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CharsetGB18030: {Name: CharsetGB18030, Maxlen: 4, DefaultCollation: "gb2312_chinese_ci", Desc: "GB2312 Simplified Chinese", Collations: make(map[string]*Collation)},
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CharsetGB2312: {Name: CharsetGB2312, Maxlen: 2, DefaultCollation: "gbk_chinese_ci", Desc: "GBK Simplified Chinese", Collations: make(map[string]*Collation)},
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CharsetGBK: {Name: CharsetGBK, Maxlen: 2, DefaultCollation: "geostd8_general_ci", Desc: "GEOSTD8 Georgian", Collations: make(map[string]*Collation)},
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CharsetGEOSTD8: {Name: CharsetGEOSTD8, Maxlen: 1, DefaultCollation: "greek_general_ci", Desc: "ISO 8859-7 Greek", Collations: make(map[string]*Collation)},
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CharsetGreek: {Name: CharsetGreek, Maxlen: 1, DefaultCollation: "hebrew_general_ci", Desc: "ISO 8859-8 Hebrew", Collations: make(map[string]*Collation)},
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CharsetHebrew: {Name: CharsetHebrew, Maxlen: 1, DefaultCollation: "hp8_english_ci", Desc: "HP West European", Collations: make(map[string]*Collation)},
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CharsetHP8: {Name: CharsetHP8, Maxlen: 1, DefaultCollation: "keybcs2_general_ci", Desc: "DOS Kamenicky Czech-Slovak", Collations: make(map[string]*Collation)},
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CharsetKEYBCS2: {Name: CharsetKEYBCS2, Maxlen: 1, DefaultCollation: "koi8r_general_ci", Desc: "KOI8-R Relcom Russian", Collations: make(map[string]*Collation)},
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CharsetKOI8R: {Name: CharsetKOI8R, Maxlen: 1, DefaultCollation: "koi8u_general_ci", Desc: "KOI8-U Ukrainian", Collations: make(map[string]*Collation)},
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CharsetKOI8U: {Name: CharsetKOI8U, Maxlen: 1, DefaultCollation: "latin1_swedish_ci", Desc: "cp1252 West European", Collations: make(map[string]*Collation)},
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CharsetLatin2: {Name: CharsetLatin2, Maxlen: 1, DefaultCollation: "latin2_general_ci", Desc: "ISO 8859-2 Central European", Collations: make(map[string]*Collation)},
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CharsetLatin5: {Name: CharsetLatin5, Maxlen: 1, DefaultCollation: "latin5_turkish_ci", Desc: "ISO 8859-9 Turkish", Collations: make(map[string]*Collation)},
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CharsetLatin7: {Name: CharsetLatin7, Maxlen: 1, DefaultCollation: "latin7_general_ci", Desc: "ISO 8859-13 Baltic", Collations: make(map[string]*Collation)},
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CharsetMacCE: {Name: CharsetMacCE, Maxlen: 1, DefaultCollation: "macce_general_ci", Desc: "Mac Central European", Collations: make(map[string]*Collation)},
