266 lines
8.5 KiB
Go
266 lines
8.5 KiB
Go
// Go MySQL Driver - A MySQL-Driver for Go's database/sql package
|
|
//
|
|
// Copyright 2014 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
|
|
|
|
const defaultCollation = "utf8mb4_general_ci"
|
|
const binaryCollation = "binary"
|
|
|
|
// A list of available collations mapped to the internal ID.
|
|
// To update this map use the following MySQL query:
|
|
// SELECT COLLATION_NAME, ID FROM information_schema.COLLATIONS WHERE ID<256 ORDER BY ID
|
|
//
|
|
// Handshake packet have only 1 byte for collation_id. So we can't use collations with ID > 255.
|
|
//
|
|
// ucs2, utf16, and utf32 can't be used for connection charset.
|
|
// https://dev.mysql.com/doc/refman/5.7/en/charset-connection.html#charset-connection-impermissible-client-charset
|
|
// They are commented out to reduce this map.
|
|
var collations = map[string]byte{
|
|
"big5_chinese_ci": 1,
|
|
"latin2_czech_cs": 2,
|
|
"dec8_swedish_ci": 3,
|
|
"cp850_general_ci": 4,
|
|
"latin1_german1_ci": 5,
|
|
"hp8_english_ci": 6,
|
|
"koi8r_general_ci": 7,
|
|
"latin1_swedish_ci": 8,
|
|
"latin2_general_ci": 9,
|
|
"swe7_swedish_ci": 10,
|
|
"ascii_general_ci": 11,
|
|
"ujis_japanese_ci": 12,
|
|
"sjis_japanese_ci": 13,
|
|
"cp1251_bulgarian_ci": 14,
|
|
"latin1_danish_ci": 15,
|
|
"hebrew_general_ci": 16,
|
|
"tis620_thai_ci": 18,
|
|
"euckr_korean_ci": 19,
|
|
"latin7_estonian_cs": 20,
|
|
"latin2_hungarian_ci": 21,
|
|
"koi8u_general_ci": 22,
|
|
"cp1251_ukrainian_ci": 23,
|
|
"gb2312_chinese_ci": 24,
|
|
"greek_general_ci": 25,
|
|
"cp1250_general_ci": 26,
|
|
"latin2_croatian_ci": 27,
|
|
"gbk_chinese_ci": 28,
|
|
"cp1257_lithuanian_ci": 29,
|
|
"latin5_turkish_ci": 30,
|
|
"latin1_german2_ci": 31,
|
|
"armscii8_general_ci": 32,
|
|
"utf8_general_ci": 33,
|
|
"cp1250_czech_cs": 34,
|
|
//"ucs2_general_ci": 35,
|
|
"cp866_general_ci": 36,
|
|
"keybcs2_general_ci": 37,
|
|
"macce_general_ci": 38,
|
|
"macroman_general_ci": 39,
|
|
"cp852_general_ci": 40,
|
|
"latin7_general_ci": 41,
|
|
"latin7_general_cs": 42,
|
|
"macce_bin": 43,
|
|
"cp1250_croatian_ci": 44,
|
|
"utf8mb4_general_ci": 45,
|
|
"utf8mb4_bin": 46,
|
|
"latin1_bin": 47,
|
|
"latin1_general_ci": 48,
|
|
"latin1_general_cs": 49,
|
|
"cp1251_bin": 50,
|
|
"cp1251_general_ci": 51,
|
|
"cp1251_general_cs": 52,
|
|
"macroman_bin": 53,
|
|
//"utf16_general_ci": 54,
|
|
//"utf16_bin": 55,
|
|
//"utf16le_general_ci": 56,
|
|
"cp1256_general_ci": 57,
|
|
"cp1257_bin": 58,
|
|
"cp1257_general_ci": 59,
|
|
//"utf32_general_ci": 60,
|
|
//"utf32_bin": 61,
|
|
//"utf16le_bin": 62,
|
|
"binary": 63,
|
|
"armscii8_bin": 64,