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CharsetMacRoman: {Name: CharsetMacRoman, Maxlen: 1, DefaultCollation: "macroman_general_ci", Desc: "Mac West European", Collations: make(map[string]*Collation)},
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CharsetSJIS: {Name: CharsetSJIS, Maxlen: 2, DefaultCollation: "sjis_japanese_ci", Desc: "Shift-JIS Japanese", Collations: make(map[string]*Collation)},
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CharsetSWE7: {Name: CharsetSWE7, Maxlen: 1, DefaultCollation: "swe7_swedish_ci", Desc: "7bit Swedish", Collations: make(map[string]*Collation)},
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CharsetTIS620: {Name: CharsetTIS620, Maxlen: 1, DefaultCollation: "tis620_thai_ci", Desc: "TIS620 Thai", Collations: make(map[string]*Collation)},
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CharsetUCS2: {Name: CharsetUCS2, Maxlen: 2, DefaultCollation: "ucs2_general_ci", Desc: "UCS-2 Unicode", Collations: make(map[string]*Collation)},
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CharsetUJIS: {Name: CharsetUJIS, Maxlen: 3, DefaultCollation: "ujis_japanese_ci", Desc: "EUC-JP Japanese", Collations: make(map[string]*Collation)},
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CharsetUTF16: {Name: CharsetUTF16, Maxlen: 4, DefaultCollation: "utf16_general_ci", Desc: "UTF-16 Unicode", Collations: make(map[string]*Collation)},
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CharsetUTF16LE: {Name: CharsetUTF16LE, Maxlen: 4, DefaultCollation: "utf16le_general_ci", Desc: "UTF-16LE Unicode", Collations: make(map[string]*Collation)},
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CharsetUTF32: {Name: CharsetUTF32, Maxlen: 4, DefaultCollation: "utf32_general_ci", Desc: "UTF-32 Unicode", Collations: make(map[string]*Collation)},
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CharsetUTF8: {Name: CharsetUTF8, Maxlen: 3, DefaultCollation: "utf8_general_ci", Desc: "UTF-8 Unicode", Collations: make(map[string]*Collation)},
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CharsetUTF8MB4: {Name: CharsetUTF8MB4, Maxlen: 4, DefaultCollation: "utf8mb4_0900_ai_ci", Desc: "UTF-8 Unicode", Collations: make(map[string]*Collation)},
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}
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var collations = []*Collation{
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{1, "big5", "big5_chinese_ci", true, 1, PadSpace},
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{2, "latin2", "latin2_czech_cs", false, 1, PadSpace},
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{3, "dec8", "dec8_swedish_ci", true, 1, PadSpace},
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{4, "cp850", "cp850_general_ci", true, 1, PadSpace},
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{5, "latin1", "latin1_german1_ci", false, 1, PadSpace},
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{6, "hp8", "hp8_english_ci", true, 1, PadSpace},
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{7, "koi8r", "koi8r_general_ci", true, 1, PadSpace},
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{8, "latin1", "latin1_swedish_ci", false, 1, PadSpace},
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{9, "latin2", "latin2_general_ci", true, 1, PadSpace},
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{10, "swe7", "swe7_swedish_ci", true, 1, PadSpace},
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{11, "ascii", "ascii_general_ci", false, 1, PadSpace},
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{12, "ujis", "ujis_japanese_ci", true, 1, PadSpace},
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{13, "sjis", "sjis_japanese_ci", true, 1, PadSpace},
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{14, "cp1251", "cp1251_bulgarian_ci", false, 1, PadSpace},
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{15, "latin1", "latin1_danish_ci", false, 1, PadSpace},
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{16, "hebrew", "hebrew_general_ci", true, 1, PadSpace},
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{18, "tis620", "tis620_thai_ci", true, 1, PadSpace},
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{19, "euckr", "euckr_korean_ci", true, 1, PadSpace},
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{20, "latin7", "latin7_estonian_cs", false, 1, PadSpace},
|
|
{21, "latin2", "latin2_hungarian_ci", false, 1, PadSpace},
|
|
{22, "koi8u", "koi8u_general_ci", true, 1, PadSpace},
|
|
{23, "cp1251", "cp1251_ukrainian_ci", false, 1, PadSpace},
|
|
{24, "gb2312", "gb2312_chinese_ci", true, 1, PadSpace},
|
|
{25, "greek", "greek_general_ci", true, 1, PadSpace},
|
|
{26, "cp1250", "cp1250_general_ci", true, 1, PadSpace},
|
|
{27, "latin2", "latin2_croatian_ci", false, 1, PadSpace},
|
|
{28, "gbk", "gbk_chinese_ci", false, 1, PadSpace},
|
|
{29, "cp1257", "cp1257_lithuanian_ci", false, 1, PadSpace},
|
|
{30, "latin5", "latin5_turkish_ci", true, 1, PadSpace},
|
|
{31, "latin1", "latin1_german2_ci", false, 1, PadSpace},
|
|
{32, "armscii8", "armscii8_general_ci", true, 1, PadSpace},
|
|
{33, "utf8", "utf8_general_ci", false, 1, PadSpace},
|
|
{34, "cp1250", "cp1250_czech_cs", false, 1, PadSpace},
|
|
{35, "ucs2", "ucs2_general_ci", true, 1, PadSpace},
|
|
{36, "cp866", "cp866_general_ci", true, 1, PadSpace},
|
|
{37, "keybcs2", "keybcs2_general_ci", true, 1, PadSpace},
|
|
{38, "macce", "macce_general_ci", true, 1, PadSpace},
|
|
{39, "macroman", "macroman_general_ci", true, 1, PadSpace},
|
|
{40, "cp852", "cp852_general_ci", true, 1, PadSpace},
|
|
{41, "latin7", "latin7_general_ci", true, 1, PadSpace},
|
|
{42, "latin7", "latin7_general_cs", false, 1, PadSpace},
|
|
{43, "macce", "macce_bin", false, 1, PadSpace},
|
|
{44, "cp1250", "cp1250_croatian_ci", false, 1, PadSpace},
|
|
{45, "utf8mb4", "utf8mb4_general_ci", false, 1, PadSpace},
|
|
{46, "utf8mb4", "utf8mb4_bin", true, 1, PadSpace},
|
|
{47, "latin1", "latin1_bin", true, 1, PadSpace},
|
|
{48, "latin1", "latin1_general_ci", false, 1, PadSpace},
|
|