|
|
"ascii_bin": 65,
|
|
"cp1250_bin": 66,
|
|
"cp1256_bin": 67,
|
|
"cp866_bin": 68,
|
|
"dec8_bin": 69,
|
|
"greek_bin": 70,
|
|
"hebrew_bin": 71,
|
|
"hp8_bin": 72,
|
|
"keybcs2_bin": 73,
|
|
"koi8r_bin": 74,
|
|
"koi8u_bin": 75,
|
|
"utf8_tolower_ci": 76,
|
|
"latin2_bin": 77,
|
|
"latin5_bin": 78,
|
|
"latin7_bin": 79,
|
|
"cp850_bin": 80,
|
|
"cp852_bin": 81,
|
|
"swe7_bin": 82,
|
|
"utf8_bin": 83,
|
|
"big5_bin": 84,
|
|
"euckr_bin": 85,
|
|
"gb2312_bin": 86,
|
|
"gbk_bin": 87,
|
|
"sjis_bin": 88,
|
|
"tis620_bin": 89,
|
|
//"ucs2_bin": 90,
|
|
"ujis_bin": 91,
|
|
"geostd8_general_ci": 92,
|
|
"geostd8_bin": 93,
|
|
"latin1_spanish_ci": 94,
|
|
"cp932_japanese_ci": 95,
|
|
"cp932_bin": 96,
|
|
"eucjpms_japanese_ci": 97,
|
|
"eucjpms_bin": 98,
|
|
"cp1250_polish_ci": 99,
|
|
//"utf16_unicode_ci": 101,
|
|
//"utf16_icelandic_ci": 102,
|
|
//"utf16_latvian_ci": 103,
|
|
//"utf16_romanian_ci": 104,
|
|
//"utf16_slovenian_ci": 105,
|
|
//"utf16_polish_ci": 106,
|
|
//"utf16_estonian_ci": 107,
|
|
//"utf16_spanish_ci": 108,
|
|
//"utf16_swedish_ci": 109,
|
|
//"utf16_turkish_ci": 110,
|
|
//"utf16_czech_ci": 111,
|
|
//"utf16_danish_ci": 112,
|
|
//"utf16_lithuanian_ci": 113,
|
|
//"utf16_slovak_ci": 114,
|
|
//"utf16_spanish2_ci": 115,
|
|
//"utf16_roman_ci": 116,
|
|
//"utf16_persian_ci": 117,
|
|
//"utf16_esperanto_ci": 118,
|
|
//"utf16_hungarian_ci": 119,
|
|
//"utf16_sinhala_ci": 120,
|
|
//"utf16_german2_ci": 121,
|
|
//"utf16_croatian_ci": 122,
|
|
//"utf16_unicode_520_ci": 123,
|
|
//"utf16_vietnamese_ci": 124,
|
|
//"ucs2_unicode_ci": 128,
|
|
//"ucs2_icelandic_ci": 129,
|
|
//"ucs2_latvian_ci": 130,
|
|
//"ucs2_romanian_ci": 131,
|
|
//"ucs2_slovenian_ci": 132,
|
|
//"ucs2_polish_ci": 133,
|
|
//"ucs2_estonian_ci": 134,
|
|
//"ucs2_spanish_ci": 135,
|
|
//"ucs2_swedish_ci": 136,
|
|
//"ucs2_turkish_ci": 137,
|
|
//"ucs2_czech_ci": 138,
|
|
//"ucs2_danish_ci": 139,
|
|
//"ucs2_lithuanian_ci": 140,
|
|
//"ucs2_slovak_ci": 141,
|
|
//"ucs2_spanish2_ci": 142,
|
|
//"ucs2_roman_ci": 143,
|
|
//"ucs2_persian_ci": 144,
|
|
//"ucs2_esperanto_ci": 145,
|
|
//"ucs2_hungarian_ci": 146,
|
|
//"ucs2_sinhala_ci": 147,
|
|
//"ucs2_german2_ci": 148,
|
|
//"ucs2_croatian_ci": 149,
|
|
//"ucs2_unicode_520_ci": 150,
|
|
//"ucs2_vietnamese_ci": 151,
|
|
//"ucs2_general_mysql500_ci": 159,
|
|
//"utf32_unicode_ci": 160,
|
|
//"utf32_icelandic_ci": 161,
|
|
//"utf32_latvian_ci": 162,
|
|
//"utf32_romanian_ci": 163,
|
|
//"utf32_slovenian_ci": 164,
|
|
//"utf32_polish_ci": 165,
|
|
//"utf32_estonian_ci": 166,
|
|
//"utf32_spanish_ci": 167,
|
|
//"utf32_swedish_ci": 168,
|
|