{49, "latin1", "latin1_general_cs", false, 1, PadSpace},
|
|
{50, "cp1251", "cp1251_bin", false, 1, PadSpace},
|
|
{51, "cp1251", "cp1251_general_ci", true, 1, PadSpace},
|
|
{52, "cp1251", "cp1251_general_cs", false, 1, PadSpace},
|
|
{53, "macroman", "macroman_bin", false, 1, PadSpace},
|
|
{54, "utf16", "utf16_general_ci", true, 1, PadSpace},
|
|
{55, "utf16", "utf16_bin", false, 1, PadSpace},
|
|
{56, "utf16le", "utf16le_general_ci", true, 1, PadSpace},
|
|
{57, "cp1256", "cp1256_general_ci", true, 1, PadSpace},
|
|
{58, "cp1257", "cp1257_bin", false, 1, PadSpace},
|
|
{59, "cp1257", "cp1257_general_ci", true, 1, PadSpace},
|
|
{60, "utf32", "utf32_general_ci", true, 1, PadSpace},
|
|
{61, "utf32", "utf32_bin", false, 1, PadSpace},
|
|
{62, "utf16le", "utf16le_bin", false, 1, PadSpace},
|
|
{63, "binary", "binary", true, 1, PadNone},
|
|
{64, "armscii8", "armscii8_bin", false, 1, PadSpace},
|
|
{65, "ascii", "ascii_bin", true, 1, PadSpace},
|
|
{66, "cp1250", "cp1250_bin", false, 1, PadSpace},
|
|
{67, "cp1256", "cp1256_bin", false, 1, PadSpace},
|
|
{68, "cp866", "cp866_bin", false, 1, PadSpace},
|
|
{69, "dec8", "dec8_bin", false, 1, PadSpace},
|
|
{70, "greek", "greek_bin", false, 1, PadSpace},
|
|
{71, "hebrew", "hebrew_bin", false, 1, PadSpace},
|
|
{72, "hp8", "hp8_bin", false, 1, PadSpace},
|
|
{73, "keybcs2", "keybcs2_bin", false, 1, PadSpace},
|
|
{74, "koi8r", "koi8r_bin", false, 1, PadSpace},
|
|
{75, "koi8u", "koi8u_bin", false, 1, PadSpace},
|
|
{76, "utf8", "utf8_tolower_ci", false, 1, PadNone},
|
|
{77, "latin2", "latin2_bin", false, 1, PadSpace},
|
|
{78, "latin5", "latin5_bin", false, 1, PadSpace},
|
|
{79, "latin7", "latin7_bin", false, 1, PadSpace},
|
|
{80, "cp850", "cp850_bin", false, 1, PadSpace},
|
|
{81, "cp852", "cp852_bin", false, 1, PadSpace},
|
|
{82, "swe7", "swe7_bin", false, 1, PadSpace},
|
|
{83, "utf8", "utf8_bin", true, 1, PadSpace},
|
|
{84, "big5", "big5_bin", false, 1, PadSpace},
|
|
{85, "euckr", "euckr_bin", false, 1, PadSpace},
|
|
{86, "gb2312", "gb2312_bin", false, 1, PadSpace},
|
|
{87, "gbk", "gbk_bin", true, 1, PadSpace},
|
|
{88, "sjis", "sjis_bin", false, 1, PadSpace},
|
|
{89, "tis620", "tis620_bin", false, 1, PadSpace},
|
|
{90, "ucs2", "ucs2_bin", false, 1, PadSpace},
|
|
{91, "ujis", "ujis_bin", false, 1, PadSpace},
|
|
{92, "geostd8", "geostd8_general_ci", true, 1, PadSpace},
|
|
{93, "geostd8", "geostd8_bin", false, 1, PadSpace},
|
|
{94, "latin1", "latin1_spanish_ci", false, 1, PadSpace},
|
|
{95, "cp932", "cp932_japanese_ci", true, 1, PadSpace},
|
|
{96, "cp932", "cp932_bin", false, 1, PadSpace},
|
|
{97, "eucjpms", "eucjpms_japanese_ci", true, 1, PadSpace},
|
|
{98, "eucjpms", "eucjpms_bin", false, 1, PadSpace},
|
|
{99, "cp1250", "cp1250_polish_ci", false, 1, PadSpace},
|
|
{101, "utf16", "utf16_unicode_ci", false, 1, PadSpace},
|
|
{102, "utf16", "utf16_icelandic_ci", false, 1, PadSpace},
|
|
{103, "utf16", "utf16_latvian_ci", false, 1, PadSpace},
|
|
{104, "utf16", "utf16_romanian_ci", false, 1, PadSpace},
|
|
{105, "utf16", "utf16_slovenian_ci", false, 1, PadSpace},
|
|
{106, "utf16", "utf16_polish_ci", false, 1, PadSpace},
|
|
{107, "utf16", "utf16_estonian_ci", false, 1, PadSpace},
|
|
{108, "utf16", "utf16_spanish_ci", false, 1, PadSpace},
|
|
{109, "utf16", "utf16_swedish_ci", false, 1, PadSpace},
|
|
{110, "utf16", "utf16_turkish_ci", false, 1, PadSpace},
|
|
{111, "utf16", "utf16_czech_ci", false, 1, PadSpace},
|
|
{112, "utf16", "utf16_danish_ci", false, 1, PadSpace},
|
|
{113, "utf16", "utf16_lithuanian_ci", false, 1, PadSpace},
|
|
{114, "utf16", "utf16_slovak_ci", false, 1, PadSpace},
|
|
{115, "utf16", "utf16_spanish2_ci", false, 1, PadSpace},
|
|
{116, "utf16", "utf16_roman_ci", false, 1, PadSpace},
|
|
{117, "utf16", "utf16_persian_ci", false, 1, PadSpace},
|
|
{118, "utf16", "utf16_esperanto_ci", false, 1, PadSpace},
|
|
{119, "utf16", "utf16_hungarian_ci", false, 1, PadSpace},
|
|
{120, "utf16", "utf16_sinhala_ci", false, 1, PadSpace},
|
|
{121, "utf16", "utf16_german2_ci", false, 1, PadSpace},
|
|
{122, "utf16", "utf16_croatian_ci", false, 1, PadSpace},
|
|
{123, "utf16", "utf16_unicode_520_ci", false, 1, PadSpace},
|
|
{124, "utf16", "utf16_vietnamese_ci", false, 1, PadSpace},
|
|
{128, "ucs2", "ucs2_unicode_ci", false, 1, PadSpace},
|
|
{129, "ucs2", "ucs2_icelandic_ci", false, 1, PadSpace},
|
|
{130, "ucs2", "ucs2_latvian_ci", false, 1, PadSpace},
|
|
{131, "ucs2", "ucs2_romanian_ci", false, 1, PadSpace},
|
|
{132, "ucs2", "ucs2_slovenian_ci", false, 1, PadSpace},
|
|
{133, "ucs2", "ucs2_polish_ci", false, 1, PadSpace},
|
|
{134, "ucs2", "ucs2_estonian_ci", false, 1, PadSpace},
|
|
{135, "ucs2", "ucs2_spanish_ci", false, 1, PadSpace},
|
|
{136, "ucs2", "ucs2_swedish_ci", false, 1, PadSpace},
|
|
{137, "ucs2", "ucs2_turkish_ci", false, 1, PadSpace},
|
|
{138, "ucs2", "ucs2_czech_ci", false, 1, PadSpace},
|
|
{139, "ucs2", "ucs2_danish_ci", false, 1, PadSpace},
|
|
{140, "ucs2", "ucs2_lithuanian_ci", false, 1, PadSpace},
|
|
{141, "ucs2", "ucs2_slovak_ci", false, 1, PadSpace},
|
|
{142, "ucs2", "ucs2_spanish2_ci", false, 1, PadSpace},
|
|
{143, "ucs2", "ucs2_roman_ci", false, 1, PadSpace},
|
|
{144, "ucs2", "ucs2_persian_ci", false, 1, PadSpace},
|
|
{145, "ucs2", "ucs2_esperanto_ci", false, 1, PadSpace},
|
|
{146, "ucs2", "ucs2_hungarian_ci", false, 1, PadSpace},
|
|
{147, "ucs2", "ucs2_sinhala_ci", false, 1, PadSpace},
|
|
{148, "ucs2", "ucs2_german2_ci", false, 1, PadSpace},
|
|
{149, "ucs2", "ucs2_croatian_ci", false, 1, PadSpace},
|
|
{150, "ucs2", "ucs2_unicode_520_ci", false, 1, PadSpace},
|
|
{151, "ucs2", "ucs2_vietnamese_ci", false, 1, PadSpace},
|
|
{159, "ucs2", "ucs2_general_mysql500_ci", false, 1, PadSpace},
|
|
{160, "utf32", "utf32_unicode_ci", false, 1, PadSpace},
|
|
{161, "utf32", "utf32_icelandic_ci", false, 1, PadSpace},
|
|
{162, "utf32", "utf32_latvian_ci", false, 1, PadSpace},
|
|
{163, "utf32", "utf32_romanian_ci", false, 1, PadSpace},
|
|
{164, "utf32", "utf32_slovenian_ci", false, 1, PadSpace},
|
|
{165, "utf32", "utf32_polish_ci", false, 1, PadSpace},