//"utf32_turkish_ci": 169,
|
|
//"utf32_czech_ci": 170,
|
|
//"utf32_danish_ci": 171,
|
|
//"utf32_lithuanian_ci": 172,
|
|
//"utf32_slovak_ci": 173,
|
|
//"utf32_spanish2_ci": 174,
|
|
//"utf32_roman_ci": 175,
|
|
//"utf32_persian_ci": 176,
|
|
//"utf32_esperanto_ci": 177,
|
|
//"utf32_hungarian_ci": 178,
|
|
//"utf32_sinhala_ci": 179,
|
|
//"utf32_german2_ci": 180,
|
|
//"utf32_croatian_ci": 181,
|
|
//"utf32_unicode_520_ci": 182,
|
|
//"utf32_vietnamese_ci": 183,
|
|
"utf8_unicode_ci": 192,
|
|
"utf8_icelandic_ci": 193,
|
|
"utf8_latvian_ci": 194,
|
|
"utf8_romanian_ci": 195,
|
|
"utf8_slovenian_ci": 196,
|
|
"utf8_polish_ci": 197,
|
|
"utf8_estonian_ci": 198,
|
|
"utf8_spanish_ci": 199,
|
|
"utf8_swedish_ci": 200,
|
|
"utf8_turkish_ci": 201,
|
|
"utf8_czech_ci": 202,
|
|
"utf8_danish_ci": 203,
|
|
"utf8_lithuanian_ci": 204,
|
|
"utf8_slovak_ci": 205,
|
|
"utf8_spanish2_ci": 206,
|
|
"utf8_roman_ci": 207,
|
|
"utf8_persian_ci": 208,
|
|
"utf8_esperanto_ci": 209,
|
|
"utf8_hungarian_ci": 210,
|
|
"utf8_sinhala_ci": 211,
|
|
"utf8_german2_ci": 212,
|
|
"utf8_croatian_ci": 213,
|
|
"utf8_unicode_520_ci": 214,
|
|
"utf8_vietnamese_ci": 215,
|
|
"utf8_general_mysql500_ci": 223,
|
|
"utf8mb4_unicode_ci": 224,
|
|
"utf8mb4_icelandic_ci": 225,
|
|
"utf8mb4_latvian_ci": 226,
|
|
"utf8mb4_romanian_ci": 227,
|
|
"utf8mb4_slovenian_ci": 228,
|
|
"utf8mb4_polish_ci": 229,
|
|
"utf8mb4_estonian_ci": 230,
|
|
"utf8mb4_spanish_ci": 231,
|
|
"utf8mb4_swedish_ci": 232,
|
|
"utf8mb4_turkish_ci": 233,
|
|
"utf8mb4_czech_ci": 234,
|
|
"utf8mb4_danish_ci": 235,
|
|
"utf8mb4_lithuanian_ci": 236,
|
|
"utf8mb4_slovak_ci": 237,
|
|
"utf8mb4_spanish2_ci": 238,
|
|
"utf8mb4_roman_ci": 239,
|
|
"utf8mb4_persian_ci": 240,
|
|
"utf8mb4_esperanto_ci": 241,
|
|
"utf8mb4_hungarian_ci": 242,
|
|
"utf8mb4_sinhala_ci": 243,
|
|
"utf8mb4_german2_ci": 244,
|
|
"utf8mb4_croatian_ci": 245,
|
|
"utf8mb4_unicode_520_ci": 246,
|
|
"utf8mb4_vietnamese_ci": 247,
|
|
"gb18030_chinese_ci": 248,
|
|
"gb18030_bin": 249,
|
|
"gb18030_unicode_520_ci": 250,
|
|
"utf8mb4_0900_ai_ci": 255,
|
|
}
|
|
|
|
// A blacklist of collations which is unsafe to interpolate parameters.
|
|
// These multibyte encodings may contains 0x5c (`\`) in their trailing bytes.
|
|
var unsafeCollations = map[string]bool{
|
|
"big5_chinese_ci": true,
|
|
"sjis_japanese_ci": true,
|
|
"gbk_chinese_ci": true,
|
|
"big5_bin": true,
|
|
"gb2312_bin": true,
|
|
"gbk_bin": true,
|
|
"sjis_bin": true,
|
|
"cp932_japanese_ci": true,
|
|
"cp932_bin": true,
|
|
"gb18030_chinese_ci": true,
|
|
"gb18030_bin": true,
|
|
"gb18030_unicode_520_ci": true,
|
|
}
|