|
|
{166, "utf32", "utf32_estonian_ci", false, 1, PadSpace},
|
|
{167, "utf32", "utf32_spanish_ci", false, 1, PadSpace},
|
|
{168, "utf32", "utf32_swedish_ci", false, 1, PadSpace},
|
|
{169, "utf32", "utf32_turkish_ci", false, 1, PadSpace},
|
|
{170, "utf32", "utf32_czech_ci", false, 1, PadSpace},
|
|
{171, "utf32", "utf32_danish_ci", false, 1, PadSpace},
|
|
{172, "utf32", "utf32_lithuanian_ci", false, 1, PadSpace},
|
|
{173, "utf32", "utf32_slovak_ci", false, 1, PadSpace},
|
|
{174, "utf32", "utf32_spanish2_ci", false, 1, PadSpace},
|
|
{175, "utf32", "utf32_roman_ci", false, 1, PadSpace},
|
|
{176, "utf32", "utf32_persian_ci", false, 1, PadSpace},
|
|
{177, "utf32", "utf32_esperanto_ci", false, 1, PadSpace},
|
|
{178, "utf32", "utf32_hungarian_ci", false, 1, PadSpace},
|
|
{179, "utf32", "utf32_sinhala_ci", false, 1, PadSpace},
|
|
{180, "utf32", "utf32_german2_ci", false, 1, PadSpace},
|
|
{181, "utf32", "utf32_croatian_ci", false, 1, PadSpace},
|
|
{182, "utf32", "utf32_unicode_520_ci", false, 1, PadSpace},
|
|
{183, "utf32", "utf32_vietnamese_ci", false, 1, PadSpace},
|
|
{192, "utf8", "utf8_unicode_ci", false, 8, PadSpace},
|
|
{193, "utf8", "utf8_icelandic_ci", false, 1, PadNone},
|
|
{194, "utf8", "utf8_latvian_ci", false, 1, PadNone},
|
|
{195, "utf8", "utf8_romanian_ci", false, 1, PadNone},
|
|
{196, "utf8", "utf8_slovenian_ci", false, 1, PadNone},
|
|
{197, "utf8", "utf8_polish_ci", false, 1, PadNone},
|
|
{198, "utf8", "utf8_estonian_ci", false, 1, PadNone},
|
|
{199, "utf8", "utf8_spanish_ci", false, 1, PadNone},
|
|
{200, "utf8", "utf8_swedish_ci", false, 1, PadNone},
|
|
{201, "utf8", "utf8_turkish_ci", false, 1, PadNone},
|
|
{202, "utf8", "utf8_czech_ci", false, 1, PadNone},
|
|
{203, "utf8", "utf8_danish_ci", false, 1, PadNone},
|
|
{204, "utf8", "utf8_lithuanian_ci", false, 1, PadNone},
|
|
{205, "utf8", "utf8_slovak_ci", false, 1, PadNone},
|
|
{206, "utf8", "utf8_spanish2_ci", false, 1, PadNone},
|
|
{207, "utf8", "utf8_roman_ci", false, 1, PadNone},
|
|
{208, "utf8", "utf8_persian_ci", false, 1, PadNone},
|
|
{209, "utf8", "utf8_esperanto_ci", false, 1, PadNone},
|
|
{210, "utf8", "utf8_hungarian_ci", false, 1, PadNone},
|
|
{211, "utf8", "utf8_sinhala_ci", false, 1, PadNone},
|
|
{212, "utf8", "utf8_german2_ci", false, 1, PadNone},
|
|
{213, "utf8", "utf8_croatian_ci", false, 1, PadNone},
|
|
{214, "utf8", "utf8_unicode_520_ci", false, 1, PadNone},
|
|
{215, "utf8", "utf8_vietnamese_ci", false, 1, PadNone},
|
|
{223, "utf8", "utf8_general_mysql500_ci", false, 1, PadNone},
|
|
{224, "utf8mb4", "utf8mb4_unicode_ci", false, 8, PadSpace},
|
|
{225, "utf8mb4", "utf8mb4_icelandic_ci", false, 1, PadSpace},
|
|
{226, "utf8mb4", "utf8mb4_latvian_ci", false, 1, PadSpace},
|
|
{227, "utf8mb4", "utf8mb4_romanian_ci", false, 1, PadSpace},
|
|
{228, "utf8mb4", "utf8mb4_slovenian_ci", false, 1, PadSpace},
|
|
{229, "utf8mb4", "utf8mb4_polish_ci", false, 1, PadSpace},
|
|
{230, "utf8mb4", "utf8mb4_estonian_ci", false, 1, PadSpace},
|
|
{231, "utf8mb4", "utf8mb4_spanish_ci", false, 1, PadSpace},
|
|
{232, "utf8mb4", "utf8mb4_swedish_ci", false, 1, PadSpace},
|
|
{233, "utf8mb4", "utf8mb4_turkish_ci", false, 1, PadSpace},
|
|
{234, "utf8mb4", "utf8mb4_czech_ci", false, 1, PadSpace},
|
|
{235, "utf8mb4", "utf8mb4_danish_ci", false, 1, PadSpace},
|
|
{236, "utf8mb4", "utf8mb4_lithuanian_ci", false, 1, PadSpace},
|
|
{237, "utf8mb4", "utf8mb4_slovak_ci", false, 1, PadSpace},
|
|
{238, "utf8mb4", "utf8mb4_spanish2_ci", false, 1, PadSpace},
|
|
{239, "utf8mb4", "utf8mb4_roman_ci", false, 1, PadSpace},
|
|
{240, "utf8mb4", "utf8mb4_persian_ci", false, 1, PadSpace},
|
|
{241, "utf8mb4", "utf8mb4_esperanto_ci", false, 1, PadSpace},
|
|
{242, "utf8mb4", "utf8mb4_hungarian_ci", false, 1, PadSpace},
|
|
{243, "utf8mb4", "utf8mb4_sinhala_ci", false, 1, PadSpace},
|
|
{244, "utf8mb4", "utf8mb4_german2_ci", false, 1, PadSpace},
|
|
{245, "utf8mb4", "utf8mb4_croatian_ci", false, 1, PadSpace},
|
|
{246, "utf8mb4", "utf8mb4_unicode_520_ci", false, 1, PadSpace},
|
|
{247, "utf8mb4", "utf8mb4_vietnamese_ci", false, 1, PadSpace},
|
|
{248, "gb18030", "gb18030_chinese_ci", false, 1, PadSpace},
|
|
{249, "gb18030", "gb18030_bin", true, 1, PadSpace},
|
|
{250, "gb18030", "gb18030_unicode_520_ci", false, 1, PadSpace},
|
|
{255, "utf8mb4", "utf8mb4_0900_ai_ci", false, 0, PadNone},
|
|
{256, "utf8mb4", "utf8mb4_de_pb_0900_ai_ci", false, 1, PadNone},
|
|
{257, "utf8mb4", "utf8mb4_is_0900_ai_ci", false, 1, PadNone},
|
|
{258, "utf8mb4", "utf8mb4_lv_0900_ai_ci", false, 1, PadNone},
|
|
{259, "utf8mb4", "utf8mb4_ro_0900_ai_ci", false, 1, PadNone},
|
|
{260, "utf8mb4", "utf8mb4_sl_0900_ai_ci", false, 1, PadNone},
|
|
{261, "utf8mb4", "utf8mb4_pl_0900_ai_ci", false, 1, PadNone},
|
|
{262, "utf8mb4", "utf8mb4_et_0900_ai_ci", false, 1, PadNone},
|
|
{263, "utf8mb4", "utf8mb4_es_0900_ai_ci", false, 1, PadNone},
|
|
{264, "utf8mb4", "utf8mb4_sv_0900_ai_ci", false, 1, PadNone},
|
|
{265, "utf8mb4", "utf8mb4_tr_0900_ai_ci", false, 1, PadNone},
|
|
{266, "utf8mb4", "utf8mb4_cs_0900_ai_ci", false, 1, PadNone},
|
|
{267, "utf8mb4", "utf8mb4_da_0900_ai_ci", false, 1, PadNone},
|
|
{268, "utf8mb4", "utf8mb4_lt_0900_ai_ci", false, 1, PadNone},
|
|
{269, "utf8mb4", "utf8mb4_sk_0900_ai_ci", false, 1, PadNone},
|
|
{270, "utf8mb4", "utf8mb4_es_trad_0900_ai_ci", false, 1, PadNone},
|
|
{271, "utf8mb4", "utf8mb4_la_0900_ai_ci", false, 1, PadNone},
|
|
{273, "utf8mb4", "utf8mb4_eo_0900_ai_ci", false, 1, PadNone},
|
|
{274, "utf8mb4", "utf8mb4_hu_0900_ai_ci", false, 1, PadNone},
|
|
{275, "utf8mb4", "utf8mb4_hr_0900_ai_ci", false, 1, PadNone},
|
|
{277, "utf8mb4", "utf8mb4_vi_0900_ai_ci", false, 1, PadNone},
|
|
{278, "utf8mb4", "utf8mb4_0900_as_cs", false, 1, PadNone},
|
|
{279, "utf8mb4", "utf8mb4_de_pb_0900_as_cs", false, 1, PadNone},
|
|
{280, "utf8mb4", "utf8mb4_is_0900_as_cs", false, 1, PadNone},
|
|
{281, "utf8mb4", "utf8mb4_lv_0900_as_cs", false, 1, PadNone},
|
|
{282, "utf8mb4", "utf8mb4_ro_0900_as_cs", false, 1, PadNone},
|
|
{283, "utf8mb4", "utf8mb4_sl_0900_as_cs", false, 1, PadNone},
|
|
{284, "utf8mb4", "utf8mb4_pl_0900_as_cs", false, 1, PadNone},
|
|
{285, "utf8mb4", "utf8mb4_et_0900_as_cs", false, 1, PadNone},
|
|
{286, "utf8mb4", "utf8mb4_es_0900_as_cs", false, 1, PadNone},
|
|
{287, "utf8mb4", "utf8mb4_sv_0900_as_cs", false, 1, PadNone},
|
|
{288, "utf8mb4", "utf8mb4_tr_0900_as_cs", false, 1, PadNone},
|
|
{289, "utf8mb4", "utf8mb4_cs_0900_as_cs", false, 1, PadNone},
|
|
{290, "utf8mb4", "utf8mb4_da_0900_as_cs", false, 1, PadNone},
|
|
{291, "utf8mb4", "utf8mb4_lt_0900_as_cs", false, 1, PadNone},
|
|
{292, "utf8mb4", "utf8mb4_sk_0900_as_cs", false, 1, PadNone},
|
|
{293, "utf8mb4", "utf8mb4_es_trad_0900_as_cs", false, 1, PadNone},
|
|
{294, "utf8mb4", "utf8mb4_la_0900_as_cs", false, 1, PadNone},
|
|
{296, "utf8mb4", "utf8mb4_eo_0900_as_cs", false, 1, PadNone},
|
|
{297, "utf8mb4", "utf8mb4_hu_0900_as_cs", false, 1, PadNone},
|
|
{298, "utf8mb4", "utf8mb4_hr_0900_as_cs", false, 1, PadNone},
|
|
{300, "utf8mb4", "utf8mb4_vi_0900_as_cs", false, 1, PadNone},
|
|
{303, "utf8mb4", "utf8mb4_ja_0900_as_cs", false, 1, PadNone},
|
|
{304, "utf8mb4", "utf8mb4_ja_0900_as_cs_ks", false, 1, PadNone},
|
|
{305, "utf8mb4", "utf8mb4_0900_as_ci", false, 1, PadNone},
|
|
{306, "utf8mb4", "utf8mb4_ru_0900_ai_ci", false, 1, PadNone},
|
|
{307, "utf8mb4", "utf8mb4_ru_0900_as_cs", false, 1, PadNone},
|
|
{308, "utf8mb4", "utf8mb4_zh_0900_as_cs", false, 1, PadNone},
|
|
{309, "utf8mb4", "utf8mb4_0900_bin", false, 1, PadNone},
|
|
{2048, "utf8mb4", "utf8mb4_zh_pinyin_tidb_as_cs", false, 1, PadNone},
|
|
}
|
|
|
|
// AddCharset adds a new charset.
|
|
// Use only when adding a custom charset to the parser.
|
|
func AddCharset(c *Charset) {
|
|
CharacterSetInfos[c.Name] = c
|
|
}
|
|
|
|
// RemoveCharset remove a charset.
|
|
// Use only when remove a custom charset to the parser.
|
|
func RemoveCharset(c string) {
|
|
delete(CharacterSetInfos, c)
|
|
for i := range supportedCollations {
|
|
if supportedCollations[i].Name == c {
|
|
supportedCollations = append(supportedCollations[:i], supportedCollations[i+1:]...)
|
|
}
|
|
}
|
|
}
|
|
|
|
// AddCollation adds a new collation.
|
|
// Use only when adding a custom collation to the parser.
|
|
func AddCollation(c *Collation) {
|
|
collationsIDMap[c.ID] = c
|
|
collationsNameMap[c.Name] = c
|
|
|
|
if _, ok := supportedCollationNames[c.Name]; ok {
|
|
AddSupportedCollation(c)
|
|
}
|
|
|
|
if charset, ok := CharacterSetInfos[c.CharsetName]; ok {
|
|
charset.Collations[c.Name] = c
|
|
}
|
|
|
|
if charset, ok := charsets[c.CharsetName]; ok {
|
|
charset.Collations[c.Name] = c
|
|
}
|
|
}
|
|
|
|
// AddSupportedCollation adds a new collation into supportedCollations.
|
|
// Use only when adding a custom collation to the parser.
|
|
func AddSupportedCollation(c *Collation) {
|
|
supportedCollations = append(supportedCollations, c)
|
|
}
|
|
|
|
// init method always puts to the end of file.
|
|
func init() {
|
|
for _, c := range collations {
|
|
AddCollation(c)
|
|
}
|
|
}
|